<template>
  <div class="console">

    <div class="left-panel">
      <h2>学员列表</h2>
      <div class="search">
        <input type="text" placeholder="搜索用户昵称" v-model="searchKeyword">
        <button @click="searchUsers()">搜索</button>
      </div>
      <el-tabs class="live-console-tab-right" v-model="tabLeft.activeName" @tab-click="handleUserClick" :stretch="true">
        <el-tab-pane :label="alLabel" name="al">
          <el-scrollbar class="custom-scrollbar" ref="manageLeftRef_al" style="height: 800px; width: 100%;">
            <el-row class='scrollbar-demo-item' v-for="u in alDisplayList" :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="onlineLabel" name="online">
          <el-scrollbar class="custom-scrollbar" ref="manageLeftRef_online" style="height: 800px; width: 100%;">
            <el-row class='scrollbar-demo-item' 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 class="custom-scrollbar" ref="manageLeftRef_offline" style="height: 800px; width: 100%;">
            <el-row class='scrollbar-demo-item' 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>
                  <i class="el-icon-more" slot="reference"></i>
                  <a style="cursor: pointer;color: #ff0000;margin-left:10px" @click="blockUser(u)">拉黑</a>
                </el-popover>
              </el-col>
            </el-row>
          </el-scrollbar>
        </el-tab-pane>
        <el-tab-pane :label="silencedUserLabel" name="silenced">
          <el-scrollbar class="custom-scrollbar" ref="manageLeftRef_silenced" style="height: 800px; width: 100%;">
            <el-row class='scrollbar-demo-item' 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>
    </div>

    <div class="middle-panel">
      <h2>消息管理</h2>


      <div class="discussion-messages">
        <h3>讨论区消息</h3>
        <div class="message-settings">
          <label>
            <input type="checkbox" v-model="globalVisible" @change="globalVisibleChange">
            全局用户自见
          </label>
        </div>
        <div class="message-container" @click="handleMessageBoxClick">
          <el-scrollbar class="custom-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.stop="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.stop="blockUser(m)">拉黑</a>
                    <a v-if="m.singleVisible === 1" style="cursor: pointer;color: #ff0000;padding: 8px 8px 0 0;font-size: 12px;" @click.stop="singleVisible(m)">解除用户自见</a>
                    <a v-else style="cursor: pointer;color: #ff0000;padding: 8px 8px 0 0;font-size: 12px;" @click.stop="singleVisible(m)">用户自见</a>
                    <a style="cursor: pointer;color: #ff0000;padding: 8px 8px 0 0;font-size: 12px;" @click.stop="deleteMsg(m)">删除</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>
          <!-- 加载最新消息按钮 -->
          <el-button
            v-if="showLoadLatestBtn"
            class="load-latest-btn"
            type="primary"
            size="small"
            @click.stop="loadLatestMessages"
            icon="el-icon-refresh">
            加载最新消息
          </el-button>
        </div>
        <!--        <div class="message-list">-->
        <!--          <div class="message-item" v-for="msg in msgList" :key="msg.id">-->
        <!--            <div class="message-avatar">-->
        <!--              <img :src="msg.avatar" alt="用户头像">-->
        <!--            </div>-->
        <!--            <div class="message-content">-->
        <!--              <div class="message-user">{{ msg.user }}</div>-->
        <!--              <div class="message-text">{{ msg.text }}</div>-->
        <!--            </div>-->
        <!--            <div class="message-actions">-->
        <!--&lt;!&ndash;              <button @click="toggleVisible(msg)">&ndash;&gt;-->
        <!--&lt;!&ndash;                {{ msg.isVisible ? '仅用户自见' : '全局可见' }}&ndash;&gt;-->
        <!--&lt;!&ndash;              </button>&ndash;&gt;-->
        <!--              <button @click="deleteMessage(msg)">删除</button>-->
        <!--            </div>-->
        <!--          </div>-->
        <!--        </div>-->
      </div>
      <div class="system-messages">
        <h3>系统消息</h3>
        <textarea placeholder="输入系统消息" v-model="newMsg"></textarea>
        <div class="message-actions">
          <button @click="sendMessage">发送消息</button>
          <button @click="sendPopMessage">弹窗消息</button>
          <button @click="showTopMsgDialog">顶部消息</button>
        </div>
      </div>
    </div>

