<?php
/* Copyright (C) 2026      Eduard Wisch    <data@data-it-solution.de>
 *
 * Stundenzettel - Auftrags-Integration
 * Zeigt Produktliste aus Auftrag mit Übernahme-Möglichkeit
 */

// Load Dolibarr environment
$res = 0;
if (!$res && file_exists("../main.inc.php")) $res = @include "../main.inc.php";
if (!$res && file_exists("../../main.inc.php")) $res = @include "../../main.inc.php";
if (!$res && file_exists("../../../main.inc.php")) $res = @include "../../../main.inc.php";
if (!$res) die("Include of main fails");

require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/order.lib.php';
require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
dol_include_once('/stundenzettel/class/stundenzettel.class.php');
dol_include_once('/stundenzettel/lib/stundenzettel.lib.php');

// Load translation files
$langs->loadLangs(array("stundenzettel@stundenzettel", "orders", "products"));

/**
 * Formatiert Mengen: Ganzzahlen ohne Dezimalstellen, sonst max. 2 Stellen
 * @param float $qty Menge
 * @return string Formatierte Menge
 */
function formatQty($qty) {
    $qty = (float)$qty;
    if ($qty == floor($qty)) {
        return number_format($qty, 0, ',', '.');
    }
    // Runde auf 2 Stellen und entferne trailing zeros
    $formatted = rtrim(rtrim(number_format($qty, 2, ',', '.'), '0'), ',');
    return $formatted;
}

// Get parameters
$id = GETPOST('id', 'int');
$action = GETPOST('action', 'aZ09');
$tab = GETPOST('tab', 'aZ09') ?: 'products';
$stundenzettel_id = GETPOST('stundenzettel_id', 'int');
$defaultFilter = getDolGlobalString('STUNDENZETTEL_DEFAULT_FILTER', 'open');
$filter = GETPOST('filter', 'alpha') ?: $defaultFilter; // Filter: all, open, done

// Security check
if (!$user->hasRight('stundenzettel', 'read')) {
    accessforbidden();
}

// Load order
$order = new Commande($db);
if ($order->fetch($id) <= 0) {
    dol_print_error($db, 'Order not found');
    exit;
}

// Berechtigung: Nur zugewiesener Benutzer oder Admin
$canAccess = ($order->fk_user_author == $user->id || $user->admin || $user->hasRight('commande', 'lire'));
if (!$canAccess) {
    accessforbidden('You are not assigned to this order');
}

// Auto-Redirect: Wenn ein aktiver Stundenzettel für heute existiert, dorthin weiterleiten
// Nur bei erstem Aufruf
$noRedirect = GETPOST('noredirect', 'int');
if (!$noRedirect && empty($action)) {
    // Suche nach offenem Stundenzettel für diesen Auftrag (heute oder generell offen)
    $sql = "SELECT rowid FROM ".MAIN_DB_PREFIX."stundenzettel";
    $sql .= " WHERE fk_commande = ".((int)$order->id);
    $sql .= " AND status = 0"; // Nur Entwürfe
    $sql .= " ORDER BY date_stundenzettel DESC, rowid DESC";
    $sql .= " LIMIT 1";

    $resql = $db->query($sql);
    if ($resql && $db->num_rows($resql) > 0) {
        $obj = $db->fetch_object($resql);
        // Weiterleitung zum gefundenen Stundenzettel
        header('Location: '.dol_buildpath('/stundenzettel/card.php?id='.$obj->rowid.'&tab=products', 1));
        exit;
    }
    // Kein Stundenzettel vorhanden - bleibe auf dieser Seite um einen zu erstellen
}

/*
 * Actions
 */

// Produkte auf Stundenzettel übernehmen
if ($action == 'transfer_products' && $user->hasRight('stundenzettel', 'write')) {
    // Prüfe ob Auftrag freigegeben ist
    $order->fetch_optionals();
    $stzStatus = isset($order->array_options['options_stundenzettel_status']) ? (int)$order->array_options['options_stundenzettel_status'] : 0;
    if ($stzStatus >= 1) {
        setEventMessages($langs->trans('ErrorStundenzettelReleased'), null, 'errors');
        header('Location: '.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1');
        exit;
    }

    $selected = GETPOST('selected', 'array');
    $selected_mehraufwand = GETPOST('selected_mehraufwand', 'array');
    $date_stundenzettel = GETPOST('date_stundenzettel', 'alpha');
    $target_stundenzettel_id = GETPOST('stundenzettel_id', 'int'); // Vorausgewählter Stundenzettel

    // Prüfe ob mindestens etwas ausgewählt wurde
    if (empty($selected) && empty($selected_mehraufwand)) {
        setEventMessages($langs->trans('NoProductsSelected'), null, 'errors');
    } else {
        // Wenn nur Mehraufwand ausgewählt, $selected als leeres Array initialisieren
        if (empty($selected)) {
            $selected = array();
        }

        // Mehraufwand-Zeilen werden direkt übernommen (ohne Bestätigungs-Dialog)

        // Produkte werden direkt übernommen (ohne Bestätigungs-Dialoge)
        $stundenzettel = new Stundenzettel($db);
        $use_stundenzettel_id = 0;
        $forceNewStundenzettel = GETPOST('force_new_stundenzettel', 'int');

        // Wenn ein Stundenzettel vorgegeben wurde, prüfen ob er von heute ist
        if ($target_stundenzettel_id > 0 && !$forceNewStundenzettel) {
            if ($stundenzettel->fetch($target_stundenzettel_id) > 0) {
                // Prüfe ob der Stundenzettel von heute ist
                $stzDateStr = date('Y-m-d', $stundenzettel->date_stundenzettel);
                $todayStr = date('Y-m-d');
                if ($stzDateStr == $todayStr) {
                    // Stundenzettel ist von heute - verwenden
                    $use_stundenzettel_id = $target_stundenzettel_id;
                }
                // Sonst: neuen für heute erstellen (weiter unten)
            }
        }

        // Wenn kein passender Stundenzettel, nach Datum suchen oder neu erstellen
        if ($use_stundenzettel_id <= 0) {
            // Bei force_new oder wenn Stundenzettel von anderem Tag: heutiges Datum verwenden
            $date = ($forceNewStundenzettel || !$date_stundenzettel) ? dol_now() : $date_stundenzettel;

            // Existierenden Stundenzettel für diesen Tag suchen oder neuen erstellen
            $sql = "SELECT rowid FROM ".MAIN_DB_PREFIX."stundenzettel";
            $sql .= " WHERE fk_commande = ".((int)$order->id);
            $sql .= " AND date_stundenzettel = '".$db->idate($date)."'";
            $sql .= " AND status = 0"; // Nur Entwürfe

            $resql = $db->query($sql);
            if ($resql && $db->num_rows($resql) > 0) {
                $obj = $db->fetch_object($resql);
                $use_stundenzettel_id = $obj->rowid;
                $stundenzettel->fetch($use_stundenzettel_id);
            } else {
                // Neuen erstellen
                $stundenzettel->fk_commande = $order->id;
                $stundenzettel->fk_soc = $order->socid;
                $stundenzettel->date_stundenzettel = $date;
                $use_stundenzettel_id = $stundenzettel->create($user);
            }
        }

        if ($use_stundenzettel_id > 0) {
            // Produkte hinzufügen
            foreach ($selected as $line_id) {
                // Hole Zeile aus commandedet
                $sql = "SELECT cd.rowid, cd.fk_product, cd.qty, cd.description,";
                $sql .= " p.ref as product_ref, p.label as product_label";
                $sql .= " FROM ".MAIN_DB_PREFIX."commandedet as cd";
                $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."product as p ON p.rowid = cd.fk_product";
                $sql .= " WHERE cd.rowid = ".((int)$line_id);

                $resql = $db->query($sql);
                if ($resql && ($obj = $db->fetch_object($resql))) {
                    // Prüfe ob schon auf diesem Stundenzettel
                    $sql2 = "SELECT rowid FROM ".MAIN_DB_PREFIX."stundenzettel_product";
                    $sql2 .= " WHERE fk_stundenzettel = ".((int)$use_stundenzettel_id);
                    $sql2 .= " AND fk_commandedet = ".((int)$line_id);
                    $resql2 = $db->query($sql2);
                    if ($resql2 && $db->num_rows($resql2) == 0) {
                        // Noch nicht vorhanden, hinzufügen
                        $stundenzettel->addProduct(
                            $obj->fk_product,
                            $obj->rowid,
                            null,
                            $obj->qty,
                            0,
                            'order',
                            $obj->description  // Beschreibung für Freitext-Produkte
                        );
                    }
                }
            }

            // Mehraufwand-Produkte in Produktliste übernehmen (falls ausgewählt)
            // Erstellt eine neue Produktzeile (origin='added') im Ziel-Stundenzettel
            if (!empty($selected_mehraufwand)) {
                foreach ($selected_mehraufwand as $ma_ids) {
                    // $ma_ids kann mehrere IDs enthalten (kommasepariert)
                    $ids = explode(',', $ma_ids);
                    foreach ($ids as $sp_id) {
                        $sp_id = (int)$sp_id;
                        if ($sp_id <= 0) continue;

                        // Produktinfo aus der Mehraufwand-Zeile holen
                        $sqlMa = "SELECT sp.fk_product, sp.product_ref, sp.product_label, sp.description, sp.qty_done";
                        $sqlMa .= " FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
                        $sqlMa .= " WHERE sp.rowid = ".((int)$sp_id);
                        $resqlMa = $db->query($sqlMa);

                        if ($resqlMa && ($objMa = $db->fetch_object($resqlMa))) {
                            $qty = max(1, (float)$objMa->qty_done);  // Mindestens 1

                            // Prüfe ob Produkt schon auf diesem Stundenzettel (in Produktliste) existiert
                            $sqlCheck = "SELECT rowid, qty_done FROM ".MAIN_DB_PREFIX."stundenzettel_product";
                            $sqlCheck .= " WHERE fk_stundenzettel = ".((int)$use_stundenzettel_id);
                            $sqlCheck .= " AND origin = 'added'";
                            if ($objMa->fk_product > 0) {
                                $sqlCheck .= " AND fk_product = ".((int)$objMa->fk_product);
                            } else {
                                $sqlCheck .= " AND fk_product IS NULL AND description = '".$db->escape($objMa->description)."'";
                            }
                            $resqlCheck = $db->query($sqlCheck);

                            if ($resqlCheck && $db->num_rows($resqlCheck) > 0) {
                                // Existiert bereits - Menge erhöhen
                                $objExist = $db->fetch_object($resqlCheck);
                                $newQty = (float)$objExist->qty_done + $qty;
                                $sqlUpd = "UPDATE ".MAIN_DB_PREFIX."stundenzettel_product";
                                $sqlUpd .= " SET qty_done = ".$newQty;
                                $sqlUpd .= " WHERE rowid = ".((int)$objExist->rowid);
                                $db->query($sqlUpd);
                            } else {
                                // Neu als Produktzeile anlegen (origin='added')
                                $stundenzettel->addProduct(
                                    $objMa->fk_product,
                                    null,  // kein fk_commandedet (nicht im Auftrag)
                                    null,  // qty_original
                                    0,     // qty_ordered
                                    $qty,  // qty_done
                                    'added',  // origin = in Produktliste hinzugefügt
                                    $objMa->description
                                );
                            }
                        }
                    }
                }
            }

            setEventMessages($langs->trans('ProductsTransferred'), null, 'mesgs');
            header('Location: '.dol_buildpath('/stundenzettel/card.php?id='.$use_stundenzettel_id.'&tab=products', 1));
            exit;
        } else {
            setEventMessages($langs->trans('ErrorCreatingStundenzettel'), null, 'errors');
        }
    }
}

// Notiz abhaken (von stundenzettel_commande aus)
if ($action == 'toggle_note' && $user->hasRight('stundenzettel', 'write')) {
    $note_id = GETPOST('note_id', 'int');
    $checked = GETPOST('checked', 'int');
    $stz_id = GETPOST('stundenzettel_id', 'int');

    if ($stz_id > 0) {
        $stzObj = new Stundenzettel($db);
        if ($stzObj->fetch($stz_id) > 0) {
            $result = $stzObj->updateNoteStatus($note_id, $checked);
            if ($result > 0) {
                setEventMessages($langs->trans('RecordModified'), null, 'mesgs');
            }
        }
    }
    header('Location: '.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1'.($stundenzettel_id > 0 ? '&stundenzettel_id='.$stundenzettel_id : ''));
    exit;
}

// Stundenzettel für Auftrag freigeben (direkt oder nach Bestätigung)
// Berechtigung: write ist ausreichend (validate ist optional)
$canRelease = $user->hasRight('stundenzettel', 'write') || $user->hasRight('stundenzettel', 'validate') || $user->admin;

$doRelease = false;
if ($action == 'release_stundenzettel' && $canRelease) {
    $doRelease = true;
}
if ($action == 'release_stundenzettel_confirmed' && GETPOST('confirm', 'alpha') == 'yes' && $canRelease) {
    $doRelease = true;
}
// Auch confirm_release akzeptieren (Fallback)
if ($action == 'confirm_release' && GETPOST('confirm', 'alpha') == 'yes' && $canRelease) {
    $doRelease = true;
}

if ($doRelease) {
    // Direkt in Datenbank updaten (zuverlässiger als insertExtraFields)
    $sql = "UPDATE ".MAIN_DB_PREFIX."commande_extrafields SET stundenzettel_status = 1 WHERE fk_object = ".((int)$order->id);
    $resql = $db->query($sql);

    if ($resql) {
        // Falls noch kein Eintrag existiert, einen erstellen
        if ($db->affected_rows($resql) == 0) {
            $sql2 = "INSERT INTO ".MAIN_DB_PREFIX."commande_extrafields (fk_object, stundenzettel_status) VALUES (".((int)$order->id).", 1)";
            $db->query($sql2);
        }
        setEventMessages($langs->trans('StundenzettelReleased'), null, 'mesgs');
    } else {
        setEventMessages($db->lasterror(), null, 'errors');
    }
    header('Location: '.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&filter='.$filter);
    exit;
}

// Stundenzettel für Auftrag wiedereröffnen
$canReopen = $user->hasRight('stundenzettel', 'write') || $user->hasRight('stundenzettel', 'validate') || $user->admin;
if ($action == 'reopen_stundenzettel' && $canReopen) {
    // Direkt in Datenbank updaten (zuverlässiger als insertExtraFields)
    $sql = "UPDATE ".MAIN_DB_PREFIX."commande_extrafields SET stundenzettel_status = 0 WHERE fk_object = ".((int)$order->id);
    $resql = $db->query($sql);

    if ($resql) {
        // Falls noch kein Eintrag existiert, einen erstellen
        if ($db->affected_rows($resql) == 0) {
            $sql2 = "INSERT INTO ".MAIN_DB_PREFIX."commande_extrafields (fk_object, stundenzettel_status) VALUES (".((int)$order->id).", 0)";
            $db->query($sql2);
        }
        setEventMessages($langs->trans('StundenzettelReopened'), null, 'mesgs');
    } else {
        setEventMessages($db->lasterror(), null, 'errors');
    }
    header('Location: '.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&filter='.$filter);
    exit;
}

// Stundenzettel komplett zurücksetzen (von Status 2 auf 0)
$canReset = $user->hasRight('stundenzettel', 'write') || $user->admin;
if ($action == 'reset_stundenzettel' && $canReset) {
    // Direkt in Datenbank updaten (zuverlässiger als insertExtraFields)
    $sql = "UPDATE ".MAIN_DB_PREFIX."commande_extrafields SET stundenzettel_status = 0 WHERE fk_object = ".((int)$order->id);
    $resql = $db->query($sql);

    if ($resql) {
        // Falls noch kein Eintrag existiert, einen erstellen
        if ($db->affected_rows($resql) == 0) {
            $sql2 = "INSERT INTO ".MAIN_DB_PREFIX."commande_extrafields (fk_object, stundenzettel_status) VALUES (".((int)$order->id).", 0)";
            $db->query($sql2);
        }
        setEventMessages($langs->trans('StundenzettelReset'), null, 'mesgs');
    } else {
        setEventMessages($db->lasterror(), null, 'errors');
    }
    header('Location: '.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&filter='.$filter);
    exit;
}

// In Rechnung übernehmen
if ($action == 'confirm_transfer_invoice' && GETPOST('confirm', 'alpha') == 'yes' && $user->hasRight('facture', 'creer')) {
    require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';

