/* Copyright 2019 Thomas Schneider
 *
 * This file is a part of Fedilab
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with Fedilab; if not,
 * see <http://www.gnu.org/licenses>. */
package app.fedilab.android.asynctasks;

import android.content.Context;
import android.content.SharedPreferences;
import android.database.sqlite.SQLiteDatabase;
import android.os.Handler;
import android.os.Looper;

import java.lang.ref.WeakReference;

import app.fedilab.android.client.APIResponse;
import app.fedilab.android.client.Entities.Account;
import app.fedilab.android.client.Entities.Playlist;
import app.fedilab.android.client.PeertubeAPI;
import app.fedilab.android.helper.Helper;
import app.fedilab.android.interfaces.OnPlaylistActionInterface;
import app.fedilab.android.sqlite.AccountDAO;
import app.fedilab.android.sqlite.Sqlite;


/**
 * Created by Thomas on 26/05/2019.
 * Async works to manage Playlists
 */

public class ManagePlaylistsAsyncTask {

    private final OnPlaylistActionInterface listener;
    private final action apiAction;
    private final WeakReference<Context> contextReference;
    private final String max_id;
    private final Playlist playlist;
    private final String videoId;
    private APIResponse apiResponse;
    private int statusCode;

    public ManagePlaylistsAsyncTask(Context context, action apiAction, Playlist playlist, String videoId, String max_id, OnPlaylistActionInterface onPlaylistActionInterface) {
        contextReference = new WeakReference<>(context);
        this.listener = onPlaylistActionInterface;
        this.apiAction = apiAction;
        this.max_id = max_id;
        this.playlist = playlist;
        this.videoId = videoId;
        doInBackground();
    }

    protected void doInBackground() {

        new Thread(() -> {
            SharedPreferences sharedpreferences = contextReference.get().getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
            String userId = sharedpreferences.getString(Helper.PREF_KEY_ID, null);
            String instance = sharedpreferences.getString(Helper.PREF_INSTANCE, Helper.getLiveInstance(contextReference.get()));
            SQLiteDatabase db = Sqlite.getInstance(contextReference.get().getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
            Account account = new AccountDAO(contextReference.get(), db).getUniqAccount(userId, instance);
            if (apiAction == action.GET_PLAYLIST) {
                apiResponse = new PeertubeAPI(contextReference.get()).getPlayists(account.getUsername());
            } else if (apiAction == action.GET_LIST_VIDEOS) {
                apiResponse = new PeertubeAPI(contextReference.get()).getPlaylistVideos(playlist.getId(), max_id, null);
            } else if (apiAction == action.DELETE_PLAYLIST) {
                statusCode = new PeertubeAPI(contextReference.get()).deletePlaylist(playlist.getId());
            } else if (apiAction == action.ADD_VIDEOS) {
                statusCode = new PeertubeAPI(contextReference.get()).addVideoPlaylist(playlist.getId(), videoId);
            } else if (apiAction == action.DELETE_VIDEOS) {
                statusCode = new PeertubeAPI(contextReference.get()).deleteVideoPlaylist(playlist.getId(), videoId);
            } else if (apiAction == action.GET_PLAYLIST_FOR_VIDEO) {
                apiResponse = new PeertubeAPI(contextReference.get()).getPlaylistForVideo(videoId);
            }
            Handler mainHandler = new Handler(Looper.getMainLooper());
            Runnable myRunnable = () -> listener.onActionDone(this.apiAction, apiResponse, statusCode);
            mainHandler.post(myRunnable);
        }).start();

    }


    public enum action {
        GET_PLAYLIST,
        GET_LIST_VIDEOS,
        CREATE_PLAYLIST,
        DELETE_PLAYLIST,
        UPDATE_PLAYLIST,
        ADD_VIDEOS,
        DELETE_VIDEOS,
        GET_PLAYLIST_FOR_VIDEO,
    }

}