    <div class="right-panel">
      <h2>运营工具</h2>
      <div class="live-player">
        <h3>直播观看</h3>
        <LivePlayer ref="livePlayer" :videoParam="videoParam" />
      </div>

      <div class="automation">
        <h3>运营自动化</h3>
        <div class="timeline">
          <h4>时间轴设置</h4>
          <div class="timeline-items">
            <div class="timeline-item" v-for="item in timelineItems.slice(0,2)" :key="item.time">
              <div class="time">{{ formatDate(item.absValue) }}</div>
              <div class="action">{{ item.taskName }}</div>
              <button class="delete" @click="removeTimelineItem(item)">删除</button>
            </div>
          </div>
          <!--          <button class="add" @click="addTimelineItem">添加时间节点</button>-->
        </div>
      </div>

      <div class="watermark">
        <h3>直播氛围自动化</h3>
        <div class="watermark-settings">
          <textarea :disabled="autoWatermark" v-model="watermarkTemplate" placeholder="水军弹幕内容模板，每行一条"></textarea>
          <div class="watermark-options">
            <label>
              发送间隔:
              <input type="number" :disabled="autoWatermark" v-model.number="interval" min="1">
              秒
            </label>
            <label>
              <input type="checkbox" v-model="autoWatermark" @change="changeAutoWatermark">
              启用水军自动化
            </label>
          </div>
        </div>
      </div>
    </div>

    <!-- 顶部消息对话框 -->
    <el-dialog title="发送顶部消息" :visible.sync="topMsgDialogVisible" width="500px">
      <el-form :model="topMsgForm" label-width="100px">
        <el-form-item label="消息内容">
          <el-input
            type="textarea"
            v-model="topMsgForm.msg"
            placeholder="请输入消息内容"
            :rows="3"
          ></el-input>
        </el-form-item>
        <el-form-item label="显示时长">
          <el-input-number
            v-model="topMsgForm.duration"
            :min="1"
            :max="60"
            placeholder="请输入显示时长（分钟）"
          ></el-input-number>
          <span style="margin-left: 10px;">分钟</span>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="topMsgDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="sendTopMessage">确 定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import LivePlayer from './LivePlayer.vue';
import {blockUser, changeUserStatus, getLiveUserTotals, dashBoardWatchUserList} from '@/api/live/liveWatchUser'
import { listLiveSingleMsg,delLiveMsg } from '@/api/live/liveMsg'
import { getLive } from '@/api/live/live'
import { consoleList } from '@/api/live/task'
import ScreenScale from './ScreenScale.vue'; // 路径根据实际位置调整


