<template>
  <div>
  <!-- 直播中控台 start -->
  <el-row type="flex" justify="center" class="live-console" :gutter="10" v-loading="loading">>
    <!-- 聊天 start -->
    <el-col class="live-console-col" :span="6">
      <el-tabs class="live-console-tab-left" v-model="tabRight.activeName" @tab-click="handleClick" :stretch="true">
        <el-tab-pane label="讨论" name="talk">
          <el-scrollbar style="height: 500px; width: 100%;" ref="manageRightRef">
            <el-row v-for="m in msgList" :key="m.msgId">
              <el-row v-if="m.userId !== userId" style="margin-top: 5px" type="flex" align="top" >
                <el-col :span="3" style="margin-left: 10px"><el-avatar :src="m.avatar"/></el-col>
                <el-col :span="15">
                  <el-row style="margin-left: 10px">
                    <el-col><div style="font-size: 12px; color: #999; margin-bottom: 3px;">{{ m.nickName }}</div></el-col>
                    <el-col :span="24" style="max-width: 200px;">
                      <div style="white-space: normal; word-wrap: break-word;background-color: #f0f2f5; padding: 8px; border-radius: 5px;font-size: 14px;width: 100%;">
                        {{ m.msg }}
                      </div>
                    </el-col>
                    <el-col>
                      <a style="cursor: pointer;color: #ff0000;padding: 8px 8px 0 0;font-size: 12px;" @click="changeUserState(m)">{{ m.msgStatus === 1 ? '解禁' : '禁言' }}</a>
                      <a style="cursor: pointer;color: #ff0000;padding: 8px 8px 0 0;font-size: 12px;" @click="blockUser(m)">拉黑</a>
                    </el-col>
                  </el-row>
                </el-col>
              </el-row>
              <el-row v-if="m.userId === userId" style="padding: 8px 0" type="flex" align="top" justify="end">
                <div style="display: flex;justify-content: flex-end">
                  <div style="display: flex;justify-content: flex-end;flex-direction: column;max-width: 200px;align-items: flex-end">
                    <div style="font-size: 12px; color: #999; margin-bottom: 3px;">{{ m.nickName }}</div>
                    <div style="white-space: normal; word-wrap: break-word;width: 100%; background-color: #e6f7ff; padding: 8px; border-radius: 5px;font-size: 14px;">{{ m.msg }}</div>
                  </div>
                  <el-avatar :src="m.avatar" style="margin-left: 10px; margin-right: 10px;"/>
                </div>
              </el-row>
            </el-row>
            <!-- 底部留白 -->
            <div style="height: 20px;"></div>
          </el-scrollbar>

          <!-- 消息输入区域 -->
          <div style="padding: 10px; border-top: 1px solid #ebeef5; background-color: #fff; min-height: 120px;">
            <el-input
              type="textarea"
              v-model="newMsg"
              placeholder="请输入消息..."
              :rows="8"
              @keyup.enter.native="sendMessage"
              clearable
              resize="none"
              style="flex: 1; margin-right: 10px;"
            >
            </el-input>
            <div style="display: flex; justify-content: flex-end; margin-top: 10px;">
              <el-button plain @click="sendMessage">发送</el-button>
            </div>
          </div>
        </el-tab-pane>
      </el-tabs>
    </el-col>
    <!-- 聊天 end -->


    <!-- 直播/视频 start -->
    <el-col class="live-console-col" :span="12">
      <div style="background: #000; border-radius: 5px; overflow: hidden; margin: 10px 5px;">
        <div style="border-radius: 5px; overflow: hidden;" v-if="!isAudit">
          <img :src="require('@/assets/images/videoIsAudit.png')" style="width: 100%; height: 45vh;">
        </div>
        <div style="border-radius: 5px; overflow: hidden;" v-else-if="status != 2 && status != 4">
          <img :src="require('@/assets/images/videoNotStart.png')" style="width: 100%; height: 45vh;">
        </div>
        <div style="border-radius: 5px; overflow: hidden;" v-else-if="liveType == 1">
          <video
            controls
            ref="livingPlayer"
            autoplay
            width="100%"
            @click.prevent
            @contextmenu.prevent
            class="custom-video"
            style="display: block; background: #000; height: 45vh;"
          ></video>
          <!-- 时间显示（可选） -->
          <div ref="liveElapsedTime" class="time-display">
            已播放：<span id="liveElapsedTime">00:00:00</span>
          </div>
        </div>
        <div style="border-radius: 5px; overflow: hidden;" v-else-if="liveType == 2">
          <video
            controls
            ref="videoPlayer"
            loop
            autoplay
            width="100%"
            muted
            playsinline
            @click.prevent
            @contextmenu.prevent
            class="custom-video"
            style="display: block; background: #000; height: 40vh;"
          >
            <source :src="videoUrl" type="application/x-mpegURL">
          </video>
          <!-- 自定义进度条容器 -->
          <div ref="progressBar" class="progress-container">
            <div id="progressBar" class="progress-bar"></div>
          </div>

