class ApiException implements Exception {
  final String message;
  final int? statusCode;
  final Map<String, dynamic>? errors;

  ApiException(this.message, {this.statusCode, this.errors});

  @override
  String toString() => 'ApiException($statusCode): $message';
}

class UnauthorizedException extends ApiException {
  UnauthorizedException([String? message])
      : super(message ?? 'Требуется авторизация', statusCode: 401);
}

class NotFoundException extends ApiException {
  NotFoundException([String? message])
      : super(message ?? 'Ресурс не найден', statusCode: 404);
}

class ValidationException extends ApiException {
  ValidationException([String? message, Map<String, dynamic>? errors])
      : super(message ?? 'Ошибка валидации',
            statusCode: 422, errors: errors);
}

class ServerException extends ApiException {
  ServerException([String? message])
      : super(message ?? 'Внутренняя ошибка сервера', statusCode: 500);
}

class NetworkException extends ApiException {
  NetworkException([String? message])
      : super(message ?? 'Ошибка сети', statusCode: null);
}

class TariffLimitException extends ApiException {
  TariffLimitException([String? message])
      : super(message ?? 'Достигнут лимит тарифа', statusCode: 403);
}