<template>
  <div class="container">
    <div class="loading" v-loading="showLoading" element-loading-text="正在拼命初始化..."
         element-loading-background="rgba(0, 0, 0, 0.8)">
      <div class="chat-wrapper">
        <el-row>
          <el-col :xs="10" :sm="10" :md="8" :lg="8" :xl="7">
            <side-bar/>
          </el-col>
          <el-col :xs="14" :sm="14" :md="16" :lg="16" :xl="17">
            <current-conversation/>
          </el-col>
        </el-row>
      </div>
      <calling ref="callLayer" class="chat-wrapper"/>
      <image-previewer/>
      <group-live/>
    </div>
    <div class="bg"></div>
  </div>
</template>

<script>
import {Notification} from 'element-ui'
import {mapState} from 'vuex'
import CurrentConversation from './components/conversation/current-conversation'
import SideBar from './components/layout/side-bar'
import ImagePreviewer from './components/message/image-previewer.vue'
import {translateGroupSystemNotice} from './utils/common'
import GroupLive from './components/group-live/index'
import Calling from './components/message/trtc-calling/calling-index'
import {ACTION} from './utils/trtcCustomMessageMap'
import MTA from './utils/mta'
import Helper from './utils/helper'

export default {
  title: '星斗推',
  components: {
    SideBar,
    CurrentConversation,
    ImagePreviewer,
    GroupLive,
    Calling,
  },
  computed: {
    ...mapState({
      currentUserProfile: state => state.user.currentUserProfile,
      currentConversation: state => state.conversation.currentConversation,
      videoCall: state => state.conversation.videoCall,
      audioCall: state => state.conversation.audioCall,
      isLogin: state => state.user.isLogin,
      isSDKReady: state => state.user.isSDKReady,
      isBusy: state => state.video.isBusy,
      userID: state => state.user.userID,
      userSig: state => state.user.userSig,
      sdkAppID: state => state.user.sdkAppID
    }),
    // 是否显示 Loading 状态
    showLoading() {
      return !this.isSDKReady
    }
  },
  mounted() {
    // 初始化监听器
    this.initListener()

  },
  created() {
    Helper.verifyToken().then(user => this.tim.login({userID: user.id, userSig: user.sign})
        .then(() => {
          this.loading = false
          this.$store.commit('toggleIsLogin', true)
          this.$store.commit('startComputeCurrent')
          this.$store.commit({
            type: 'GET_USER_INFO',
            userID: user.id,
            userSig: user.sign,
            sdkAppID: window.genTestUserSig('').SDKAppID
          })
          Helper.contactList().then(res => this.$store.commit('updateFriendList', res.data))
          // Helper.groupList({size: 20}).then(res => this.$store.commit('updateGroupList', res.data))
          // this.$store.commit('showMessage', {type: 'success', message: '登录成功'})
        })
        .catch(error => {
          this.loading = false
          this.$store.commit('showMessage', {message: '登录失败：' + error.message, type: 'error'})
        }))
  },
  watch: {
    isLogin(next) {
      if (next) {
        MTA.clickStat('link_two', {show: 'true'})
      }
    },
  },

  methods: {
    initListener() {
      // 登录成功后会触发 SDK_READY 事件，该事件触发后，可正常使用 SDK 接口
      this.tim.on(this.TIM.EVENT.SDK_READY, this.onReadyStateUpdate, this)
      // SDK NOT READT
      this.tim.on(this.TIM.EVENT.SDK_NOT_READY, this.onReadyStateUpdate, this)
      // 被踢出
      this.tim.on(this.TIM.EVENT.KICKED_OUT, this.onKickOut)
      // SDK内部出错
      this.tim.on(this.TIM.EVENT.ERROR, this.onError)
      // 收到新消息
      this.tim.on(this.TIM.EVENT.MESSAGE_RECEIVED, this.onReceiveMessage)
      // 会话列表更新
      this.tim.on(this.TIM.EVENT.CONVERSATION_LIST_UPDATED, this.onUpdateConversationList)
      // 群组列表更新
      // this.tim.on(this.TIM.EVENT.GROUP_LIST_UPDATED, this.onUpdateGroupList)
      // 网络监测
      this.tim.on(this.TIM.EVENT.NET_STATE_CHANGE, this.onNetStateChange)
      // 已读回执
      this.tim.on(this.TIM.EVENT.MESSAGE_READ_BY_PEER, this.onMessageReadByPeer)

