package code.name.monkey.retromusic.loaders;

import android.content.Context;
import android.support.annotation.NonNull;
import code.name.monkey.retromusic.model.Playlist;
import code.name.monkey.retromusic.model.smartplaylist.AbsSmartPlaylist;
import code.name.monkey.retromusic.model.smartplaylist.HistoryPlaylist;
import code.name.monkey.retromusic.model.smartplaylist.LastAddedPlaylist;
import code.name.monkey.retromusic.model.smartplaylist.MyTopTracksPlaylist;
import io.reactivex.Observable;
import java.util.ArrayList;

public class HomeLoader {

  public static Observable<ArrayList<AbsSmartPlaylist>> getRecentAndTopThings(
      @NonNull Context context) {
    ArrayList<AbsSmartPlaylist> objects = new ArrayList<>();
    return Observable.create(e -> {

      new HistoryPlaylist(context).getSongs(context).subscribe(songs -> {
        if (!songs.isEmpty()) {
          objects.add(new HistoryPlaylist(context));
        }
      });
      new LastAddedPlaylist(context).getSongs(context).subscribe(songs -> {
        if (!songs.isEmpty()) {
          objects.add(new LastAddedPlaylist(context));
        }
      });
      new MyTopTracksPlaylist(context).getSongs(context).subscribe(songs -> {
        if (!songs.isEmpty()) {
          objects.add(new MyTopTracksPlaylist(context));
        }
      });

      e.onNext(objects);
      e.onComplete();
    });
  }

  public static Observable<ArrayList<Playlist>> getHomeLoader(@NonNull Context context) {
    ArrayList<Playlist> playlists = new ArrayList<>();
    PlaylistLoader.getAllPlaylists(context)
        .subscribe(playlists1 -> {
          if (playlists1.size() > 0) {
            for (Playlist playlist : playlists1) {
              PlaylistSongsLoader.getPlaylistSongList(context, playlist)
                  .subscribe(songs -> {
                    if (songs.size() > 0) {
                      playlists.add(playlist);
                    }
                  });
            }
          }
        });
    return Observable.just(playlists);
  }


}