<?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';

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

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

subtotaltitle_debug_log('🗑️ delete_textline: id=' . $textline_id);

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

// 1. Hole facture_id BEVOR wir löschen
$sql = "SELECT fk_facture FROM ".MAIN_DB_PREFIX."facture_lines_manager";
$sql .= " WHERE rowid = ".(int)$textline_id;
$resql = $db->query($sql);

if (!$resql || $db->num_rows($resql) == 0) {
    echo json_encode(array('success' => false, 'error' => 'Textline not found'));
    exit;
}

$obj = $db->fetch_object($resql);
$facture_id = $obj->fk_facture;

// 2. DELETE ausführen
$sql = "DELETE FROM ".MAIN_DB_PREFIX."facture_lines_manager";
$sql .= " WHERE rowid = ".(int)$textline_id;
$sql .= " AND line_type = 'text'";

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

// 3. Lücken schließen
$sql = "SELECT rowid FROM ".MAIN_DB_PREFIX."facture_lines_manager
        WHERE fk_facture = ".(int)$facture_id."
        ORDER BY line_order";
$resql = $db->query($sql);

$new_order = 1;
while ($obj = $db->fetch_object($resql)) {
    $sql_upd = "UPDATE ".MAIN_DB_PREFIX."facture_lines_manager
                SET line_order = ".$new_order."
                WHERE rowid = ".(int)$obj->rowid;
    $db->query($sql_upd);
    $new_order++;
}

echo json_encode(array('success' => true));