<template>
  <div class="maxBox">
      <div class="videoTop">
        <span style="margin-left:10px">储存方式:</span>
        <el-select class="selectDev" size="mini" v-model="locationValue"
        @visible-change="visibleChange" placeholder="请选择">
          <el-option label="中心存储" :value="0" ></el-option>
          <el-option label="设备存储" :value="1" ></el-option>
        </el-select>
        <span>回放开始时间:</span>
        <el-date-picker
          size="medium"
          class="selectDev"
          v-model="startTime"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd hh:mm:ss"
          @focus="get"
          @blur="lost"
        ></el-date-picker>
        <span>回放结束时间:</span>
        <el-date-picker
          size="medium"
          class="selectDev"
          v-model="endTime"
          type="datetime"
          placeholder="选择结束时间"
          value-format="yyyy-MM-dd hh:mm:ss"
          @focus="get"
          @blur="lost"
        ></el-date-picker>
        <span
          class="videoType"
          id="startPlayback"
          @click="startPlayback"
          >开始</span
        >
      </div>
    <div id="playWnds" class="playWnds"></div>
  </div>
  
</template>
<script>
export default {
  props: ["devList",],
  data() {
    return {
      videoType:"",
      startTime: new Date(),
      endTime:new Date(),
      locationValue:1,
      //声明公用变量
      initCount: 0,
      //初始化参数
      initparam: {
        appKey: "",
        secret: "",
        apiIp: "",
        apiPort: 443,
        layout: "2x2" //这里是来控制你一开始初始化之后的分屏的
      },
      pointCode: "",//监控点编号
      pubKey: "",
      oWebControl: null,
      WebControl: null,
      width:'',
      height:""
    };
  },
  // props: ["videoPlatformId", "indexCode"],
  created() {
    this.initparam.appKey = this.devList[0].appId
    this.initparam.secret = this.devList[0].appSecret
    this.initparam.apiIp = this.devList[0].account
    this.initparam.apiPort = this.devList[0].password
    this.pointCode = this.devList[0].serialNumber
    // console.log('拿到的对象',this.initparam)
    //调用电脑中的插件
    this.WebControl = WebControl;
  },
  // 此处应该是value
  watch: {
    devList: function(newVal, oldVal) {
      console.log('新的值',newVal)
      this.pointCode = newVal[0].serialNumber;
      this.startpreview();
    }
  },
  mounted() {
    // this.init();
    //页面加载时创建播放实例初始化
    this.initPlugin();
    console.log('====')
    var ratio = this.getRatio()
    console.log('======比例',this.getRatio())
    let w1 = document.getElementById('playWnds').offsetWidth
    let h1 = document.getElementById('playWnds').offsetHeight
    this.width = w1 * ratio
    this.height = h1 * ratio
    console.log('宽高',this.width,this.height)
    // 监听resize事件，使插件窗口尺寸跟随DIV窗口变化
    $(window).resize(() => {
      if (this.oWebControl != null) {
        this.oWebControl.JS_Resize(this.width, this.height);
        this.setWndCover();
      }
    });

    // 监听滚动条scroll事件，使插件窗口跟随浏览器滚动而移动
    $(window).scroll(() => {
      if (this.oWebControl != null) {
        this.oWebControl.JS_Resize(this.width, this.height);
        this.setWndCover();
      }
    })
  },
  beforeDestroy() {
    this.closeWindow();//关闭插件
  },
  methods: {
    visibleChange(visible) {
      visible ? this.show() : this.hide()
  },
  get(){
    this.show()
  },
  lost(){
    this.hide()
  },
  show() {
    this.oWebControl.JS_HideWnd();
  },
  hide() {
    this.oWebControl.JS_ShowWnd();
  },
    // this.oWebControl.JS_ShowWnd();
    // 创建WebControl实例与启动插件
    initPlugin() {
      this.oWebControl = new WebControl({
        szPluginContainer: "playWnds", // 指定容器id
        iServicePortStart: 15900, // 指定起止端口号，建议使用该值
        iServicePortEnd: 15909,
        szClassId: "23BF3B0A-2C56-4D97-9C03-0CB103AA8F11", // 用于IE10使用ActiveX的clsid
        cbConnectSuccess: () => {
          // 创建WebControl实例成功
          this.oWebControl
            .JS_StartService("window", {
              // WebControl实例创建成功后需要启动服务
              dllPath: "./VideoPluginConnect.dll" // 值"./VideoPluginConnect.dll"写死
            })
            .then(
              () => {
                console.log('=========初始化成功'),
                // 启动插件服务成功
                this.oWebControl.JS_SetWindowControlCallback({
                  // 设置消息回调
                  cbIntegrationCallBack: this.cbIntegrationCallBack() // 封装的推送消息方法
                });
                this.oWebControl.JS_CreateWnd("playWnds",this.width, this.height).then(() => {
                  //JS_CreateWnd创建视频播放窗口，宽高可设定
                  this.init(); // 创建播放实例成功后初始化
                });
              },
              function() {
                // 启动插件服务失败
              }
            );
        },
        cbConnectError: () => {
          // 创建WebControl实例失败
          this.oWebControl = null;
          this.WebControl.JS_WakeUp("VideoWebPlugin://"); // 程序未启动时执行error函数，采用wakeup来启动程序
          this.initCount++;
          if (this.initCount < 3) {
            setTimeout(() => {
              this.initPlugin(); // 重新创建播放实例
            }, 3000);
          } else {
            console.log("插件启动失败，请检查插件是否安装!");
          }
        },
        cbConnectClose: bNormalClose => {
          // 异常断开：bNormalClose = false
          // JS_Disconnect正常断开：bNormalClose = true
          this.oWebControl = null;
        }
      });
    },