    $db->begin();
    $error = 0;

    // Neue Rechnung erstellen
    $facture = new Facture($db);
    $facture->socid = $order->socid;
    $facture->type = Facture::TYPE_STANDARD;
    $facture->date = dol_now();
    $facture->fk_project = $order->fk_project;
    $facture->cond_reglement_id = $order->cond_reglement_id;
    $facture->mode_reglement_id = $order->mode_reglement_id;
    $facture->note_private = $langs->trans('CreatedFromStundenzettel').' - '.$order->ref;
    $facture->linked_objects['commande'] = $order->id;

    $facture_id = $facture->create($user);

    if ($facture_id > 0) {
        // Sammle alle Produkt-Mengen aus Stundenzetteln (gruppiert nach fk_commandedet)
        $productQtys = array();
        $sqlQty = "SELECT sp.fk_commandedet, SUM(sp.qty_done) as total_qty";
        $sqlQty .= " FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
        $sqlQty .= " INNER JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
        $sqlQty .= " WHERE s.fk_commande = ".((int)$order->id);
        $sqlQty .= " AND sp.origin IN ('order', 'added')";
        $sqlQty .= " AND sp.fk_commandedet IS NOT NULL";
        $sqlQty .= " GROUP BY sp.fk_commandedet";

        $resqlQty = $db->query($sqlQty);
        if ($resqlQty) {
            while ($objQty = $db->fetch_object($resqlQty)) {
                $productQtys[$objQty->fk_commandedet] = floatval($objQty->total_qty);
            }
        }

        // Sammle Mehraufwand (zusätzliche Produkte mit origin = 'additional')
        $additionalProducts = array();
        $sqlAdd = "SELECT sp.fk_product, sp.product_label, sp.description, SUM(sp.qty_done) as total_qty";
        $sqlAdd .= " FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
        $sqlAdd .= " INNER JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
        $sqlAdd .= " WHERE s.fk_commande = ".((int)$order->id);
        $sqlAdd .= " AND sp.origin = 'additional'";
        $sqlAdd .= " GROUP BY sp.fk_product, sp.product_label, sp.description";

        $resqlAdd = $db->query($sqlAdd);
        if ($resqlAdd) {
            while ($objAdd = $db->fetch_object($resqlAdd)) {
                if (floatval($objAdd->total_qty) > 0) {
                    $additionalProducts[] = $objAdd;
                }
            }
        }

        // Lade Section-Hierarchie aus llx_facture_lines_manager
        $sqlManager = "SELECT m.rowid, m.line_type, m.fk_commandedet, m.title, m.parent_section, m.line_order, m.show_subtotal,";
        $sqlManager .= " cd.fk_product, cd.qty as qty_ordered, cd.subprice, cd.tva_tx, cd.remise_percent,";
        $sqlManager .= " cd.description, cd.product_type, cd.special_code, cd.fk_unit,";
        $sqlManager .= " p.ref as product_ref, p.label as product_label";
        $sqlManager .= " FROM ".MAIN_DB_PREFIX."facture_lines_manager m";
        $sqlManager .= " LEFT JOIN ".MAIN_DB_PREFIX."commandedet cd ON cd.rowid = m.fk_commandedet";
        $sqlManager .= " LEFT JOIN ".MAIN_DB_PREFIX."product p ON p.rowid = cd.fk_product";
        $sqlManager .= " WHERE m.fk_commande = ".((int)$order->id);
        $sqlManager .= " AND m.document_type = 'order'";
        $sqlManager .= " ORDER BY m.line_order";

        $resqlManager = $db->query($sqlManager);

        if ($resqlManager) {
            // Sammle alle Zeilen nach Parent-Section gruppiert
            $sections = array();       // section_id => section data
            $sectionProducts = array(); // section_id => array of products
            $orphanProducts = array();  // Products without section

            while ($obj = $db->fetch_object($resqlManager)) {
                if ($obj->line_type == 'section') {
                    $sections[$obj->rowid] = $obj;
                    if (!isset($sectionProducts[$obj->rowid])) {
                        $sectionProducts[$obj->rowid] = array();
                    }
                } elseif ($obj->line_type == 'product') {
                    $parentId = $obj->parent_section ? $obj->parent_section : 0;
                    if ($parentId > 0) {
                        if (!isset($sectionProducts[$parentId])) {
                            $sectionProducts[$parentId] = array();
                        }
                        $sectionProducts[$parentId][] = $obj;
                    } else {
                        $orphanProducts[] = $obj;
                    }
                }
                // subtotal wird automatisch nach Section hinzugefügt wenn show_subtotal=1
            }

            $rang = 0;
            $invoiceManagerLines = array(); // Für llx_facture_lines_manager der Rechnung

            // Verarbeite jede Section
            foreach ($sections as $sectionId => $section) {
                $products = isset($sectionProducts[$sectionId]) ? $sectionProducts[$sectionId] : array();
                $sectionHasInvoicedProducts = false;
                $sectionSubtotal = 0;

                // Prüfe ob Section Produkte mit qty > 0 hat
                foreach ($products as $prod) {
                    $qtyToInvoice = isset($productQtys[$prod->fk_commandedet]) ? $productQtys[$prod->fk_commandedet] : 0;
                    if ($qtyToInvoice > 0) {
                        $sectionHasInvoicedProducts = true;
                        break;
                    }
                }

                // Nur Sections mit tatsächlich verwendeten Produkten hinzufügen
                if ($sectionHasInvoicedProducts) {
                    // Section-Titel hinzufügen (special_code = 100)
                    $result = $facture->addline(
                        $section->title,
                        0, // subprice
                        0, // qty
                        0, // tva_tx
                        0, 0, // localtax
                        0, // fk_product
                        0, // remise_percent
                        '', '', // dates
                        0, 0, '', 'HT', 0,
                        9, // product_type (9 = Title)
                        $rang++,
                        100, // special_code = 100 für Section
                        0, '', 0, 0
                    );

                    if ($result > 0) {
                        $invoiceManagerLines[] = array(
                            'type' => 'section',
                            'fk_facturedet' => $result,
                            'title' => $section->title,
                            'parent' => null
                        );
                        $currentSectionDetId = $result;
                    }

                    // Produkte der Section hinzufügen
                    foreach ($products as $prod) {
                        $qtyToInvoice = isset($productQtys[$prod->fk_commandedet]) ? $productQtys[$prod->fk_commandedet] : 0;

                        if ($qtyToInvoice > 0) {
                            $result = $facture->addline(
                                $prod->description,        // 1: desc
                                $prod->subprice,           // 2: pu_ht
                                $qtyToInvoice,             // 3: qty
                                $prod->tva_tx,             // 4: txtva
                                0,                         // 5: txlocaltax1
                                0,                         // 6: txlocaltax2
                                $prod->fk_product,         // 7: fk_product
                                $prod->remise_percent,     // 8: remise_percent
                                '',                        // 9: date_start
                                '',                        // 10: date_end
                                0,                         // 11: fk_code_ventilation
                                0,                         // 12: info_bits
                                0,                         // 13: fk_remise_except
                                'HT',                      // 14: price_base_type
                                0,                         // 15: pu_ttc
                                $prod->product_type,       // 16: type
                                $rang++,                   // 17: rang
                                0,                         // 18: special_code
                                '',                        // 19: origin
                                0,                         // 20: origin_id
                                0,                         // 21: fk_parent_line
                                null,                      // 22: fk_fournprice
                                0,                         // 23: pa_ht
                                '',                        // 24: label
                                array(),                   // 25: array_options
                                100,                       // 26: situation_percent
                                0,                         // 27: fk_prev_id
                                $prod->fk_unit             // 28: fk_unit
                            );

                            if ($result > 0) {
                                $invoiceManagerLines[] = array(
                                    'type' => 'product',
                                    'fk_facturedet' => $result,
                                    'title' => null,
                                    'parent' => $currentSectionDetId
                                );
                                $sectionSubtotal += $prod->subprice * $qtyToInvoice;
                            } elseif ($result < 0) {
                                $error++;
                                setEventMessages($facture->error, $facture->errors, 'errors');
                            }
                        }
                    }

                    // Zwischensumme hinzufügen wenn Section show_subtotal hat
                    if ($section->show_subtotal && $sectionSubtotal > 0) {
                        $subtotalLabel = 'Zwischensumme: '.$section->title;
                        $result = $facture->addline(
                            $subtotalLabel,
                            0, // wird automatisch berechnet
                            1, // qty
                            0, // tva_tx
                            0, 0, // localtax
                            0, // fk_product
                            0, // remise_percent
                            '', '', // dates
                            0, 0, '', 'HT', 0,
                            9, // product_type
                            $rang++,
                            102, // special_code = 102 für Subtotal
                            0, '', 0, 0
                        );

                        if ($result > 0) {
                            $invoiceManagerLines[] = array(
                                'type' => 'subtotal',
                                'fk_facturedet' => $result,
                                'title' => $subtotalLabel,
                                'parent' => $currentSectionDetId
                            );
                        }
                    }
                }
            }

            // Prüfe ob im Auftrag überhaupt Sections vorhanden sind
            $orderHasSections = (count($sections) > 0);

            // Orphan-Produkte (ohne Section) hinzufügen
            // Nur als eigene Section "Sonstige Produkte" wenn im Auftrag Sections vorhanden sind
            $hasOrphansWithQty = false;
            foreach ($orphanProducts as $prod) {
                $qtyToInvoice = isset($productQtys[$prod->fk_commandedet]) ? $productQtys[$prod->fk_commandedet] : 0;
                if ($qtyToInvoice > 0) {
                    $hasOrphansWithQty = true;
                    break;
                }
            }

            if ($hasOrphansWithQty) {
                $sonstigeSectionResult = 0;

                // Nur Section erstellen wenn im Auftrag auch Sections vorhanden sind
                if ($orderHasSections) {
                    $sonstigeSectionResult = $facture->addline(
                        $langs->trans('OtherProducts'),
                        0, 0, 0, 0, 0, 0, 0, '', '', 0, 0, '', 'HT', 0,
                        9, // product_type für Titel
                        $rang++,
                        100 // special_code = 100 für Section
                    );

                    if ($sonstigeSectionResult > 0) {
                        $invoiceManagerLines[] = array(
                            'type' => 'section',
                            'fk_facturedet' => $sonstigeSectionResult,
                            'title' => $langs->trans('OtherProducts'),
                            'parent' => null
                        );
                    }
                }

                foreach ($orphanProducts as $prod) {
                    $qtyToInvoice = isset($productQtys[$prod->fk_commandedet]) ? $productQtys[$prod->fk_commandedet] : 0;

                    if ($qtyToInvoice > 0) {
                        $result = $facture->addline(
                            $prod->description,        // 1: desc
                            $prod->subprice,           // 2: pu_ht
                            $qtyToInvoice,             // 3: qty
                            $prod->tva_tx,             // 4: txtva
                            0,                         // 5: txlocaltax1
                            0,                         // 6: txlocaltax2
                            $prod->fk_product,         // 7: fk_product
                            $prod->remise_percent,     // 8: remise_percent
                            '',                        // 9: date_start
                            '',                        // 10: date_end
                            0,                         // 11: fk_code_ventilation
                            0,                         // 12: info_bits
                            0,                         // 13: fk_remise_except
                            'HT',                      // 14: price_base_type
                            0,                         // 15: pu_ttc
                            $prod->product_type,       // 16: type
                            $rang++,                   // 17: rang
                            0,                         // 18: special_code
                            '',                        // 19: origin
                            0,                         // 20: origin_id
                            0,                         // 21: fk_parent_line
                            null,                      // 22: fk_fournprice
                            0,                         // 23: pa_ht
                            '',                        // 24: label
                            array(),                   // 25: array_options
                            100,                       // 26: situation_percent
                            0,                         // 27: fk_prev_id
                            $prod->fk_unit             // 28: fk_unit
                        );

                        if ($result > 0 && $orderHasSections && $sonstigeSectionResult > 0) {
                            $invoiceManagerLines[] = array(
                                'type' => 'product',
                                'fk_facturedet' => $result,
                                'title' => null,
                                'parent' => $sonstigeSectionResult
                            );
                        } elseif ($result < 0) {
                            $error++;
                            setEventMessages($facture->error, $facture->errors, 'errors');
                        }
                    }
                }

                // Zwischensumme für Sonstige Produkte
                if ($sonstigeSectionResult > 0) {
                    $subtotalLabel = 'Zwischensumme: '.$langs->trans('OtherProducts');
                    $subtotalResult = $facture->addline(
                        $subtotalLabel,
                        0, 1, 0, 0, 0, 0, 0, '', '', 0, 0, '', 'HT', 0,
                        9, $rang++, 102, 0, '', 0, 0
                    );
                    if ($subtotalResult > 0) {
                        $invoiceManagerLines[] = array(
                            'type' => 'subtotal',
                            'fk_facturedet' => $subtotalResult,
                            'title' => $subtotalLabel,
                            'parent' => $sonstigeSectionResult
                        );
                    }
                }
            }

            // Mehraufwand hinzufügen (am Ende)
            // Nur als Section wenn im Auftrag auch Sections vorhanden sind
            if (count($additionalProducts) > 0) {
                $mehraufwandSectionResult = 0;

                // Nur Section erstellen wenn im Auftrag auch Sections vorhanden sind
                if ($orderHasSections) {
                    $mehraufwandSectionResult = $facture->addline(
                        $langs->trans('Mehraufwand'),
                        0, 0, 0, 0, 0, 0, 0, '', '', 0, 0, '', 'HT', 0,
                        9, // product_type für Titel
                        $rang++,
                        100 // special_code = 100 für Section
                    );

                    if ($mehraufwandSectionResult > 0) {
                        $invoiceManagerLines[] = array(
                            'type' => 'section',
                            'fk_facturedet' => $mehraufwandSectionResult,
                            'title' => $langs->trans('Mehraufwand'),
                            'parent' => null
                        );
                    }
                }

                foreach ($additionalProducts as $addProd) {
                    $productResult = 0;
                    if ($addProd->fk_product > 0) {
                        // Katalog-Produkt
                        $product = new Product($db);
                        $product->fetch($addProd->fk_product);

                        // Kundenspezifischen Preis holen (falls vorhanden)
                        $customerPriceInfo = getCustomerPrice($db, $addProd->fk_product, $order->socid, $product);
                        $usePrice = $customerPriceInfo['price'];
                        $useTvaTx = $customerPriceInfo['tva_tx'];

                        $productResult = $facture->addline(
                            $product->label,           // 1: desc
                            $usePrice,                 // 2: pu_ht - kundenspezifischer Preis
                            $addProd->total_qty,       // 3: qty
                            $useTvaTx,                 // 4: txtva - kundenspezifischer MwSt-Satz
                            0,                         // 5: txlocaltax1
                            0,                         // 6: txlocaltax2
                            $addProd->fk_product,      // 7: fk_product
                            0,                         // 8: remise_percent
                            '',                        // 9: date_start
                            '',                        // 10: date_end
                            0,                         // 11: fk_code_ventilation
                            0,                         // 12: info_bits
                            0,                         // 13: fk_remise_except
                            'HT',                      // 14: price_base_type
                            0,                         // 15: pu_ttc
                            $product->type,            // 16: type
                            $rang++,                   // 17: rang
                            0,                         // 18: special_code
                            '',                        // 19: origin
                            0,                         // 20: origin_id
                            0,                         // 21: fk_parent_line
                            null,                      // 22: fk_fournprice
                            0,                         // 23: pa_ht
                            '',                        // 24: label
                            array(),                   // 25: array_options
                            100,                       // 26: situation_percent
                            0,                         // 27: fk_prev_id
                            $product->fk_unit          // 28: fk_unit
                        );
                    } else {
                        // Freitext
                        $productResult = $facture->addline(
                            $addProd->description ? $addProd->description : $addProd->product_label,
                            0,                         // 2: pu_ht
                            $addProd->total_qty,       // 3: qty
                            0,                         // 4: txtva
                            0,                         // 5: txlocaltax1
                            0,                         // 6: txlocaltax2
                            0,                         // 7: fk_product
                            0,                         // 8: remise_percent
                            '',                        // 9: date_start
                            '',                        // 10: date_end
                            0,                         // 11: fk_code_ventilation
                            0,                         // 12: info_bits
                            0,                         // 13: fk_remise_except
                            'HT',                      // 14: price_base_type
                            0,                         // 15: pu_ttc
                            0,                         // 16: type
                            $rang++,                   // 17: rang
                            0,                         // 18: special_code
                            '',                        // 19: origin
                            0,                         // 20: origin_id
                            0,                         // 21: fk_parent_line
                            null,                      // 22: fk_fournprice
                            0,                         // 23: pa_ht
                            '',                        // 24: label
                            array(),                   // 25: array_options
                            100,                       // 26: situation_percent
                            0,                         // 27: fk_prev_id
                            0                          // 28: fk_unit
                        );
                    }

                    if ($productResult > 0 && $orderHasSections && $mehraufwandSectionResult > 0) {
                        $invoiceManagerLines[] = array(
                            'type' => 'product',
                            'fk_facturedet' => $productResult,
                            'title' => null,
                            'parent' => $mehraufwandSectionResult
                        );
                    } elseif ($productResult < 0) {
                        $error++;
                        setEventMessages($facture->error, $facture->errors, 'errors');
                    }
                }

