// transit_models.dart — نماذج بيانات مواصلاتي (جهة الراكب)

class TransitOrg {
  final int id;
  final String type;
  final String nameAr;
  final String nameEn;
  final String? logoUrl;
  final String city;

  TransitOrg({
    required this.id,
    required this.type,
    required this.nameAr,
    required this.nameEn,
    required this.city,
    this.logoUrl,
  });

  factory TransitOrg.fromJson(Map<String, dynamic> j) => TransitOrg(
        id: int.tryParse(j['id'].toString()) ?? 0,
        type: j['type']?.toString() ?? '',
        nameAr: j['name_ar']?.toString() ?? '',
        nameEn: j['name_en']?.toString() ?? '',
        city: j['city']?.toString() ?? '',
        logoUrl: j['logo_url']?.toString(),
      );
}

class TransitEnrollment {
  final int id;
  final int orgId;
  final String orgName;
  final String status; // pending | active | suspended | expired
  final String verifyMethod;

  TransitEnrollment({
    required this.id,
    required this.orgId,
    required this.orgName,
    required this.status,
    required this.verifyMethod,
  });

  factory TransitEnrollment.fromActivateResponse(
          Map<String, dynamic> j, int orgId) =>
      TransitEnrollment(
        id: int.tryParse(j['enrollment_id'].toString()) ?? 0,
        orgId: orgId,
        orgName: j['org_name']?.toString() ?? '',
        status: j['status']?.toString() ?? 'pending',
        verifyMethod: j['verify_method']?.toString() ?? '',
      );
}

class TransitStop {
  final int id;
  final int sequence;
  final String nameAr;
  final double lat;
  final double lng;
  final int etaOffsetMin;
  final bool isMajor;

  TransitStop({
    required this.id,
    required this.sequence,
    required this.nameAr,
    required this.lat,
    required this.lng,
    required this.etaOffsetMin,
    required this.isMajor,
  });

  factory TransitStop.fromJson(Map<String, dynamic> j) => TransitStop(
        id: int.tryParse(j['id'].toString()) ?? 0,
        sequence: int.tryParse(j['sequence'].toString()) ?? 0,
        nameAr: j['name_ar']?.toString() ?? '',
        lat: double.tryParse(j['latitude']?.toString() ?? '0') ?? 0,
        lng: double.tryParse(j['longitude']?.toString() ?? '0') ?? 0,
        etaOffsetMin: int.tryParse(j['eta_offset_min']?.toString() ?? '0') ?? 0,
        isMajor: (j['is_major']?.toString() ?? '0') == '1',
      );
}

class TransitRouteSummary {
  final int id;
  final String nameAr;
  final String status;
  final int stopCount;

  TransitRouteSummary({
    required this.id,
    required this.nameAr,
    required this.status,
    required this.stopCount,
  });

  factory TransitRouteSummary.fromJson(Map<String, dynamic> j) =>
      TransitRouteSummary(
        id: int.tryParse(j['id'].toString()) ?? 0,
        nameAr: j['name_ar']?.toString() ?? '',
        status: j['status']?.toString() ?? '',
        stopCount: int.tryParse(j['stop_count']?.toString() ?? '0') ?? 0,
      );
}

class TransitLiveTrip {
  final int id;
  final String status;
  final int delayMinutes;
  final int? currentStopSeq;
  final String routeName;
  final String? departureTime;
  final String? driverName;

  TransitLiveTrip({
    required this.id,
    required this.status,
    required this.delayMinutes,
    required this.routeName,
    this.currentStopSeq,
    this.departureTime,
    this.driverName,
  });

  factory TransitLiveTrip.fromJson(Map<String, dynamic> j) => TransitLiveTrip(
        id: int.tryParse(j['id'].toString()) ?? 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(),
        driverName: j['driver_name']?.toString(),
      );
}

class BusPosition {
  final double lat;
  final double lng;
  final double heading;
  final double speed;
  final int? currentStopSeq;

  BusPosition({
    required this.lat,
    required this.lng,
    this.heading = 0,
    this.speed = 0,
    this.currentStopSeq,
  });

  factory BusPosition.fromJson(Map<dynamic, dynamic> j) => BusPosition(
        lat: double.tryParse(j['lat']?.toString() ?? '0') ?? 0,
        lng: double.tryParse(j['lng']?.toString() ?? '0') ?? 0,
        heading: double.tryParse(j['heading']?.toString() ?? '0') ?? 0,
        speed: double.tryParse(j['speed']?.toString() ?? '0') ?? 0,
        currentStopSeq: j['current_stop_seq'] == null
            ? null
            : int.tryParse(j['current_stop_seq'].toString()),
      );
}