export default {
  components: {
    LivePlayer,ScreenScale
  },
  props: {
    liveId: {
      type: String,
      default: null
    }
  },
  data() {
    return {
      watermarkIndex: 0,
      watermarkList:[],
      watermarkTemplate: '',
      liveInfo: {},
      videoParam:{
        startTime:'',
        livingUrl: '',
        liveType: 1,
        videoUrl: '',
      },
      msgList:[],
      currentTab: 'al',
      searchKeyword: '',
      globalVisible: false,
      interval: 10,
      autoWatermark: false,
      streamUrl: 'rtmp://your-live-stream-url',
      users: [
        { id: 1, name: '用户1', avatar: 'https://via.placeholder.com/40', status: 'online', statusText: '在线', silenced: false, msgStatus: false },
        { id: 2, name: '用户2', avatar: 'https://via.placeholder.com/40', status: 'online', statusText: '在线', silenced: false, msgStatus: true },
        { id: 3, name: '用户3', avatar: 'https://via.placeholder.com/40', status: 'offline', statusText: '离线', silenced: true, msgStatus: false },
        { id: 4, name: '用户4', avatar: 'https://via.placeholder.com/40', status: 'online', statusText: '在线', silenced: false, msgStatus: false },
        { id: 5, name: '用户5', avatar: 'https://via.placeholder.com/40', status: 'offline', statusText: '离线', silenced: false, msgStatus: false }
      ],
      messages: [
        { id: 1, user: '用户1', avatar: 'https://via.placeholder.com/30', text: '这个产品怎么样？', isVisible: true },
        { id: 2, user: '用户2', avatar: 'https://via.placeholder.com/30', text: '看起来不错', isVisible: true },
        { id: 3, user: '用户3', avatar: 'https://via.placeholder.com/30', text: '有优惠吗？', isVisible: true }
      ],
      timelineItems: [
        { "searchValue": null,
          "createBy": null,
          "createTime": "2025-09-23 10:36:17",
          "updateBy": null,
          "updateTime": "2025-10-17 09:18:00",
          "remark": null,
          "params": {},
          "id": 6573,
          "liveId": 128,
          "taskName": "2",
          "taskType": 1,
          "triggerType": 2,
          "triggerValue": "2025-01-01T00:02:00.000+0800",
          "absValue": "2025-11-23T10:43:00.000+0800",
          "status": 1,
          "finishStatus": 0 },
      ],
      userTotal: {
        online: 0,       // 在线总人数
        offline: 0,      // 离线总人数
        silenced: 0,      // 禁言总人数
        al: 0
      },
      tabLeft: {
        activeName: "al",
      },
      taskParams:{
        currentPage: 1,
        pageSize: 20,
        prevPage: 0,
        totalLoaded: 0,
        total: 0,
        hasMore: true,
        hasPrev: false
      },
      loadMsgMaxPage: 2,
      liveWsUrl: process.env.VUE_APP_LIVE_WS_URL + '/app/webSocket',
      alDisplayList: [],
      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: {
        al: {
          currentPage: 1,
          pageSize: 20,
          prevPage: 0,
          totalLoaded: 0,
          total: 0,
          hasMore: true,
          hasPrev: false
        },
        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: {
        al: { next: false, prev: false },
        online: { next: false, prev: false },
        offline: { next: false, prev: false },
        silenced: { next: false, prev: false }
      },
      newMsg:'',
      autoMsgTimer: null,
      checkInterval: 2000, // 检查间隔（1分钟，可根据需求调整）
      topMsgDialogVisible: false,
      topMsgForm: {
        msg: '',
        duration: 5
      },
      // 消息滚动控制
      isAutoScrollEnabled: true, // 是否启用自动滚动
      autoScrollTimer: null, // 自动滚动定时器
      showLoadLatestBtn: false, // 是否显示加载最新消息按钮
      msgParams: {
        pageNum: 1,
        pageSize: 30,
        liveId: null
      }
    };
  },
  computed: {
    userId() {
      return this.$store.state.user.user.userId
    },
    companyId() {
      return this.$store.state.user.user.companyId
    },
    onlineLabel() {
      return `在线(${this.userTotal.online})`;
    },
    alLabel() {
      return `全部(${this.userTotal.al})`;
    },
    offlineLabel() {
      return `离线(${this.userTotal.offline})`;
    },
    silencedUserLabel() {
      return `禁言(${this.userTotal.silenced})`;
    }
  },
  created() {
    if(!this.liveId) return
    this.getList()
    this.handleUserClick({name:'al'})
    this.connectWebSocket()
    this.getLive()
  },
  mounted() {
    this.$nextTick(() => {
      this.restoreChatScrollPosition();

      if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
        this.$refs.manageRightRef.wrap.addEventListener('scroll', this.saveChatScrollPosition);
      }
    });
    this.initScrollListeners();
  },
  methods: {
    // 点击消息框
    handleMessageBoxClick() {
      // 点击消息框时，停止自动滚动
      this.isAutoScrollEnabled = false;
      // 停止自动滚动定时器
      if (this.autoScrollTimer) {
        clearTimeout(this.autoScrollTimer);
        this.autoScrollTimer = null;
      }
      // 检查是否在底部，如果不在底部则显示加载最新消息按钮
      this.$nextTick(() => {
        if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
          const wrap = this.$refs.manageRightRef.wrap;
          const scrollHeight = wrap.scrollHeight;
          const clientHeight = wrap.clientHeight;
          const currentScrollTop = wrap.scrollTop;
          const maxScrollTop = scrollHeight - clientHeight;

          if (currentScrollTop < maxScrollTop - 50) {
            this.showLoadLatestBtn = true;
          }
        }
      });
    },
    // 滚动到底部
    scrollToBottom(forceScroll = false) {
      // 如果自动滚动被禁用且不是强制滚动，则不执行
      console.log("scrollToBottom")
      console.log(!this.isAutoScrollEnabled && !forceScroll)
      console.log(this.$refs.manageRightRef && this.$refs.manageRightRef.wrap)
      console.log(forceScroll || this.isAutoScrollEnabled)
      if (!this.isAutoScrollEnabled && !forceScroll) {
        return;
      }

      if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
        this.$nextTick(() => {
          const wrap = this.$refs.manageRightRef.wrap;
          if (!wrap) return;