          <!-- 时间显示（可选） -->
          <div ref="elapsedTime" class="time-display">
            已播放：<span id="elapsedTime">00:00:00</span>
          </div>
        </div>
        <div style="border-radius: 5px; overflow: hidden;" v-else-if="liveType == 3">
          <video
            controls
            ref="liveReplay"
            loop
            autoplay
            width="100%"
            playsinline
            style="display: block; background: #000; height: 40vh;"
          >
            <source :src="videoUrl" type="application/x-mpegURL">
          </video>
        </div>
        <div style="border-radius: 5px; overflow: hidden;" v-else>
          <img :src="require('@/assets/images/videoNotStart.png')" style="width: 100%; height: 45vh;">
        </div>
      </div>
      <!-- 底部导航栏 -->
      <div style="display: flex; justify-content: space-around; padding: 15px 0; background: #fff; border-top: 1px solid #f0f0f0;">
        <div style="display: flex; flex-direction: column; align-items: center; cursor: pointer;" @click="handleClickRed">
          <i class="el-icon-money" style="font-size: 20px;"></i>
          <span style="font-size: 12px; margin-top: 4px;">红包配置</span>
        </div>
        <div style="display: flex; flex-direction: column; align-items: center; cursor: pointer;" @click="handleClickLottery">
          <i class="el-icon-present" style="font-size: 20px;"></i>
          <span style="font-size: 12px; margin-top: 4px;">抽奖配置</span>
        </div>
        <div style="display: flex; flex-direction: column; align-items: center; cursor: pointer;" @click="handleClickGoods">
          <i class="el-icon-goods" style="font-size: 20px;"></i>
          <span style="font-size: 12px; margin-top: 4px;">商品</span>
        </div>
        <div style="display: flex; flex-direction: column; align-items: center; cursor: pointer;" @click="handleClickOrder">
          <i class="el-icon-goods" style="font-size: 20px;"></i>
          <span style="font-size: 12px; margin-top: 4px;">直播订单</span>
        </div>
        <div style="display: flex; flex-direction: column; align-items: center; cursor: pointer;" @click="handleClickCoupon">
          <i class="el-icon-goods" style="font-size: 20px;"></i>
          <span style="font-size: 12px; margin-top: 4px;">直播优惠券</span>
        </div>
      </div>
      <el-radio-group v-model="tableRadio" >
        <el-radio-button label="订单数">订单数</el-radio-button>
      </el-radio-group>
      <div  style="position: relative;width: 100%; height: 300px;">
        <div ref="chartContainer" style="width: 100%; height: 100%;"></div>
        <div style="position: absolute; top: 10px; right: 10px; background: #fff; padding: 5px; z-index: 1;">
          <el-select v-model="searchQuery.timeOptions" placeholder="请选择" style="width: 150px"  @change="timeChange">
            <el-option
              v-for="item in timeOptions"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
          <el-select v-model="searchQuery.timeGranularity" placeholder="请选择" style="width: 150px"  @change="timeGranularityChange">
            <el-option
              v-for="item in timeGranularity"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
          <!--          <el-button type="primary" @click="applyFilter">搜索</el-button>-->
        </div>
      </div>
    </el-col>
    <!-- 直播/视频 end -->

    <!-- 用户列表 start -->
    <el-col class="live-console-col" :span="6">
      <el-tabs class="live-console-tab-right" v-model="tabLeft.activeName" @tab-click="handleClick" :stretch="true">
        <el-tab-pane :label="onlineLabel" name="online">
          <el-scrollbar ref="manageLeftRef_online" style="height: 800px; width: 100%;">
            <el-row style="margin-top: 10px" type="flex" align="middle" v-for="u in onlineDisplayList" :key="u.userId">
              <el-col :span="20">
                <el-row type="flex" align="middle">
                  <el-col :span="4" style="padding-left: 10px;"><el-avatar :src="u.avatar"></el-avatar></el-col>
                  <el-col :span="19" :offset="1">{{ u.nickName }}</el-col>
                  <el-col :span="19" :offset="1">{{ u.userId }}</el-col>
                </el-row>
              </el-col>
              <el-col :span="4" >
                <el-popover
                  width="100"
                  trigger="click">
                  <a style="cursor: pointer;color: #ff0000;" @click="changeUserState(u)">{{ u.msgStatus === 1 ? '解禁' : '禁言' }}</a>
                  <a style="cursor: pointer;color: #ff0000;margin-left:10px" @click="blockUser(u)">拉黑</a>
                  <i class="el-icon-more" slot="reference"></i>
                </el-popover>
              </el-col>
            </el-row>
          </el-scrollbar>
        </el-tab-pane>
        <el-tab-pane :label="offlineLabel" name="offline">
          <el-scrollbar ref="manageLeftRef_offline" style="height: 800px; width: 100%;">
            <el-row style="margin-top: 10px" type="flex" align="middle" v-for="u in offlineDisplayList" :key="u.userId">
              <el-col :span="20">
                <el-row type="flex" align="middle">
                  <el-col :span="4" style="padding-left: 10px;"><el-avatar :src="u.avatar"></el-avatar></el-col>
                  <el-col :span="19" :offset="1">{{ u.nickName }}</el-col>
                  <el-col :span="19" :offset="1">{{ u.userId }}</el-col>
                </el-row>
              </el-col>
              <el-col :span="4" >
                <el-popover
                  width="100"
                  trigger="click">
                  <a style="cursor: pointer;color: #ff0000;" @click="changeUserState(u)">{{ u.msgStatus === 1 ? '解禁' : '禁言' }}</a>
                  <a style="cursor: pointer;color: #ff0000;margin-left:10px" @click="blockUser(u)">拉黑</a>
                  <i class="el-icon-more" slot="reference"></i>
                </el-popover>
              </el-col>
            </el-row>
          </el-scrollbar>
        </el-tab-pane>
        <el-tab-pane :label="silencedUserLabel" name="silenced">
          <el-scrollbar ref="manageLeftRef_silenced" style="height: 800px; width: 100%;">
            <el-row style="margin-top: 10px" type="flex" align="middle" v-for="u in silencedDisplayList" :key="u.userId">
              <el-col :span="20">
                <el-row type="flex" align="middle">
                  <el-col :span="4" style="padding-left: 10px;"><el-avatar :src="u.avatar"></el-avatar></el-col>
                  <el-col :span="19" :offset="1">{{ u.nickName }}</el-col>
                  <el-col :span="19" :offset="1">{{ u.userId }}</el-col>
                </el-row>
              </el-col>
              <el-col :span="4" >
                <el-popover
                  width="100"
                  trigger="click">
                  <a style="cursor: pointer;color: #ff0000;" @click="changeUserState(u)">{{ u.msgStatus === 1 ? '解禁' : '禁言' }}</a>
                  <a style="cursor: pointer;color: #ff0000;margin-left:10px" @click="blockUser(u)">拉黑</a>
                  <i class="el-icon-more" slot="reference"></i>
                </el-popover>
              </el-col>
            </el-row>
          </el-scrollbar>
        </el-tab-pane>
      </el-tabs>
    </el-col>
    <!-- 用户列表 end -->
  </el-row>
  <!-- 直播中控台  end -->
  </div>
</template>