                // Zwischensumme für Mehraufwand
                if ($mehraufwandSectionResult > 0) {
                    $subtotalLabel = 'Zwischensumme: '.$langs->trans('Mehraufwand');
                    $subtotalResult = $facture->addline(
                        $subtotalLabel,
                        0, 1, 0, 0, 0, 0, 0, '', '', 0, 0, '', 'HT', 0,
                        9, $rang++, 102, 0, '', 0, 0
                    );
                    if ($subtotalResult > 0) {
                        $invoiceManagerLines[] = array(
                            'type' => 'subtotal',
                            'fk_facturedet' => $subtotalResult,
                            'title' => $subtotalLabel,
                            'parent' => $mehraufwandSectionResult
                        );
                    }
                }
            }

            // ============================================
            // ARBEITSZEITEN aus Stundenzetteln hinzufügen
            // (Gruppiert nach Leistungsposition/Produkt)
            // ============================================

            // Standard-Leistung vom Kunden laden (Fallback wenn keine Leistung gewählt)
            $societe = new Societe($db);
            $societe->fetch($order->socid);
            $societe->fetch_optionals();
            $defaultServiceId = isset($societe->array_options['options_stundenzettel_default_service']) ? (int)$societe->array_options['options_stundenzettel_default_service'] : 0;

            // Alle Arbeitszeiten nach Leistungsposition gruppiert sammeln
            $sqlHours = "SELECT ";
            $sqlHours .= " COALESCE(l.fk_product, ".(int)$defaultServiceId.") as product_id,";
            $sqlHours .= " p.ref as product_ref, p.label as product_label, p.tva_tx, p.fk_unit,";
            $sqlHours .= " SUM(l.duration) as total_minutes";
            $sqlHours .= " FROM ".MAIN_DB_PREFIX."stundenzettel s";
            $sqlHours .= " INNER JOIN ".MAIN_DB_PREFIX."stundenzettel_leistung l ON l.fk_stundenzettel = s.rowid";
            $sqlHours .= " LEFT JOIN ".MAIN_DB_PREFIX."product p ON p.rowid = COALESCE(l.fk_product, ".(int)$defaultServiceId.")";
            $sqlHours .= " WHERE s.fk_commande = ".((int)$order->id);
            $sqlHours .= " AND s.status >= 1"; // Nur validierte Stundenzettel
            $sqlHours .= " GROUP BY COALESCE(l.fk_product, ".(int)$defaultServiceId."), p.ref, p.label, p.tva_tx, p.fk_unit";
            $sqlHours .= " HAVING SUM(l.duration) > 0";
            $sqlHours .= " ORDER BY p.label";

            $resqlHours = $db->query($sqlHours);
            $hasWorkHours = ($resqlHours && $db->num_rows($resqlHours) > 0);

            if ($hasWorkHours) {
                // Arbeitszeit-Section erstellen (nur wenn Sections im Auftrag)
                $arbeitszeitSectionResult = 0;
                if ($orderHasSections) {
                    $arbeitszeitSectionResult = $facture->addline(
                        $langs->trans('Leistungen'),
                        0, 0, 0, 0, 0, 0, 0, '', '', 0, 0, '', 'HT', 0,
                        9, // product_type für Titel
                        $rang++,
                        100 // special_code = 100 für Section
                    );

                    if ($arbeitszeitSectionResult > 0) {
                        $invoiceManagerLines[] = array(
                            'type' => 'section',
                            'fk_facturedet' => $arbeitszeitSectionResult,
                            'title' => $langs->trans('Leistungen'),
                            'parent' => null
                        );
                    }
                }

                // Arbeitszeiten hinzufügen (pro Leistungsposition)
                $arbeitszeitSubtotal = 0;
                while ($objHours = $db->fetch_object($resqlHours)) {
                    $productId = (int)$objHours->product_id;
                    $hoursWorked = $objHours->total_minutes / 60;

                    // Produkt-Preis ermitteln (kundenspezifisch oder Standard)
                    $priceInfo = getCustomerPrice($db, $productId, $order->socid);
                    $hourlyPrice = $priceInfo['price'];
                    $tvaTx = !empty($objHours->tva_tx) ? $objHours->tva_tx : $priceInfo['tva_tx'];

                    // Beschreibung
                    $lineDesc = !empty($objHours->product_label) ? $objHours->product_label : $langs->trans('DefaultService');

                    // Rechnungszeile hinzufügen
                    $hoursResult = $facture->addline(
                        $lineDesc,                     // 1: desc
                        $hourlyPrice,                  // 2: pu_ht
                        $hoursWorked,                  // 3: qty (Stunden)
                        $tvaTx,                        // 4: txtva
                        0,                             // 5: txlocaltax1
                        0,                             // 6: txlocaltax2
                        $productId,                    // 7: fk_product
                        0,                             // 8: remise_percent
                        '',                            // 9: date_start
                        '',                            // 10: date_end
                        0,                             // 11: fk_code_ventilation
                        0,                             // 12: info_bits
                        0,                             // 13: fk_remise_except
                        'HT',                          // 14: price_base_type
                        0,                             // 15: pu_ttc
                        1,                             // 16: type (1 = Dienstleistung)
                        $rang++,                       // 17: rang
                        0,                             // 18: special_code
                        '',                            // 19: origin
                        0,                             // 20: origin_id
                        0,                             // 21: fk_parent_line
                        null,                          // 22: fk_fournprice
                        0,                             // 23: pa_ht
                        '',                            // 24: label
                        array(),                       // 25: array_options
                        100,                           // 26: situation_percent
                        0,                             // 27: fk_prev_id
                        $objHours->fk_unit             // 28: fk_unit
                    );

                    if ($hoursResult > 0) {
                        if ($orderHasSections && $arbeitszeitSectionResult > 0) {
                            $invoiceManagerLines[] = array(
                                'type' => 'product',
                                'fk_facturedet' => $hoursResult,
                                'title' => null,
                                'parent' => $arbeitszeitSectionResult
                            );
                        }
                        $arbeitszeitSubtotal += $hourlyPrice * $hoursWorked;
                    } elseif ($hoursResult < 0) {
                        $error++;
                        setEventMessages($facture->error, $facture->errors, 'errors');
                    }
                }

                // Zwischensumme für Arbeitszeit
                if ($arbeitszeitSectionResult > 0 && $arbeitszeitSubtotal > 0) {
                    $subtotalLabel = 'Zwischensumme: '.$langs->trans('Leistungen');
                    $subtotalResult = $facture->addline(
                        $subtotalLabel,
                        0, 1, 0, 0, 0, 0, 0, '', '', 0, 0, '', 'HT', 0,
                        9, $rang++, 102, 0, '', 0, 0
                    );
                    if ($subtotalResult > 0) {
                        $invoiceManagerLines[] = array(
                            'type' => 'subtotal',
                            'fk_facturedet' => $subtotalResult,
                            'title' => $subtotalLabel,
                            'parent' => $arbeitszeitSectionResult
                        );
                    }
                }
            }

            // llx_facture_lines_manager für Rechnung erstellen
            if (!$error && count($invoiceManagerLines) > 0) {
                $lineOrder = 1;
                $sectionMap = array(); // old_facturedet_id => new_manager_rowid

                foreach ($invoiceManagerLines as $mLine) {
                    $sqlInsert = "INSERT INTO ".MAIN_DB_PREFIX."facture_lines_manager";
                    $sqlInsert .= " (fk_facture, document_type, line_type, fk_facturedet, title, parent_section, line_order, show_subtotal, date_creation)";
                    $sqlInsert .= " VALUES (";
                    $sqlInsert .= ((int)$facture_id).", 'invoice', ";
                    $sqlInsert .= "'".$db->escape($mLine['type'])."', ";
                    $sqlInsert .= ($mLine['fk_facturedet'] ? (int)$mLine['fk_facturedet'] : "NULL").", ";
                    $sqlInsert .= ($mLine['title'] ? "'".$db->escape($mLine['title'])."'" : "NULL").", ";

                    // Parent-Section mapping
                    if ($mLine['parent'] && isset($sectionMap[$mLine['parent']])) {
                        $sqlInsert .= (int)$sectionMap[$mLine['parent']].", ";
                    } else {
                        $sqlInsert .= "NULL, ";
                    }

                    $sqlInsert .= $lineOrder++.", ";
                    $sqlInsert .= ($mLine['type'] == 'section' ? "1" : "0").", ";
                    $sqlInsert .= "NOW())";

                    $db->query($sqlInsert);

                    // Track section IDs for parent mapping
                    if ($mLine['type'] == 'section') {
                        $sectionMap[$mLine['fk_facturedet']] = $db->last_insert_id(MAIN_DB_PREFIX.'facture_lines_manager');
                    }
                }
            }
        } else {
            $error++;
        }

        if (!$error) {
            // ============================================
            // Rang-Werte in facturedet korrigieren
            // Synchronisiert rang mit line_order aus facture_lines_manager
            // ============================================
            $sqlFixRang = "UPDATE ".MAIN_DB_PREFIX."facturedet fd
                INNER JOIN ".MAIN_DB_PREFIX."facture_lines_manager flm ON flm.fk_facturedet = fd.rowid
                SET fd.rang = flm.line_order
                WHERE flm.fk_facture = ".((int)$facture_id);
            $db->query($sqlFixRang);

            // Status auf "in Rechnung übertragen" setzen (direkt per SQL)
            $sqlUpdate = "UPDATE ".MAIN_DB_PREFIX."commande_extrafields SET stundenzettel_status = 2 WHERE fk_object = ".((int)$order->id);
            $resqlUpdate = $db->query($sqlUpdate);
            if (!$resqlUpdate || $db->affected_rows($resqlUpdate) == 0) {
                $sqlInsert = "INSERT INTO ".MAIN_DB_PREFIX."commande_extrafields (fk_object, stundenzettel_status) VALUES (".((int)$order->id).", 2)";
                $db->query($sqlInsert);
            }

            $db->commit();
            setEventMessages($langs->trans('InvoiceCreated'), null, 'mesgs');
            header('Location: '.DOL_URL_ROOT.'/compta/facture/card.php?id='.$facture_id);
            exit;
        } else {
            $db->rollback();
        }
    } else {
        $error++;
        setEventMessages($facture->error, $facture->errors, 'errors');
        $db->rollback();
    }

    header('Location: '.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1');
    exit;
}

/*
 * View
 */

// Linkes Menü aktivieren
$_GET['mainmenu'] = 'stundenzettel';

// Stundenzettel laden wenn ID übergeben wurde
$stundenzettelObj = null;
if ($stundenzettel_id > 0) {
    $stundenzettelObj = new Stundenzettel($db);
    if ($stundenzettelObj->fetch($stundenzettel_id) <= 0) {
        $stundenzettelObj = null;
        $stundenzettel_id = 0;
    }
}

// Lade Extrafields für Stundenzettel-Status - direkt aus DB lesen für Zuverlässigkeit
$sqlStatus = "SELECT stundenzettel_status FROM ".MAIN_DB_PREFIX."commande_extrafields WHERE fk_object = ".((int)$order->id);
$resqlStatus = $db->query($sqlStatus);
$stundenzettelStatus = 0;
if ($resqlStatus && ($objStatus = $db->fetch_object($resqlStatus))) {
    $stundenzettelStatus = (int)$objStatus->stundenzettel_status;
}
// 0 = Offen, 1 = Freigegeben, 2 = In Rechnung übertragen

// Prüfe ob alle Stundenzettel validiert sind
$allValidated = false;
$hasStundenzettel = false;
$sqlCheck = "SELECT COUNT(*) as total, SUM(CASE WHEN status >= 1 THEN 1 ELSE 0 END) as validated";
$sqlCheck .= " FROM ".MAIN_DB_PREFIX."stundenzettel WHERE fk_commande = ".((int)$order->id);
$resqlCheck = $db->query($sqlCheck);
if ($resqlCheck) {
    $objCheck = $db->fetch_object($resqlCheck);
    $hasStundenzettel = ($objCheck->total > 0);
    $allValidated = ($objCheck->total > 0 && $objCheck->total == $objCheck->validated);
}

// Berechne verbleibende Produkte
$remainingProducts = array();
if ($hasStundenzettel) {
    $sqlRemaining = "SELECT cd.rowid, cd.fk_product, cd.qty as qty_ordered, cd.description,";
    $sqlRemaining .= " p.ref as product_ref, p.label as product_label,";
    $sqlRemaining .= " COALESCE((SELECT SUM(sp.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
    $sqlRemaining .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
    $sqlRemaining .= "   WHERE sp.fk_commandedet = cd.rowid AND sp.origin IN ('order', 'added', 'omitted')), 0) as qty_documented";
    $sqlRemaining .= " FROM ".MAIN_DB_PREFIX."commandedet as cd";
    $sqlRemaining .= " LEFT JOIN ".MAIN_DB_PREFIX."product as p ON p.rowid = cd.fk_product";
    $sqlRemaining .= " WHERE cd.fk_commande = ".((int)$order->id);
    $sqlRemaining .= " AND (cd.fk_product > 0 OR (cd.fk_product = 0 AND cd.description IS NOT NULL AND cd.description != ''))";
    $sqlRemaining .= " AND (cd.special_code IS NULL OR cd.special_code = 0)";
    $sqlRemaining .= " HAVING qty_ordered > qty_documented";

    $resqlRemaining = $db->query($sqlRemaining);
    if ($resqlRemaining) {
        while ($objRem = $db->fetch_object($resqlRemaining)) {
            $remainingProducts[] = $objRem;
        }
    }
}
$hasRemainingProducts = (count($remainingProducts) > 0);

$title = $langs->trans("Stundenzettel").' - '.$order->ref;
llxHeader('', $title, '', '', 0, 0, '', '', '', 'mod-stundenzettel page-commande');

// Mobile CSS einbinden
$mobileCssFile = dol_buildpath('/stundenzettel/css/stundenzettel-mobile.css', 0);
if (file_exists($mobileCssFile)) {
    print '<link rel="stylesheet" type="text/css" href="'.dol_buildpath('/stundenzettel/css/stundenzettel-mobile.css', 1).'?v='.filemtime($mobileCssFile).'">';
}

// Tabs - Immer die Stundenzettel-Commande-Tabs verwenden
// Aktiven Tab-Key basierend auf $tab bestimmen
$activeTabKey = $tab; // products, stundenzettel, oder tracking

$head = stundenzettel_commande_prepare_head($order, $stundenzettel_id);
dol_fiche_head($head, $activeTabKey, $langs->trans("Stundenzettel"), -1, 'clock');

$form = new Form($db);


// Bestätigung für Freigabe mit Warnung (verbleibende Produkte)
if ($action == 'confirm_release_warning') {
    // Zeige Warnung mit verbleibenden Produkten
    if ($hasRemainingProducts && count($remainingProducts) > 0) {
        // Erstelle HTML für die Produktliste
        $remainingHtml = '<div class="warning" style="margin-top:10px; padding:10px;">';
        $remainingHtml .= '<strong>'.$langs->trans("RemainingProductsWarning").':</strong><ul style="margin:10px 0;">';
        foreach ($remainingProducts as $prod) {
            $productName = $prod->fk_product > 0 ? $prod->product_ref.' - '.$prod->product_label : strip_tags($prod->description);
            $qtyRemaining = $prod->qty_ordered - $prod->qty_documented;
            $remainingHtml .= '<li>'.$productName.' - <strong>'.formatQty($qtyRemaining).'</strong> '.$langs->trans("QtyRemaining").'</li>';
        }
        $remainingHtml .= '</ul></div>';
        $confirmMessage = $langs->trans('ConfirmReleaseWithRemaining').$remainingHtml.'<br><br><strong>'.$langs->trans('ConfirmReleaseFinal').'</strong>';
    } else {
        // Keine verbleibenden Produkte - einfache Bestätigung
        $confirmMessage = $langs->trans('ConfirmReleaseFinal');
    }