          // 强制滚动或启用自动滚动时，直接滚动到底部并隐藏按钮
          if (forceScroll || this.isAutoScrollEnabled) {
            this.showLoadLatestBtn = false;
            this.$refs.manageRightRef.wrap.scrollTop = this.$refs.manageRightRef.wrap.scrollHeight - this.$refs.manageRightRef.wrap.clientHeight
          }
        });
      }
    },
    // 加载最新消息
    loadLatestMessages() {
      this.showLoadLatestBtn = false;
      // 恢复自动滚动
      this.isAutoScrollEnabled = true;
      // 重新请求最新消息
      this.resetMsgParams();
      // loadMsgList 中会自动滚动到底部，因为 isAutoScrollEnabled 已经是 true
      this.loadMsgList();
    },
    singleVisible(m){
      // 过滤当前所有消息 找到userId的相同的消息 更改他们的自可见状态
      m.singleVisible= m.singleVisible === 1 ? 0 : 1
      this.msgList.forEach(m1 => {m1.singleVisible = m1.userId === m.userId ? m.singleVisible : !m.singleVisible})
      // 消息自可见
      let msg = {
        liveId: this.liveId,
        userId: m.userId,
        userType: 0,
        cmd: 'singleVisible',
        status:m.singleVisible
      }
      this.socket.send(JSON.stringify(msg))
    },
    deleteMsg(m){
      // 1. 弹出确认对话框
      this.$confirm('此操作将永久删除该消息, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        delLiveMsg(m.msgId).then(res => {
          if (res.code === 200) {
            const index = this.msgList.findIndex(item => item.msgId === m.msgId);
            if (index !== -1) {
              this.msgList.splice(index, 1);
              console.log(`消息 ${m.msgId} 已在本地删除。`);
            }
            let msg = {
              liveId: this.liveId,
              userId: m.userId,
              msg: m.msgId, // 关键：将消息ID发送给后台
              cmd: 'deleteMsg',
            };
            this.socket.send(JSON.stringify(msg));
            // 可以在这里给用户一个删除成功的提示
            this.$message({
              type: 'success',
              message: '消息删除成功!'
            });
          }
        })
      }).catch(() => {
        // 3. 用户点击“取消”或关闭对话框后的回调
        this.$message({
          type: 'info',
          message: '已取消删除'
        });
      });
    },
    globalVisibleChange( val){
      // 消息自可见
      let msg = {
        liveId: this.liveId,
        userId: '9999',
        userType: 0,
        cmd: 'globalVisible',
        status:this.globalVisible ? 1 :0
      }
      this.socket.send(JSON.stringify(msg))
    },
    changeAutoWatermark( val){
      this.watermarkList = this.watermarkTemplate
        .split('\n')
        .map(line => line.trim())
        .filter(line => line !== '');
      if(this.watermarkTemplate.length < 1 || this.watermarkList.length === 0) {
        this.$message.warning('请先填写水印模板')
        this.$nextTick(() => {
          this.autoWatermark = false
        });
        return
      }
      this.disabled = this.autoWatermark
      if(this.autoWatermark){
        this.autoMsgTimer = setInterval(() => {
          this.sendNormalMessage()
        }, 1000 * this.interval)
      } else {
        clearInterval(this.autoMsgTimer)
        this.watermarkIndex = 0;
        this.watermarkList = [];
      }
    },
    sendNormalMessage() {
      if(this.watermarkIndex >= this.watermarkList.length){
        clearInterval(this.autoMsgTimer)
        this.watermarkIndex = 0;
        this.watermarkList = [];
        this.$message.success('自动发送消息已结束');
        this.$nextTick(() => {
          this.autoWatermark = false
        });
        return;
      }
      const curMsg = this.watermarkList[this.watermarkIndex]
      // 发送前简单校验
      if (curMsg.trim() === '') {
        return;
      }
      let msg = {
        msg: curMsg,
        liveId: this.liveId,
        userId: '9999',
        userType: 0,
        cmd: 'sendNormalMsg',
        avatar: this.$store.state.user.user.avatar,
        nickName: this.$store.state.user.user.nickName,
      }
      this.socket.send(JSON.stringify(msg))
      this.watermarkIndex += 1
    },
    // 弹窗消息
    sendPopMessage() {
      // 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: 'sendPopMsg',
        avatar: this.$store.state.user.user.avatar,
        nickName: this.$store.state.user.user.nickName,
      }