    // 设置窗口控制回调
    setCallbacks() {
      this.oWebControl.JS_SetWindowControlCallback({
        cbIntegrationCallBack: this.cbIntegrationCallBack // 封装的推送消息方法
      });
    },

    // 推送消息
    cbIntegrationCallBack(oData) {
      //oData是封装的视频web插件回调信息的消息体
      // console.log(JSON.stringify(oData.responseMsg)); //此处为视频web插件消息json报文字符串
    },

    //初始化
    init() {
      this.getPubKey(() => {
        ////////////////////////////////// 请自行修改以下变量值   ////////////////////////////////////
        var appkey = this.initparam.appKey; //综合安防管理平台提供的appkey，必填
        var secret = this.setEncrypt(this.initparam.secret); //综合安防管理平台提供的secret，必填
        var ip = this.initparam.apiIp; //综合安防管理平台IP地址，必填
        var playMode = 1; //初始播放模式：0-预览，1-回放
        var port = this.initparam.apiPort; //综合安防管理平台端口，若启用HTTPS协议，默认443
        port = parseInt(port);
        var snapDir = "D:\\SnapDir"; //抓图存储路径
        var videoDir = "D:\\VideoDir"; //紧急录像或录像剪辑存储路径
        var layout = this.initparam.layout; //playMode指定模式的布局
        var enableHTTPS = 1; //是否启用HTTPS协议与综合安防管理平台交互，这里总是填1
        var encryptedFields = "secret"; //加密字段，默认加密领域为secret
        var showToolbar = 1; //是否显示工具栏，0-不显示，非0-显示
        var showSmart = 1; //是否显示智能信息（如配置移动侦测后画面上的线框），0-不显示，非0-显示
        var buttonIDs =
          "0,16,256,257,258,259,260,512,513,514,515,516,517,768,769"; //自定义工具条按钮
        ////////////////////////////////// 请自行修改以上变量值   ////////////////////////////////////

        this.oWebControl
          .JS_RequestInterface({
            //通用请求响应接口
            funcName: "init", // 功能标识
            argument: JSON.stringify({
              appkey: appkey, //API网关提供的appkey
              secret: secret, //API网关提供的secret
              ip: ip, //API网关IP地址
              playMode: playMode, //播放模式（决定显示预览还是回放界面）
              port: port, //端口
              snapDir: snapDir, //抓图存储路径
              videoDir: videoDir, //紧急录像或录像剪辑存储路径
              layout: layout, //布局
              enableHTTPS: enableHTTPS, //是否启用HTTPS协议
              encryptedFields: encryptedFields, //加密字段
              showToolbar: showToolbar, //是否显示工具栏
              showSmart: showSmart, //是否显示智能信息
              buttonIDs: buttonIDs //自定义工具条按钮
            })
          })
          .then(oData => {
            this.oWebControl.JS_Resize(this.width, this.height); // 初始化后resize一次，规避firefox下首次显示窗口后插件窗口未与DIV窗口重合问题
            console.log('=====第二步')
            // this.startpreview(); //初始化后开启预览
            console.log('appkey',this.initparam.appKey)
            console.log('appkey',this.initparam.apiIp)

          });
      });
    },

    //获取公钥
    getPubKey(callback) {
      this.oWebControl
        .JS_RequestInterface({
          //通用请求响应接口
          funcName: "getRSAPubKey", // 功能标识
          argument: JSON.stringify({
            keyLength: 1024 // 秘钥长度，可选1024或2048
          })
        })
        .then(oData => {
          if (oData.responseMsg.data) {
            // 当code为-1时无data字段
            this.pubKey = oData.responseMsg.data; // 返回的数据，如RSA公钥
            callback();
          }
        });
    },
    // 页面缩放比例
    getRatio() {
      let bodyWidth = document.body.clientWidth
      // console.log(window.screen.width)
      let bodyHeight = document.body.clientHeight
      let scaleWidthNum = bodyWidth / 1920
      let scaleHeightNum = bodyHeight / 1080
    
      let ratio;
     if (scaleWidthNum > scaleHeightNum) {
       ratio = scaleHeightNum
     } else {
       ratio = scaleWidthNum
     }
     return ratio;
    },

    //RSA加密
    setEncrypt(value) {
      var encrypt = new JSEncrypt();
      encrypt.setPublicKey(this.pubKey);
      return encrypt.encrypt(value);
    },
    
