<template>
  <div id="channelList" style="width: 100%">
    <div class="page-header">
      <div class="page-title">
        <el-button icon="el-icon-arrow-left" size="mini" style="margin-right: 1rem;" type="primary" @click="showDevice">
          返回
        </el-button>
        通道列表({{ parentChannelId == 0 ? deviceId : parentChannelId }})</div>
      <div class="page-header-btn">
      搜索:
      <el-input @input="search" style="margin-right: 1rem; width: auto;" size="mini" placeholder="关键字"
                prefix-icon="el-icon-search" v-model="searchSrt" clearable></el-input>

      通道类型:
      <el-select size="mini" @change="search" style="margin-right: 1rem;" v-model="channelType" placeholder="请选择"
                 default-first-option>
        <el-option label="全部" value=""></el-option>
        <el-option label="设备" value="false"></el-option>
        <el-option label="子目录" value="true"></el-option>
      </el-select>
      在线状态:
      <el-select size="mini" style="margin-right: 1rem;" @change="search" v-model="online" placeholder="请选择"
                 default-first-option>
        <el-option label="全部" value=""></el-option>
        <el-option label="在线" value="true"></el-option>
        <el-option label="离线" value="false"></el-option>
      </el-select>
      <el-checkbox size="mini" v-model="autoList" @change="autoListChange">
        自动刷新
      </el-checkbox>
    </div>
  </div>
  <devicePlayer ref="devicePlayer" v-loading="isLoging"></devicePlayer>
  <!--设备列表-->
  <el-table ref="channelListTable" :data="deviceChannelList" :height="winHeight" border style="width: 100%">
    <el-table-column prop="channelId" label="通道编号" width="200">
    </el-table-column>
    <el-table-column prop="name" label="通道名称">
    </el-table-column>
    <el-table-column label="快照" width="80" align="center">
      <template slot-scope="scope">
        <img style="max-height: 3rem;max-width: 4rem;"
             v-if="scope.row.subCount === 0 && scope.row.parental === 0"
             :id="scope.row.deviceId + '_' + scope.row.channelId"
             :src="getSnap(scope.row)"
             @error="getSnapErrorEvent($event.target.id)"
             alt="">
        <!--                    <el-image-->
        <!--                      :id="'snapImg_' + scope.row.deviceId + '_' + scope.row.channelId"-->
        <!--                      :src="getSnap(scope.row)"-->
        <!--                      @error="getSnapErrorEvent($event, scope.row)"-->
        <!--                      :fit="'contain'">-->
        <!--                      <div slot="error" class="image-slot">-->
        <!--                        <i class="el-icon-picture-outline"></i>-->
        <!--                      </div>-->
        <!--                    </el-image>-->
      </template>
    </el-table-column>
    <el-table-column prop="subCount" label="子节点数">
    </el-table-column>
    <el-table-column prop="manufacture" label="厂家">
    </el-table-column>
    <el-table-column label="位置信息" align="center">
      <template slot-scope="scope">
        <span>{{ scope.row.longitude }},{{ scope.row.latitude }}</span>
      </template>
    </el-table-column>
    <el-table-column prop="ptztypeText" label="云台类型"/>
    <el-table-column label="开启音频" align="center">
      <template slot-scope="scope">
        <el-switch @change="updateChannel(scope.row)" v-model="scope.row.hasAudio" active-color="#409EFF">
        </el-switch>
      </template>
    </el-table-column>
    <el-table-column label="状态" width="180" align="center">
      <template slot-scope="scope">
        <div slot="reference" class="name-wrapper">
          <el-tag size="medium" v-if="scope.row.status == 1">开启</el-tag>
          <el-tag size="medium" type="info" v-if="scope.row.status == 0">关闭</el-tag>
        </div>
      </template>
    </el-table-column>