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

      this.newMsg = '';
    },
    // 显示顶部消息对话框
    showTopMsgDialog() {
      this.topMsgForm.msg = '';
      this.topMsgForm.duration = 5;
      this.topMsgDialogVisible = true;
    },
    // 发送顶部消息
    sendTopMessage() {
      // 发送前简单校验
      if (this.topMsgForm.msg.trim() === '') {
        this.$message.warning('请输入消息内容');
        return;
      }

      if (!this.topMsgForm.duration || this.topMsgForm.duration < 1) {
        this.$message.warning('请输入有效的显示时长');
        return;
      }

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

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

      this.topMsgDialogVisible = false;
      this.$message.success('顶部消息发送成功');
    },
    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 = '';
    },
    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.alDisplayList.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)
          // 如果启用自动滚动，自动滚动到底部
          console.log("handleWsMessage")
          console.log(this.isAutoScrollEnabled)
          if (this.isAutoScrollEnabled) {
            this.$nextTick(() => {
              this.autoScrollTimer = setTimeout(() => {
                this.scrollToBottom();
              }, 200);
            });
          } else {
            // 自动滚动被禁用时，显示加载最新消息按钮
            this.showLoadLatestBtn = true;
          }
        } 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') {

        }
      }
    },
    getLive(){
      getLive(this.liveId).then(res => {
        if (res.code == 200) {
          if (res.data.isAudit != 1) {
            this.$message.error("当前直播间未经审核");
            this.loading = false
            return
          }
          this.isAudit = true
          this.status = res.data.status
          this.videoParam.startTime = new Date(res.data.startTime).getTime()
          if(res.data.status == 4){
            this.videoParam.liveType = 3
            this.videoParam.videoUrl = res.data.videoUrl;
          }else {
            if (res.data.status != 2) {
              this.$message.error("当前直播间未直播");
              this.loading = false
              return
            }
            if (res.data.liveType == 1) {
              this.videoParam.livingUrl = res.data.flvHlsUrl
              this.videoParam.livingUrl = this.livingUrl.replace("flv","m3u8")
              // this.$nextTick(() => {
              //   this.initPlayer()
              // })
              // this.processInterval = setInterval(this.updateLiveProgress, 1000);
            } else {
              this.videoParam.liveType = 2
              this.videoParam.videoUrl = res.data.videoUrl;
              // this.$nextTick(() => {
              //   this.initVideoPlayer(res.data.startTime)
              // })
            }
          }
          this.$nextTick(() => {
            this.globalVisible = res.data.globalVisible
            this.$refs.livePlayer.initPlayer()
          })
          this.loading = false
        } else {
          this.$message.error(res.msg)
          this.loading = false
        }
        this.liveInfo = res.data
      })
    },
    connectWebSocket() {
      this.$store.dispatch('initLiveWs', {
        liveWsUrl: this.liveWsUrl,
        liveId: this.liveId,
        userId: this.userId
      })
      this.socket = this.$store.state.liveWs[this.liveId]
      this.socket.onmessage = (event) => this.handleWsMessage(event)
    },
    changeUserState(u) {
      const displayList = this[`${this.currentTab}DisplayList`];
      // 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;
            }
          });

          displayList.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");
      })
    },
    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;
        }
      }
    },
    blockUser(u){
      this.$confirm('是否确认封禁用户账号为:"' + u.nickName + '-' + u.userId + '"?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function() {
        return blockUser(u.userId);
      }).then(() => {
        if(u.msgStatus === 1){
          this.userTotal.silenced -= 1
          this.silencedDisplayList = this.silencedDisplayList.filter(user => user.userId !== u.userId)
        } else if( u.online === 0){
          this.userTotal.online -= 1
          this.onlineDisplayList = this.onlineDisplayList.filter(user => user.userId !== u.userId)
        } else {
          this.userTotal.offline -= 1
          this.offlineDisplayList = this.offlineDisplayList.filter(user => user.userId !== u.userId)
        }
        this.userTotal.al -= 1
        this.alDisplayList = this.alDisplayList.filter(user => user.userId !== u.userId)
        let msg = {
          msg: "",
          liveId: this.liveId,
          userId: u.userId,
          userType: 0,
          cmd: 'blockUser',
          avatar: this.$store.state.user.user.avatar,
          nickName: this.$store.state.user.user.nickName
        }
        this.socket.send(JSON.stringify(msg))
        this.msgSuccess("封禁成功");


