<template>
  <div style="width: 100%">
    <el-container>
      <el-aside width="300px">
        <div class="record-list-box-box">
          <el-date-picker size="mini" v-model="chooseDate" type="date" value-format="yyyy-MM-dd" placeholder="日期"
            @change="dateChange()"></el-date-picker>
          <div class="record-list-box" v-loading="recordsLoading" :style="recordListStyle">
            <ul v-if="detailFiles.length > 0" class="infinite-list record-list">
              <li v-for="item in detailFiles" class="infinite-list-item record-list-item">
                <el-tag v-if="chooseFile != item" @click="checkedFile(item)">
                  <i class="el-icon-video-camera"></i>
                  {{ moment(item.startTime).format('HH:mm:ss') }}-{{ moment(item.endTime).format('HH:mm:ss') }}
                </el-tag>
                <el-tag v-if="chooseFile == item" type="danger">
                  <i class="el-icon-video-camera"></i>
                  {{ moment(item.startTime).format('HH:mm:ss') }}-{{ moment(item.endTime).format('HH:mm:ss') }}
                </el-tag>
              </li>
            </ul>
          </div>
          <div size="mini" v-if="detailFiles.length == 0" class="record-list-no-val">暂无数据</div>
        </div>
      </el-aside>
      <el-main style="padding-bottom: 10px;" v-if="videoUrl">
        <div class="playBox" :style="playerStyle">
          <player ref="recordVideoPlayer" :videoUrl="videoUrl" :error="videoError" :message="videoError"
            :hasAudio="hasAudio" style="max-height: 100%" fluent autoplay live></player>
        </div>
        <div class="player-option-box">
          <div>
            <el-button-group>
              <el-time-picker size="mini" is-range align="left" v-model="timeRange" value-format="yyyy-MM-dd HH:mm:ss"
                range-separator="至" start-placeholder="开始时间" end-placeholder="结束时间" @change="timePickerChange"
                placeholder="选择时间范围">
              </el-time-picker>
            </el-button-group>
          </div>
          <el-slider class="playtime-slider" v-model="playTime" id="playtimeSlider" :disabled="detailFiles.length === 0"
            :min="sliderMIn" :max="sliderMax" :range="true" :format-tooltip="playTimeFormat" @change="playTimeChange"
            :marks="playTimeSliderMarks">
          </el-slider>
          <div class="slider-val-box">
            <div class="slider-val" v-for="item of detailFiles"
              :style="'width:' + getDataWidth(item) + '%; left:' + getDataLeft(item) + '%'"></div>
          </div>
        </div>
      </el-main>
    </el-container>
  </div>
</template>

<script>
import player from '@/components/wvp/jessibuca.vue'
import moment from 'moment'
import wvpApi from '@/api/wvp'
export default {
  name: 'EVideoReplay',
  components: {
    player
  },
  data() {
    return {
      deviceId: this.$route.query.deviceId,
      channelId: this.$route.query.channelId,
      recordsLoading: false,
      streamId: "",
      hasAudio: false,
      detailFiles: [],
      chooseDate: null,
      videoUrl: null,
      chooseFile: null,
      streamInfo: null,
      app: null,
      mediaServerId: null,
      ssrc: null,

      sliderMIn: 0,
      sliderMax: 86400,
      autoPlay: true,
      taskUpdate: null,
      tabVal: "running",
      recordListStyle: {
        height: this.winHeight + "px",
        overflow: "auto",
        margin: "10px auto 10px auto"
      },
      playerStyle: {
        "margin": "0 auto 20px auto",
        "height": this.winHeight + "px",
      },
      winHeight: window.innerHeight - 240,
      playTime: null,
      timeRange: null,
      startTime: null,
      endTime: null,
      playTimeSliderMarks: {
        0: "00:00",
        3600: "01:00",
        7200: "02:00",
        10800: "03:00",
        14400: "04:00",
        18000: "05:00",
        21600: "06:00",
        25200: "07:00",
        28800: "08:00",
        32400: "09:00",
        36000: "10:00",
        39600: "11:00",
        43200: "12:00",
        46800: "13:00",
        50400: "14:00",
        54000: "15:00",
        57600: "16:00",
        61200: "17:00",
        64800: "18:00",
        68400: "19:00",
        72000: "20:00",
        75600: "21:00",
        79200: "22:00",
        82800: "23:00",
        86400: "24:00",
      },
    };
  },
  computed: {

