// transit_driver_models.dart — نماذج بيانات مواصلاتي (جهة سائق الباص)

class TransitStopInfo {
  final int sequence;
  final String nameAr;
  final double latitude;
  final double longitude;
  final double geofenceRadius; // متر
  final int? etaOffsetMin;

  TransitStopInfo({
    required this.sequence,
    required this.nameAr,
    required this.latitude,
    required this.longitude,
    this.geofenceRadius = 150,
    this.etaOffsetMin,
  });

  factory TransitStopInfo.fromJson(Map<String, dynamic> j) => TransitStopInfo(
        sequence: int.tryParse(j['sequence'].toString()) ?? 0,
        nameAr: j['name_ar']?.toString() ?? '',
        latitude: double.tryParse(j['latitude']?.toString() ?? '0') ?? 0,
        longitude: double.tryParse(j['longitude']?.toString() ?? '0') ?? 0,
        geofenceRadius: double.tryParse(j['geofence_radius']?.toString() ?? '150') ?? 150,
        etaOffsetMin: j['eta_offset_min'] == null
            ? null
            : int.tryParse(j['eta_offset_min'].toString()),
      );
}

// alias للتوافق مع كود الجيوفينس
typedef TransitStop = TransitStopInfo;

class TransitDriverTrip {
  final int id;
  final int routeId;
  final String status; // scheduled | started | completed | cancelled | no_show
  final int delayMinutes;
  final int? currentStopSeq;
  final String routeName;
  final String? departureTime;
  final String? vehiclePlate;
  final int? capacity;
  final List<TransitStopInfo> stops;

  TransitDriverTrip({
    required this.id,
    required this.routeId,
    required this.status,
    required this.delayMinutes,
    required this.routeName,
    this.currentStopSeq,
    this.departureTime,
    this.vehiclePlate,
    this.capacity,
    this.stops = const [],
  });

  factory TransitDriverTrip.fromJson(Map<String, dynamic> j) => TransitDriverTrip(
        id: int.tryParse(j['id'].toString()) ?? 0,
        routeId: int.tryParse(j['route_id']?.toString() ?? '0') ?? 0,
        status: j['status']?.toString() ?? '',
        delayMinutes: int.tryParse(j['delay_minutes']?.toString() ?? '0') ?? 0,
        currentStopSeq: j['current_stop_seq'] == null
            ? null
            : int.tryParse(j['current_stop_seq'].toString()),
        routeName: j['route_name']?.toString() ?? '',
        departureTime: j['departure_time']?.toString(),
        vehiclePlate: j['vehicle_plate']?.toString(),
        capacity: j['capacity'] == null ? null : int.tryParse(j['capacity'].toString()),
        stops: (j['stops'] is List)
            ? (j['stops'] as List)
                .map((s) => TransitStopInfo.fromJson(Map<String, dynamic>.from(s)))
                .toList()
            : const [],
      );
}