<template>
  <div class="kefu">
    <div
      v-for="(item, index) in conversationList"
      :key="item.id"
      :class="{ active: index === activeConversationIndex, pinned: item.adminPinned }"
      class="kefu-conversation flex items-center"
      @click="openRightMessage(item, index)"
      @contextmenu.prevent="rightClick($event as PointerEvent, item)"
    >
      <div class="flex justify-center items-center w-100%">
        <div class="flex justify-center items-center" style="width: 50px; height: 50px">
          <el-badge
            :hidden="item.adminUnreadMessageCount === 0"
            :max="99"
            :value="item.adminUnreadMessageCount"
          >
            <el-avatar :src="item.userAvatar" alt="avatar" />
          </el-badge>
        </div>
        <div class="ml-10px w-100%">
          <div class="flex justify-between items-center w-100%">
            <span>{{ item.userNickname }}</span>
            <span class="color-[#989EA6]">
              {{ formatDate(item.lastMessageTime) }}
            </span>
          </div>
          <!-- 文本消息 -->
          <template v-if="KeFuMessageContentTypeEnum.TEXT === item.lastMessageContentType">
            <div
              v-dompurify-html="replaceEmoji(item.lastMessageContent)"
              class="last-message flex items-center color-[#989EA6]"
            ></div>
          </template>
          <!-- 图片消息 -->
          <template v-else>
            <div class="last-message flex items-center color-[#989EA6]">
              {{ getContentType(item.lastMessageContentType) }}
            </div>
          </template>
        </div>
      </div>
    </div>
    <!-- 通过右击获取到的坐标定位 -->
    <ul v-show="showRightMenu" :style="rightMenuStyle" class="right-menu-ul">
      <li
        v-show="!selectedConversation.adminPinned"
        class="flex items-center"
        @click.stop="updateConversationPinned(true)"
      >
        <Icon class="mr-5px" icon="ep:top" />
        置顶会话
      </li>
      <li
        v-show="selectedConversation.adminPinned"
        class="flex items-center"
        @click.stop="updateConversationPinned(false)"
      >
        <Icon class="mr-5px" icon="ep:bottom" />
        取消置顶
      </li>
      <li class="flex items-center" @click.stop="deleteConversation">
        <Icon class="mr-5px" color="red" icon="ep:delete" />
        删除会话
      </li>
      <li class="flex items-center" @click.stop="closeRightMenu">
        <Icon class="mr-5px" color="red" icon="ep:close" />
        取消
      </li>
    </ul>
  </div>
</template>

<script lang="ts" setup>
import { KeFuConversationApi, KeFuConversationRespVO } from '@/api/mall/promotion/kefu/conversation'
import { useEmoji } from './tools/emoji'
import { formatDate, getNowDateTime } from '@/utils/formatTime'
import { KeFuMessageContentTypeEnum } from './tools/constants'

defineOptions({ name: 'KeFuConversationBox' })
const message = useMessage()
const { replaceEmoji } = useEmoji()
const activeConversationIndex = ref(-1) // 选中的会话
const conversationList = ref<KeFuConversationRespVO[]>([]) // 会话列表
const getConversationList = async () => {
  conversationList.value = await KeFuConversationApi.getConversationList()
  // 测试数据
  for (let i = 0; i < 5; i++) {
    conversationList.value.push({
      id: 1,
      userId: 283,
      userAvatar:
        'https://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKMezSxtOImrC9lbhwHiazYwck3xwrEcO7VJfG6WQo260whaeVNoByE5RreiaGsGfOMlIiaDhSaA991w/132',
      userNickname: '辉辉鸭' + i,
      lastMessageTime: getNowDateTime(),
      lastMessageContent:
        '[爱心][爱心]你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇你好哇',
      lastMessageContentType: 1,
      adminPinned: false,
      userDeleted: false,
      adminDeleted: false,
      adminUnreadMessageCount: i
    })
  }
}
defineExpose({ getConversationList })
const emits = defineEmits<{
  (e: 'change', v: KeFuConversationRespVO): void
}>()
// 打开右侧消息
const openRightMessage = (item: KeFuConversationRespVO, index: number) => {
  activeConversationIndex.value = index
  emits('change', item)
}
// 获得消息类型
const getContentType = computed(() => (lastMessageContentType: number) => {
  switch (lastMessageContentType) {
    case KeFuMessageContentTypeEnum.SYSTEM:
      return '[系统消息]'
    case KeFuMessageContentTypeEnum.VIDEO:
      return '[视频消息]'
    case KeFuMessageContentTypeEnum.IMAGE:
      return '[图片消息]'
    case KeFuMessageContentTypeEnum.PRODUCT:
      return '[商品消息]'
    case KeFuMessageContentTypeEnum.ORDER:
      return '[订单消息]'
    case KeFuMessageContentTypeEnum.VOICE:
      return '[语音消息]'
    default:
      return ''
  }
})