  },
  mounted() {
    this.recordListStyle.height = this.winHeight + "px";
    this.playerStyle["height"] = this.winHeight + "px";
    this.chooseDate = moment().format('YYYY-MM-DD')
    this.dateChange();
    window.addEventListener('beforeunload', this.stopPlayRecord)
  },
  destroyed() {
    this.$destroy('recordVideoPlayer');
    window.removeEventListener('beforeunload', this.stopPlayRecord)
  },
  methods: {
    dateChange() {
      if (!this.chooseDate) {
        return;
      }

      this.setTime(this.chooseDate + " 00:00:00", this.chooseDate + " 23:59:59");
      this.recordsLoading = true;
      this.detailFiles = [];
      wvpApi.send('/wvp/api/gb_record/query/' + this.deviceId + '/' + this.channelId + '?startTime=' + this.startTime + '&endTime=' + this.endTime,
        { method: 'get' },
        (res) => {
          this.recordsLoading = false;
          if (res.code === 0) {
            // 处理时间信息
            this.detailFiles = res.data.recordList;
          } else {
            this.$message({
              showClose: true,
              message: res.msg,
              type: "error",
            });
          }
        });
    },
    moment: function (v) {
      return moment(v)
    },
    setTime: function (startTime, endTime) {
      this.startTime = startTime;
      this.endTime = endTime;
      let start = (new Date(this.startTime).getTime() - new Date(this.chooseDate + " 00:00:00").getTime()) / 1000;
      let end = (new Date(this.endTime).getTime() - new Date(this.chooseDate + " 00:00:00").getTime()) / 1000;
      console.log(start)
      console.log(end)
      this.playTime = [start, end];
      this.timeRange = [startTime, endTime];
    },
    videoError: function (e) {
      console.log("播放器错误：" + JSON.stringify(e));
    },
    checkedFile(file) {
      this.chooseFile = file;
      this.setTime(file.startTime, file.endTime);
      // 开始回放
      this.playRecord()
    },
    playRecord: function () {

      if (this.streamId !== "") {
        this.stopPlayRecord(() => {
          this.streamId = "";
          this.playRecord();
        })
      } else {
        wvpApi.send('/wvp/api/playback/start/' + this.deviceId + '/' + this.channelId + '?startTime=' + this.startTime + '&endTime=' + this.endTime,
          { method: 'get' },
          (res) => {
            if (res.code === 0) {
              this.streamInfo = res.data;
              this.app = this.streamInfo.app;
              this.streamId = this.streamInfo.stream;
              this.mediaServerId = this.streamInfo.mediaServerId;
              this.ssrc = this.streamInfo.ssrc;
              this.videoUrl = this.getUrlByStreamInfo();
              this.hasAudio = this.streamInfo.tracks && this.streamInfo.tracks.length > 1
            } else {
              this.$message({
                showClose: true,
                message: res.msg,
                type: "error",
              });
            }
          });
      }
    },
    gbPlay() {
      console.log('前端控制：播放');
      wvpApi.send('/wvp/api/playback/resume/' + this.streamId,
        { method: 'get' },
        (res) => {
          this.$refs["recordVideoPlayer"].play(this.videoUrl)
        });
    },
    gbPause() {
      console.log('前端控制：暂停');
      wvpApi.send('/wvp/api/playback/pause/' + this.streamId, { method: 'get' }, (res) => { });
    },
    gbScale(command) {
      console.log('前端控制：倍速 ' + command);
      wvpApi.send(`/wvp/api/playback/speed/${this.streamId}/${command}`, { method: 'get' }, (res) => { });
    },
    stopPlayRecord: function (callback) {
      console.log("停止录像回放")
      if (this.streamId !== "") {
        this.$refs["recordVideoPlayer"].pause();
        this.videoUrl = '';
        wvpApi.send('/wvp/api/playback/stop/' + this.deviceId + "/" + this.channelId + "/" + this.streamId, { method: 'get' }, (res) => {
          if (callback) callback()
        });
      }
    },
    getDataWidth(item) {
      let timeForFile = this.getTimeForFile(item);
      let result = (timeForFile[2]) / ((this.sliderMax - this.sliderMIn) * 1000)
      return result * 100
    },
    getDataLeft(item) {
      let timeForFile = this.getTimeForFile(item);
      let differenceTime = timeForFile[0].getTime() - new Date(this.chooseDate + " 00:00:00").getTime()
      return parseFloat((differenceTime - this.sliderMIn * 1000) / ((this.sliderMax - this.sliderMIn) * 1000)) * 100;
    },
    getUrlByStreamInfo() {
      if (location.protocol === "https:") {
        this.videoUrl = this.streamInfo["wss_flv"]
      } else {
        this.videoUrl = this.streamInfo["ws_flv"]
      }
      return this.videoUrl;