      }).catch(() => {});
    },
    searchUsers(){
      this.resetUserParams()
      this.loadNextPage(this.currentTab)
    },
    handleUserClick(tab){
      const tabName = tab.name;
      this.currentTab = tabName;
      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;
          }
        });
      }
    },
    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,
        all: tabName === 'al' ? 1 : 0,
        userName: this.searchKeyword
      };
      // 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）
      dashBoardWatchUserList(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
      console.log(`加载 ${tabName} 上一页`);
      console.log(!params.hasPrev || this.scrLoading[tabName].prev || params.currentPage <= 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,
        all: tabName === 'al' ? 1 : 0,
        userName: this.searchKeyword
      };
      dashBoardWatchUserList(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;
      });
    },
    getList() {
      this.resetUserParams()
      this.resetMsgParams()
      // this.loadUserList()
      this.loadUserTotals(); // 先加载总人数
      // this.handleClick('online')
      // this.handleClick({name:'online'})
      this.loadMsgList()
      this.loadLiveTask()
    },
    formatDate(value) {
      // 检查值是否存在且为日期类型（或可转换为日期）
      if (!value) return '';

      let date;
      // 处理字符串类型的日期
      if (typeof value === 'string') {
        date = new Date(value);
      }
      // 处理Date对象
      else if (value instanceof Date) {
        date = value;
      }
      // 无效类型直接返回原值
      else {
        return value;
      }

      // 检查是否为有效日期
      if (isNaN(date.getTime())) {
        return value;
      }

      // 格式化年月日时分秒（补零处理）
      const year = date.getFullYear();
      const month = String(date.getMonth() + 1).padStart(2, '0');
      const day = String(date.getDate()).padStart(2, '0');
      const hours = String(date.getHours()).padStart(2, '0');
      const minutes = String(date.getMinutes()).padStart(2, '0');
      const seconds = String(date.getSeconds()).padStart(2, '0');

      return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
    },
    loadLiveTask(){
      if(!this.taskParams.hasMore) return
      const queryParams = {
        liveId: this.liveId,
        pageSize: 10,
        pageNum: 1
      }
      consoleList(queryParams).then(res => {
        let {code, rows,total} = res;
        if (code === 200) {
          this.taskParams.total = total
          this.timelineItems = rows
          if(rows.length  < this.taskParams.pageSize){
            this.taskParams.hasMore = false
          }
          this.startTaskTimer()
        } else {
          this.stopTaskTimer()
        }
      })
    },
    loadMsgList(){
      // 直播间消息
      listLiveSingleMsg({
        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.alDisplayList.find(u => u.userId === row.userId)
              if (user) {
                row.msgStatus = user.msgStatus
              } else {
                row.msgStatus = 0
              }
              this.msgList.push(row)
            }
          })

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

          // 所有消息加载完成后，根据自动滚动状态决定是否滚动
          this.$nextTick(() => {
            setTimeout(() => {
              if (this.isAutoScrollEnabled) {
                // 如果启用自动滚动，强制滚动到底部并隐藏按钮
                this.scrollToBottom(true);
              } else {
                // 如果禁用自动滚动，检查是否在底部，决定是否显示按钮
                if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
                  const wrap = this.$refs.manageRightRef.wrap;
                  const scrollHeight = wrap.scrollHeight;
                  const clientHeight = wrap.clientHeight;
                  const currentScrollTop = wrap.scrollTop;
                  const maxScrollTop = scrollHeight - clientHeight;

                  if (currentScrollTop < maxScrollTop - 50) {
                    // this.showLoadLatestBtn = true;
                  } else {
                    this.showLoadLatestBtn = false;
                  }
                }
              }
            }, 300);
          });
        }
      })

