import { apiClient } from '../client'

export interface Favorite {
  id: number
  user_id: number
  sound_id?: number
  playlist_id?: number
  created_at: string
  updated_at: string
}

export interface FavoriteCountsResponse {
  total: number
  sounds: number
  playlists: number
}

export interface FavoritesListResponse {
  favorites: Favorite[]
}

export class FavoritesService {
  /**
   * Add a sound to favorites
   */
  async addSoundFavorite(soundId: number): Promise<Favorite> {
    const response = await apiClient.post<Favorite>(`/api/v1/favorites/sounds/${soundId}`)
    return response
  }

  /**
   * Remove a sound from favorites
   */
  async removeSoundFavorite(soundId: number): Promise<void> {
    await apiClient.delete(`/api/v1/favorites/sounds/${soundId}`)
  }

  /**
   * Add a playlist to favorites
   */
  async addPlaylistFavorite(playlistId: number): Promise<Favorite> {
    const response = await apiClient.post<Favorite>(`/api/v1/favorites/playlists/${playlistId}`)
    return response
  }

  /**
   * Remove a playlist from favorites
   */
  async removePlaylistFavorite(playlistId: number): Promise<void> {
    await apiClient.delete(`/api/v1/favorites/playlists/${playlistId}`)
  }

  /**
   * Get all favorites for the current user
   */
  async getFavorites(limit = 50, offset = 0): Promise<Favorite[]> {
    const response = await apiClient.get<FavoritesListResponse>(
      `/api/v1/favorites/?limit=${limit}&offset=${offset}`
    )
    return response.favorites
  }

  /**
   * Get sound favorites for the current user
   */
  async getSoundFavorites(limit = 50, offset = 0): Promise<Favorite[]> {
    const response = await apiClient.get<FavoritesListResponse>(
      `/api/v1/favorites/sounds?limit=${limit}&offset=${offset}`
    )
    return response.favorites
  }

  /**
   * Get playlist favorites for the current user
   */
  async getPlaylistFavorites(limit = 50, offset = 0): Promise<Favorite[]> {
    const response = await apiClient.get<FavoritesListResponse>(
      `/api/v1/favorites/playlists?limit=${limit}&offset=${offset}`
    )
    return response.favorites
  }

  /**
   * Get favorite counts for the current user
   */
  async getFavoriteCounts(): Promise<FavoriteCountsResponse> {
    const response = await apiClient.get<FavoriteCountsResponse>('/api/v1/favorites/counts')
    return response
  }

  /**
   * Check if a sound is favorited
   */
  async isSoundFavorited(soundId: number): Promise<boolean> {
    const response = await apiClient.get<{ is_favorited: boolean }>(
      `/api/v1/favorites/sounds/${soundId}/check`
    )
    return response.is_favorited
  }

  /**
   * Check if a playlist is favorited
   */
  async isPlaylistFavorited(playlistId: number): Promise<boolean> {
    const response = await apiClient.get<{ is_favorited: boolean }>(
      `/api/v1/favorites/playlists/${playlistId}/check`
    )
    return response.is_favorited
  }
}

export const favoritesService = new FavoritesService()