<template>
  <view class="page">
    <!-- 页面头部 -->
    <view class="page-header" :style="{ paddingTop: geStatusBarHeight() + 8 + 'px' }">
      <view class="text-center">消息</view>
      <uni-icons type="staff-filled" size="30" color="#ffffff" @click="gotoContacts"></uni-icons>
    </view>

    <view class="wrapcon">
      <!-- 暂无消息 -->
      <view v-if="chats.length === 0 && loadStatus === 'nomore'" class="nodata">暂无消息~</view>

      <!-- 列表 -->
      <view class="listcell">
        <u-swipe-action
            ref="swipeRef"
            :options="options"
            v-for="(chat, index) in chats"
            :key="chat.id || index"
            style="min-width: 600rpx;"
            @click="actionClick(chat, index)"
        >
          <view class="lcon" @click="gotoChat(chat, index)" @longpress="handleLongPress(index)">
            <view class="limg">
              <image class="img" :src="chat.headImage || '/static/image/girl.png'" mode="aspectFill"></image>
            </view>
            <view class="lright">
              <view class="lrow">
                <view class="pname">{{ chat.showName || '未知' }}</view>
                <view class="ptime">{{ changeTime(chat.lastSendTime) }}</view>
              </view>
              <view class="lrow">
                <view class="pnr">
                  {{ chat.lastContent || '' }}
                </view>
                <view class="lnum" v-if="chat.unreadCount > 0">
                  {{ chat.unreadCount }}
                </view>
              </view>
            </view>
          </view>
        </u-swipe-action>
      </view>

      <!-- 加载状态 -->
      <u-loadmore v-if="chats.length === 0 && loadStatus === 'loading'" :status="loadStatus" :marginTop="20"></u-loadmore>
    </view>

    <!-- 提示信息弹窗 -->
    <uni-popup ref="message" type="message">
      <uni-popup-message :type="msgType" :message="messageText" :duration="2000"></uni-popup-message>
    </uni-popup>
  </view>
</template>

<script>
import { mapState, mapActions, mapGetters } from 'vuex'
import dateTime from '@/common/dateTime.js'
import {myCache} from "../../utils/utils";

export default {
  data() {
    return {
      loadStatus: 'loadmore',
      options: [
        {
          text: '删除',
          style: {
            backgroundColor: '#ed2a28'
          }
        }
      ],
      messageText: '',
      msgType: 'error'
    }
  },
  computed: {
    ...mapState('chatStore', ['chats']),
    ...mapGetters('chatStore', ['isLoading']),
    // 未读消息总数（用于角标）
    unreadCount() {
      let count = 0
      this.chats.forEach(chat => {

        if (!chat.delete) {
          count += chat.unreadCount
        }
      })
      return count
    },
    // 是否正在加载（用于显示loading状态）
    loading() {
      return this.isLoading()
    }
  },
  watch: {
    unreadCount(newVal) {
      this.setBadge(newVal)
    }
  },
  onShow() {
    console.log("this.chats列表.......",this.chats)
    this.loadStatus = 'nomore'
    this.setBadge(this.unreadCount)
  },
  onPullDownRefresh() {
    // 下拉刷新仅刷新角标，数据由全局WebSocket维护
    this.setBadge(this.unreadCount)
    setTimeout(() => {
      uni.stopPullDownRefresh()
    }, 500)
  },
  methods: {
    ...mapActions('chatStore', ['removeChat', 'moveTop','loadFriend']),

    // 设置底部角标
    setBadge(count) {
      if (count > 0) {
        uni.setTabBarBadge({
          index: 3, // 根据实际tabBar索引调整
          text: count + ''
        })
      } else {
        uni.removeTabBarBadge({
          index: 3
        })
      }
    },

    // 长按打开滑动菜单
    handleLongPress(index) {
      this.$refs.swipeRef[index].open()
    },

    // 滑动菜单点击（删除）
    actionClick(chat, index) {
      const that = this
      uni.showModal({
        title: '提示',
        content: '确定要删除此聊天记录吗？',
        success: res => {
          if (res.confirm) {
            that.$refs.swipeRef[index].close()
            that.removeChat(index) // 调用 Vuex action
          }
        }
      })
    },