      // 添加滚动监听
      this.$nextTick(() => {
        this.$refs.manageRightRef.wrap.addEventListener("scroll", this.manageRightScroll)
      })
    },
    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 }
        }
      });
    },
    toggleBlack(user) {
      user.isBlack = !user.isBlack;
    },
    toggleMute(user) {
      user.isMuted = !user.isMuted;
    },
    toggleVisible(msg) {
      msg.isVisible = !msg.isVisible;
    },
    deleteMessage(msg) {
      const index = this.messages.indexOf(msg);
      if (index > -1) {
        this.messages.splice(index, 1);
      }
    },
    addTimelineItem() {
      this.timelineItems.push({ time: '00:00', action: '新动作' });
    },
    removeTimelineItem(item) {
      const index = this.timelineItems.indexOf(item);
      if (index > -1) {
        this.timelineItems.splice(index, 1);
      }
    },
    resetUserParams() {
      // 重置各Tab的显示列表和分页参数
      this.alDisplayList = [];
      this.onlineDisplayList = [];   // 在线用户显示列表
      this.offlineDisplayList = [];   // 离线用户显示列表
      this.silencedDisplayList = [];  // 禁言用户显示列表
      this.pageParams=  {
        al: {
          currentPage: 1,
          pageSize: 20,
          prevPage: 0,
          totalLoaded: 0,
          total: 0,
          hasMore: true,
          hasPrev: false
        },
        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
        }
      },
        this.scrLoading = {
          al: { next: false, prev: false },
          online: { next: false, prev: false },
          offline: { next: false, prev: false },
          silenced: { next: false, prev: false }
        }
    },
    resetMsgParams() {
      // 消息参数保留
      this.msgList = [];
      this.msgParams = {
        pageNum: 1,
        pageSize: 30,
        liveId: this.liveId
      };
      // 重置时不改变按钮状态，由后续的滚动逻辑决定
      this.taskParams = {
        currentPage: 1,
        pageSize: 20,
        prevPage: 0,
        totalLoaded: 0,
        total: 0,
        hasMore: true,
        hasPrev: false
      }
    },
    getScrollElement(tabName) {
      const scrollRefs = {
        al: this.$refs.manageLeftRef_al,
        online: this.$refs.manageLeftRef_online,
        offline: this.$refs.manageLeftRef_offline,
        silenced: this.$refs.manageLeftRef_silenced
      };
      return scrollRefs[tabName]?.wrap;
    },
    // 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.$nextTick(() => {
        const scrollRefs = {
          al: this.$refs.manageLeftRef_al,
          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)
            );
          }
        });
      });
    },
    // 处理Tab滚动事件（判断是否触底）
    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);
      }
    },
    // 恢复聊天滚动位置
    restoreChatScrollPosition() {
      if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
        this.$refs.manageRightRef.wrap.scrollTop = this.chatScrollTop;
      }
    },
    // 保存聊天滚动位置
    saveChatScrollPosition() {
      if (this.$refs.manageRightRef && this.$refs.manageRightRef.wrap) {
        this.chatScrollTop = this.$refs.manageRightRef.wrap.scrollHeight - this.$refs.manageRightRef.wrap.clientHeight;
      }
    },
    /**
     * 停止任务检测定时器
     */
    stopTaskTimer() {
      if (this.taskTimer) {
        clearInterval(this.taskTimer);
        this.taskTimer = null;
      }
    },
    /**
     * 启动任务检测定时器
     */
    startTaskTimer() {
      // 先清除已有定时器，避免重复
      if (this.taskTimer) {
        clearInterval(this.taskTimer);
      }

      // 立即执行一次检查
      this.checkTaskExpiration();

      // 启动定时器，定期检查
      this.taskTimer = setInterval(() => {
        this.checkTaskExpiration();
      }, this.checkInterval);
    },
    /**
     * 检查时间轴第一条任务是否过期
     */
    checkTaskExpiration() {
      // 如果没有任务，直接返回
      if (!this.timelineItems || this.timelineItems.length === 0) {
        this.stopTaskTimer()
        return;
      };

      // 获取第一条任务的时间
      const firstTask = this.timelineItems[0];
      const taskTime = new Date(firstTask.absValue).getTime();
      const currentTime = new Date().getTime();