    // Direkt zur Freigabe-Action - nur EIN Dialog
    print $form->formconfirm(
        $_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1',
        $langs->trans('ConfirmReleaseWithRemainingTitle'),
        $confirmMessage,
        'confirm_release',  // Einfacher Action-Name
        array(),
        0,
        0  // useajax=0 für zuverlässigere Darstellung
    );
}

// Bestätigung für Rechnungsübertragung
if ($action == 'transfer_invoice') {
    print $form->formconfirm(
        $_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1',
        $langs->trans('ConfirmTransferInvoiceTitle'),
        $langs->trans('ConfirmTransferInvoice'),
        'confirm_transfer_invoice',
        array(),
        0,
        1
    );
}

// Info banner - Produktliste zeigt immer den Auftrag, andere Tabs den Stundenzettel
if ($tab == 'products') {
    // Produktliste ist tagesbasiert - immer Auftrag anzeigen
    $linkback = '<a href="'.DOL_URL_ROOT.'/commande/list.php?restore_lastsearch_values=1">'.$langs->trans("BackToList").'</a>';
    dol_banner_tab($order, 'ref', $linkback, 1, 'ref', 'ref');
} elseif ($stundenzettelObj) {
    $linkback = '<a href="'.dol_buildpath('/stundenzettel/list.php', 1).'?restore_lastsearch_values=1">'.$langs->trans("BackToList").'</a>';
    dol_banner_tab($stundenzettelObj, 'id', $linkback, 1, 'rowid', 'ref');
} else {
    $linkback = '<a href="'.DOL_URL_ROOT.'/commande/list.php?restore_lastsearch_values=1">'.$langs->trans("BackToList").'</a>';
    dol_banner_tab($order, 'ref', $linkback, 1, 'ref', 'ref');
}

print '<div class="fichecenter">';
print '<div class="underbanner clearboth"></div>';

// Standard-Leistung und geplante Stunden laden
$societe = new Societe($db);
$societe->fetch($order->socid);
$societe->fetch_optionals();

// Standard-Leistung vom Kunden
$defaultServiceId = isset($societe->array_options['options_stundenzettel_default_service']) ? (int)$societe->array_options['options_stundenzettel_default_service'] : 0;
$defaultServiceProduct = null;
if ($defaultServiceId > 0) {
    $defaultServiceProduct = new Product($db);
    if ($defaultServiceProduct->fetch($defaultServiceId) <= 0) {
        $defaultServiceProduct = null;
    }
}

// Geplante Stunden aus dem Auftrag suchen (Dienstleistungen = fk_product_type = 1)
$plannedHours = 0;
$plannedHoursLine = null;
foreach ($order->lines as $line) {
    // Prüfe ob es eine Dienstleistung ist
    if ($line->fk_product > 0) {
        $prod = new Product($db);
        if ($prod->fetch($line->fk_product) > 0 && $prod->type == 1) {
            // Es ist eine Dienstleistung - summiere die Menge
            $plannedHours += $line->qty;
            if (!$plannedHoursLine) {
                $plannedHoursLine = $line; // Erste Dienstleistung merken
            }
        }
    }
}

// Info-Box für Standard-Leistung und geplante Stunden
if ($defaultServiceProduct || $plannedHours > 0) {
    print '<div class="info" style="margin-bottom:15px;">';
    print '<table class="noborder" style="width:auto;">';

    // Standard-Leistung
    print '<tr>';
    print '<td style="padding-right:20px;"><strong>'.img_picto('', 'service', 'class="pictofixedwidth"').$langs->trans("DefaultService").':</strong></td>';
    print '<td>';
    if ($defaultServiceProduct) {
        // Kundenspezifischen Preis für die Standard-Leistung holen
        $defaultServicePriceInfo = getCustomerPrice($db, $defaultServiceProduct->id, $order->socid, $defaultServiceProduct);
        $displayPrice = $defaultServicePriceInfo['price'];
        $isCustomerPrice = $defaultServicePriceInfo['is_customer_price'];

        print $defaultServiceProduct->getNomUrl(1).' - '.$defaultServiceProduct->label;
        print ' <span class="opacitymedium">('.price($displayPrice, 0, $langs, 1, -1, -1, $conf->currency).'/Std.)';
        if ($isCustomerPrice) {
            print ' <span class="badge badge-status4" title="'.$langs->trans("CustomerSpecificPrice").'">Kundenpreis</span>';
        }
        print '</span>';
    } else {
        print '<span class="opacitymedium">'.$langs->trans("NoDefaultServiceSet").'</span>';
        print ' <a href="'.DOL_URL_ROOT.'/societe/card.php?socid='.$order->socid.'" class="button small">'.$langs->trans("SetDefaultServiceInCustomer").'</a>';
    }
    print '</td>';
    print '</tr>';

    // Geplante Stunden
    if ($plannedHours > 0) {
        print '<tr>';
        print '<td style="padding-right:20px;"><strong>'.img_picto('', 'clock', 'class="pictofixedwidth"').$langs->trans("PlannedHours").':</strong></td>';
        print '<td><span class="badge badge-info">'.formatQty($plannedHours).' Std.</span> '.$langs->trans("HoursFromOrder").'</td>';
        print '</tr>';
    }

    print '</table>';
    print '</div>';
}

// Auftragsbeschreibung anzeigen (Extrafeld auftragsbeschreibung)
// Extrafelder laden falls noch nicht geladen
if (!isset($order->array_options) || empty($order->array_options)) {
    $order->fetch_optionals();
}
$orderDescription = isset($order->array_options['options_auftragsbeschreibung']) ? $order->array_options['options_auftragsbeschreibung'] : '';

if (!empty($orderDescription)) {
    print '<div class="fichehalfleft" style="margin-bottom: 15px;">';
    print '<div class="div-table-responsive-no-min">';
    print '<table class="noborder centpercent">';
    print '<tr class="liste_titre">';
    print '<th>'.img_picto('', 'note', 'class="pictofixedwidth"').$langs->trans("OrderDescription").'</th>';
    print '</tr>';
    print '<tr class="oddeven">';
    print '<td>'.dol_htmlentitiesbr($orderDescription).'</td>';
    print '</tr>';
    print '</table>';
    print '</div>';
    print '</div>';
    print '<div class="clearboth"></div>';
}

// Notizen für nächsten Besuch (aus vorherigen Stundenzetteln)
$sql = "SELECT s.ref, s.note_public, s.date_stundenzettel";
$sql .= " FROM ".MAIN_DB_PREFIX."stundenzettel as s";
$sql .= " WHERE s.fk_commande = ".((int)$order->id);
$sql .= " AND s.note_public IS NOT NULL AND s.note_public != ''";
$sql .= " ORDER BY s.date_stundenzettel DESC";
$sql .= " LIMIT 3";

$resql = $db->query($sql);
if ($resql && $db->num_rows($resql) > 0) {
    print '<div class="info" style="margin-bottom:20px;">';
    print '<strong>'.img_picto('', 'note', 'class="pictofixedwidth"').$langs->trans("NotesForNextVisit").':</strong><br>';
    while ($obj = $db->fetch_object($resql)) {
        print '<div style="margin:5px 0; padding:5px; background:#fff; border-left:3px solid #0077b3;">';
        print '<small class="opacitymedium">'.dol_print_date($db->jdate($obj->date_stundenzettel), 'day').' ('.$obj->ref.'):</small><br>';
        print dol_htmlentitiesbr($obj->note_public);
        print '</div>';
    }
    print '</div>';
}

// Merkzettel/Notizen aus verknüpftem Stundenzettel anzeigen
$notesStundenzettel = null;
$notesToShow = array();

// Stundenzettel für Notizen bestimmen
if ($stundenzettelObj) {
    $notesStundenzettel = $stundenzettelObj;
} else {
    // Offenen Stundenzettel für diesen Auftrag suchen
    $sqlStz = "SELECT rowid FROM ".MAIN_DB_PREFIX."stundenzettel";
    $sqlStz .= " WHERE fk_commande = ".((int)$order->id);
    $sqlStz .= " AND status = 0"; // Nur Entwürfe
    $sqlStz .= " ORDER BY date_stundenzettel DESC, rowid DESC";
    $sqlStz .= " LIMIT 1";
    $resqlStz = $db->query($sqlStz);
    if ($resqlStz && $db->num_rows($resqlStz) > 0) {
        $objStz = $db->fetch_object($resqlStz);
        $notesStundenzettel = new Stundenzettel($db);
        $notesStundenzettel->fetch($objStz->rowid);
    }
}

// Notizen aus dem Stundenzettel laden (falls vorhanden)
if ($notesStundenzettel && $notesStundenzettel->id > 0) {
    $notesStundenzettel->fetchNotes();
    $notesToShow = $notesStundenzettel->notes;
}

// Merkzettel anzeigen, wenn welche vorhanden sind
if (count($notesToShow) > 0) {
    print '<div class="info" style="margin-bottom:15px; background-color: #fff8e1; border-left: 4px solid #ffc107; padding: 10px;">';
    print '<strong>'.img_picto('', 'list', 'class="pictofixedwidth"').$langs->trans("NotesMemo").'</strong>';
    print ' <small class="opacitymedium">('.$notesStundenzettel->ref.')</small>';
    print '<ul style="margin: 5px 0 0 0; padding-left: 20px; list-style: none;">';

    foreach ($notesToShow as $note) {
        $isChecked = ($note->checked == 1);
        print '<li style="margin: 5px 0; display: flex; align-items: flex-start; gap: 8px;">';

        // Checkbox zum Abhaken
        if ($notesStundenzettel->status == Stundenzettel::STATUS_DRAFT && $user->hasRight('stundenzettel', 'write')) {
            $newChecked = $isChecked ? 0 : 1;
            print '<a href="'.$_SERVER['PHP_SELF'].'?id='.$order->id.'&action=toggle_note&note_id='.$note->rowid.'&checked='.$newChecked.'&stundenzettel_id='.$notesStundenzettel->id.'&token='.newToken().'" style="text-decoration: none;">';
            if ($isChecked) {
                print '<span class="fas fa-check-square" style="color: #28a745; font-size: 1.1em;"></span>';
            } else {
                print '<span class="far fa-square" style="color: #6c757d; font-size: 1.1em;"></span>';
            }
            print '</a>';
        } else {
            if ($isChecked) {
                print '<span class="fas fa-check-square" style="color: #28a745; font-size: 1.1em;"></span>';
            } else {
                print '<span class="far fa-square" style="color: #6c757d; font-size: 1.1em;"></span>';
            }
        }

        // Notiz-Text
        print '<span'.($isChecked ? ' style="text-decoration: line-through; color: #6c757d;"' : '').'>';
        print dol_escape_htmltag($note->note);
        print '</span>';

        print '</li>';
    }

    print '</ul>';
    print '</div>';
}

// =============================================
// TAB: ALLE STUNDENZETTEL
// =============================================
if ($tab == 'stundenzettel') {
    // Auftrag-ID aus Stundenzettel verwenden wenn vorhanden, sonst aus URL
    // Wichtig: Gleiche Logik wie in lib/stundenzettel.lib.php für Badge-Berechnung
    $orderIdForQuery = $stundenzettelObj ? (int)$stundenzettelObj->fk_commande : (int)$order->id;

    $sql = "SELECT s.rowid, s.ref, s.date_stundenzettel, s.status, s.fk_user_author,";
    $sql .= " u.firstname, u.lastname,";
    $sql .= " COALESCE((SELECT SUM(sp.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp WHERE sp.fk_stundenzettel = s.rowid AND sp.origin IN ('order', 'added')), 0) as total_qty_products,";
    $sql .= " COALESCE((SELECT SUM(sl.duration) FROM ".MAIN_DB_PREFIX."stundenzettel_leistung sl WHERE sl.fk_stundenzettel = s.rowid), 0) as total_duration_minutes";
    $sql .= " FROM ".MAIN_DB_PREFIX."stundenzettel as s";
    $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."user as u ON u.rowid = s.fk_user_author";
    $sql .= " WHERE s.fk_commande = ".((int)$orderIdForQuery);
    $sql .= " ORDER BY s.date_stundenzettel DESC, s.rowid DESC";

    $resqlStzList = $db->query($sql);
    $numStz = $resqlStzList ? $db->num_rows($resqlStzList) : 0;

    print '<div class="div-table-responsive-no-min">';
    print '<table class="noborder centpercent">';
    print '<tr class="liste_titre">';
    print '<th>'.$langs->trans("Ref").'</th>';
    print '<th>'.$langs->trans("Date").'</th>';
    print '<th>'.$langs->trans("Author").'</th>';
    print '<th class="right">'.$langs->trans("Products").'</th>';
    print '<th class="right">'.$langs->trans("LeistungDuration").'</th>';
    print '<th>'.$langs->trans("Status").'</th>';
    print '</tr>';

    if ($numStz > 0) {
        while ($objStz = $db->fetch_object($resqlStzList)) {
            $isCurrentStz = ($stundenzettel_id > 0 && $objStz->rowid == $stundenzettel_id);
            print '<tr class="oddeven"'.($isCurrentStz ? ' style="background-color: #e8f4fc;"' : '').'>';

            // Ref
            print '<td>';
            print '<a href="'.dol_buildpath('/stundenzettel/card.php?id='.$objStz->rowid, 1).'">';
            print img_picto('', 'clock', 'class="pictofixedwidth"').$objStz->ref;
            print '</a>';
            if ($isCurrentStz) {
                print ' <span class="badge badge-info">aktuell</span>';
            }
            print '</td>';

            // Datum
            print '<td>'.dol_print_date($db->jdate($objStz->date_stundenzettel), 'day').'</td>';

            // Autor
            print '<td>'.$objStz->firstname.' '.$objStz->lastname.'</td>';

            // Gesamtmenge Produkte
            print '<td class="right">';
            if ($objStz->total_qty_products > 0) {
                print formatQty($objStz->total_qty_products);
            } else {
                print '<span class="opacitymedium">-</span>';
            }
            print '</td>';

            // Gesamtzeit Leistungen
            print '<td class="right">';
            if ($objStz->total_duration_minutes > 0) {
                $hours = floor($objStz->total_duration_minutes / 60);
                $minutes = $objStz->total_duration_minutes % 60;
                print sprintf('%d:%02d h', $hours, $minutes);
            } else {
                print '<span class="opacitymedium">-</span>';
            }
            print '</td>';

            // Status
            $stzTemp = new Stundenzettel($db);
            print '<td>'.$stzTemp->LibStatut($objStz->status, 5).'</td>';

            print '</tr>';
        }
    } else {
        print '<tr class="oddeven"><td colspan="6" class="opacitymedium">'.$langs->trans("NoRecordFound").'</td></tr>';
    }

    print '</table>';
    print '</div>';

    // Button: Neuen Stundenzettel erstellen
    print '<div class="center" style="margin-top: 20px;">';
    print '<a class="butAction" href="'.dol_buildpath('/stundenzettel/card.php?action=create&fk_commande='.$orderIdForQuery, 1).'">';
    print img_picto('', 'add', 'class="pictofixedwidth"').$langs->trans("CreateStundenzettel");
    print '</a>';
    print '</div>';
}

// =============================================
// TAB: PRODUKTLISTE AUS AUFTRAG
// =============================================
if ($tab == 'products') {
    // Farben für Sections (wie im SubtotalTitle-Modul)
    $sectionColors = array('#4a90d9', '#50b87d', '#e67e22', '#9b59b6', '#e74c3c', '#1abc9c', '#f39c12', '#3498db');

    // Filter-Dropdown mit localStorage-Speicherung pro Auftrag
    print '<div class="marginbottomonly" style="display: flex; align-items: center; gap: 20px; flex-wrap: wrap;">';

    // Filter
    print '<div>';
    print '<label for="filter" style="margin-right: 5px;">'.$langs->trans("Filter").':</label>';
    print '<select name="filter" id="filter" class="flat" onchange="saveFilterAndRedirect(this.value)">';
    print '<option value="open"'.($filter == 'open' ? ' selected' : '').'>'.$langs->trans("FilterOpen").'</option>';
    print '<option value="done"'.($filter == 'done' ? ' selected' : '').'>'.$langs->trans("FilterDone").'</option>';
    print '<option value="all"'.($filter == 'all' ? ' selected' : '').'>'.$langs->trans("FilterAll").'</option>';
    print '</select>';
    print '</div>';

