/**
 * @author Martin Karkowski
 * @email m.karkowski@zema.de
 * @create date 2021-03-22 19:03:15
 * @modify date 2021-03-22 19:12:16
 * @desc [description]
 */

import * as io from "socket.io";
import { connect } from "socket.io-client";
import { getNopeLogger } from "../../logger/getLogger";
import { LoggerLevel } from "../../logger/nopeLogger";
import { EventMirror } from "./eventMirror";

/**
 * Communication Layer using IO-Sockets.
 *
 * @export
 * @class IoSocketServer
 * @implements {ICommunicationInterface}
 */
export class IoSocketClient extends EventMirror {
  protected _socket: io.Server;
  protected _sockets: Set<io.Socket>;

  /**
   * Creates an instance of IoSocketServer.
   * @param {number} port The Port, on which the Server should be hosted
   * @param {Server} [server] A Server shich should be used. (Otherwise a Server is created)
   * @memberof IoSocketServer
   */
  /**
   * Creates an instance of IoSocketClient.
   * @param {string} uri Uri of the Server.
   * @param {LoggerLevel} [level="info"] Logger level
   * @memberof IoSocketClient
   */
  constructor(public uri: string, level: LoggerLevel = "info") {
    super(
      connect(uri.startsWith("http://") ? uri : "http://" + uri) as any,
      getNopeLogger("io-mirror-client", level)
    );

    // Make shure we use the http before connecting.
    this.uri = this.uri.startsWith("http://") ? this.uri : "http://" + this.uri;
    this.connected.setContent(false);

    this._logger.info("connecting to: " + uri);

    const _this = this;

    this._emitter.on("connect", (...args) => {
      // Element is connected
      _this._logger.info("connected");
      _this.connected.setContent(true);
    });

    this._emitter.on("disconnect", () => {
      // Connection Lost.
      _this._logger.error("Connection lost!");
      _this.connected.setContent(false);
    });
  }
}