class Dealer {
  Dealer({
    required this.id,
    required this.name,
    required this.code,
    this.district,
    this.address,
    this.phone,
  });

  final String id;
  final String name;
  final String code;
  final String? district;
  final String? address;
  final String? phone;

  factory Dealer.fromJson(Map<String, dynamic> json) {
    return Dealer(
      id: json['id'] as String,
      name: json['name'] as String,
      code: json['code'] as String,
      district: json['district'] as String?,
      address: json['address'] as String?,
      phone: json['phone'] as String?,
    );
  }
}

class AppUser {
  AppUser({
    required this.id,
    required this.name,
    required this.phone,
    required this.role,
    this.dealerId,
    this.assignedDealerIds = const [],
    this.dealers = const [],
  });

  final String id;
  final String name;
  final String phone;
  final String role;
  final String? dealerId;
  final List<String> assignedDealerIds;
  final List<Dealer> dealers;

  factory AppUser.fromJson(Map<String, dynamic> json) {
    return AppUser(
      id: json['id'] as String,
      name: json['name'] as String,
      phone: json['phone'] as String,
      role: json['role'] as String,
      dealerId: json['dealerId'] as String?,
      assignedDealerIds: ((json['assignedDealerIds'] as List?) ?? const [])
          .map((id) => id as String)
          .toList(),
      dealers: ((json['dealers'] as List?) ?? const [])
          .map((item) => Dealer.fromJson(item as Map<String, dynamic>))
          .toList(),
    );
  }
}

class LoginRequestItem {
  LoginRequestItem({
    required this.id,
    required this.name,
    required this.phone,
    this.dealerName,
    required this.createdAt,
  });

  final String id;
  final String name;
  final String phone;
  final String? dealerName;
  final DateTime createdAt;

  factory LoginRequestItem.fromJson(Map<String, dynamic> json) {
    final user = json['user'] as Map<String, dynamic>;
    return LoginRequestItem(
      id: json['id'] as String,
      name: user['name'] as String,
      phone: user['phone'] as String,
      dealerName: json['dealerName'] as String?,
      createdAt: DateTime.parse(json['createdAt'] as String),
    );
  }
}

class DealerLoginStatus {
  DealerLoginStatus({required this.status, this.token, this.user});

  final String status;
  final String? token;
  final AppUser? user;

  factory DealerLoginStatus.fromJson(Map<String, dynamic> json) {
    return DealerLoginStatus(
      status: json['status'] as String,
      token: json['token'] as String?,
      user: json['user'] is Map<String, dynamic>
          ? AppUser.fromJson(json['user'] as Map<String, dynamic>)
          : null,
    );
  }
}

class StockItem {
  StockItem({
    required this.id,
    required this.chassisNumber,
    required this.engineNumber,
    required this.model,
    required this.color,
    required this.currentDealerId,
    this.dealerName,
    required this.dateReceived,
    required this.currentStage,
    required this.stageLogDates,
    this.paymentType,
    this.leaseProviderType,
    this.financeCompanyName,
    this.plateNumber,
    required this.ageInDays,
    required this.badge,
  });

  final String id;
  final String chassisNumber;
  final String engineNumber;
  final String model;
  final String color;
  final String currentDealerId;
  final String? dealerName;
  final DateTime dateReceived;
  final String currentStage;
  final Map<String, DateTime> stageLogDates;
  final String? paymentType;
  final String? leaseProviderType;
  final String? financeCompanyName;
  final String? plateNumber;
  final int ageInDays;
  final String badge;

  factory StockItem.fromJson(Map<String, dynamic> json) {
    final rawLogs = json['stageLogDates'];
    final logs = <String, DateTime>{};
    if (rawLogs is Map) {
      rawLogs.forEach((key, value) {
        if (value != null) {
          logs[key.toString()] = DateTime.parse(value.toString());
        }
      });
    }
    return StockItem(
      id: json['id'] as String,
      chassisNumber: json['chassisNumber'] as String,
      engineNumber: json['engineNumber'] as String,
      model: json['model'] as String,
      color: json['color'] as String,
      currentDealerId: json['currentDealerId'] as String,
      dealerName: json['dealerName'] as String?,
      dateReceived: DateTime.parse(json['dateReceived'] as String),
      currentStage: json['currentStage'] as String,
      stageLogDates: logs,
      paymentType: json['paymentType'] as String?,
      leaseProviderType: json['leaseProviderType'] as String?,
      financeCompanyName: json['financeCompanyName'] as String?,
      plateNumber: json['plateNumber'] as String?,
      ageInDays: (json['ageInDays'] as num).toInt(),
      badge: json['badge'] as String,
    );
  }
}

class EventPlan {
  EventPlan({
    required this.id,
    required this.dealerId,
    this.dealerName,
    required this.planType,
    this.month,
    this.year,
    required this.title,
    required this.description,
    required this.expense,
    required this.imageUrls,
    required this.createdAt,
  });

  final String id;
  final String dealerId;
  final String? dealerName;
  final String planType;
  final int? month;
  final int? year;
  final String title;
  final String description;
  final double expense;
  final List<String> imageUrls;
  final DateTime createdAt;

  factory EventPlan.fromJson(Map<String, dynamic> json) {
    return EventPlan(
      id: json['id'] as String,
      dealerId: json['dealerId'] as String,
      dealerName: json['dealerName'] as String?,
      planType: json['planType'] as String,
      month: json['month'] as int?,
      year: json['year'] as int?,
      title: json['title'] as String,
      description: json['description'] as String,
      expense: (json['expense'] as num).toDouble(),
      imageUrls: ((json['imageUrls'] as List?) ?? const [])
          .map((url) => url as String)
          .toList(),
      createdAt: DateTime.parse(json['createdAt'] as String),
    );
  }
}

class ServicePoint {
  ServicePoint({
    required this.id,
    required this.name,
    required this.district,
    this.address,
    this.phone,
    this.notes,
  });

  final String id;
  final String name;
  final String district;
  final String? address;
  final String? phone;
  final String? notes;

  factory ServicePoint.fromJson(Map<String, dynamic> json) {
    return ServicePoint(
      id: json['id'] as String,
      name: json['name'] as String,
      district: json['district'] as String,
      address: json['address'] as String?,
      phone: json['phone'] as String?,
      notes: json['notes'] as String?,
    );
  }
}