    // Alle ein-/ausklappen Buttons
    print '<div>';
    print '<button type="button" class="button small" onclick="expandAllSections()" title="'.$langs->trans("ExpandAll").'">';
    print '<span class="fas fa-expand-arrows-alt"></span> '.$langs->trans("ExpandAll");
    print '</button>';
    print ' ';
    print '<button type="button" class="button small" onclick="collapseAllSections()" title="'.$langs->trans("CollapseAll").'">';
    print '<span class="fas fa-compress-arrows-alt"></span> '.$langs->trans("CollapseAll");
    print '</button>';
    print '</div>';

    print '</div>';

    // JavaScript für Filter-Speicherung pro Auftrag
    print '<script>
    var orderId = '.$order->id.';
    var stundenzettelId = '.($stundenzettel_id > 0 ? $stundenzettel_id : 0).';

    // Beim Laden: Filter aus localStorage holen (falls nicht per URL gesetzt)
    document.addEventListener("DOMContentLoaded", function() {
        var urlParams = new URLSearchParams(window.location.search);
        // WICHTIG: Nicht umleiten wenn eine action aktiv ist (z.B. Bestätigungsdialog)
        if (urlParams.has("action")) {
            return; // Bei Actions keine Filter-Weiterleitung
        }
        if (!urlParams.has("filter")) {
            var savedFilter = localStorage.getItem("stz_filter_" + orderId);
            if (savedFilter && savedFilter !== "'.$filter.'") {
                // Redirect mit gespeichertem Filter
                saveFilterAndRedirect(savedFilter);
            }
        }
    });

    function saveFilterAndRedirect(filterValue) {
        // Filter in localStorage speichern
        localStorage.setItem("stz_filter_" + orderId, filterValue);
        // Redirect (noredirect beibehalten um Auto-Redirect zu verhindern)
        var url = "?id=" + orderId + "&tab=products&filter=" + filterValue + "&noredirect=1";
        if (stundenzettelId > 0) {
            url += "&stundenzettel_id=" + stundenzettelId;
        }
        window.location.href = url;
    }
    </script>';

    print '<form method="POST" action="'.$_SERVER['PHP_SELF'].'?id='.$order->id.'">';
    print '<input type="hidden" name="token" value="'.newToken().'">';
    print '<input type="hidden" name="action" value="transfer_products">';
    if ($stundenzettel_id > 0) {
        print '<input type="hidden" name="stundenzettel_id" value="'.$stundenzettel_id.'">';
    }

    // Datum für Stundenzettel nur anzeigen, wenn kein Stundenzettel ausgewählt
    if (!$stundenzettel_id) {
        // Standard-Datum ermitteln basierend auf Einstellung
        $defaultDateSetting = getDolGlobalString('STUNDENZETTEL_DEFAULT_DATE', 'today');
        $defaultDate = date('Y-m-d');

        if ($defaultDateSetting == 'last_open') {
            // Datum des letzten offenen Stundenzettels für diesen Auftrag suchen
            $sqlLastOpen = "SELECT date_stundenzettel FROM ".MAIN_DB_PREFIX."stundenzettel";
            $sqlLastOpen .= " WHERE fk_commande = ".((int)$order->id);
            $sqlLastOpen .= " AND status = 0";  // Nur Entwürfe
            $sqlLastOpen .= " ORDER BY date_stundenzettel DESC, rowid DESC LIMIT 1";
            $resqlLastOpen = $db->query($sqlLastOpen);
            if ($resqlLastOpen && $db->num_rows($resqlLastOpen) > 0) {
                $objLastOpen = $db->fetch_object($resqlLastOpen);
                if ($objLastOpen->date_stundenzettel) {
                    $defaultDate = date('Y-m-d', $db->jdate($objLastOpen->date_stundenzettel));
                }
            }
        }

        print '<div class="marginbottomonly">';
        print '<label for="date_stundenzettel">'.$langs->trans("StundenzettelDate").':</label> ';
        print '<input type="date" name="date_stundenzettel" id="date_stundenzettel" value="'.$defaultDate.'" class="flat">';
        print '</div>';
    } else {
        // Prüfen ob der ausgewählte Stundenzettel von heute ist
        $stzDateStr = date('Y-m-d', $stundenzettelObj->date_stundenzettel);
        $todayStr = date('Y-m-d');

        print '<div class="marginbottomonly">';
        if ($stzDateStr == $todayStr) {
            // Stundenzettel ist von heute - normal anzeigen
            print '<span class="opacitymedium">'.$langs->trans("TransferToStundenzettel").': </span>';
            print '<strong>'.$stundenzettelObj->ref.'</strong> ('.dol_print_date($stundenzettelObj->date_stundenzettel, 'day').')';
        } else {
            // Stundenzettel ist von einem anderen Tag - Hinweis dass neuer erstellt wird
            print '<span class="opacitymedium">'.$langs->trans("TransferToStundenzettel").': </span>';
            print '<strong style="color: #28a745;">'.$langs->trans("NewStundenzettelForToday").'</strong>';
            print ' <span class="opacitymedium">('.dol_print_date(dol_now(), 'day').')</span>';
            print '<br><small class="opacitymedium">'.$langs->trans("SelectedStundenzettelNotToday", $stundenzettelObj->ref, dol_print_date($stundenzettelObj->date_stundenzettel, 'day')).'</small>';
            // Hidden field für das heutige Datum
            print '<input type="hidden" name="force_new_stundenzettel" value="1">';
            print '<input type="hidden" name="date_stundenzettel" value="'.date('Y-m-d').'">';
        }
        print '</div>';
    }

    print '<div class="div-table-responsive-no-min">';
    print '<table class="noborder centpercent">';
    print '<tr class="liste_titre">';
    print '<th class="center" style="width:30px;"><input type="checkbox" id="checkall" onclick="toggleAll(this)"></th>';
    print '<th>'.$langs->trans("Product").'</th>';
    print '<th class="right">'.$langs->trans("QtyOrdered").'</th>';
    print '<th class="right">'.$langs->trans("QtyDelivered").'</th>';
    print '<th class="right">'.$langs->trans("QtyRemaining").'</th>';
    print '<th>'.$langs->trans("Status").'</th>';
    print '</tr>';

    // Lade Sections und Produkte aus facture_lines_manager
    $sections = array();
    $products_by_section = array();
    $products_without_section = array();

    // Erst alle Sections laden
    $sql = "SELECT m.rowid, m.title, m.line_order";
    $sql .= " FROM ".MAIN_DB_PREFIX."facture_lines_manager as m";
    $sql .= " WHERE m.fk_commande = ".((int)$order->id);
    $sql .= " AND m.document_type = 'order'";
    $sql .= " AND m.line_type = 'section'";
    $sql .= " ORDER BY m.line_order";

    $resql = $db->query($sql);
    if ($resql) {
        $colorIndex = 0;
        while ($obj = $db->fetch_object($resql)) {
            $sections[$obj->rowid] = array(
                'title' => $obj->title,
                'line_order' => $obj->line_order,
                'color' => $sectionColors[$colorIndex % count($sectionColors)]
            );
            $products_by_section[$obj->rowid] = array();
            $colorIndex++;
        }
    }

    // Dann alle Produkte laden mit Section-Zuordnung
    // Berechne qty_delivered, qty_added (Mehraufwand) und qty_removed (Entfällt) direkt aus Stundenzetteln
    $sql = "SELECT m.rowid as manager_id, m.fk_commandedet, m.parent_section, m.line_order,";
    $sql .= " cd.rowid, cd.fk_product, cd.qty, cd.description,";
    $sql .= " p.ref as product_ref, p.label as product_label,";
    // qty_delivered: Summe aller qty_done für diese Auftragszeile (origin = 'order' oder 'added')
    $sql .= " COALESCE((SELECT SUM(sp.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
    $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
    $sql .= "   WHERE sp.fk_commandedet = cd.rowid AND sp.origin IN ('order', 'added')), 0) as qty_delivered,";
    // qty_added: Mehraufwand für dieses Produkt (origin = 'additional')
    $sql .= " COALESCE((SELECT SUM(sp2.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp2";
    $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s2 ON s2.rowid = sp2.fk_stundenzettel";
    $sql .= "   WHERE sp2.fk_product = cd.fk_product AND sp2.origin = 'additional' AND s2.fk_commande = ".((int)$order->id)."), 0) as qty_added,";
    // qty_removed: Entfällt für dieses Produkt (origin = 'omitted')
    $sql .= " COALESCE((SELECT SUM(sp3.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp3";
    $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s3 ON s3.rowid = sp3.fk_stundenzettel";
    $sql .= "   WHERE sp3.fk_product = cd.fk_product AND sp3.origin = 'omitted' AND s3.fk_commande = ".((int)$order->id)."), 0) as qty_removed";
    $sql .= " FROM ".MAIN_DB_PREFIX."facture_lines_manager as m";
    $sql .= " JOIN ".MAIN_DB_PREFIX."commandedet as cd ON cd.rowid = m.fk_commandedet";
    $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."product as p ON p.rowid = cd.fk_product";
    $sql .= " WHERE m.fk_commande = ".((int)$order->id);
    $sql .= " AND m.document_type = 'order'";
    $sql .= " AND m.line_type = 'product'";
    $sql .= " ORDER BY m.line_order";

    $resql = $db->query($sql);
    if ($resql) {
        while ($obj = $db->fetch_object($resql)) {
            if ($obj->parent_section && isset($products_by_section[$obj->parent_section])) {
                $products_by_section[$obj->parent_section][] = $obj;
            } else {
                $products_without_section[] = $obj;
            }
        }
    }

    // Falls keine Manager-Einträge, direkt aus commandedet laden
    $hasManagerData = (count($sections) > 0 || count($products_without_section) > 0);
    if (!$hasManagerData) {
        // Berechne qty_delivered, qty_added (Mehraufwand) und qty_removed (Entfällt) direkt aus Stundenzetteln
        $sql = "SELECT cd.rowid, cd.fk_product, cd.qty, cd.description,";
        $sql .= " p.ref as product_ref, p.label as product_label,";
        // qty_delivered: Summe aller qty_done für diese Auftragszeile (origin = 'order' oder 'added')
        $sql .= " COALESCE((SELECT SUM(sp.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
        $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
        $sql .= "   WHERE sp.fk_commandedet = cd.rowid AND sp.origin IN ('order', 'added')), 0) as qty_delivered,";
        // qty_added: Mehraufwand für dieses Produkt (origin = 'additional')
        $sql .= " COALESCE((SELECT SUM(sp2.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp2";
        $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s2 ON s2.rowid = sp2.fk_stundenzettel";
        $sql .= "   WHERE sp2.fk_product = cd.fk_product AND sp2.origin = 'additional' AND s2.fk_commande = ".((int)$order->id)."), 0) as qty_added,";
        // qty_removed: Entfällt für dieses Produkt (origin = 'omitted')
        $sql .= " COALESCE((SELECT SUM(sp3.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp3";
        $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s3 ON s3.rowid = sp3.fk_stundenzettel";
        $sql .= "   WHERE sp3.fk_product = cd.fk_product AND sp3.origin = 'omitted' AND s3.fk_commande = ".((int)$order->id)."), 0) as qty_removed";
        $sql .= " FROM ".MAIN_DB_PREFIX."commandedet as cd";
        $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."product as p ON p.rowid = cd.fk_product";
        $sql .= " WHERE cd.fk_commande = ".((int)$order->id);
        $sql .= " AND (cd.fk_product > 0 OR (cd.fk_product = 0 AND cd.description IS NOT NULL AND cd.description != ''))";
        $sql .= " AND (cd.special_code IS NULL OR cd.special_code = 0)";  // Keine SubtotalTitle-Spezialzeilen
        $sql .= " ORDER BY cd.rang";

        $resql = $db->query($sql);
        if ($resql) {
            while ($obj = $db->fetch_object($resql)) {
                $products_without_section[] = $obj;
            }
        }
    }

    // Bereits auf dem ausgewählten Stundenzettel vorhandene Produkte laden
    // NUR wenn der Stundenzettel von heute ist - ansonsten wird ein neuer erstellt
    $alreadyOnStundenzettel = array();
    $stzIsToday = false;
    if ($stundenzettel_id > 0 && $stundenzettelObj) {
        $stzDateStr = date('Y-m-d', $stundenzettelObj->date_stundenzettel);
        $todayStr = date('Y-m-d');
        $stzIsToday = ($stzDateStr == $todayStr);

        // Nur wenn der Stundenzettel von heute ist, die bereits vorhandenen Produkte laden
        if ($stzIsToday) {
            $sqlExisting = "SELECT sp.fk_commandedet FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
            $sqlExisting .= " WHERE sp.fk_stundenzettel = ".((int)$stundenzettel_id);
            $sqlExisting .= " AND sp.fk_commandedet IS NOT NULL AND sp.fk_commandedet > 0";
            $resqlExisting = $db->query($sqlExisting);
            if ($resqlExisting) {
                while ($objExisting = $db->fetch_object($resqlExisting)) {
                    $alreadyOnStundenzettel[$objExisting->fk_commandedet] = true;
                }
            }
        }
    }

    // Hilfsfunktion für Produktzeile - gibt true zurück wenn angezeigt, false wenn übersprungen
    $printProductRow = function($obj, $color = null, $sectionId = null) use ($langs, $filter, $alreadyOnStundenzettel) {
        $qty_added = isset($obj->qty_added) ? (float)$obj->qty_added : 0;
        $qty_removed = isset($obj->qty_removed) ? (float)$obj->qty_removed : 0;

        // Effektive Gesamtmenge = Original + Hinzugefügt - Entfallen
        $effectiveTotal = $obj->qty + $qty_added - $qty_removed;
        $remaining = $effectiveTotal - $obj->qty_delivered;
        $isDone = ($remaining <= 0);

        // Filter anwenden
        if ($filter == 'open' && $isDone) {
            return false;
        }
        if ($filter == 'done' && !$isDone) {
            return false;
        }
        // 'all' zeigt alles

        // Styling: Nur erste Zelle bekommt border-left
        $styleFirst = $color ? ' style="border-left: 4px solid '.$color.';"' : '';
        $sectionClass = $sectionId ? ' section-product section_'.$sectionId : '';

        print '<tr class="oddeven'.$sectionClass.'">';

        // Checkbox (nur bei offenen anzeigen UND wenn noch nicht auf diesem Stundenzettel)
        $isAlreadyOnStz = isset($alreadyOnStundenzettel[$obj->rowid]);
        print '<td class="center"'.$styleFirst.'>';
        if (!$isDone && !$isAlreadyOnStz) {
            print '<input type="checkbox" name="selected[]" value="'.$obj->rowid.'" class="product-checkbox">';
        } elseif ($isAlreadyOnStz) {
            print '<span class="fas fa-check" style="color: #28a745;" title="'.$langs->trans("AlreadyOnStundenzettel").'"></span>';
        }
        print '</td>';

        // Produkt
        print '<td>';
        if ($obj->fk_product > 0) {
            print '<a href="'.DOL_URL_ROOT.'/product/card.php?id='.$obj->fk_product.'">';
            print img_picto('', 'product', 'class="pictofixedwidth"');
            print $obj->product_ref.' - '.$obj->product_label;
            print '</a>';
        } else {
            // Freitext-Produkt: Beschreibung anzeigen
            print img_picto('', 'generic', 'class="pictofixedwidth"');
            $desc = !empty($obj->description) ? strip_tags($obj->description) : '-';
            // Beschreibung kürzen wenn zu lang
            if (strlen($desc) > 80) {
                $desc = substr($desc, 0, 77).'...';
            }
            print '<span class="opacitymedium">'.$desc.'</span>';
        }
        print '</td>';

        // Menge bestellt - zeigt Gesamtzahl mit Info über Änderungen
        print '<td class="right">';
        // Gesamtzahl (effektiv) als Hauptzahl
        print '<strong>'.formatQty($effectiveTotal).'</strong>';
        // Änderungen als kleine Info-Badges
        if ($qty_added > 0) {
            print ' <span class="badge" style="background-color: #28a745; color: #fff; font-size: 0.75em;" title="'.$langs->trans("AdditionalQty").'">+'.formatQty($qty_added).'</span>';
        }
        if ($qty_removed > 0) {
            print ' <span class="badge" style="background-color: #dc3545; color: #fff; font-size: 0.75em;" title="'.$langs->trans("Entfaellt").'">-'.formatQty($qty_removed).'</span>';
        }
        print '</td>';

