import 'package:dio/dio.dart';
import 'package:eatvio_app/features/notifications/models/notification_model.dart';

class NotificationsService {
  final Dio dio;
  NotificationsService(this.dio);

  Future<Map<String, dynamic>?> getNotifications({required int page}) async {
    try {
      final response = await dio.get('/api/profile/notifications?page=$page');
      if (response.statusCode == 200) {
        final data = response.data['data'] as List<dynamic>;

        final notifications = data.map((notificationJson) {
          try {
            // Улучшенная логика определения типа уведомления
            String? stringifiedType;

            // Сначала проверяем поле 'type' в корне JSON
            if (notificationJson.containsKey('type') && notificationJson['type'] != null) {
              stringifiedType = notificationJson['type'].toString();
            }
            // Затем проверяем поле 'notification_class_name' в корне JSON
            else if (notificationJson.containsKey('notification_class_name') && notificationJson['notification_class_name'] != null) {
              stringifiedType = notificationJson['notification_class_name'].toString();
            }
            // Если есть поле 'data', проверяем внутри него
            else if (notificationJson.containsKey('data') && notificationJson['data'] is Map<String, dynamic>) {
              final data = notificationJson['data'] as Map<String, dynamic>;
              if (data.containsKey('type') && data['type'] != null) {
                stringifiedType = data['type'].toString();
              } else if (data.containsKey('notification_class_name') && data['notification_class_name'] != null) {
                stringifiedType = data['notification_class_name'].toString();
              }
            }

            final readDate = notificationJson['read_at'];
            final createdAt = notificationJson['created_at'];
            final type = stringifiedType != null ? NotificationType.getTypeFromString(stringifiedType) : NotificationType.unknown;

