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 {
            final stringifiedType = notificationJson['data']['notification_class_name'];
            final readDate = notificationJson['read_at'];
            final createdAt = notificationJson['created_at'];
            final type = NotificationType.getTypeFromString(stringifiedType);

            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),
              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();