        // Menge geliefert/verbaut
        print '<td class="right">'.formatQty($obj->qty_delivered).'</td>';

        // Verbleibend
        print '<td class="right">';
        if ($remaining > 0) {
            print '<span class="badge badge-warning">'.formatQty($remaining).'</span>';
        } elseif ($remaining == 0) {
            print '<span class="badge badge-success">0</span>';
        } else {
            // Mehr verbaut als bestellt
            print '<span class="badge badge-info">'.formatQty($remaining).'</span>';
        }
        print '</td>';

        // Status
        print '<td>';
        if ($isDone) {
            print '<span class="badge badge-success">'.$langs->trans("TrackingDone").'</span>';
        } elseif ($obj->qty_delivered > 0) {
            print '<span class="badge badge-warning">'.$langs->trans("TrackingPartial").'</span>';
        } else {
            print '<span class="badge badge-secondary">'.$langs->trans("TrackingOpen").'</span>';
        }
        print '</td>';

        print '</tr>';

        return true;
    };

    $totalProducts = 0;

    // Sections mit Produkten anzeigen
    foreach ($sections as $sectionId => $section) {
        $sectionProducts = $products_by_section[$sectionId];
        if (count($sectionProducts) == 0) continue;

        // Prüfen, wie viele Produkte nach Filter angezeigt werden
        $visibleProductsInSection = 0;
        foreach ($sectionProducts as $prod) {
            $prodQtyAdded = isset($prod->qty_added) ? (float)$prod->qty_added : 0;
            $prodQtyRemoved = isset($prod->qty_removed) ? (float)$prod->qty_removed : 0;
            $prodEffectiveTotal = $prod->qty + $prodQtyAdded - $prodQtyRemoved;
            $remaining = $prodEffectiveTotal - $prod->qty_delivered;
            $isDone = ($remaining <= 0);

            // Filter-Logik
            if ($filter == 'open' && !$isDone) {
                $visibleProductsInSection++;
            } elseif ($filter == 'done' && $isDone) {
                $visibleProductsInSection++;
            } elseif ($filter == 'all') {
                $visibleProductsInSection++;
            }
        }

        // Section nur anzeigen wenn Produkte nach Filter vorhanden
        if ($visibleProductsInSection == 0) continue;

        // Section-Header mit Buffering, wird nur ausgegeben wenn Produkte angezeigt werden
        // Dezente Farbgebung: nur linker Rand farbig, heller Hintergrund
        $sectionHeader = '<tr class="liste_titre section-header" data-section="section_'.$sectionId.'" onclick="toggleSection(\'section_'.$sectionId.'\')" style="cursor: pointer;">';
        $sectionHeader .= '<td colspan="6" style="font-weight: bold; padding: 8px; border-left: 4px solid '.$section['color'].'; background-color: #f8f8f8;">';
        $sectionHeader .= '<span class="section-toggle" id="toggle_section_'.$sectionId.'" style="margin-right: 10px;">▼</span>';
        $sectionHeader .= dol_escape_htmltag($section['title']);
        $sectionHeader .= ' <span style="opacity: 0.6; font-weight: normal;">('.$visibleProductsInSection.' '.$langs->trans("Products").')</span>';
        $sectionHeader .= '</td>';
        $sectionHeader .= '</tr>';

        print $sectionHeader;

        // Produkte dieser Section
        foreach ($sectionProducts as $prod) {
            if ($printProductRow($prod, $section['color'], $sectionId)) {
                $totalProducts++;
            }
        }
    }

    // Produkte ohne Section
    $visibleProductsWithoutSection = 0;
    foreach ($products_without_section as $prod) {
        $prodQtyAdded = isset($prod->qty_added) ? (float)$prod->qty_added : 0;
        $prodQtyRemoved = isset($prod->qty_removed) ? (float)$prod->qty_removed : 0;
        $prodEffectiveTotal = $prod->qty + $prodQtyAdded - $prodQtyRemoved;
        $remaining = $prodEffectiveTotal - $prod->qty_delivered;
        $isDone = ($remaining <= 0);

        // Filter-Logik
        if ($filter == 'open' && !$isDone) {
            $visibleProductsWithoutSection++;
        } elseif ($filter == 'done' && $isDone) {
            $visibleProductsWithoutSection++;
        } elseif ($filter == 'all') {
            $visibleProductsWithoutSection++;
        }
    }

    if ($visibleProductsWithoutSection > 0) {
        if (count($sections) > 0) {
            // Trennzeile nur wenn es auch Sections gibt - einklappbar, dezente Farbgebung
            print '<tr class="liste_titre section-header" data-section="section_other" onclick="toggleSection(\'section_other\')" style="cursor: pointer;">';
            print '<td colspan="6" style="font-weight: bold; padding: 8px; border-left: 4px solid #666; background-color: #f8f8f8;">';
            print '<span class="section-toggle" id="toggle_section_other" style="margin-right: 10px;">▼</span>';
            print $langs->trans("OtherProducts").' <span style="opacity: 0.6; font-weight: normal;">('.$visibleProductsWithoutSection.' '.$langs->trans("Products").')</span>';
            print '</td>';
            print '</tr>';
        }

        foreach ($products_without_section as $prod) {
            if ($printProductRow($prod, null, 'other')) {
                $totalProducts++;
            }
        }
    }

    if ($totalProducts == 0) {
        print '<tr class="oddeven"><td colspan="6" class="opacitymedium">'.$langs->trans("AllProductsDocumented").'</td></tr>';
    }

    // =============================================
    // BEREICH: MEHRAUFWAND-PRODUKTE (aus allen Stundenzetteln dieses Auftrags)
    // =============================================
    // Mehraufwand umfasst:
    // 1. origin='additional' → Mehraufwand-Bestellung (Beauftragt)
    // 2. origin='added' ohne fk_commandedet → Produkt nicht im Auftrag, in Produktliste hinzugefügt (Verbaut)
    // Logik:
    // - Wenn NUR 'added' existiert: Beauftragt = Verbaut = Menge
    // - Wenn 'additional' existiert: Beauftragt von 'additional', Verbaut von 'added'
    $sqlMehraufwand = "SELECT sp.fk_product, sp.product_ref, sp.product_label, sp.description,";
    // qty_additional = Menge aus Mehraufwand-Zeilen
    $sqlMehraufwand .= " SUM(CASE WHEN sp.origin = 'additional' THEN sp.qty_done ELSE 0 END) as qty_additional,";
    // qty_added = Menge aus Produktliste (nicht im Auftrag)
    $sqlMehraufwand .= " SUM(CASE WHEN sp.origin = 'added' AND (sp.fk_commandedet IS NULL OR sp.fk_commandedet = 0) THEN sp.qty_done ELSE 0 END) as qty_added,";
    $sqlMehraufwand .= " GROUP_CONCAT(DISTINCT s.ref SEPARATOR ', ') as stundenzettel_refs";
    $sqlMehraufwand .= " FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
    $sqlMehraufwand .= " INNER JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
    $sqlMehraufwand .= " WHERE s.fk_commande = ".((int)$order->id);
    // Beide Typen: Mehraufwand ODER hinzugefügt ohne Auftragszeile
    $sqlMehraufwand .= " AND (sp.origin = 'additional' OR (sp.origin = 'added' AND (sp.fk_commandedet IS NULL OR sp.fk_commandedet = 0)))";
    $sqlMehraufwand .= " GROUP BY sp.fk_product, sp.product_ref, sp.product_label, sp.description";
    $sqlMehraufwand .= " ORDER BY sp.product_ref, sp.description";

    $resqlMehraufwand = $db->query($sqlMehraufwand);
    $mehraufwandCount = 0;
    if ($resqlMehraufwand) {
        $mehraufwandCount = $db->num_rows($resqlMehraufwand);
    }

    if ($mehraufwandCount > 0) {
        // Mehraufwand-Header - einklappbar, dezente Farbgebung
        print '<tr class="liste_titre section-header" data-section="section_mehraufwand" onclick="toggleSection(\'section_mehraufwand\')" style="cursor: pointer;">';
        print '<td colspan="6" style="font-weight: bold; padding: 8px; border-left: 4px solid #e67e22; background-color: #f8f8f8;">';
        print '<span class="section-toggle" id="toggle_section_mehraufwand" style="margin-right: 10px;">▼</span>';
        print '<span style="margin-right: 10px; color: #e67e22;">⚠</span>';
        print $langs->trans("Mehraufwand");
        print ' <span style="opacity: 0.6; font-weight: normal;">('.$mehraufwandCount.' '.$langs->trans("Products").')</span>';
        print '</td>';
        print '</tr>';

        while ($objMa = $db->fetch_object($resqlMehraufwand)) {
            // Logik für Beauftragt und Verbaut:
            // - qty_additional = Menge aus Mehraufwand-Zeilen (origin='additional')
            // - qty_added = Menge aus Produktliste ohne Auftragszeile (origin='added', kein fk_commandedet)
            // Wenn NUR 'added' existiert: Beauftragt = Verbaut = qty_added
            // Wenn 'additional' existiert: Beauftragt = qty_additional, Verbaut = qty_added
            $qtyAdditional = (float)$objMa->qty_additional;
            $qtyAdded = (float)$objMa->qty_added;

            // Beauftragt: Wenn Mehraufwand existiert, dessen Menge nehmen, sonst die hinzugefügte Menge
            $qtyTarget = ($qtyAdditional > 0) ? $qtyAdditional : $qtyAdded;
            // Verbaut: Immer die hinzugefügte Menge (was tatsächlich installiert wurde)
            $qtyDone = $qtyAdded;

            $qtyRemaining = $qtyTarget - $qtyDone;  // Verbleibend

            // Product IDs für Checkbox holen (beide origin-Typen)
            $sqlIds = "SELECT GROUP_CONCAT(DISTINCT sp.rowid ORDER BY sp.rowid) as product_ids";
            $sqlIds .= " FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
            $sqlIds .= " INNER JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
            $sqlIds .= " WHERE s.fk_commande = ".((int)$order->id);
            $sqlIds .= " AND (sp.origin = 'additional' OR (sp.origin = 'added' AND (sp.fk_commandedet IS NULL OR sp.fk_commandedet = 0)))";
            if ($objMa->fk_product > 0) {
                $sqlIds .= " AND sp.fk_product = ".((int)$objMa->fk_product);
            } else {
                $sqlIds .= " AND sp.fk_product IS NULL AND sp.description = '".$db->escape($objMa->description)."'";
            }
            $resqlIds = $db->query($sqlIds);
            $productIds = '';
            if ($resqlIds && ($objIds = $db->fetch_object($resqlIds))) {
                $productIds = $objIds->product_ids;
            }

            $isDone = ($qtyRemaining <= 0 && $qtyDone > 0);

            print '<tr class="oddeven section-product section_mehraufwand">';

            // Checkbox - Mehraufwand immer anzeigen (für Auswahl/Übersicht)
            print '<td class="center">';
            if ($productIds) {
                print '<input type="checkbox" name="selected_mehraufwand[]" value="'.$productIds.'" class="product-checkbox">';
            }
            print '</td>';

            // Produkt
            print '<td>';
            if ($objMa->fk_product > 0) {
                print '<a href="'.DOL_URL_ROOT.'/product/card.php?id='.$objMa->fk_product.'">';
                print img_picto('', 'product', 'class="pictofixedwidth"');
                print $objMa->product_ref.' - '.$objMa->product_label;
                print '</a>';
            } else {
                print img_picto('', 'generic', 'class="pictofixedwidth"');
                $desc = !empty($objMa->description) ? strip_tags($objMa->description) : $langs->trans("FreeText");
                if (strlen($desc) > 80) {
                    $desc = substr($desc, 0, 77).'...';
                }
                print '<span class="opacitymedium">'.$desc.'</span>';
            }
            print ' <span class="badge badge-warning">'.$langs->trans("Mehraufwand").'</span>';
            print '</td>';

            // Menge beauftragt (Zielmenge - was verbaut werden soll)
            print '<td class="right">'.formatQty($qtyTarget).'</td>';

            // Menge tatsächlich verbaut
            print '<td class="right">'.formatQty($qtyDone).'</td>';

            // Verbleibend (Zielmenge - Verbaut)
            print '<td class="right">';
            if ($qtyRemaining > 0) {
                print '<span class="badge badge-warning">'.formatQty($qtyRemaining).'</span>';
            } elseif ($qtyRemaining < 0) {
                // Mehr verbaut als geplant
                print '<span class="badge badge-info">'.formatQty($qtyRemaining).'</span>';
            } else {
                print '<span class="badge badge-success">0</span>';
            }
            print '</td>';

            // Status
            print '<td>';
            if ($qtyDone > 0 && $qtyRemaining > 0) {
                print '<span class="badge badge-warning">'.$langs->trans("TrackingPartial").'</span>';
            } elseif ($qtyDone == 0) {
                print '<span class="badge badge-secondary">'.$langs->trans("TrackingOpen").'</span>';
            } else {
                print '<span class="badge badge-success">'.$langs->trans("TrackingDone").'</span>';
            }
            print ' <small class="opacitymedium" title="'.$objMa->stundenzettel_refs.'">('.$langs->trans("FromStundenzettel").')</small>';
            print '</td>';

            print '</tr>';
        }
    }

    // HINWEIS: Entfällt-Produkte werden nicht separat angezeigt
    // Die Entfällt-Mengen werden bereits in der Beauftragt-Spalte der normalen Produkte
    // als Abzug berücksichtigt (effectiveTotal = qty + qty_added - qty_removed)

    print '</table>';
    print '</div>';

    // Button nur anzeigen wenn nicht freigegeben
    if ($stundenzettelStatus == 0) {
        print '<div class="center" style="margin-top:20px;">';
        print '<input type="submit" class="button button-primary" value="'.$langs->trans("TransferProducts").'">';
        print '</div>';
    } elseif ($stundenzettelStatus == 1) {
        // Status 1: Freigegeben - zeige Meldung mit Wiedereröffnen-Button
        print '<div class="warning" style="margin-top:20px;">';
        print img_picto('', 'lock', 'class="pictofixedwidth"');
        print $langs->trans("StundenzettelReleasedNoChanges");
        print ' <a class="button small" href="'.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&action=reopen_stundenzettel" style="margin-left:10px;">';
        print img_picto('', 'unlock', 'class="pictofixedwidth"').$langs->trans("ReopenStundenzettel");
        print '</a>';
        print '</div>';
    } else {
        // Status 2: In Rechnung übertragen
        print '<div class="info" style="margin-top:20px;">';
        print img_picto('', 'check', 'class="pictofixedwidth"');
        print $langs->trans("StundenzettelTransferredToInvoice");
        print ' <a class="button small" href="'.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&action=reset_stundenzettel" style="margin-left:10px;">';
        print img_picto('', 'undo', 'class="pictofixedwidth"').$langs->trans("ResetStundenzettel");
        print '</a>';
        print '</div>';
    }

    print '</form>';

    // JavaScript für "Alle auswählen" und Section-Toggle
    print '<script>
    function toggleAll(source) {
        var checkboxes = document.getElementsByClassName("product-checkbox");
        for (var i = 0; i < checkboxes.length; i++) {
            checkboxes[i].checked = source.checked;
        }
    }

    // Section ein-/ausklappen
    function toggleSection(sectionId) {
        var rows = document.querySelectorAll("tr." + sectionId);
        var toggle = document.getElementById("toggle_" + sectionId);
        var isCollapsed = toggle.textContent.trim() === "▶";

        for (var i = 0; i < rows.length; i++) {
            rows[i].style.display = isCollapsed ? "" : "none";
        }
        toggle.textContent = isCollapsed ? "▼" : "▶";

        // Zustand in localStorage speichern
        saveSectionState(sectionId, !isCollapsed);
    }

    // Alle Sections ausklappen
    function expandAllSections() {
        var headers = document.querySelectorAll(".section-header");
        headers.forEach(function(header) {
            var sectionId = header.dataset.section;
            var rows = document.querySelectorAll("tr." + sectionId);
            var toggle = document.getElementById("toggle_" + sectionId);

            for (var i = 0; i < rows.length; i++) {
                rows[i].style.display = "";
            }
            if (toggle) toggle.textContent = "▼";
            saveSectionState(sectionId, false);
        });
    }

