<?php
/* Copyright (C) 2026      Eduard Wisch    <data@data-it-solution.de>
 *
 * AJAX: Produktmenge aktualisieren
 */

if (!defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL', '1');
if (!defined('NOREQUIREMENU')) define('NOREQUIREMENU', '1');
if (!defined('NOREQUIREHTML')) define('NOREQUIREHTML', '1');
if (!defined('NOREQUIREAJAX')) define('NOREQUIREAJAX', '1');

// 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");

dol_include_once('/stundenzettel/class/stundenzettel.class.php');

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

// Security check
if (!$user->hasRight('stundenzettel', 'write')) {
    echo json_encode(array('success' => false, 'error' => 'Permission denied'));
    exit;
}

$stundenzettel_id = GETPOST('stundenzettel_id', 'int');
$line_id = GETPOST('line_id', 'int');
$qty_done = (float)price2num(GETPOST('qty_done', 'alpha'));

if (empty($stundenzettel_id) || empty($line_id)) {
    echo json_encode(array('success' => false, 'error' => 'Missing parameters'));
    exit;
}

$stundenzettel = new Stundenzettel($db);
if ($stundenzettel->fetch($stundenzettel_id) <= 0) {
    echo json_encode(array('success' => false, 'error' => 'Stundenzettel not found'));
    exit;
}

// Nur im Entwurf bearbeitbar
if ($stundenzettel->status != Stundenzettel::STATUS_DRAFT) {
    echo json_encode(array('success' => false, 'error' => 'Stundenzettel is not in draft status'));
    exit;
}

$result = $stundenzettel->updateProductQty($line_id, $qty_done);

if ($result > 0) {
    echo json_encode(array(
        'success' => true,
        'qty_done' => $qty_done
    ));
} else {
    echo json_encode(array('success' => false, 'error' => 'Failed to update qty'));
}