    // 跳转到聊天页面
    gotoChat(chat, index) {
      // 清除该会话的未读（由chat页面处理）
      // 构造跳转参数（与原有逻辑兼容）
      let info = {}
      if (chat.type === 'PRIVATE') {
        info = {
          chatId: chat.id || `privatechat-${chat.targetId}`,
          chatName: chat.showName,
          chatAvatar: chat.headImage,
          friendId: chat.targetId,
          minId: chat.hotMinIdx || 0,
          sort: 'privatechat',
          from: 'message'
        }
      } else if (chat.type === 'GROUP') {
        info = {
          chatId: chat.id || `groupchat-${chat.targetId}`,
          groupId: chat.targetId,
          chatName: chat.showName,
          chatAvatar: chat.headImage,
          minId: chat.hotMinIdx || 0,
          sort: 'groupchat',
          from: 'message'
        }
      }
      const data = encodeURIComponent(JSON.stringify(info))
      uni.navigateTo({ url: `/pages/chatbox/chat-box?chatIdx=${index}` });
    },

    // 跳转到通讯录
    gotoContacts() {
      uni.navigateTo({
        url: '/pages/message/contact'
      })
    },

    // 时间格式化
    changeTime(time) {
      return dateTime.dateTime(time)
    },

    // 获取状态栏高度
    geStatusBarHeight() {
      return uni.getSystemInfoSync().statusBarHeight
    }
  }
}
</script>

<style lang="scss" scoped>
.page {
  padding: 0;
  position: relative;
  background-image: url('@/static/image/bg.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center center;
  min-height: calc(100vh - var(--window-top) - var(--window-bottom));
}
.page-header {
  position: fixed;
  width: 100%;
  z-index: 999;
  padding: 40rpx 30rpx 30rpx 30rpx;
  display: flex;
  color: #fff;
  font-size: 36rpx;
  background-color: #00a89b;
  .text-center {
    width: 100%;
    text-align: center;
  }
  .edit {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 30rpx;
    font-size: 32rpx;
  }
}
.wrapcon {
  padding: 0;
  width: 100%;
  position: relative;
  margin: 180rpx 0 0 0;
  min-height: calc(100vh - 180rpx);
  /* #ifdef H5 */
  margin: calc(110rpx + var(--window-top)) 0 0 0;
  min-height: calc(100vh - var(--window-top) - var(--window-bottom) - 180rpx);
  /* #endif */
  overflow-y: auto;
}
.listcell {
  background: #fff;
  margin: 0;
  width: 100%;
  min-width: 750rpx;
  .lcon {
    border-bottom: 1rpx solid #eee;
    padding-top: 20rpx;
    padding-bottom: 20rpx;
    display: flex;
    flex-direction: row;
    align-items: center;
    width: 100%;
    min-width: 750rpx;
    .limg {
      width: 100rpx;
      height: 100rpx;
      margin-right: 20rpx;
      margin-left: 20rpx;
      display: flex;
      flex-direction: row;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      .img {
        width: 100rpx;
        height: 100rpx;
        border-radius: 50%;
      }
    }
    .lright {
      display: flex;
      flex: 1;
      flex-direction: column;
    }
    .lrow {
      display: flex;
      flex-direction: row;
      margin-bottom: 20rpx;
      margin-right: 20rpx;
    }
    .pname {
      display: flex;
      flex: 1;
      line-height: 50rpx;
      font-size: 32rpx;
      font-weight: 600;
      color: #000000;
    }
    .ptime {
      line-height: 50rpx;
      font-size: 24rpx;
      font-weight: 500;
      color: #595959;
    }
    .pnr {
      display: flex;
      flex: 1;
      font-size: 24rpx;
      font-weight: 400;
      color: #595959;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      line-height: 40rpx;
      max-height: 40rpx;
    }
    .lnum {
      background-color: #de0000;
      padding: 0 10rpx;
      min-width: 32rpx;
      height: 32rpx;
      line-height: 32rpx;
      color: #fff;
      font-size: 24rpx;
      border-radius: 28rpx;
      text-align: center;
    }
  }
}
.nodata {
  background-image: url('../../static/image/nomsg.png');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 100%;
  height: 376rpx;
  width: 256rpx;
  color: #00a89b;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-direction: column;
  padding-bottom: 40rpx;
  margin: 100rpx auto;
}
</style>