    // Alle Sections einklappen
    function collapseAllSections() {
        var headers = document.querySelectorAll(".section-header");
        headers.forEach(function(header) {
            var sectionId = header.dataset.section;
            var rows = document.querySelectorAll("tr." + sectionId);
            var toggle = document.getElementById("toggle_" + sectionId);

            for (var i = 0; i < rows.length; i++) {
                rows[i].style.display = "none";
            }
            if (toggle) toggle.textContent = "▶";
            saveSectionState(sectionId, true);
        });
    }

    // Zustand in localStorage speichern
    function saveSectionState(sectionId, collapsed) {
        var states = JSON.parse(localStorage.getItem("stz_sections_" + orderId) || "{}");
        states[sectionId] = collapsed;
        localStorage.setItem("stz_sections_" + orderId, JSON.stringify(states));
    }

    // Zustand beim Laden wiederherstellen
    document.addEventListener("DOMContentLoaded", function() {
        var states = JSON.parse(localStorage.getItem("stz_sections_" + orderId) || "{}");
        for (var sectionId in states) {
            if (states[sectionId]) {
                var rows = document.querySelectorAll("tr." + sectionId);
                var toggle = document.getElementById("toggle_" + sectionId);

                for (var i = 0; i < rows.length; i++) {
                    rows[i].style.display = "none";
                }
                if (toggle) toggle.textContent = "▶";
            }
        }
    });
    </script>';

    // =============================================
    // AKTIONSBUTTONS FÜR STUNDENZETTEL-FREIGABE
    // =============================================
    if ($stundenzettelStatus < 2) {
        print '<div class="tabsAction" style="margin-top: 20px;">';

        if ($stundenzettelStatus == 0) {
            // Status: Offen - Zeige Freigeben-Button wenn Stundenzettel vorhanden
            if ($hasStundenzettel && $allValidated) {
                if ($hasRemainingProducts) {
                    // Mit Warnung
                    print '<a class="butActionDelete" href="'.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&action=confirm_release_warning">';
                    print img_picto('', 'lock', 'class="pictofixedwidth"').$langs->trans("ReleaseStundenzettel");
                    print '</a>';
                } else {
                    print '<a class="butAction" href="'.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&action=release_stundenzettel">';
                    print img_picto('', 'lock', 'class="pictofixedwidth"').$langs->trans("ReleaseStundenzettel");
                    print '</a>';
                }
            } elseif ($hasStundenzettel && !$allValidated) {
                print '<span class="butActionRefused" title="'.$langs->trans("AllStundenzettelMustBeValidated").'">';
                print img_picto('', 'lock', 'class="pictofixedwidth"').$langs->trans("ReleaseStundenzettel");
                print '</span>';
            }
        } elseif ($stundenzettelStatus == 1) {
            // Status: Freigegeben - Zeige Wiedereröffnen und Rechnung-Button
            print '<a class="butAction" href="'.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&action=reopen_stundenzettel">';
            print img_picto('', 'unlock', 'class="pictofixedwidth"').$langs->trans("ReopenStundenzettel");
            print '</a>';

            if ($user->hasRight('facture', 'creer')) {
                print '<a class="butAction" href="'.$_SERVER['PHP_SELF'].'?id='.$order->id.'&tab=products&noredirect=1&action=transfer_invoice">';
                print img_picto('', 'bill', 'class="pictofixedwidth"').$langs->trans("TransferToInvoice");
                print '</a>';
            }
        }

        print '</div>';
    }
}

// =============================================
// TAB: LIEFERAUFLISTUNG / TRACKING
// =============================================
if ($tab == 'tracking') {
    $total_ordered = 0;
    $total_delivered = 0;
    $total_remaining = 0;

    // Alle Stundenzettel-Details pro Produkt laden (für ausklappbare Ansicht)
    $trackingDetails = array(); // Array[fk_commandedet] => array of entries
    $sqlDetails = "SELECT sp.rowid, sp.fk_stundenzettel, sp.fk_commandedet, sp.fk_product,";
    $sqlDetails .= " sp.qty_done, sp.origin, sp.description,";
    $sqlDetails .= " s.ref as stz_ref, s.date_stundenzettel";
    $sqlDetails .= " FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
    $sqlDetails .= " INNER JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
    $sqlDetails .= " WHERE s.fk_commande = ".((int)$order->id);
    $sqlDetails .= " AND sp.qty_done > 0";
    $sqlDetails .= " ORDER BY s.date_stundenzettel DESC, sp.rowid";
    $resqlDetails = $db->query($sqlDetails);
    if ($resqlDetails) {
        while ($objD = $db->fetch_object($resqlDetails)) {
            // Key-Logik: fk_commandedet > prod_X > freetext_hash
            if ($objD->fk_commandedet > 0) {
                $key = $objD->fk_commandedet;
            } elseif ($objD->fk_product > 0) {
                $key = 'prod_'.$objD->fk_product;
            } else {
                // Freitext: Hash der Beschreibung als Key
                $key = 'freetext_'.md5(trim($objD->description));
            }
            if (!isset($trackingDetails[$key])) {
                $trackingDetails[$key] = array();
            }
            $trackingDetails[$key][] = $objD;
        }
    }

    // Buttons für Details anzeigen/verbergen
    print '<div class="marginbottomonly" style="display:flex; justify-content:flex-end; gap:10px;">';
    print '<button type="button" class="button small" onclick="expandAllTrackingDetails()" title="'.$langs->trans("ShowDetails").'">';
    print '<span class="fas fa-list"></span> '.$langs->trans("ShowDetails");
    print '</button>';
    print '<button type="button" class="button small" onclick="collapseAllTrackingDetails()" title="'.$langs->trans("HideDetails").'">';
    print '<span class="fas fa-minus"></span> '.$langs->trans("HideDetails");
    print '</button>';
    print '</div>';

    print '<div class="div-table-responsive-no-min">';
    print '<table class="noborder centpercent" id="tracking-table">';
    print '<tr class="liste_titre">';
    print '<th>'.$langs->trans("Product").'</th>';
    print '<th class="right">'.$langs->trans("QtyOrdered").'</th>';
    print '<th class="right">'.$langs->trans("QtyDelivered").'</th>';
    print '<th class="right">'.$langs->trans("QtyRemaining").'</th>';
    print '<th>'.$langs->trans("Status").'</th>';
    print '</tr>';

    // Live-Berechnung aus allen Stundenzetteln (inkl. Entwürfe)
    $sql = "SELECT cd.rowid, cd.fk_product, cd.qty as qty_ordered, cd.description,";
    $sql .= " p.ref as product_ref, p.label as product_label,";
    $sql .= " COALESCE((SELECT SUM(sp.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
    $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
    $sql .= "   WHERE sp.fk_commandedet = cd.rowid AND sp.origin IN ('order', 'added')), 0) as qty_delivered,";
    // Mehraufwand - nur für Produkte mit fk_product > 0 (Freitext-Mehraufwand wird separat angezeigt)
    $sql .= " COALESCE((SELECT SUM(sp2.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp2";
    $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s2 ON s2.rowid = sp2.fk_stundenzettel";
    $sql .= "   WHERE sp2.fk_product = cd.fk_product AND cd.fk_product > 0 AND sp2.origin = 'additional' AND s2.fk_commande = ".((int)$order->id)."), 0) as qty_additional,";
    // Entfällt - für Produkte via fk_product, für Freitext via fk_commandedet
    $sql .= " COALESCE((SELECT SUM(sp3.qty_done) FROM ".MAIN_DB_PREFIX."stundenzettel_product sp3";
    $sql .= "   JOIN ".MAIN_DB_PREFIX."stundenzettel s3 ON s3.rowid = sp3.fk_stundenzettel";
    $sql .= "   WHERE sp3.origin = 'omitted' AND s3.fk_commande = ".((int)$order->id);
    $sql .= "   AND ((sp3.fk_product = cd.fk_product AND cd.fk_product > 0) OR sp3.fk_commandedet = cd.rowid)), 0) as qty_omitted";
    $sql .= " FROM ".MAIN_DB_PREFIX."commandedet as cd";
    $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."product as p ON p.rowid = cd.fk_product";
    $sql .= " WHERE cd.fk_commande = ".((int)$order->id);
    $sql .= " AND (cd.fk_product > 0 OR (cd.fk_product = 0 AND cd.description IS NOT NULL AND cd.description != ''))";
    $sql .= " AND (cd.special_code IS NULL OR cd.special_code = 0)";
    $sql .= " ORDER BY cd.rang";

    $resql = $db->query($sql);
    $detailRowId = 0;
    if ($resql) {
        $num = $db->num_rows($resql);
        if ($num > 0) {
            while ($obj = $db->fetch_object($resql)) {
                $detailRowId++;
                $qty_additional = (float)$obj->qty_additional;
                $qty_omitted = (float)$obj->qty_omitted;
                $effective_ordered = $obj->qty_ordered + $qty_additional - $qty_omitted;
                $qty_remaining = $effective_ordered - $obj->qty_delivered;

                // Details für dieses Produkt
                $details = isset($trackingDetails[$obj->rowid]) ? $trackingDetails[$obj->rowid] : array();
                // Falls keine Details über fk_commandedet, versuche über fk_product
                if (empty($details) && $obj->fk_product > 0) {
                    $prodKey = 'prod_'.$obj->fk_product;
                    if (isset($trackingDetails[$prodKey])) {
                        $details = $trackingDetails[$prodKey];
                    }
                }
                $hasDetails = !empty($details);

                print '<tr class="oddeven">';

                // Produkt mit Toggle
                print '<td>';
                if ($hasDetails) {
                    print '<span class="tracking-toggle" onclick="toggleTrackingDetails(\'tdetail_'.$detailRowId.'\')" style="cursor:pointer; margin-right:5px;">';
                    print '<span class="fas fa-chevron-right tracking-arrow" id="tarrow_tdetail_'.$detailRowId.'"></span>';
                    print '</span>';
                }
                if ($obj->fk_product > 0) {
                    print '<a href="'.DOL_URL_ROOT.'/product/card.php?id='.$obj->fk_product.'">';
                    print img_picto('', 'product', 'class="pictofixedwidth"');
                    print $obj->product_ref.' - '.$obj->product_label;
                    print '</a>';
                } else {
                    print img_picto('', 'generic', 'class="pictofixedwidth"');
                    $desc = !empty($obj->description) ? strip_tags($obj->description) : '-';
                    if (strlen($desc) > 60) $desc = substr($desc, 0, 57).'...';
                    print '<span class="opacitymedium">'.$desc.'</span>';
                }
                print '</td>';

                // Bestellt (mit Badges für Mehraufwand/Entfällt)
                print '<td class="right">';
                print '<strong>'.formatQty($effective_ordered).'</strong>';
                if ($qty_additional > 0) {
                    print ' <span class="badge" style="background-color: #28a745; color: #fff; font-size: 0.75em;" title="'.$langs->trans("Mehraufwand").'">+'.formatQty($qty_additional).'</span>';
                }
                if ($qty_omitted > 0) {
                    print ' <span class="badge" style="background-color: #dc3545; color: #fff; font-size: 0.75em;" title="'.$langs->trans("Entfaellt").'">-'.formatQty($qty_omitted).'</span>';
                }
                print '</td>';
                $total_ordered += $effective_ordered;

                // Geliefert/Erfasst
                print '<td class="right">'.formatQty($obj->qty_delivered).'</td>';
                $total_delivered += $obj->qty_delivered;

                // Verbleibend
                print '<td class="right">';
                if ($qty_remaining > 0) {
                    print '<span class="badge badge-warning">'.formatQty($qty_remaining).'</span>';
                } elseif ($qty_remaining == 0) {
                    print '<span class="badge badge-success">0</span>';
                } else {
                    print '<span class="badge badge-info">'.formatQty($qty_remaining).'</span>';
                }
                print '</td>';
                $total_remaining += $qty_remaining;

                // Status
                print '<td>';
                if ($qty_remaining <= 0) {
                    print '<span class="badge badge-success">'.$langs->trans("TrackingDone").'</span>';
                } elseif ($obj->qty_delivered > 0) {
                    print '<span class="badge badge-warning">'.$langs->trans("TrackingPartial").'</span>';
                } else {
                    print '<span class="badge badge-secondary">'.$langs->trans("TrackingOpen").'</span>';
                }
                print '</td>';

                print '</tr>';

                // Detail-Zeile (standardmäßig eingeklappt)
                if ($hasDetails) {
                    print '<tr id="tdetail_'.$detailRowId.'" class="tracking-detail-row" style="display:none;">';
                    print '<td colspan="5" style="padding: 0 0 0 30px; background-color: #fafafa;">';

                    // Sub-Tabelle für Details
                    print '<table class="noborder" style="width:100%; margin: 5px 0;">';
                    print '<tr class="liste_titre" style="background-color: #f0f0f0;">';
                    print '<th style="width:120px;">'.$langs->trans("Stundenzettel").'</th>';
                    print '<th style="width:100px;">'.$langs->trans("Date").'</th>';
                    print '<th style="width:100px;">'.$langs->trans("Type").'</th>';
                    print '<th class="right" style="width:80px;">'.$langs->trans("Qty").'</th>';
                    print '<th>'.$langs->trans("Reason").'</th>';
                    print '</tr>';

                    foreach ($details as $det) {
                        print '<tr class="oddeven">';

                        // Stundenzettel-Referenz mit Link
                        print '<td>';
                        print '<a href="'.dol_buildpath('/stundenzettel/card.php', 1).'?id='.$det->fk_stundenzettel.'">';
                        print $det->stz_ref;
                        print '</a>';
                        print '</td>';

                        // Datum
                        print '<td>'.dol_print_date($db->jdate($det->date_stundenzettel), 'day').'</td>';

                        // Typ (origin)
                        print '<td>';
                        switch ($det->origin) {
                            case 'order':
                            case 'added':
                                print '<span class="badge badge-primary">'.$langs->trans("QtyDelivered").'</span>';
                                break;
                            case 'additional':
                                print '<span class="badge badge-success">'.$langs->trans("Mehraufwand").'</span>';
                                break;
                            case 'omitted':
                                print '<span class="badge badge-danger">'.$langs->trans("Entfaellt").'</span>';
                                break;
                            default:
                                print $det->origin;
                        }
                        print '</td>';

                        // Menge
                        print '<td class="right">'.formatQty($det->qty_done).'</td>';

                        // Grund/Beschreibung
                        print '<td>';
                        if (!empty($det->description)) {
                            print dol_escape_htmltag($det->description);
                        } else {
                            print '<span class="opacitymedium">-</span>';
                        }
                        print '</td>';

                        print '</tr>';
                    }

                    print '</table>';
                    print '</td>';
                    print '</tr>';
                }
            }

            // Summenzeile
            print '<tr class="liste_total">';
            print '<td><strong>'.$langs->trans("Total").'</strong></td>';
            print '<td class="right"><strong>'.formatQty($total_ordered).'</strong></td>';
            print '<td class="right"><strong>'.formatQty($total_delivered).'</strong></td>';
            print '<td class="right"><strong>'.formatQty($total_remaining).'</strong></td>';
            print '<td></td>';
            print '</tr>';

        } else {
            print '<tr class="oddeven"><td colspan="5" class="opacitymedium">'.$langs->trans("NoRecordFound").'</td></tr>';
        }
    }

    // =============================================
    // ZUSÄTZLICHE PRODUKTE: Mehraufwand die NICHT im Auftrag sind
    // (Produkte und Freitext die direkt als Mehraufwand hinzugefügt wurden)
    // =============================================

    // Alle Produkt-IDs aus dem Auftrag sammeln (für Ausschluss)
    $orderProductIds = array();
    $sqlOrderProds = "SELECT fk_product FROM ".MAIN_DB_PREFIX."commandedet WHERE fk_commande = ".((int)$order->id)." AND fk_product > 0";
    $resOrderProds = $db->query($sqlOrderProds);
    if ($resOrderProds) {
        while ($objOP = $db->fetch_object($resOrderProds)) {
            $orderProductIds[] = $objOP->fk_product;
        }
    }