<script>
import { blockUser,changeUserStatus,getLiveUserTotals, watchUserList } from '@/api/live/liveWatchUser'
import { getLiveVideoByLiveId } from '@/api/live/liveVideo'
import {getLive, getLivingUrl} from '@/api/live/live'
import { getLiveOrderTimeGranularity } from '@/api/live/liveOrder'
import { listLiveMsg } from '@/api/live/liveMsg'
import Hls from 'hls.js';
import LiveLotteryConf from '@/views/live/liveConfig/liveLotteryConf.vue'
import LiveRedConf from '@/views/live/liveConfig/liveRedConf.vue'
import LiveGoods from '@/views/live/liveConfig/goods.vue'
import LiveLiveCoupon from '@/views/live/liveConfig/liveCoupon.vue'
import * as echarts from 'echarts'

export default {
  name: "LiveConsole",
  components: { LiveLotteryConf,LiveRedConf },
  data() {
    return {
      loading:true,
      tabLeft: {
        activeName: "online",
      },
      tabRight: {
        activeName: "talk",
      },
      livingUrl:"",
      videoUrl: "",
      status: 0,
      loadMsgMaxPage: 2,
      liveVideo: {},
      liveWsUrl: process.env.VUE_APP_LIVE_WS_URL + '/app/webSocket',
      userParams:{
        pageNum: 1,
        pageSize: 10,
        liveId: null
      },
      msgParams: {
        pageNum: 1,
        pageSize: 10,
        liveId: null
      },
      userList: [],
      msgList: [],
      newMsg: '',
      isAudit: false,
      myChart: null, // 用于存储 ECharts 实例
      liveType: 1,
      tableRadio: '订单数',
      searchQuery: {timeOptions:'2',timeGranularity:'10',liveId: null},
      timeOptions: [
        {value:'2',label:'最近2小时',key:'2'},
        {value:'4',label:'最近4小时',key:'4'},
        {value:'all',label:'全场',key:'all'},
      ],
      timeGranularity: [
        {value:'10',label:'10分钟',key:'10'},
        {value:'30',label:'30分钟',key:'30'},
        {value:'60',label:'1小时',key:'60'},
      ],
      videoDuration: 0,
      startTime: null,
      processInterval: null,
      // ... 其他数据
      chatScrollTop: 0, // 保存聊天滚动位置
      socket: null,
      userTotal: {
        online: 0,       // 在线总人数
        offline: 0,      // 离线总人数
        silenced: 0      // 禁言总人数
      },
      // 各Tab的显示列表（仅存储当前需要展示的数据）
      onlineDisplayList: [],    // 在线用户显示列表
      offlineDisplayList: [],   // 离线用户显示列表
      silencedDisplayList: [],  // 禁言用户显示列表
      // 各Tab的分页参数
      pageParams: {
        online: {
          currentPage: 1,       // 当前页（下一页加载用）
          pageSize: 20,       // 当前页（下一页加载用）
          prevPage: 0,          // 上一页页码（上一页加载用）
          totalLoaded: 0,       // 已加载总条数
          total: 0,             // 总数据量
          hasMore: true,        // 是否有下一页
          hasPrev: false        // 是否有上一页
        },
        offline: {
          currentPage: 1,
          pageSize: 20,
          prevPage: 0,
          totalLoaded: 0,
          total: 0,
          hasMore: true,
          hasPrev: false
        },
        silenced: {
          currentPage: 1,
          pageSize: 20,
          prevPage: 0,
          totalLoaded: 0,
          total: 0,
          hasMore: true,
          hasPrev: false
        }
      },
      scrLoading: {
        online: { next: false, prev: false },
        offline: { next: false, prev: false },
        silenced: { next: false, prev: false }
      }
    }
  },
  created() {
    // this.getLiveVideo()
    this.getList()
    this.connectWebSocket()
    this.getLive()
    this.searchQuery.liveId = this.liveId
  },
  computed: {
    liveId() {
      return this.$route.params.liveId;
    },
    userId() {
      return this.$store.state.user.user.userId
    },
    companyId() {
      return this.$store.state.user.user.companyId
    },
    onlineLabel() {
      return `在线(${this.userTotal.online})`;
    },
    offlineLabel() {
      return `离线(${this.userTotal.offline})`;
    },
    silencedUserLabel() {
      return `禁言(${this.userTotal.silenced})`;
    }
  },
  mounted() {

    this.$nextTick(() => {
      this.restoreChatScrollPosition();
    });
    this.getEchartsTables();
    // 添加滚动事件监听器
    this.$nextTick(() => {
      if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
        this.$refs.manageRightRef.wrap.addEventListener('scroll', this.saveChatScrollPosition);
      }
    });
    this.initScrollListeners();
  },
  beforeDestroy() {
    this.saveTabScrollPositions()
    // 移除滚动监听（避免内存泄漏）
    const scrollRefs = {
      online: this.$refs.manageLeftRef_online,
      offline: this.$refs.manageLeftRef_offline,
      silenced: this.$refs.manageLeftRef_silenced
    };
    Object.keys(scrollRefs).forEach(tabName => {
      const scrollEl = scrollRefs[tabName]?.wrap;
      if (scrollEl) {
        scrollEl.removeEventListener('scroll', () =>
          this.handleTabScroll(tabName, scrollEl)
        );
      }
    })
  },
  // 使用 deactivated 和 activated 钩子替代 beforeDestroy 和 destroyed
  deactivated() {
    this.saveChatScrollPosition();
  },