    <el-table-column label="操作" width="280" align="center" fixed="right">
      <template slot-scope="scope">
        <el-button-group>
          <!-- <el-button size="mini" icon="el-icon-video-play" v-if="scope.row.parental == 0" @click="sendDevicePush(scope.row)">播放</el-button> -->
          <el-button size="mini" icon="el-icon-video-play" @click="sendDevicePush(scope.row)">播放</el-button>
          <el-button size="mini" icon="el-icon-switch-button" type="danger" v-if="!!scope.row.streamId"
                     @click="stopDevicePush(scope.row)">停止
          </el-button>
          <el-button size="mini" icon="el-icon-s-open" type="primary" v-if="scope.row.subCount > 0 || scope.row.parental === 1"
                     @click="changeSubchannel(scope.row)">查看
          </el-button>
          <el-button size="mini" icon="el-icon-video-camera" type="primary" @click="queryRecords(scope.row)">设备录像
          </el-button>
          <!--                             <el-button size="mini" @click="sendDevicePush(scope.row)">录像查询</el-button> -->
        </el-button-group>
      </template>
    </el-table-column>
  </el-table>
  <el-pagination style="float: right" @size-change="handleSizeChange" @current-change="currentChange"
                 :current-page="currentPage" :page-size="count" :page-sizes="[15, 20, 30, 50]"
                 layout="total, sizes, prev, pager, next" :total="total">
  </el-pagination>
  </div>
</template>

<script>
import devicePlayer from './dialog/devicePlayer.vue'
import uiHeader from '../layout/UiHeader.vue'
import moment from "moment";

export default {
  name: 'channelList',
  components: {
    devicePlayer,
    uiHeader
  },
  data() {
    return {
      deviceId: this.$route.params.deviceId,
      parentChannelId: this.$route.params.parentChannelId,
      deviceChannelList: [],
      videoComponentList: [],
      currentPlayerInfo: {}, //当前播放对象
      updateLooper: 0, //数据刷新轮训标志
      searchSrt: "",
      channelType: "",
      online: "",
      winHeight: window.innerHeight - 250,
      currentPage: parseInt(this.$route.params.page),
      count: parseInt(this.$route.params.count),
      total: 0,
      beforeUrl: "/deviceList",
      isLoging: false,
      autoList: true,
      loadSnap: {}
    };
  },

  mounted() {
    this.initData();
    if (this.autoList) {
      this.updateLooper = setInterval(this.initData, 5000);
    }

  },
  destroyed() {
    this.$destroy('videojs');
    clearTimeout(this.updateLooper);
  },
  methods: {
    initData: function () {
      if (typeof (this.parentChannelId) == "undefined" || this.parentChannelId == 0) {
        this.getDeviceChannelList();
      } else {
        this.showSubchannels();
      }
    },
    initParam: function () {
      this.deviceId = this.$route.params.deviceId;
      this.parentChannelId = this.$route.params.parentChannelId;
      this.currentPage = parseInt(this.$route.params.page);
      this.count = parseInt(this.$route.params.count);
      if (this.parentChannelId == "" || this.parentChannelId == 0) {
        this.beforeUrl = "/deviceList"
      }

    },
    currentChange: function (val) {
      var url = `/${this.$router.currentRoute.name}/${this.deviceId}/${this.parentChannelId}/${this.count}/${val}`
      this.$router.push(url).then(() => {
        this.initParam();
        this.initData();
      })
    },
    handleSizeChange: function (val) {
      var url = `/${this.$router.currentRoute.name}/${this.$router.params.deviceId}/${this.$router.params.parentChannelId}/${val}/1`
      this.$router.push(url).then(() => {
        this.initParam();
        this.initData();
      })

    },
    getDeviceChannelList: function () {
      let that = this;
      if (typeof (this.$route.params.deviceId) == "undefined") return;
      this.$axios({
        method: 'get',
        url: `/api/device/query/devices/${this.$route.params.deviceId}/channels`,
        params: {
          page: that.currentPage,
          count: that.count,
          query: that.searchSrt,
          online: that.online,
          channelType: that.channelType
        }
      }).then(function (res) {
        that.total = res.data.total;
        that.deviceChannelList = res.data.list;
        // 防止出现表格错位
        that.$nextTick(() => {
          that.$refs.channelListTable.doLayout();
        })
      }).catch(function (error) {
        console.log(error);
      });
    },

    //通知设备上传媒体流
    sendDevicePush: function (itemData) {
      let deviceId = this.deviceId;
      this.isLoging = true;
      let channelId = itemData.channelId;
      console.log("通知设备推流1：" + deviceId + " : " + channelId);
      let that = this;
      this.$axios({
        method: 'get',
        url: '/api/play/start/' + deviceId + '/' + channelId
      }).then(function (res) {
        console.log(res)
        that.isLoging = false;
        if (res.data.code === 0) {

          setTimeout(() => {

            let snapId = deviceId + "_" + channelId;
            that.loadSnap[snapId] = 0;
            that.getSnapErrorEvent(snapId)
          }, 5000)
          that.$refs.devicePlayer.openDialog("media", deviceId, channelId, {
            streamInfo: res.data.data,
            hasAudio: itemData.hasAudio
          });
          setTimeout(() => {
            that.initData();
          }, 1000)

