# All files / src/services favorites.ts

36.66% Statements 22/60
56.25% Branches 9/16
28.57% Functions 4/14
37.73% Lines 20/53

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     import apiService from './api';
    import { ApiResult } from '@/types';

    export type ContentType = 'movie' | 'series' | 'channel';

    export interface FavoritesData {
      movies: string[];
      series: string[];
      channels: string[];
      music_tracks: string[];
      music_albums: string[];
      music_artists: string[];
    }

    interface BackendResponse<T> {
      success: boolean;
      data?: T | null;
      error?: string | null;
    }

    interface FavoriteRecord {
      id: number;
      user_id: number;
      content_type: ContentType;
      content_id: string;
      created_at: string;
    }

    export interface AddFavoriteRequest {
      content_type: ContentType;
      content_id: string;
    }

    class FavoritesService {
      private baseUrl = '/api/user/favorites';

      /**
       * Get all favorites for the current user
       */
      async getFavorites(): Promise<FavoritesData> {
        try {
          const response = await apiService.get<BackendResponse<FavoritesData>>(this.baseUrl);
          return this.unwrap(response, 'Error fetching favorites', () => this.createEmptyFavorites());
        } catch (error) {
          console.error('Error fetching favorites:', error);
          throw error;
        }
      }

      /**
       * Add a favorite
       */
      async addFavorite(contentType: ContentType, contentId: string): Promise<boolean> {
        try {
          const request: AddFavoriteRequest = {
            content_type: contentType,
            content_id: contentId};
          const response = await apiService.post<BackendResponse<FavoriteRecord>>(this.baseUrl, request);
          this.unwrap(response, 'Error adding favorite');
          return true;
        } catch (error) {
          console.error('Error adding favorite:', error);
          throw error;
        }
      }

      /**
       * Remove a favorite
       */
      async removeFavorite(contentType: ContentType, contentId: string): Promise<boolean> {
        try {
          const response = await apiService.delete<BackendResponse<boolean>>(
            `${this.baseUrl}/${contentType}/${contentId}`
          );
          return this.unwrap(response, 'Error removing favorite', () => false);
        } catch (error) {
          console.error('Error removing favorite:', error);
          throw error;
        }
      }

      /**
       * Check if content is favorited
       */
      async isFavorite(contentType: ContentType, contentId: string): Promise<boolean> {
        try {
          const response = await apiService.get<BackendResponse<boolean>>(
            `${this.baseUrl}/check/${contentType}/${contentId}`
          );
          return this.unwrap(response, 'Error checking favorite', () => false);
        } catch (error) {
          console.error('Error checking favorite:', error);
          return false;
        }
      }

      /**
       * Get favorites by type
       */
      async getFavoritesByType(contentType: ContentType): Promise<string[]> {
        try {
          const response = await apiService.get<BackendResponse<string[]>>(
            `${this.baseUrl}/type/${contentType}`
          );
          return this.unwrap(response, 'Error fetching favorites by type', () => []);
        } catch (error) {
          console.error('Error fetching favorites by type:', error);
          return [];
        }
      }

      /**
       * Get favorites statistics
       */
      async getFavoritesStats(): Promise<Record<string, number>> {
        try {
          const response = await apiService.get<BackendResponse<Record<string, number>>>(`${this.baseUrl}/stats`);
          return this.unwrap(response, 'Error fetching favorites stats', () => ({}));
        } catch (error) {
          console.error('Error fetching favorites stats:', error);
          return {};
        }
      }

      /**
       * Toggle favorite status
       */
      async toggleFavorite(contentType: ContentType, contentId: string): Promise<boolean> {
        const isFav = await this.isFavorite(contentType, contentId);
        if (isFav) {
          await this.removeFavorite(contentType, contentId);
          return false;
        } else {
          await this.addFavorite(contentType, contentId);
          return true;
        }
      }

      private unwrap<T>(
        response: ApiResult<BackendResponse<T>>,
        errorMessage: string,
        fallback?: () => T
      ): T {
        Iif (!response.success) {
          throw new Error(response.error?.details ?? errorMessage);
        }

        const payload = response.data;
        if (!payload?.success) {
          throw new Error(payload?.error ?? errorMessage);
        }

        if (payload.data === undefined || payload.data === null) {
          Eif (fallback) {
            return fallback();
          }
          throw new Error(errorMessage);
        }

        return payload.data;
      }

      private createEmptyFavorites(): FavoritesData {
        return {
          movies: [],
          series: [],
          channels: [],
          music_tracks: [],
          music_albums: [],
          music_artists: []};
      }
    }

    export const favoritesService = new FavoritesService();
    export default favoritesService;