  activated() {
    this.$nextTick(() => {
      this.restoreChatScrollPosition();
    });
    this.$nextTick(() => {
      const video = this.$refs.videoPlayer;
      if (video != null) {
        this.initVideoPlayer(this.liveInfo.startTime)
      }
    })
  },
  methods: {
    updateVideoPosition(video){
      const currentTime = new Date().getTime(); // 当前时间戳（毫秒）
      const elapsedTime = currentTime - this.startTime; // 已流逝时间（毫秒）

      if (elapsedTime < 0) {
        // 未开播：视频停在初始位置
        video.currentTime = 0;
        return;
      }

      // 已开播：计算视频循环后的位置（流逝时间 % 视频时长）
      const elapsedSeconds = elapsedTime / 1000; // 转换为秒
      const videoPosition = elapsedSeconds % this.videoDuration; // 视频内的播放位置（秒）

      // 设置视频播放位置
      video.currentTime = videoPosition;
    },
    updateProgress() {
      const progressBar = this.$refs.progressBar;
      const elapsedTimeEl = this.$refs.elapsedTime;
      if (!this.videoDuration) return; // 视频时长未加载时不更新

      const currentTime = new Date().getTime();
      const elapsedTime = currentTime - this.startTime; // 总流逝时间（毫秒）

      if (elapsedTime < 0) {
        // 未开播状态
        progressBar.style.width = '0%';
        elapsedTimeEl.textContent = '00:00:00';
        return;
      }

      // 计算进度百分比（基于视频循环）
      const elapsedSeconds = elapsedTime / 1000;
      const videoPosition = elapsedSeconds % this.videoDuration; // 当前在视频中的位置
      const progressPercent = (videoPosition / this.videoDuration) * 100; // 进度百分比

      // 更新进度条宽度
      progressBar.style.width = `${progressPercent}%`;

      // 格式化总流逝时间为“时:分:秒”并显示
      elapsedTimeEl.textContent = this.formatTime(elapsedTime);
    },
    formatTime(ms) {
      const totalSeconds = Math.floor(ms / 1000);
      const hours = Math.floor(totalSeconds / 3600);
      const minutes = Math.floor((totalSeconds % 3600) / 60);
      const seconds = totalSeconds % 60;

      // 补零处理（确保两位数）
      return `${hours.toString().padStart(2, '0')}:${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
    },
    initVideoPlayer: function (startTime) {
      const video = this.$refs.videoPlayer;
      this.hls = new Hls();
      this.hls.attachMedia(video);
      this.hls.on(Hls.Events.MEDIA_ATTACHED, () => {
        this.hls.loadSource(this.videoUrl);
        this.hls.on(Hls.Events.STREAM_LOADED, (event, data) => {
          video.play();
        });
      });
      this.hls.on(Hls.Events.ERROR, (event, data) => {
        console.error('HLS 错误:', data);
      });

      // 1. 初始化开播时间
      startTime = new Date(startTime).getTime();
      this.startTime = startTime;
      // 2. 监听视频元数据加载完成（获取视频时长）
      video.addEventListener('loadedmetadata', () => {
        this.videoDuration = video.duration; // 获取视频时长（秒）

        // 初始化视频播放位置
        this.updateVideoPosition(video);

        // 启动实时进度更新（每秒刷新一次）
        this.processInterval = setInterval(this.updateProgress, 1000);
      });

    },
    // 保存聊天滚动位置
    saveChatScrollPosition() {
      if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
        this.chatScrollTop = this.$refs.manageRightRef.wrap.scrollHeight - this.$refs.manageRightRef.wrap.clientHeight;
      }
    },

    // 恢复聊天滚动位置
    restoreChatScrollPosition() {
      if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
        this.$refs.manageRightRef.wrap.scrollTop = this.chatScrollTop;
      }
    },
    // ... 其他方法 ...
    timeChange(val) {
      this.searchQuery.timeOptions = val
      this.getEchartsTables(this.searchQuery)
      this.initChart()
    },
    timeGranularityChange(val) {
      this.searchQuery.timeGranularity =  val
      this.getEchartsTables()
      this.initChart()
    },
    getEchartsTables() {
      getLiveOrderTimeGranularity(this.searchQuery).then(res => {
        if (res.code == 200) {
          this.echartsXLine = res.hourlySlots
          this.echartsXValue = res.hourlySlotsValue
          this.initChart()
        }
      })
    },
    initChart() {
      const chartDom = this.$refs.chartContainer;
      this.myChart = echarts.init(chartDom);
      const option = {
        tooltip: {trigger: 'axis'},
        legend: {data: ['订单数']},
        xAxis: {type: 'category', boundaryGap: false, data: this.echartsXLine},
        yAxis: {type: 'value'},
        series: [
          {name: '订单数', type: 'line', data: this.echartsXValue}
        ],
      };
      this.myChart.setOption(option);
    },
    handleClickGoods(){
      this.$router.push({
        name: 'LiveGoods',
        query: {
          liveId: this.liveId
        }
      })
    },
    updateLiveProgress() {
      const elapsedTimeEl = this.$refs.liveElapsedTime;

      const currentTime = new Date().getTime();
      const elapsedTime = currentTime - this.startTime; // 总流逝时间（毫秒）

      if (elapsedTime < 0) {
        elapsedTimeEl.textContent = '00:00:00';
        return;
      }