            return switch (type) {
              NotificationType.planSubscriptionStartedToAuthor => PlanSubscriptionStartedToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.planSubscriptionCanceledToAuthor => PlanSubscriptionCanceledToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanStartedToClientNotification => ChosenPlanStartedToClientNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanTomorrowReminderToClientNotification => ChosenPlanTomorrowReminderToClientNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.diaryReminderNotification => DiaryReminderNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantLeftComment => ConsultantLeftCommentNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.personalizedDietIsDefined => PersonalizedDietIsDefinedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanFinishedToClient => ChosenPlanFinishedToClientNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.planSubscriptionCanceledToCustomer => PlanSubscriptionCanceledToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanStartedToConsultantNotification => ChosenPlanStartedToConsultantNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanTomorrowReminderToConsultantNotification => ChosenPlanTomorrowReminderToConsultantNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.planSubscriptionPaidToAuthor => PlanSubscriptionPaidToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanFinishedToConsultant => ChosenPlanFinishedToConsultantNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanLastDayFinishedForUser => ChosenPlanLastDayFinishedForUser.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              // Новые типы уведомлений
              NotificationType.chosenPlanConsultantLastDayStarted => ChosenPlanConsultantLastDayStarted.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.complaintToModerationForUser => ComplaintToModerationForUser.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.commentReplied => CommentReplied.fromJson(notificationJson['data'], type, isRead: readDate != null, createdAt: createdAt),
              NotificationType.scoreAdded => ScoreAdded.fromJson(notificationJson['data'], type, isRead: readDate != null, createdAt: createdAt),
              NotificationType.entityCommented => EntityCommented.fromJson(notificationJson['data'], type, isRead: readDate != null, createdAt: createdAt),
              // Новые типы уведомлений
              NotificationType.planSubscriptionExpired => PlanSubscriptionExpiredNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.planSubscriptionRenewed => PlanSubscriptionRenewedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantAssigned => ConsultantAssignedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantUnassigned => ConsultantUnassignedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.paymentFailed => PaymentFailedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.paymentSuccessful => PaymentSuccessfulNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.goalAchieved => GoalAchievedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.workoutReminder => WorkoutReminderNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.mealReminder => MealReminderNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              // New notification types
              NotificationType.dietCancelled => DietCancelledNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.dietStarted => DietStartedNotification.fromJson(notificationJson['data'], type, isRead: readDate != null, createdAt: createdAt),
              NotificationType.dietExpired => DietExpiredNotification.fromJson(notificationJson['data'], type, isRead: readDate != null, createdAt: createdAt),
              NotificationType.dietWillStartedIn => DietWillStartedInNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.dietCanNotBeStarted => DietCanNotBeStartedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.personalDietCreationNeeded => PersonalDietCreationNeededNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanClientLastDayFinished => ChosenPlanClientLastDayFinishedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanClientLastDayStarted => ChosenPlanClientLastDayStartedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.stayOnTrackToAuthor => StayOnTrackToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanStartedToClient => ChosenPlanStartedToClientNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientStartPlanSubscriptionToSubscriber => ClientStartPlanSubscriptionToSubscriberNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantConfirmPlanSubscriptionToSubscriber => ConsultantConfirmPlanSubscriptionToSubscriberNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientPaidPlanSubscriptionToAuthor => ClientPaidPlanSubscriptionToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanTomorrowReminderToClient => ChosenPlanTomorrowReminderToClientNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanTomorrowReminderToConsultant => ChosenPlanTomorrowReminderToConsultantNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.chosenPlanStartedToConsultant => ChosenPlanStartedToConsultantNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantLeftDiaryComment => ConsultantLeftDiaryCommentNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantConfirmPlanSubscriptionToAuthor => ConsultantConfirmPlanSubscriptionToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientPaidPlanSubscriptionToSubscriber => ClientPaidPlanSubscriptionToSubscriberNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientStartPlanSubscriptionToAuthor => ClientStartPlanSubscriptionToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientCancelPlanSubscriptionToAuthor => ClientCancelPlanSubscriptionToAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientCancelPlanSubscriptionToSubscriber => ClientCancelPlanSubscriptionToSubscriberNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.userDailyReportCompleted => UserDailyReportCompletedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.stayOnTrackToCustomer => StayOnTrackToCustomerNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.phoneChanged => PhoneChangedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.subscription => SubscriptionNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.badgeAwarded => BadgeAwardedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.badgeRevoked => BadgeRevokedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantRequestStarted => ConsultantRequestStartedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientCloseComplaintSuccess => ClientCloseComplaintSuccessNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientRefundSuccess => ClientRefundSuccessNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantRefundSuccess => ConsultantRefundSuccessNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.clientRejectSuccess => ClientRejectSuccessNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.consultantRejectSuccess => ConsultantRejectSuccessNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.scoreSubstracted => ScoreSubstractedNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.productStatusUpdatedForAuthor => ProductStatusUpdatedForAuthorNotification.fromJson(
                notificationJson['data'],
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.diaryReminderForUsers => DiaryReminderForUsersNotification.fromJson(
                notificationJson,
                type,
                isRead: readDate != null,
                createdAt: createdAt,
              ),
              NotificationType.unknown => UnknownNotification(type: type, createdAt: parseDate(createdAt)),
            };
          } catch (e) {
            return UnknownNotification(type: NotificationType.unknown, createdAt: DateTime.now());
          }
        }).toList();

        // Извлекаем информацию о пагинации из корня ответа
        final currentPage = response.data['current_page'] as int;
        final lastPage = response.data['last_page'] as int;
        final perPage = response.data['per_page'] as int;
        final total = response.data['total'] as int;

        return {
          'notifications': notifications,
          'pagination': {'current_page': currentPage, 'last_page': lastPage, 'per_page': perPage, 'total': total},
        };
      }
      return null;
    } catch (e) {
      rethrow;
    }
  }

  Future<void> markNotificationsAsRead() async {
    try {
      await dio.post('/api/profile/mark_notifications_as_readed');
    } catch (e) {
      rethrow;
    }
  }
}

DateTime parseDate(String date) => DateTime.parse(date).toLocal();