        }else{
          that.$message.error(res.data.msg);
        }
      }).catch(function (e) {
        console.error(e)
        that.isLoging = false;
        // that.$message.error("请求超时");
      });
    },
    queryRecords: function (itemData) {
      var format = moment().format("yyyy-MM-DD");
      let deviceId = this.deviceId;
      let channelId = itemData.channelId;
      this.$refs.devicePlayer.openDialog("record", deviceId, channelId, {date: format})
    },
    stopDevicePush: function (itemData) {
      var that = this;
      this.$axios({
        method: 'get',
        url: '/api/play/stop/' + this.deviceId + "/" + itemData.channelId
      }).then(function (res) {
        that.initData();
      }).catch(function (error) {
        if (error.response.status === 402) { // 已经停止过
          that.initData();
        } else {
          console.log(error)
        }
      });
    },
    getSnap: function (row) {
      return '/static/snap/' + row.deviceId + '_' + row.channelId + '.jpg'
    },
    getSnapErrorEvent: function (id) {

      if (typeof (this.loadSnap[id]) != "undefined") {
        console.log("下载截图" + this.loadSnap[id])
        if (this.loadSnap[id] > 5) {
          delete this.loadSnap[id];
          return;
        }
        setTimeout(() => {
          this.loadSnap[id]++
          document.getElementById(id).setAttribute("src", '/static/snap/' + id + '.jpg?' + new Date().getTime())
        }, 1000)

      }
    },
    showDevice: function () {
      this.$router.push(this.beforeUrl).then(() => {
        this.initParam();
        this.initData();
      })
    },
    changeSubchannel(itemData) {
      this.beforeUrl = this.$router.currentRoute.path;

      var url = `/${this.$router.currentRoute.name}/${this.$router.currentRoute.params.deviceId}/${itemData.channelId}/${this.$router.currentRoute.params.count}/1`
      this.$router.push(url).then(() => {
        this.searchSrt = "";
        this.channelType = "";
        this.online = "";
        this.initParam();
        this.initData();
      })
    },
    showSubchannels: function (channelId) {
      let that = this;

      this.$axios({
        method: 'get',
        url: `/api/device/query/sub_channels/${this.deviceId}/${this.parentChannelId}/channels`,
        params: {
          page: that.currentPage,
          count: that.count,
          query: that.searchSrt,
          online: that.online,
          channelType: that.channelType
        }
      }).then(function (res) {
        that.total = res.data.total;
        that.deviceChannelList = res.data.list;
        // 防止出现表格错位
        that.$nextTick(() => {
          that.$refs.channelListTable.doLayout();
        })
      }).catch(function (error) {
        console.log(error);
      });
    },
    search: function () {
      this.currentPage = 1;
      this.total = 0;
      this.initData();
    },
    updateChannel: function (row) {
      this.$axios({
        method: 'post',
        url: `/api/device/query/channel/update/${this.deviceId}`,
        params: row
      }).then(function (res) {
        console.log(JSON.stringify(res));
      });
    },
    autoListChange: function () {
      if (this.autoList) {
        this.updateLooper = setInterval(this.initData, 1500);
      } else {
        window.clearInterval(this.updateLooper);
      }
    }

  }
};
</script>

<style>
.videoList {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
}

.video-item {
  position: relative;
  width: 15rem;
  height: 10rem;
  margin-right: 1rem;
  background-color: #000000;
}

.video-item-img {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  width: 100%;
  height: 100%;
}

.video-item-img:after {
  content: "";
  display: inline-block;
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  width: 3rem;
  height: 3rem;
  background-image: url("../assets/loading.png");
  background-size: cover;
  background-color: #000000;
}

.video-item-title {
  position: absolute;
  bottom: 0;
  color: #000000;
  background-color: #ffffff;
  line-height: 1.5rem;
  padding: 0.3rem;
  width: 14.4rem;
}
</style>