      // 格式化总流逝时间为“时:分:秒”并显示
      elapsedTimeEl.textContent = this.formatTime(elapsedTime);
    },
    handleClickOrder(){
      this.$router.push({
        name: 'LiveOrder',
        query: {
          liveId: this.liveId
        }
      })
    },
    handleClickCoupon(){
      this.$router.push({
        name: 'LiveLiveCoupon',
        query: {
          liveId: this.liveId
        }
      })
    },
    getLive(){
      getLive(this.liveId).then(res => {
        if (res.code == 200) {
          if (res.data.isAudit != 1) {
            this.$message.error("当前直播间未经审核");
            this.loading = false
            return
          }
          this.isAudit = true
          this.status = res.data.status
          if(res.data.status == 4){
            this.liveType = 3
            this.videoUrl = res.data.videoUrl;
          }else {
            if (res.data.status != 2) {
              this.$message.error("当前直播间未直播");
              this.loading = false
              return
            }
            if (res.data.liveType == 1) {
              this.livingUrl = res.data.flvHlsUrl
              this.livingUrl = this.livingUrl.replace("flv","m3u8")
              this.$nextTick(() => {
                this.initPlayer()
              })
              this.startTime = new Date(res.data.startTime).getTime()
              this.processInterval = setInterval(this.updateLiveProgress, 1000);
            } else {
              this.liveType = 2
              this.videoUrl = res.data.videoUrl;
              this.$nextTick(() => {
                this.initVideoPlayer(res.data.startTime)
              })
            }
          }
          this.loading = false
        } else {
          this.$message.error(res.msg)
          this.loading = false
        }
        this.liveInfo = res.data
      })
    },
    handleClickLottery(){
      this.$router.push({
        name: 'LiveLotteryConf',
        query: {
          liveId: this.liveId
        }
      })
    },
    handleClickRed(){
      this.$router.push({
        name: 'LiveRedConf',
        query: {
          liveId: this.liveId
        }
      })
    },
    getLiveUrl(){
      getLivingUrl(this.liveId).then(res=>{
        if(res.code === 200){
          this.livingUrl = res.livingUrl
          this.initPlayer()
        }
      })
    },
    initPlayer(){
      var isUrl = this.livingUrl === null || this.livingUrl.trim() === ''
      if (isUrl) {
        console.error('直播地址为空，无法初始化播放器')
        return
      }
      if (Hls.isSupported() && !isUrl) {
        const videoElement = this.$refs.livingPlayer
        if (!videoElement) {
          console.error('找不到 video 元素')
          return
        }
        this.hls = new Hls();
        this.hls.attachMedia(videoElement);
        this.hls.on(Hls.Events.MEDIA_ATTACHED, () => {
          this.hls.loadSource(this.livingUrl);
          this.hls.on(Hls.Events.STREAM_LOADED, (event, data) => {
            videoElement.play();
          });
        });
        this.hls.on(Hls.Events.ERROR, (event, data) => {
          console.error('HLS 错误:', data);
        });
      } else {
        console.error('浏览器不支持 HLS')
      }
    },
    handleClick(tab) {
      const tabName = tab.name;
      const params = this.pageParams[tabName];
      const displayList = this[`${tabName}DisplayList`];
      // 首次切换到该Tab或列表为空时初始化
      if (displayList.length < 20) {
        // 重置分页参数
        params.currentPage = 1;
        params.pageSize = 20;
        params.prevPage = 0;
        params.totalLoaded = 0;
        params.hasMore = true;
        params.hasPrev = false;
        // 加载第一页
        this.loadNextPage(tabName);
      } else {
        // 非首次切换，恢复滚动位置
        this.$nextTick(() => {
          const scrollEl = this.getScrollElement(tabName);
          if (scrollEl) {
            scrollEl.scrollTop = this.tabScrollPositions[tabName] || 0;
          }
        });
      }
    },
    saveTabScrollPositions() {
      this.tabScrollPositions = {
        online: this.getScrollElement('online')?.scrollTop || 0,
        offline: this.getScrollElement('offline')?.scrollTop || 0,
        silenced: this.getScrollElement('silenced')?.scrollTop || 0
      };
    },
    // 加载指定Tab的用户列表（核心加载逻辑）
    loadNextPage(tabName) {
      const params = this.pageParams[tabName];
      const displayList = this[`${tabName}DisplayList`];
      // 若没有更多数据或正在加载，直接返回
      if (!params.hasMore || this.scrLoading[tabName].next) {
        return;
      }

      this.scrLoading[tabName].next = true;
      const queryParams = {
        liveId: this.liveId,
        pageNum: params.currentPage,
        pageSize: 20,
        online: tabName === 'online' ? 0 : 1,
        msgStatus: tabName === 'silenced' ? 1 : 0
      };
      // 调用接口加载对应状态的分页数据（需后端支持按状态筛选）
      watchUserList(queryParams).then(response => {
        this.scrLoading[tabName].next = false;
        if (response.code !== 200) return;