    },
    timePickerChange: function (val) {
      this.setTime(val[0], val[1])
    },
    playTimeChange(val) {
      console.log(val)

      let startTimeStr = moment(new Date(this.chooseDate + " 00:00:00").getTime() + val[0] * 1000).format("YYYY-MM-DD HH:mm:ss");
      let endTimeStr = moment(new Date(this.chooseDate + " 00:00:00").getTime() + val[1] * 1000).format("YYYY-MM-DD HH:mm:ss");

      this.setTime(startTimeStr, endTimeStr)

      this.playRecord();
    },
    setSliderFit() {
      if (this.sliderMIn === 0 && this.sliderMax === 86400) {
        if (this.detailFiles.length > 0) {
          let timeForFile = this.getTimeForFile(this.detailFiles[0]);
          let lastTimeForFile = this.getTimeForFile(this.detailFiles[this.detailFiles.length - 1]);
          let timeNum = timeForFile[0].getTime() - new Date(this.chooseDate + " " + "00:00:00").getTime()
          let lastTimeNum = lastTimeForFile[1].getTime() - new Date(this.chooseDate + " " + "00:00:00").getTime()

          this.playTime = parseInt(timeNum / 1000)
          this.sliderMIn = parseInt(timeNum / 1000 - timeNum / 1000 % (60 * 60))
          this.sliderMax = parseInt(lastTimeNum / 1000 - lastTimeNum / 1000 % (60 * 60)) + 60 * 60

          this.playTime = [this.sliderMIn, this.sliderMax];
        }
      } else {
        this.sliderMIn = 0;
        this.sliderMax = 86400;
      }
    },
    getTimeForFile(file) {
      let startTime = new Date(file.startTime);
      let endTime = new Date(file.endTime);
      return [startTime, endTime, endTime.getTime() - startTime.getTime()];
    },
    playTimeFormat(val) {
      let h = parseInt(val / 3600);
      let m = parseInt((val - h * 3600) / 60);
      let s = parseInt(val - h * 3600 - m * 60);

      let hStr = h;
      let mStr = m;
      let sStr = s;
      if (h < 10) {
        hStr = "0" + hStr;
      }
      if (m < 10) {
        mStr = "0" + mStr; s
      }
      if (s < 10) {
        sStr = "0" + sStr;
      }
      return hStr + ":" + mStr + ":" + sStr
    },
    goBack() {
      // 如果正在进行录像回放则，发送停止
      if (this.streamId !== "") {
        this.stopPlayRecord(() => {
          this.streamId = "";
        })
      }
      window.history.go(-1);
    },
  }
};
</script>

<style>
.el-slider__runway {
  background-color: rgba(206, 206, 206, 0.47) !important;
}

.el-slider__bar {
  background-color: rgba(153, 153, 153, 0) !important;
}

.playtime-slider {
  position: relative;
  z-index: 100;
}

.data-picker-true {}

.data-picker-true:after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  background-color: #606060;
  border-radius: 4px;
  left: 45%;
  top: 74%;

}

.data-picker-false {}

.slider-val-box {
  height: 6px;
  position: relative;
  top: -22px;
}

.slider-val {
  height: 6px;
  background-color: #007CFF;
  position: absolute;
}

.record-list-box-box {
  width: 250px;
  float: left;
}

.record-list-box {
  overflow: auto;
  width: 220px;
  list-style: none;
  padding: 0;
  margin: 0;
  margin-top: 0px;
  padding: 1rem 0;
  background-color: #FFF;
  margin-top: 10px;
}

.record-list {
  list-style: none;
  padding: 0;
  margin: 0;
  background-color: #FFF;

}

.record-list-no-val {
  position: absolute;
  color: #9f9f9f;
  top: 50%;
  left: 110px;
}

.record-list-item {
  padding: 0;
  margin: 0;
  margin: 0.5rem 0;
  cursor: pointer;
}

.record-list-option {
  width: 10px;
  float: left;
  margin-top: 39px;

}

.player-option-box {
  padding: 0 20px;
}
</style>