    // Mehraufwand-Produkte laden die NICHT im Auftrag sind
    $sqlMehraufwand = "SELECT sp.fk_product, sp.description,";
    $sqlMehraufwand .= " p.ref as product_ref, p.label as product_label,";
    $sqlMehraufwand .= " SUM(sp.qty) as qty_ordered,";
    $sqlMehraufwand .= " SUM(sp.qty_done) as qty_delivered";
    $sqlMehraufwand .= " FROM ".MAIN_DB_PREFIX."stundenzettel_product sp";
    $sqlMehraufwand .= " JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = sp.fk_stundenzettel";
    $sqlMehraufwand .= " LEFT JOIN ".MAIN_DB_PREFIX."product p ON p.rowid = sp.fk_product";
    $sqlMehraufwand .= " WHERE s.fk_commande = ".((int)$order->id);
    $sqlMehraufwand .= " AND sp.origin = 'additional'";
    if (!empty($orderProductIds)) {
        $sqlMehraufwand .= " AND (sp.fk_product NOT IN (".implode(',', $orderProductIds).") OR sp.fk_product = 0)";
    }
    $sqlMehraufwand .= " GROUP BY sp.fk_product, sp.description, p.ref, p.label";
    $sqlMehraufwand .= " ORDER BY p.ref, sp.description";

    $resqlMehr = $db->query($sqlMehraufwand);
    $hasMehraufwandProducts = false;

    if ($resqlMehr && $db->num_rows($resqlMehr) > 0) {
        // Separator-Zeile für Mehraufwand
        print '<tr class="liste_titre">';
        print '<td colspan="5" style="background-color: #e8f5e9;"><strong>'.$langs->trans("Mehraufwand").'</strong> <span class="opacitymedium">('.$langs->trans("MehraufwandDesc").')</span></td>';
        print '</tr>';

        while ($objMehr = $db->fetch_object($resqlMehr)) {
            $hasMehraufwandProducts = true;
            $detailRowId++;
            $qty_ordered_mehr = (float)$objMehr->qty_ordered;
            $qty_delivered_mehr = (float)$objMehr->qty_delivered;
            $qty_remaining_mehr = $qty_ordered_mehr - $qty_delivered_mehr;

            // Details für Mehraufwand laden
            $detailsMehr = array();
            if ($objMehr->fk_product > 0) {
                $prodKey = 'prod_'.$objMehr->fk_product;
                if (isset($trackingDetails[$prodKey])) {
                    $detailsMehr = $trackingDetails[$prodKey];
                }
            } else {
                // Freitext: Hash der Beschreibung als Key
                $freetextKey = 'freetext_'.md5(trim($objMehr->description));
                if (isset($trackingDetails[$freetextKey])) {
                    $detailsMehr = $trackingDetails[$freetextKey];
                }
            }
            $hasDetailsMehr = !empty($detailsMehr);

            print '<tr class="oddeven">';

            // Produkt/Beschreibung
            print '<td>';
            if ($hasDetailsMehr) {
                print '<span class="tracking-toggle" onclick="toggleTrackingDetails(\'tdetail_'.$detailRowId.'\')" style="cursor:pointer; margin-right:5px;">';
                print '<span class="fas fa-chevron-right tracking-arrow" id="tarrow_tdetail_'.$detailRowId.'"></span>';
                print '</span>';
            }
            print '<span class="badge badge-success" style="margin-right:5px;">'.$langs->trans("Mehraufwand").'</span>';
            if ($objMehr->fk_product > 0) {
                print '<a href="'.DOL_URL_ROOT.'/product/card.php?id='.$objMehr->fk_product.'">';
                print img_picto('', 'product', 'class="pictofixedwidth"');
                print $objMehr->product_ref.' - '.$objMehr->product_label;
                print '</a>';
            } else {
                // Freitext
                print img_picto('', 'generic', 'class="pictofixedwidth"');
                $desc = !empty($objMehr->description) ? strip_tags($objMehr->description) : '-';
                if (strlen($desc) > 50) $desc = substr($desc, 0, 47).'...';
                print '<span class="opacitymedium">'.$desc.'</span>';
            }
            print '</td>';

            // Bestellt (Mehraufwand-Menge)
            print '<td class="right"><strong>'.formatQty($qty_ordered_mehr).'</strong></td>';
            $total_ordered += $qty_ordered_mehr;

            // Geliefert
            print '<td class="right">'.formatQty($qty_delivered_mehr).'</td>';
            $total_delivered += $qty_delivered_mehr;

            // Verbleibend
            print '<td class="right">';
            if ($qty_remaining_mehr > 0) {
                print '<span class="badge badge-warning">'.formatQty($qty_remaining_mehr).'</span>';
            } elseif ($qty_remaining_mehr == 0) {
                print '<span class="badge badge-success">0</span>';
            } else {
                print '<span class="badge badge-info">'.formatQty($qty_remaining_mehr).'</span>';
            }
            print '</td>';
            $total_remaining += $qty_remaining_mehr;

            // Status
            print '<td>';
            if ($qty_remaining_mehr <= 0) {
                print '<span class="badge badge-success">'.$langs->trans("TrackingDone").'</span>';
            } elseif ($qty_delivered_mehr > 0) {
                print '<span class="badge badge-warning">'.$langs->trans("TrackingPartial").'</span>';
            } else {
                print '<span class="badge badge-secondary">'.$langs->trans("TrackingOpen").'</span>';
            }
            print '</td>';

            print '</tr>';

            // Detail-Zeile für Mehraufwand
            if ($hasDetailsMehr) {
                print '<tr id="tdetail_'.$detailRowId.'" class="tracking-detail-row" style="display:none;">';
                print '<td colspan="5" style="padding: 0 0 0 30px; background-color: #fafafa;">';
                print '<table class="noborder" style="width:100%; margin: 5px 0;">';
                print '<tr class="liste_titre" style="background-color: #f0f0f0;">';
                print '<th style="width:120px;">'.$langs->trans("Stundenzettel").'</th>';
                print '<th style="width:100px;">'.$langs->trans("Date").'</th>';
                print '<th style="width:100px;">'.$langs->trans("Type").'</th>';
                print '<th class="right" style="width:80px;">'.$langs->trans("Qty").'</th>';
                print '<th>'.$langs->trans("Reason").'</th>';
                print '</tr>';

                foreach ($detailsMehr as $det) {
                    print '<tr class="oddeven">';
                    print '<td><a href="'.dol_buildpath('/stundenzettel/card.php', 1).'?id='.$det->fk_stundenzettel.'">'.$det->stz_ref.'</a></td>';
                    print '<td>'.dol_print_date($db->jdate($det->date_stundenzettel), 'day').'</td>';
                    print '<td><span class="badge badge-success">'.$langs->trans("Mehraufwand").'</span></td>';
                    print '<td class="right">'.formatQty($det->qty_done).'</td>';
                    print '<td>'.((!empty($det->description)) ? dol_escape_htmltag($det->description) : '<span class="opacitymedium">-</span>').'</td>';
                    print '</tr>';
                }

                print '</table>';
                print '</td>';
                print '</tr>';
            }
        }

        // Neue Summenzeile mit Mehraufwand
        print '<tr class="liste_total">';
        print '<td><strong>'.$langs->trans("Total").' ('.$langs->trans("Mehraufwand").' '.$langs->trans("incl").')</strong></td>';
        print '<td class="right"><strong>'.formatQty($total_ordered).'</strong></td>';
        print '<td class="right"><strong>'.formatQty($total_delivered).'</strong></td>';
        print '<td class="right"><strong>'.formatQty($total_remaining).'</strong></td>';
        print '<td></td>';
        print '</tr>';
    }

    print '</table>';
    print '</div>';

    // JavaScript für Tracking-Details
    print '<script>
    function toggleTrackingDetails(detailId) {
        var detailRow = document.getElementById(detailId);
        var arrow = document.getElementById("tarrow_" + detailId);
        if (detailRow) {
            var isHidden = detailRow.style.display === "none";
            detailRow.style.display = isHidden ? "" : "none";
            if (arrow) {
                arrow.classList.toggle("fa-chevron-right", !isHidden);
                arrow.classList.toggle("fa-chevron-down", isHidden);
            }
        }
    }

    function expandAllTrackingDetails() {
        var detailRows = document.querySelectorAll(".tracking-detail-row");
        detailRows.forEach(function(row) {
            row.style.display = "";
            var arrow = document.getElementById("tarrow_" + row.id);
            if (arrow) {
                arrow.classList.remove("fa-chevron-right");
                arrow.classList.add("fa-chevron-down");
            }
        });
    }

    function collapseAllTrackingDetails() {
        var detailRows = document.querySelectorAll(".tracking-detail-row");
        detailRows.forEach(function(row) {
            row.style.display = "none";
            var arrow = document.getElementById("tarrow_" + row.id);
            if (arrow) {
                arrow.classList.remove("fa-chevron-down");
                arrow.classList.add("fa-chevron-right");
            }
        });
    }
    </script>';

    // =============================================
    // BEREICH: LEISTUNGEN / ARBEITSZEITEN
    // =============================================
    print '<div class="fichehalfleft" style="margin-top: 20px;">';
    print '<div class="titre inline-block">'.$langs->trans("Leistungen").' / '.$langs->trans("TotalHours").'</div>';

    // Leistungen nach Leistungsposition gruppiert laden
    $sqlLeistungen = "SELECT ";
    $sqlLeistungen .= " COALESCE(l.fk_product, 0) as service_id,";
    $sqlLeistungen .= " p.ref as service_ref, p.label as service_label,";
    $sqlLeistungen .= " SUM(l.duration) as total_minutes,";
    $sqlLeistungen .= " COUNT(l.rowid) as entry_count";
    $sqlLeistungen .= " FROM ".MAIN_DB_PREFIX."stundenzettel_leistung l";
    $sqlLeistungen .= " JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = l.fk_stundenzettel";
    $sqlLeistungen .= " LEFT JOIN ".MAIN_DB_PREFIX."product p ON p.rowid = l.fk_product";
    $sqlLeistungen .= " WHERE s.fk_commande = ".((int)$order->id);
    $sqlLeistungen .= " GROUP BY COALESCE(l.fk_product, 0), p.ref, p.label";
    $sqlLeistungen .= " ORDER BY p.ref, p.label";

    $resqlLeistungen = $db->query($sqlLeistungen);
    $totalMinutesAll = 0;

    print '<div class="div-table-responsive-no-min">';
    print '<table class="noborder centpercent">';
    print '<tr class="liste_titre">';
    print '<th>'.$langs->trans("DefaultService").'</th>';
    print '<th class="right">'.$langs->trans("TotalHours").'</th>';
    print '<th class="right">'.$langs->trans("Entries").'</th>';
    print '</tr>';

    if ($resqlLeistungen) {
        $numLeistungen = $db->num_rows($resqlLeistungen);
        if ($numLeistungen > 0) {
            while ($objL = $db->fetch_object($resqlLeistungen)) {
                $totalMinutesAll += $objL->total_minutes;
                $hours = floor($objL->total_minutes / 60);
                $mins = $objL->total_minutes % 60;

                print '<tr class="oddeven">';

                // Leistungsposition
                print '<td>';
                if ($objL->service_id > 0) {
                    print '<a href="'.DOL_URL_ROOT.'/product/card.php?id='.$objL->service_id.'">';
                    print img_picto('', 'service', 'class="pictofixedwidth"');
                    print $objL->service_ref.' - '.$objL->service_label;
                    print '</a>';
                } else {
                    print '<span class="opacitymedium">'.img_picto('', 'service', 'class="pictofixedwidth"').$langs->trans("NotSet").'</span>';
                }
                print '</td>';

                // Stunden
                print '<td class="right"><strong>'.sprintf('%d:%02d h', $hours, $mins).'</strong></td>';

                // Anzahl Einträge
                print '<td class="right">'.$objL->entry_count.'</td>';

                print '</tr>';
            }

            // Summenzeile
            $totalHours = floor($totalMinutesAll / 60);
            $totalMins = $totalMinutesAll % 60;
            print '<tr class="liste_total">';
            print '<td><strong>'.$langs->trans("Total").'</strong></td>';
            print '<td class="right"><strong>'.sprintf('%d:%02d h', $totalHours, $totalMins).'</strong></td>';
            print '<td class="right"></td>';
            print '</tr>';

        } else {
            print '<tr class="oddeven"><td colspan="3" class="opacitymedium">'.$langs->trans("NoRecordFound").'</td></tr>';
        }
    }

    print '</table>';
    print '</div>';

    // Details pro Stundenzettel
    print '<br>';
    print '<div class="titre inline-block">'.$langs->trans("Leistungen").' '.$langs->trans("perStundenzettel").'</div>';

    $sqlLeistDetail = "SELECT l.rowid, l.fk_stundenzettel, l.fk_product, l.date_leistung,";
    $sqlLeistDetail .= " l.time_start, l.time_end, l.duration, l.description,";
    $sqlLeistDetail .= " s.ref as stz_ref, s.date_stundenzettel,";
    $sqlLeistDetail .= " p.ref as service_ref, p.label as service_label";
    $sqlLeistDetail .= " FROM ".MAIN_DB_PREFIX."stundenzettel_leistung l";
    $sqlLeistDetail .= " JOIN ".MAIN_DB_PREFIX."stundenzettel s ON s.rowid = l.fk_stundenzettel";
    $sqlLeistDetail .= " LEFT JOIN ".MAIN_DB_PREFIX."product p ON p.rowid = l.fk_product";
    $sqlLeistDetail .= " WHERE s.fk_commande = ".((int)$order->id);
    $sqlLeistDetail .= " ORDER BY s.date_stundenzettel DESC, l.date_leistung, l.time_start";

    $resqlLeistDetail = $db->query($sqlLeistDetail);

    print '<div class="div-table-responsive-no-min">';
    print '<table class="noborder centpercent">';
    print '<tr class="liste_titre">';
    print '<th>'.$langs->trans("Stundenzettel").'</th>';
    print '<th>'.$langs->trans("Date").'</th>';
    print '<th>'.$langs->trans("LeistungTimeStart").' - '.$langs->trans("LeistungTimeEnd").'</th>';
    print '<th class="right">'.$langs->trans("LeistungDuration").'</th>';
    print '<th>'.$langs->trans("DefaultService").'</th>';
    print '<th>'.$langs->trans("Description").'</th>';
    print '</tr>';

    if ($resqlLeistDetail) {
        $numDetail = $db->num_rows($resqlLeistDetail);
        if ($numDetail > 0) {
            while ($objLD = $db->fetch_object($resqlLeistDetail)) {
                $hours = floor($objLD->duration / 60);
                $mins = $objLD->duration % 60;

                print '<tr class="oddeven">';

                // Stundenzettel
                print '<td>';
                print '<a href="'.dol_buildpath('/stundenzettel/card.php', 1).'?id='.$objLD->fk_stundenzettel.'">';
                print $objLD->stz_ref;
                print '</a>';
                print '</td>';

                // Datum
                print '<td>'.dol_print_date($db->jdate($objLD->date_leistung), 'day').'</td>';

                // Zeit
                print '<td>';
                if ($objLD->time_start && $objLD->time_end) {
                    print substr($objLD->time_start, 0, 5).' - '.substr($objLD->time_end, 0, 5);
                } else {
                    print '<span class="opacitymedium">-</span>';
                }
                print '</td>';

                // Dauer
                print '<td class="right">'.sprintf('%d:%02d h', $hours, $mins).'</td>';

                // Leistungsposition
                print '<td>';
                if ($objLD->fk_product > 0) {
                    print '<span class="badge badge-primary">'.$objLD->service_ref.'</span>';
                } else {
                    print '<span class="opacitymedium">-</span>';
                }
                print '</td>';

                // Beschreibung
                print '<td>';
                if (!empty($objLD->description)) {
                    $desc = strip_tags($objLD->description);
                    if (strlen($desc) > 50) $desc = substr($desc, 0, 47).'...';
                    print dol_escape_htmltag($desc);
                } else {
                    print '<span class="opacitymedium">-</span>';
                }
                print '</td>';

                print '</tr>';
            }
        } else {
            print '<tr class="oddeven"><td colspan="6" class="opacitymedium">'.$langs->trans("NoRecordFound").'</td></tr>';
        }
    }

    print '</table>';
    print '</div>';
    print '</div>'; // fichehalfleft

    // Button: In Rechnung übertragen (nur wenn alles erledigt)
    if ($total_remaining <= 0 && $total_delivered > 0) {
        print '<div class="center clearboth" style="margin-top:20px;">';
        print '<a class="butAction" href="?id='.$order->id.'&action=transfer_to_invoice">';
        print img_picto('', 'bill', 'class="pictofixedwidth"').$langs->trans("TransferToInvoice");
        print '</a>';
        print '</div>';
    }
}

print '</div>'; // fichecenter

dol_fiche_end();

llxFooter();
$db->close();