        const { rows, total } = response;
        params.total = total; // 记录总数据量
        // 过滤重复数据（基于userId）
        const newRows = rows.filter(row =>
          !displayList.some(u => u.userId === row.userId)
        );
        displayList.push(...newRows)
        // 添加新数据并限制最大长度（避免内存占用过大）
        if (displayList.length >= 40) { // 最大保留100条
          this[`${tabName}DisplayList`] = displayList.slice(-40);
          // 记录滚动位置（用于加载后校准）
          const scrollEl = this.getScrollElement(tabName);
          // 校准滚动位置（保持视觉连续性）
          this.$nextTick(() => {
            if (scrollEl) {
              scrollEl.scrollTop = scrollEl.scrollHeight * 0.5;
            }
          });
        }
        // 更新分页状态
        params.hasMore = params.currentPage * params.pageSize < total;
        params.currentPage += 1;
        params.hasPrev = params.currentPage > 2; // 当前页>2时一定有上一页
        params.prevPage = params.currentPage - 2;
      }).catch(() => {
        this.scrLoading[tabName].next = false;
      });
    },
    // 新增：加载上一页（向上滚动时）
    loadPrevPage(tabName) {
      const params = this.pageParams[tabName];
      const displayList = this[`${tabName}DisplayList`];
      // 边界校验：无上一页/正在加载/当前页<=1
      if (!params.hasPrev || this.scrLoading[tabName].prev || params.currentPage <= 1) {
        return;
      }
      this.scrLoading[tabName].prev = true;
      const targetPage = params.prevPage > 0 ? params.prevPage : params.currentPage - 2;
      const queryParams = {
        liveId: this.liveId,
        pageNum: targetPage,
        pageSize: 20,
        online: tabName === 'online' ? 0 : 1,
        msgStatus: tabName === 'silenced' ? 1 : 0
      };
      watchUserList(queryParams).then(response => {
        this.scrLoading[tabName].prev = false;
        if (response.code !== 200) return;

        const { rows } = response;
        if (rows.length === 0) {
          params.hasPrev = false;
          return;
        }

        // 记录滚动位置（用于加载后校准）
        const scrollEl = this.getScrollElement(tabName);
        const scrollTop = scrollEl?.scrollTop || 0;
        const itemHeight = 80; // 预估行高（根据实际样式调整）
        const newItemsHeight = rows.length * itemHeight;

        // 过滤重复数据并添加到列表头部
        const newRows = rows.filter(row => !displayList.some(u => u.userId === row.userId));
        this[`${tabName}DisplayList`] = [...newRows, ...displayList];
        params.totalLoaded += newRows.length;

        // 限制最大长度
        if (this[`${tabName}DisplayList`].length > 40) {
          this[`${tabName}DisplayList`] = this[`${tabName}DisplayList`].slice(0, 40);
        }

        // 更新分页状态
        params.prevPage = targetPage - 1;
        params.hasPrev = targetPage > 1; // 上一页页码>1时还有更多上一页
        params.currentPage = params.currentPage - 1;
        if(params.currentPage * 20 < params.total) params.hasMore = true;
        // 校准滚动位置（保持视觉连续性）
        this.$nextTick(() => {
          if (scrollEl) {
            scrollEl.scrollTop = scrollEl.scrollHeight * 0.5;
          }
        });
      }).catch(() => {
        this.scrLoading[tabName].prev = false;
      });
    },
    // 辅助：获取Tab对应的滚动容器
    getScrollElement(tabName) {
      const scrollRefs = {
        online: this.$refs.manageLeftRef_online,
        offline: this.$refs.manageLeftRef_offline,
        silenced: this.$refs.manageLeftRef_silenced
      };
      return scrollRefs[tabName]?.wrap;
    },
    getLiveVideo() {
      getLiveVideoByLiveId(this.liveId).then(res => {
        this.liveVideo = res.data
      })
    },
    getList() {
      this.resetParams()
      // this.loadUserList()
      this.loadUserTotals(); // 先加载总人数
      // this.handleClick('online')
      this.handleClick({name:'online'})
      this.loadMsgList()
    },
    loadUserTotals() {
      if (!this.liveId) return;
      // 假设后端提供一个接口返回总人数（如果没有，可通过首次加载全量数据后统计）
      getLiveUserTotals({ liveId: this.liveId }).then(res => {
        if (res.code === 200) {
          this.userTotal = res.data; // { online, offline, silenced }
        }
      });
    },
    resetParams() {
      // 重置各Tab的显示列表和分页参数
      this.onlineDisplayList = [];
      this.offlineDisplayList = [];
      this.silencedDisplayList = [];
      this.pageParams = {
        online: {
          currentPage: 1,       // 当前页（下一页加载用）
          pageSize: 20,       // 当前页（下一页加载用）
          prevPage: 0,          // 上一页页码（上一页加载用）
          totalLoaded: 0,       // 已加载总条数
          total: 0,             // 总数据量
          hasMore: true,        // 是否有下一页
          hasPrev: false        // 是否有上一页
        },
        offline: {
          currentPage: 1,
          pageSize: 20,
          prevPage: 0,
          totalLoaded: 0,
          total: 0,
          hasMore: true,
          hasPrev: false
        },
        silenced: {
          currentPage: 1,
          pageSize: 20,
          prevPage: 0,
          totalLoaded: 0,
          total: 0,
          hasMore: true,
          hasPrev: false
        }
      };
      // 消息参数保留
      this.msgList = [];
      this.msgParams = {
        pageNum: 1,
        pageSize: 10,
        liveId: this.liveId
      };
    },
    loadUserList() {
      if(this.liveId == null)  return
      // 直播间用户
      watchUserList({
        liveId: this.liveId,
        pageNum: this.userParams.pageNum,
        pageSize: this.userParams.pageSize
      }).then(response => {
        let {code,rows,total} = response
        if (code === 200) {
          let totalPage = (total % this.userParams.pageSize == 0) ? Math.floor(total / this.userParams.pageSize) : Math.floor(total / this.userParams.pageSize + 1);
          rows.forEach(row => {
            if (!this.userList.some(u => u.userId === row.userId)) {
              this.userList.push(row)
            }
          })