      // 如果任务时间已过当前时间（过期），重新加载任务列表
      if (taskTime < currentTime) {
        this.timelineItems.shift()
        this.loadLiveTask(); // 重新加载任务列表
      }
    },
  },
  beforeDestroy() {
    if (this.autoMsgTimer != null) {
      clearInterval(this.autoMsgTimer);
    }
    if (this.autoScrollTimer) {
      clearTimeout(this.autoScrollTimer);
    }
  },
  // 使用 deactivated 和 activated 钩子替代 beforeDestroy 和 destroyed
  deactivated() {
    this.saveChatScrollPosition();
  },
  activated() {
    this.$nextTick(() => {
      this.restoreChatScrollPosition();
    });
    // todo yhq
    // this.$nextTick(() => {
    //   const video = this.$refs.videoPlayer;
    //   if (video != null) {
    //     this.initVideoPlayer(this.liveInfo.startTime)
    //   }
    // })
  },
};
</script>

<style scoped>
.console {
  display: flex;
  height: 100vh;
}

.left-panel, .middle-panel, .right-panel {
  padding: 20px;
  box-sizing: border-box;
}

.left-panel {
  width: 30%;
  background: #f8fafc;
  border-right: 1px solid #e2e8f0;
}

.middle-panel {
  width: 40%;
  background: #f8fafc;
  border-right: 1px solid #e2e8f0;
}

.right-panel {
  width: 30%;
  background: #f8fafc;
}

.search {
  margin: 10px 0;
}

.search input {
  width: 70%;
  padding: 8px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
}

.search button {
  padding: 8px 15px;
  background: #3b82f6;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.tabs {
  display: flex;
  margin: 10px 0;
}

.tabs button {
  padding: 8px 15px;
  border: 1px solid #e2e8f0;
  background: #fff;
  cursor: pointer;
}

.tabs button.active {
  background: #3b82f6;
  color: #fff;
  border-color: #3b82f6;
}

.user-list {
  max-height: 600px;
  overflow-y: auto;
}

.user-item {
  display: flex;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid #e2e8f0;
}

.user-item img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-right: 10px;
}

.user-info {
  flex: 1;
}

.user-name {
  font-weight: bold;
}

.user-status {
  font-size: 12px;
  color: #64748b;
}

.online {
  color: #10b981;
}

.offline {
  color: #94a3b8;
}

.user-actions {
  display: flex;
}

.user-actions button {
  padding: 5px 10px;
  margin-left: 5px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.block {
  background: #ef4444;
  color: #fff;
}

.unblock {
  background: #10b981;
  color: #fff;
}

.mute {
  background: #f59e0b;
  color: #fff;
}

.unmute {
  background: #3b82f6;
  color: #fff;
}

.system-messages, .discussion-messages {
  margin: 20px 0;
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.system-messages textarea {
  width: 100%;
  height: 100px;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 8px;
  box-sizing: border-box;
}

.message-actions {
  margin-top: 10px;
}

.message-actions button {
  padding: 5px 10px;
  margin-right: 5px;
  background: #3b82f6;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.message-list {
  max-height: 300px;
  overflow-y: auto;
  margin-top: 10px;
}

.message-item {
  display: flex;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e2e8f0;
}

.message-avatar img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  margin-right: 10px;
}

.message-content {
  flex: 1;
}

.message-user {
  font-weight: bold;
}

.message-text {
  font-size: 14px;
  color: #64748b;
}

.message-actions button {
  padding: 3px 8px;
  font-size: 12px;
  background: #3b82f6;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.live-player, .automation, .watermark {
  margin: 20px 0;
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.timeline-items {
  margin: 10px 0;
}

.timeline-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #e2e8f0;
}

.delete {
  background: #ef4444;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 3px 8px;
  cursor: pointer;
}

.add {
  background: #10b981;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 8px 15px;
  cursor: pointer;
}

.watermark-settings textarea {
  width: 100%;
  height: 100px;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 8px;
  box-sizing: border-box;
}

.watermark-options {
  margin-top: 10px;
}

.watermark-options label {
  display: block;
  margin-bottom: 5px;
}
/* 隐藏 el-scrollbar 的横向滚动条 */
.el-scrollbar__wrap {
  overflow-x: hidden !important;
}
.custom-scrollbar .el-scrollbar__wrap {
  overflow-x: hidden !important;
}
.scrollbar-demo-item{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  margin: 10px;
  text-align: center;
  border-radius: 4px;
}
.message-container {
  position: relative;
}
.load-latest-btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
</style>
