/**
 * File: websocket-api.js
 * Author: Markus Grigull <mgrigull@eonerc.rwth-aachen.de>
 * Date: 03.03.2017
 *
 * This file is part of VILLASweb.
 *
 * VILLASweb 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.
 *
 * VILLASweb 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 VILLASweb. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

class WebsocketAPI {
  addSocket(endpoint, callbacks) {
    // create web socket client
    var socket = new WebSocket(this.getURL(endpoint), 'live');
    socket.binaryType = 'arraybuffer';

    // register callbacks
    if (callbacks.onOpen) socket.addEventListener('open', event => callbacks.onOpen(event));
    if (callbacks.onClose) socket.addEventListener('close', event => callbacks.onClose(event));
    if (callbacks.onMessage) socket.addEventListener('message', event => callbacks.onMessage(event));
    if (callbacks.onError) socket.addEventListener('error', event => callbacks.onError(event));

    return socket;
  }

  getURL(endpoint) {
    return 'ws://' + endpoint;
  }
}

export default new WebsocketAPI();