/**
 * 服务地址
 */
let url = "ws://127.0.0.1:5050/";
/**
 * WebSocketClient 客户端
 */
let WebSocketClient;

/**
 * 客户端状态
 */
let Client = {
    /**是否连接 */
    IsOpen: false,
    /**最新收到的服务端信息 */
    Receive: null,
    /**重连检测计时器 */
    JiShiQi: null,
    /**打开事件 */
    OnOpen: null,
    /**关闭事件 */
    OnClose: null,
    /**接收到信息事件 */
    OnMsg: null,
}

/**
 * 信息返回类型
 */
let Result = {
    Order: "",
    Time: new Date()
};

/**
 * 打开连接完成
 * @param {*} model 
 */
function OnOpen(model) {
    console.log("打开连接完成");
    Client.IsOpen = true;

    if (typeof (Client.OnOpen) == 'function') {
        Client.OnOpen();
    }
}

/**
 * 连接断开
 * @param {*} model 
 */
function OnClose(model) {
    // console.log("连接断开");
    Client.IsOpen = false;

    if (typeof (Client.OnClose) == 'function') {
        Client.OnClose();
    }
}

/**
 * 错误
 * @param {*} error 
 */
function OnError(error) {
    //console.error(error);
}

/**
 * 客户端主动向服务端发送消息
 * @param {String} msg 发送的字符串
 */
function ClientSendToServerMsg(msg) {
    if (msg != null && msg.length > 0) {
        WebSocketClient.send(msg);
    }
}

/**
 * 客户端主动向服务端发送实例
 * @param {Object} obj 对象实例
 */
function ClientSendToServerObj(obj) {
    if (null != obj) {
        var msg = JSON.stringify(obj);
        WebSocketClient.send(msg);
    }
}

/**
 * 数据接收
 * @param {*} model 
 */
function OnMessage(model) {

    var result = JSON.parse(model.data);
    console.log(result);

    Client.Receive = result;
    // Result.Order = result.Order;
    // Result.Time = new Date();

    // ClientSendToServerObj(Result);

    if (typeof (Client.OnMsg) == 'function') {
        Client.OnMsg(result);
    }
}

/**
 * 打开连接
 */
function Open() {

    //隔离执行，连接失败后可继续连接
    (function () {

        //初始化参数
        Client.IsOpen = false;
        Client.Receive = null;

        Result.Order = "";
        Result.Time = new Date();

        if ('WebSocket' in window) {
            WebSocketClient = new WebSocket(url);
        }
        else if ('MozWebSocket' in window) {
            WebSocketClient = new MozWebSocket(url);
        }
        else {
            alert("浏览器不支持WebSocket");
        }

        WebSocketClient.onopen = OnOpen;
        WebSocketClient.onclose = OnClose;
        WebSocketClient.onerror = OnError;
        WebSocketClient.onmessage = OnMessage;
    })();
}

/**
 * 检测状态
 */
function Detect() {
    //已连接
    if (Client.IsOpen && WebSocketClient.readyState == 1) {
        //Result.Time = new Date();
        //ClientSendToServerObj(Result);
    } else {
        Open();
    }
    // console.log(Client);
    // console.log(WebSocketClient);
}


//启动
(function () {
    Open();
    Client.JiShiQi = setInterval(Detect, 5000);
})()