          // 没加载完继续加载
          if (this.userParams.pageNum < totalPage) {
            this.userParams.pageNum = parseInt(this.userParams.pageNum) + 1;
            this.loadUserList()
          }
        }
      })
    },
    loadMsgList() {
      // 直播间消息
      listLiveMsg({
        liveId:this.liveId,
        pageNum: this.msgParams.pageNum,
        pageSize: this.msgParams.pageSize
      }).then(response => {
          let {code, rows,total} = response;
          if (code === 200) {
            let totalPage = (total % this.msgParams.pageSize == 0) ? Math.floor(total / this.msgParams.pageSize) : Math.floor(total / this.msgParams.pageSize + 1);
            rows.forEach(row => {
              if (!this.msgList.some(m => m.msgId === row.msgId)) {

                let user = this.userList.find(u => u.userId === row.userId)
                if (user) {
                  row.msgStatus = user.msgStatus
                } else {
                  row.msgStatus = 0
                }

                this.msgList.push(row)

                // 移动到底部
                this.$nextTick(() => {
                  setTimeout(() => {
                    this.$refs.manageRightRef.wrap.scrollTop = this.$refs.manageRightRef.wrap.scrollHeight - this.$refs.manageRightRef.wrap.clientHeight
                  }, 200)
                })
              }
            })

            // 没加载完继续加载
            if (this.msgParams.pageNum < totalPage) {
              this.msgParams.pageNum = parseInt(this.msgParams.pageNum) + 1;
              this.loadMsgList()
            }

            // 同步更新消息列表中相同用户的状态
            this.userList.forEach(u => {
              this.msgList.filter(m => m.userId === u.userId).forEach(m => m.msgStatus = u.msgStatus)
            })
          }
        })

      // 添加滚动监听
      this.$nextTick(() => {
        this.$refs.manageRightRef.wrap.addEventListener("scroll", this.manageRightScroll)
      })
    },
    manageRightScroll() {
      this.saveChatScrollPosition();
    },
    blockUser(u){
      this.$confirm('是否确认封禁用户账号为:"' + u.nickName + '-' + u.userId + '"?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function() {
        let msg = {
          msg: "",
          liveId: this.liveId,
          userId: u.userId,
          userType: 0,
          cmd: 'blockUser',
          avatar: this.$store.state.user.user.avatar,
          nickName: this.$store.state.user.user.nickName
        }
        this.socket.send(JSON.stringify(msg))
        return blockUser(u.userId);
      }).then(() => {
        this.msgSuccess("封禁成功");
      }).catch(() => {});
    },
    changeUserState(u) {
      // 修改状态
      changeUserStatus({liveId: u.liveId, userId: u.userId}).then(response => {
        let { code } = response;
        if (200 === code) {
          u.msgStatus = u.msgStatus === 0 ? 1 : 0
          // 同步更新消息列表中相同用户的状态
          this.msgList.forEach(msg => {
            if (msg.userId === u.userId) {
              msg.msgStatus = u.msgStatus;
            }
          });

          this.userList.forEach(user => {
            if (user.userId === u.userId) {
              user.msgStatus = u.msgStatus;
            }
          });
          // 4. 关键：重新筛选所有Tab的显示列表，确保状态同步
          this.refreshUserDisplayLists(u);

          let msg = u.msgStatus === 0 ? "已解禁" : "已禁言"
          this.msgSuccess(msg);
          return
        }
        this.msgError("操作失败");
      })
    },
    // 新增：重新筛选所有Tab的显示列表
    refreshUserDisplayLists(user) {
      const { userId, msgStatus: newStatus, online } = user;
      const oldStatus = newStatus === 1 ? 0 : 1; // 操作前的状态（反向）

      // 1. 禁言操作（newStatus=1）：从原在线/离线列表移除，加入禁言列表
      if (newStatus === 1) {
        // 从在线/离线列表中移除该用户（根据当前在线状态）
        if (online === 0) {
          this.onlineDisplayList = this.onlineDisplayList.filter(u => u.userId !== userId);
          this.userTotal.online = Math.max(0, this.userTotal.online - 1);
        } else {
          this.offlineDisplayList = this.offlineDisplayList.filter(u => u.userId !== userId);
          this.userTotal.offline = Math.max(0, this.userTotal.offline - 1);
        }
        this.userTotal.silenced = this.userTotal.silenced + 1;
        // 添加到禁言列表（去重+限制长度）
        const silencedList = this.silencedDisplayList.filter(u => u.userId !== userId);
        silencedList.push(user);
        this.silencedDisplayList = silencedList.slice(-40);
      }

      // 2. 解禁操作（newStatus=0）：从禁言列表移除，回到原在线/离线列表
      else {
        // 从禁言列表移除
        this.silencedDisplayList = this.silencedDisplayList.filter(u => u.userId !== userId);
        this.userTotal.silenced = Math.max(0, this.userTotal.silenced - 1);
        // 回到对应的在线/离线列表（根据当前在线状态）
        if (online === 0) {
          // 加入在线列表（去重+限制长度）
          const onlineList = this.onlineDisplayList.filter(u => u.userId !== userId);
          onlineList.push(user);
          this.onlineDisplayList = onlineList.slice(-40);
          this.userTotal.online = this.userTotal.online + 1;
        } else {
          // 加入离线列表（去重+限制长度）
          const offlineList = this.offlineDisplayList.filter(u => u.userId !== userId);
          offlineList.push(user);
          this.offlineDisplayList = offlineList.slice(-40);
          this.userTotal.offline = this.userTotal.offline + 1;
        }
      }
    },
    connectWebSocket() {
      this.$store.dispatch('initLiveWs', {
        liveWsUrl: this.liveWsUrl,
        liveId: this.liveId,
        userId: this.userId
      })
      this.socket = this.$store.state.liveWs[this.liveId]
      this.socket.onmessage = (event) => this.handleWsMessage(event)
    },
    handleWsMessage(event) {
      let { code, data } = JSON.parse(event.data)
      if (code === 200) {
        let { cmd } = data
        if (cmd === 'sendMsg') {
          let message = JSON.parse(data.data)

