let Socket = ''
let setIntervalWesocketPush = null

/**建立连接 */
export function createSocket() {
    // var socketUrl="http://localhost:10003/imserver";
    var socketUrl = "http://218.28.199.138:10003/imserver";
    socketUrl = socketUrl.replace("https", "ws").replace("http", "ws");

    console.log(socketUrl);
    if (!Socket) {
        console.log('建立websocket连接')
        Socket = new WebSocket(socketUrl)
        Socket.onopen = onopenWS
        Socket.onmessage = onmessageWS
        Socket.onerror = onerrorWS
        Socket.onclose = oncloseWS
    } else {
        console.log('websocket已连接')
    }
}

/**打开WS之后发送心跳 */
export function onopenWS() {
    sendPing() //发送心跳
}

/**连接失败重连 */
export function onerrorWS() {
    clearInterval(setIntervalWesocketPush)
    Socket.close()
    createSocket() //重连
}

/**WS数据接收统一处理 */
export function onmessageWS(e) {
    console.log(e.data);
    window.dispatchEvent(new CustomEvent('onmessageWS', {
        detail: {
            data: e
        }
    }))
}

/**发送数据
 * @param eventType
 */
export function sendWSPush(eventTypeArr) {
    const obj = {
        appId: 'airShip',
        cover: 0,
        event: eventTypeArr
    }
    if (Socket !== null && Socket.readyState === 3) {
        Socket.close()
        createSocket() //重连
    } else if (Socket.readyState === 1) {
        Socket.send(JSON.stringify(obj))
    } else if (Socket.readyState === 0) {
        setTimeout(() => {
            Socket.send(JSON.stringify(obj))
        }, 3000)
    }
}

/**关闭WS */
export function oncloseWS() {
    clearInterval(setIntervalWesocketPush)
    console.log('websocket已断开')
}

/**发送心跳 */
export function sendPing() {
    Socket.send('ping')
    setIntervalWesocketPush = setInterval(() => {
        Socket.send('ping')
    }, 5000)
}