import { assign } from 'lodash';
import isMobile from 'ismobilejs';

import { http } from '../services';
import { userStore, preferenceStore, artistStore, songStore, playlistStore, queueStore, settingStore } from '.';

export const sharedStore = {
  state: {
    songs: [],
    albums: [],
    artists: [],
    favorites: [],
    queued: [],
    interactions: [],
    users: [],
    settings: [],
    currentUser: null,
    playlists: [],
    useLastfm: false,
    allowDownload: false,
    currentVersion: '',
    latestVersion: '',
    cdnUrl: '',
  },

  init() {
    this.reset();

    return new Promise((resolve, reject) => {
      http.get('data', r => {
        const data = r.data;

        // Don't allow downloading on mobile devices
        data.allowDownload = data.allowDownload && !isMobile.any;

        assign(this.state, data);

        // If this is a new user, initialize his preferences to be an empty object.
        if (!this.state.currentUser.preferences) {
          this.state.currentUser.preferences = {};
        }

        userStore.init(this.state.users, this.state.currentUser);
        preferenceStore.init(this.state.preferences);
        artistStore.init(this.state.artists); // This will init album and song stores as well.
        songStore.initInteractions(this.state.interactions);
        playlistStore.init(this.state.playlists);
        queueStore.init();
        settingStore.init(this.state.settings);

        resolve(r)
      }, r => reject(r));
    });
  },

  reset() {
    this.state.songs = [];
    this.state.albums = [];
    this.state.artists = [];
    this.state.favorites = [];
    this.state.queued = [];
    this.state.interactions = [];
    this.state.users = [];
    this.state.settings = [];
    this.state.currentUser = null;
    this.state.playlists = [];
    this.state.useLastfm = false;
    this.state.allowDownload = false;
    this.state.currentVersion = '';
    this.state.latestVersion = '';
    this.state.cdnUrl = '';
  },
};