          let user = this.userList.find(u => u.userId === message.userId)
          if (user) {
            message.msgStatus = user.msgStatus
          } else {
            message.msgStatus = 0
          }
          delete message.params
          if(this.msgList.length > 50){
            this.msgList.shift()
          }
          this.msgList.push(message)
          // 移动到底部
          this.$nextTick(() => {
            setTimeout(() => {
              this.$refs.manageRightRef.wrap.scrollTop = this.$refs.manageRightRef.wrap.scrollHeight - this.$refs.manageRightRef.wrap.clientHeight
            }, 200)
          })
        }
        else if (cmd === 'entry' || cmd === 'out') {
          const user = data;
          const online = cmd === 'entry' ? 0 : 1; // 0=在线，1=离线
          const info = {
            online:online,
            msgStatus: user.msgStatus || 0,
            nickName: user.nickName || '',
            userType: user.userType || 0,
            userId: user.userId || '',
          };

          // 1. 更新总人数（在线/离线互转）
          if (cmd === 'entry') {
            this.userTotal.online += 1;
            this.userTotal.offline = Math.max(0, this.userTotal.offline - 1); // 确保不小于0
          } else {
            this.userTotal.offline += 1;
            this.userTotal.online = Math.max(0, this.userTotal.online - 1); // 确保不小于0
          }
          // 2. 强制更新相关列表（无论当前激活哪个Tab）
          if (cmd === 'entry') {
            // 用户进入：从离线列表删除，添加到在线列表
            this.offlineDisplayList = this.offlineDisplayList.filter(u => u.userId !== user.userId);
            const newOnlineList = this.onlineDisplayList.filter(u => u.userId !== user.userId);
            newOnlineList.push(info);
            this.onlineDisplayList = newOnlineList.slice(-40); // 限制最大50条
          } else {
            // 用户离开：从在线列表删除，添加到离线列表
            this.onlineDisplayList = this.onlineDisplayList.filter(u => u.userId !== user.userId);
            const newOfflineList = this.offlineDisplayList.filter(u => u.userId !== user.userId);
            newOfflineList.push(info);
            this.offlineDisplayList = newOfflineList.slice(-40); // 限制最大50条
          }
          // 3. 处理禁言列表（如果用户是禁言状态，无论进出都要同步）
          if (info.msgStatus === 1) {
            // 禁言用户：从禁言列表删除旧数据，添加新数据
            const newSilencedList = this.silencedDisplayList.filter(u => u.userId !== user.userId);
            newSilencedList.push(info);
            this.silencedDisplayList = newSilencedList.slice(-40);
          } else {
            // 非禁言用户：从禁言列表删除（如果存在）
            this.silencedDisplayList = this.silencedDisplayList.filter(u => u.userId !== user.userId);
          }
        } else if (cmd === 'live_start') {

        } else if (cmd === 'live_end') {

        }
      }
    },
    sendMessage() {
      // 发送前简单校验
      if (this.newMsg.trim() === '') {
        return;
      }

      let msg = {
        msg: this.newMsg,
        liveId: this.liveId,
        userId: this.userId,
        userType: 1,
        cmd: 'sendMsg',
        avatar: this.$store.state.user.user.avatar,
        nickName: this.$store.state.user.user.nickName
      }

      this.socket.send(JSON.stringify(msg))

      this.newMsg = '';
    },
    // 初始化滚动监听（在mounted中调用）
    initScrollListeners() {
      // 为每个Tab的滚动容器添加监听
      this.$nextTick(() => {
        const scrollRefs = {
          online: this.$refs.manageLeftRef_online,
          offline: this.$refs.manageLeftRef_offline,
          silenced: this.$refs.manageLeftRef_silenced
        };

        Object.keys(scrollRefs).forEach(tabName => {
          const scrollEl = scrollRefs[tabName]?.wrap;
          if (scrollEl) {
            scrollEl.addEventListener('scroll', () =>
              this.handleTabScroll(tabName, scrollEl)
            );
          }
        });
      });
    },
    handleTabScroll(tabName, scrollEl) {
      const { scrollTop, scrollHeight, clientHeight } = scrollEl;
      const bottomThreshold = 50; // 距离底部100px触发下一页
      const topThreshold = 50;    // 距离顶部100px触发上一页

      // 加载下一页（滚动到底部附近）
      if (scrollHeight - scrollTop - clientHeight < bottomThreshold) {
        this.loadNextPage(tabName);
      }

      // 加载上一页（滚动到顶部附近）
      if (scrollTop < topThreshold) {
        this.loadPrevPage(tabName);
      }
    },
  },
  destroyed() {
    this.hls?.destroy();
    clearInterval(this.processInterval)
  }
}
</script>

<style scoped>
.talk-list{
  display: flex;
}
  .live-console {
    width: 90vw;
    padding: 10px 0;
  }
  .live-console .live-console-col {
    height: 88vh;
    margin-left: 5px;
    padding: 0 10px;
    background-color: white;
    border-radius: 4px;
  }
  /*隐藏水平滚动条*/
  ::v-deep .el-scrollbar__wrap {
    overflow-x: hidden;
  }
  /* 消息输入区域 */
  .chat-input {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ebeef5;
    background-color: #fff;
    min-height: 120px;
  }

  .chat-input .el-input {
    flex: 1;
    margin-right: 10px;
  }

  .chat-input .el-textarea__inner {
    resize: none;
    min-height: 100px;
  }
  ::v-deep .el-textarea__inner {
    border: none !important;
    box-shadow: none !important;
    resize: none !important;
  }
  ::v-deep .el-textarea__inner:focus {
    border: none !important;
    box-shadow: none !important;
  }

</style>
