/**
 * 定义'Websocket'连接对象。
 * @author 时克英
 * @date 2023-04-17
 * @date 2023-04-18 对象废弃，参考：web-connection.js
 */
const WebConnection = {
  uri: null,  // 连接地址
  _uid: null,  // 用户身份
  $webSocket: null,
  _ws_timer: null,  // 定时任务

  // /**
  //  * 默认构造函数
  //  * @constructor
  //  */
  // WebConnection: function (){
  //   console.log("..........定时任务");
  //   this._ws_timer = setInterval(this.timedCheckConnection, 60000);
  // },

  setInfo: function (uri, uid){
    this.uri = uri;
    this._uid = uid + '';
    console.log("..........定时任务: uid=" + this._uid);
    this._ws_timer = setInterval(this.timedCheckConnection, 60000);
  },

  startConnect: function (){
    if(this.uri != null && this.uri == '-1'){
      console.log("未启用websocket");
      return;
    }
    // if(this.uri == null){
    //   getWebsocketUri().then(response => {
    //     this.uri = response.data.uri;
    //     this.uid = response.data.uid;
    //   }).catch(()=>{
    //     this.uri = null;
    //     this.uid = null;
    //     console.log("异常");
    //   });
    // }
    if('WebSocket' in window){
      this.$webSocket = new WebSocket(this.uri);
      this.$webSocket.onopen = this.wsOpen;
      this.$webSocket.onmessage = this.wsMessage;
      this.$webSocket.onerror = this.wsError;
      this.$webSocket.onclose = this.wsClose;
    } else {
      this.$webSocket = null;
      console.log('创建ws错误，可能当前浏览器不支持webSocket')
    }
  },

  send: function (message){
    if(this.$webSocket == null){
      return;
    }
    if (this.$webSocket.readyState == WebSocket.OPEN) {
      this.$webSocket.send(message);
    } else {
      console.log("connection is not start.");
    }
  },

  connected: function (){
    if(this.$webSocket == null || this.$webSocket == undefined){
      return false;
    }
    if(this.$webSocket.readyState == 1){
      // connected
      return true;
    }
    return false;
  },

  wsOpen: function() {
    // this.send(JSON.stringify({"protocol":"login", "uid":this.uid}));
    let loginInfo = "{\"protocol\":\"login\", \"uid\":\"" + this._uid + "\"}";
    this.send(loginInfo);
    console.log('== websocket open ==' + this._uid);
  },

  wsClose: function (){
    this._uid = null;
    console.log("浏览器断开连接：" + this._uid);
  },
  wsError: function(err){
    console.log('== websocket error ==', err)
  },

  wsMessage:function(event) {
    if(event.data == null || event.data == "" || event.data == "null"){
//        		$("#showText").append("接收到服务端空数据\n");
      console.log("接收到服务端空数据\n");
      return;
    }
    this.processServerRequest(eval("("+ event.data +")"));
  },

  processServerRequest: function (data){
    if(data == null){
      return;
    }
    if(data.protocol == "heartbeat"){
      return;
    }
    if(data.protocol == "login"){
      if(data.status == 0){
        // uid = data.uid;
        //$("#showText").append("服务已连接，开始提问：" + data.uid + "\n");
        console.log("浏览器连接成功:" + data.uid);
      } else {
        console.log("登录认证失败：" + data.status + "\n");
      }
      return;
    }

    if(data.protocol == "data"){
      console.log("接收到web推送：");
      console.log(data.data + "\n");
      store.commit('SET_WS_MSG', data.data);
      // if(data.data.touch == 1){
      //   touchEvent(data.data);
      // } else {
      //   voiceEvent(data.data);
      // }
    }
  },

  timedCheckConnection: function (){
    if(this.uri != null && this.uri != "" && this.uri != undefined
          && this._uid != null && this._uid != "" && this._uid != undefined){
      if(this.$webSocket == null || this.$webSocket == undefined || !this.connected()){
        console.log("重新连接：" + this.uri);
        // webConnection = new WebConnection(_wurl, _uid, null);
        this.startConnect();
      }
    } else{
      console.error("uri或uid为空," + this._uid + ", " + this.uri);
    }
  }
}

export default WebConnection;