<?php
define('NOTOKENRENEWAL', 1);

$res = 0;
if (!$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) die("Include of main fails");
require_once __DIR__.'/../lib/subtotaltitle.lib.php';
require_once __DIR__.'/../class/DocumentTypeHelper.class.php';

header('Content-Type: application/json');

$textline_id = GETPOST('textline_id', 'int');
$text = GETPOST('text', 'restricthtml');

subtotaltitle_debug_log('edit_textline: id=' . $textline_id);

if (!$textline_id || !$text) {
    echo json_encode(array('success' => false, 'error' => 'Missing parameters'));
    exit;
}

// Hole erst document_type und FK zur Detail-Tabelle
$sql_get = "SELECT document_type, fk_facturedet, fk_propaldet, fk_commandedet FROM ".MAIN_DB_PREFIX."facture_lines_manager";
$sql_get .= " WHERE rowid = ".(int)$textline_id;
$sql_get .= " AND line_type = 'text'";
$resql = $db->query($sql_get);
$obj = $db->fetch_object($resql);

if (!$obj) {
    echo json_encode(array('success' => false, 'error' => 'Textline not found'));
    exit;
}

$docType = $obj->document_type ?: 'invoice';
$tables = DocumentTypeHelper::getTableNames($docType);

// Ermittle FK zur Detail-Tabelle basierend auf Dokumenttyp
$fk_detail = null;
if ($docType == 'invoice' && $obj->fk_facturedet > 0) {
    $fk_detail = $obj->fk_facturedet;
} elseif ($docType == 'propal' && $obj->fk_propaldet > 0) {
    $fk_detail = $obj->fk_propaldet;
} elseif ($docType == 'order' && $obj->fk_commandedet > 0) {
    $fk_detail = $obj->fk_commandedet;
}

// Update Manager-Tabelle
$sql = "UPDATE ".MAIN_DB_PREFIX."facture_lines_manager";
$sql .= " SET title = '".$db->escape($text)."'";
$sql .= " WHERE rowid = ".(int)$textline_id;
$sql .= " AND line_type = 'text'";

if (!$db->query($sql)) {
    echo json_encode(array('success' => false, 'error' => $db->lasterror()));
    exit;
}

// Falls in Detail-Tabelle vorhanden, dort auch updaten
if ($fk_detail > 0 && $tables) {
    $sql_fd = "UPDATE ".MAIN_DB_PREFIX.$tables['lines_table'];
    $sql_fd .= " SET description = '".$db->escape($text)."'";
    $sql_fd .= " WHERE rowid = ".(int)$fk_detail;
    $db->query($sql_fd);
    subtotaltitle_debug_log('Textzeile + Detail geaendert (docType='.$docType.')');
} else {
    subtotaltitle_debug_log('Textzeile geaendert (nicht in Detail-Tabelle)');
}

echo json_encode(array('success' => true, 'synced_detail' => ($fk_detail > 0)));