<?php
// Admin/transit/route/pending.php — قائمة الخطوط المسودة بانتظار الاعتماد
// POST: — (اختياري: org_id للفلترة)

require_once __DIR__ . '/../../../connect.php';

if ($role !== 'admin' && $role !== 'super_admin') {
    jsonError('Unauthorized: Admin access required', 403);
}

try { $transit_con = Database::get('transit'); }
catch (Exception $e) { jsonError('Transit service unavailable', 503); }

require_once __DIR__ . '/../../../transit/functions.php';

$orgIdFilter = filterRequest('org_id', 'int');

$sql = "SELECT r.id, r.org_id, r.name_ar, r.name_en, r.direction, r.distance_km,
               r.duration_min, r.status, r.created_at,
               o.name_ar AS org_name, o.type AS org_type, o.country,
               (SELECT COUNT(*) FROM transit_stops s WHERE s.route_id = r.id) AS stops_count
        FROM transit_routes r
        JOIN transit_orgs o ON o.id = r.org_id
        WHERE r.status = 'draft'";

$params = [];
if ($orgIdFilter) {
    $sql .= " AND r.org_id = ?";
    $params[] = $orgIdFilter;
}
$sql .= " ORDER BY r.created_at DESC LIMIT 100";

$st = $transit_con->prepare($sql);
$st->execute($params);
$routes = $st->fetchAll();

// جلب محطات كل خط للمعاينة
$stStops = $transit_con->prepare(
    "SELECT id, sequence, name_ar, latitude, longitude, is_major
     FROM transit_stops WHERE route_id=? ORDER BY sequence ASC"
);
foreach ($routes as &$r) {
    $stStops->execute([$r['id']]);
    $r['stops'] = $stStops->fetchAll();
}
unset($r);

jsonSuccess(['routes' => $routes, 'total' => count($routes)]);