//======================= 右键菜单 =======================
const showRightMenu = ref(false) // 显示右键菜单
const rightMenuStyle = ref<any>({}) // 右键菜单 Style
const selectedConversation = ref<KeFuConversationRespVO>({} as KeFuConversationRespVO) // 右键选中的会话对象
// 右键菜单
const rightClick = (mouseEvent: PointerEvent, item: KeFuConversationRespVO) => {
  selectedConversation.value = item
  // 显示右键菜单
  showRightMenu.value = true
  rightMenuStyle.value = {
    top: mouseEvent.clientY - 110 + 'px',
    left: mouseEvent.clientX - 80 + 'px'
  }
}
// 关闭菜单
const closeRightMenu = () => {
  showRightMenu.value = false
}
// 置顶会话
const updateConversationPinned = async (adminPinned: boolean) => {
  // 1. 会话置顶/取消置顶
  await KeFuConversationApi.updateConversationPinned({
    id: selectedConversation.value.id,
    adminPinned
  })
  // TODO puhui999: 快速操作两次提示只会提示一次看看怎么优雅解决
  message.success(adminPinned ? '置顶成功' : '取消置顶成功')
  // 2. 关闭右键菜单，更新会话列表
  closeRightMenu()
  await getConversationList()
}
// 删除会话
const deleteConversation = async () => {
  // 1. 删除会话
  await message.confirm('您确定要删除该会话吗？')
  await KeFuConversationApi.deleteConversation(selectedConversation.value.id)
  // 2. 关闭右键菜单，更新会话列表
  closeRightMenu()
  await getConversationList()
}
watch(showRightMenu, (val) => {
  if (val) {
    document.body.addEventListener('click', closeRightMenu)
  } else {
    document.body.removeEventListener('click', closeRightMenu)
  }
})
</script>

<style lang="scss" scoped>
.kefu {
  &-conversation {
    height: 60px;
    padding: 10px;
    background-color: #fff;
    transition: border-left 0.05s ease-in-out; /* 设置过渡效果 */

    .last-message {
      width: 200px;
      overflow: hidden; // 隐藏超出的文本
      white-space: nowrap; // 禁止换行
      text-overflow: ellipsis; // 添加省略号
    }
  }

  .active {
    border-left: 5px #3271ff solid;
    background-color: #eff0f1;
  }

  .pinned {
    background-color: #eff0f1;
  }

  .right-menu-ul {
    position: absolute;
    background-color: #fff;
    padding: 10px;
    margin: 0;
    list-style-type: none; /* 移除默认的项目符号 */
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* 阴影效果 */
    width: 130px;

    li {
      padding: 8px 16px;
      cursor: pointer;
      border-radius: 12px;
      transition: background-color 0.3s; /* 平滑过渡 */
      &:hover {
        background-color: #e0e0e0; /* 悬停时的背景颜色 */
      }
    }
  }
}
</style>
