<?php
/**
 * Repariert fehlende Subtotal-Zeilen für existierende Sections
 */

define('NOTOKENRENEWAL', 1);
require '../../../main.inc.php';
require_once __DIR__.'/../lib/subtotaltitle.lib.php';
require_once __DIR__.'/../class/DocumentTypeHelper.class.php';

$facture_id = GETPOST('facture_id', 'int');
$docType = GETPOST('document_type', 'alpha');

if (!$facture_id || !$docType) {
    echo json_encode(['success' => false, 'error' => 'Missing parameters']);
    exit;
}

$tables = DocumentTypeHelper::getTableNames($docType);
if (!$tables) {
    echo json_encode(['success' => false, 'error' => 'Invalid document type']);
    exit;
}

$repaired = 0;

// Finde alle Sections, die keine Subtotal-Zeile haben
$sql = "SELECT s.rowid, s.title";
$sql .= " FROM ".MAIN_DB_PREFIX."facture_lines_manager s";
$sql .= " WHERE s.".$tables['fk_parent']." = ".(int)$facture_id;
$sql .= " AND s.document_type = '".$db->escape($docType)."'";
$sql .= " AND s.line_type = 'section'";
$sql .= " AND NOT EXISTS (";
$sql .= "   SELECT 1 FROM ".MAIN_DB_PREFIX."facture_lines_manager sub";
$sql .= "   WHERE sub.parent_section = s.rowid";
$sql .= "   AND sub.line_type = 'subtotal'";
$sql .= "   AND sub.document_type = '".$db->escape($docType)."'";
$sql .= " )";

$resql = $db->query($sql);

while ($section = $db->fetch_object($resql)) {
    subtotaltitle_debug_log('🔧 Repariere Section #'.$section->rowid.' ('.$section->title.') - erstelle Subtotal');

    // Hole nächste line_order
    $sql_max = "SELECT MAX(line_order) as max_order FROM ".MAIN_DB_PREFIX."facture_lines_manager";
    $sql_max .= " WHERE ".$tables['fk_parent']." = ".(int)$facture_id;
    $sql_max .= " AND document_type = '".$db->escape($docType)."'";
    $res_max = $db->query($sql_max);
    $obj_max = $db->fetch_object($res_max);
    $next_order = ($obj_max && $obj_max->max_order) ? $obj_max->max_order + 1 : 9999;

    $fk_facture = ($docType === 'invoice') ? (int)$facture_id : 'NULL';
    $fk_propal = ($docType === 'propal') ? (int)$facture_id : 'NULL';
    $fk_commande = ($docType === 'order') ? (int)$facture_id : 'NULL';

    $sql_ins = "INSERT INTO ".MAIN_DB_PREFIX."facture_lines_manager";
    $sql_ins .= " (fk_facture, fk_propal, fk_commande, document_type, line_type, title, parent_section, line_order, date_creation)";
    $sql_ins .= " VALUES (".$fk_facture.", ".$fk_propal.", ".$fk_commande.", '".$db->escape($docType)."', 'subtotal', 'Zwischensumme', ".(int)$section->rowid.", ".$next_order.", NOW())";

    if ($db->query($sql_ins)) {
        $repaired++;
        subtotaltitle_debug_log('✅ Subtotal-Zeile erstellt für Section #'.$section->rowid);
    } else {
        subtotaltitle_debug_log('❌ Fehler beim Erstellen der Subtotal-Zeile für Section #'.$section->rowid.': '.$db->lasterror());
    }
}

echo json_encode([
    'success' => true,
    'repaired' => $repaired,
    'message' => $repaired.' Subtotal-Zeilen erstellt'
]);