    
    // 设置窗口裁剪，当因滚动条滚动导致窗口需要被遮住的情况下需要JS_CuttingPartWindow部分窗口
    setWndCover() {
      var iWidth = $(window).width();
      var iHeight = $(window).height();
      var oDivRect = $("#playWnds")
        .get(0)
        .getBoundingClientRect();

      var iCoverLeft = oDivRect.left < 0 ? Math.abs(oDivRect.left) : 0;
      var iCoverTop = oDivRect.top < 0 ? Math.abs(oDivRect.top) : 0;
      var iCoverRight = oDivRect.right - iWidth > 0 ? Math.round(oDivRect.right - iWidth) : 0;
      var iCoverBottom = oDivRect.bottom - iHeight > 0 ? Math.round(oDivRect.bottom - iHeight) : 0;

      iCoverLeft = iCoverLeft > this.width ? this.width : iCoverLeft;
      iCoverTop = iCoverTop > this.height ? this.height : iCoverTop;
      iCoverRight = iCoverRight > this.width ? this.width : iCoverRight;
      iCoverBottom = iCoverBottom > this.height ? this.height : iCoverBottom;

      this.oWebControl.JS_RepairPartWindow(0, 0, this.width, this.height); // 多1个像素点防止还原后边界缺失一个像素条
      if (iCoverLeft != 0) {
        this.oWebControl.JS_CuttingPartWindow(0, 0, iCoverLeft, this.height);
      }
      if (iCoverTop != 0) {
        this.oWebControl.JS_CuttingPartWindow(0, 0, this.width, iCoverTop); // 多剪掉一个像素条，防止出现剪掉一部分窗口后出现一个像素条
      }
      if (iCoverRight != 0) {
        this.oWebControl.JS_CuttingPartWindow(
          this.width - iCoverRight,
          0,
          iCoverRight,
          this.height
        );
      }
      if (iCoverBottom != 0) {
        this.oWebControl.JS_CuttingPartWindow(
          0,
          this.height - iCoverBottom,
          this.width,
          iCoverBottom
        );
      }
    },
    //录像回放功能

    startPlayback(){
      console.log('点击查看',this.locationValue)
      console.log('编号',this.pointCode)
      console.log('开始时间', new Date(this.startTime).getTime() / 1000 )
        var cameraIndexCode  = this.pointCode;         //获取输入的监控点编号值，必填
        var startTimeStamp = new Date(this.startTime).getTime();   //回放开始时间戳，必填
        var endTimeStamp = new Date(this.endTime).getTime();        //回放结束时间戳，必填
        var recordLocation = +this.locationValue;         //录像存储位置：0-中心存储，1-设备存储
        var transMode = 1;                                          //传输协议：0-UDP，1-TCP
        var gpuMode = 0;                                            //是否启用GPU硬解，0-不启用，1-启用
        var wndId = -1;                                             //播放窗口序号（在2x2以上布局下可指定播放窗口）
        console.log('====参数',cameraIndexCode,startTimeStamp,endTimeStamp,recordLocation)
        this.oWebControl.JS_RequestInterface({
            funcName: "startPlayback",
             argument: JSON.stringify({
               cameraIndexCode: cameraIndexCode,                   //监控点编号
               startTimeStamp: Math.floor(startTimeStamp / 1000).toString(),  //录像查询开始时间戳，单位：秒
               endTimeStamp: Math.floor(endTimeStamp / 1000).toString(),      //录像结束开始时间戳，单位：秒
               recordLocation: recordLocation,                     //录像存储类型：0-中心存储，1-设备存储
               transMode: transMode,                               //传输协议：0-UDP，1-TCP
               gpuMode: gpuMode,                                   //是否启用GPU硬解，0-不启用，1-启用
               wndId:wndId                                         //可指定播放窗口
           })
        }).then((res)=>{
          // console.log('====到这一步了吗')
          console.log('请求结果',res)
        })
        
    },

    //关闭视频窗口
    closeWindow() {
      if (this.oWebControl != null) {
        this.oWebControl.JS_HideWnd(); // 先让窗口隐藏，规避可能的插件窗口滞后于浏览器消失问题
        this.oWebControl.JS_Disconnect().then(
          () => {
            // 断开与插件服务连接成功
          },
          () => {
            // 断开与插件服务连接失败
          }
        );
      }
    }
  }
};
</script>
<style lang="less" scoped>
.maxBox{
  // width: calc(100% - 300px);
  height: calc(100% - 100px);
  width: 100%;
  // height: 100%;
  .videoTop{
    color: #fff;
    .videoType{
      cursor: pointer;
      border-radius: 3px;
      height: 34px;
      width: 60px;
      text-align: center;
      line-height: 34px;
      color: #ffffff;
      font-size: 15px;
      margin-right: 17px;
      display:inline-block;
      background-color: #00cccd;
    }
  }
.playWnds{
  margin-top: 20px;
  width: 100%;
  height: 100%;
}
}

</style>