    },

    onReceiveMessage({data: messageList}) {
      this.handleVideoMessage(messageList)
      this.handleAt(messageList)
      this.handleQuitGroupTip(messageList)
      this.handleCloseGroupLive(messageList)
      this.$store.commit('pushCurrentMessageList', messageList)
      this.$store.commit('pushAvChatRoomMessageList', messageList)
    },
    onError({data}) {
      if (data.message !== 'Network Error') {
        this.$store.commit('showMessage', {
          message: data.message,
          type: 'error'
        })
      }
    },
    onMessageReadByPeer() {

    },
    onReadyStateUpdate({name}) {
      const isSDKReady = name === this.TIM.EVENT.SDK_READY
      this.$store.commit('toggleIsSDKReady', isSDKReady)

      if (isSDKReady) {
        this.tim.getMyProfile()
            .then(({data}) => this.$store.commit('updateCurrentUserProfile', data))
            .catch(error => this.$store.commit('showMessage', {type: 'error', message: error.message}))
        this.$store.dispatch('getBlacklist')
        // 登录trtc calling
        this.trtcCalling.login({sdkAppID: this.sdkAppID, userID: this.userID, userSig: this.userSig})
      }
    },
    kickedOutReason(type) {
      switch (type) {
        case this.TIM.TYPES.KICKED_OUT_MULT_ACCOUNT:
          return '由于多实例登录'
        case this.TIM.TYPES.KICKED_OUT_MULT_DEVICE:
          return '由于多设备登录'
        case this.TIM.TYPES.KICKED_OUT_USERSIG_EXPIRED:
          return '由于 userSig 过期'
        default:
          return ''
      }
    },
    checkoutNetState(state) {
      switch (state) {
        case this.TIM.TYPES.NET_STATE_CONNECTED:
          return {message: '已接入网络', type: 'success'}
        case this.TIM.TYPES.NET_STATE_CONNECTING:
          return {message: '当前网络不稳定', type: 'warning'}
        case this.TIM.TYPES.NET_STATE_DISCONNECTED:
          return {message: '当前网络不可用', type: 'error'}
        default:
          return ''
      }
    },
    onNetStateChange(event) {
      this.$store.commit('showMessage', this.checkoutNetState(event.data.state))
    },
    onKickOut(event) {
      this.$store.commit('showMessage', {
        message: `${this.kickedOutReason(event.data.type)}被踢出，请重新登录。`,
        type: 'error'
      })
      this.$store.commit('toggleIsLogin', false)
      this.$store.commit('reset')
    },
    onUpdateConversationList(event) {
      this.$store.commit('updateConversationList', event.data)
    },
    // onUpdateGroupList(event) {
    // this.$store.commit('updateGroupList', event.data)
    // },
    onReceiveGroupSystemNotice(event) {
      const isKickedout = event.data.type === 4
      const isCurrentConversation =
          `GROUP${event.data.message.payload.groupProfile.groupID}` ===
          this.currentConversation.conversationID
      // 在当前会话被踢，需reset当前会话
      if (isKickedout && isCurrentConversation) {
        this.$store.commit('resetCurrentConversation')
      }
      Notification({
        title: '新系统通知',
        message: translateGroupSystemNotice(event.data.message),
        duration: 3000,
        onClick: () => {
          const SystemConversationID = '@TIM#SYSTEM'
          this.$store.dispatch('checkoutConversation', SystemConversationID)
        }
      })
    },
    /**
     * 处理 @ 我的消息
     * @param {Message[]} messageList
     */
    handleAt(messageList) {
      // 筛选有 @ 符号的文本消息
      const atTextMessageList = messageList.filter(
          message =>
              message.type === this.TIM.TYPES.MSG_TEXT &&
              message.payload.text.includes('@')
      )
      for (let i = 0; i < atTextMessageList.length; i++) {
        const message = atTextMessageList[i]
        const matched = message.payload.text.match(/@\w+/g)
        if (!matched) {
          continue
        }
        // @ 我的
        if (matched.includes(`@${this.currentUserProfile.userID}`)) {
          // 当前页面不可见时，调用window.Notification接口，系统级别通知。
          if (this.$store.getters.hidden) {
            this.notifyMe(message)
          }
          Notification({
            title: `有人在群${message.conversationID.slice(5)}提到了你`,
            message: message.payload.text,
            duration: 3000
          })
          this.$bus.$emit('new-messsage-at-me', {
            data: {conversationID: message.conversationID}
          })
        }
      }
    },
    selectConversation(conversationID) {
      if (conversationID !== this.currentConversation.conversationID) {
        this.$store.dispatch('checkoutConversation', conversationID)
      }
    },
    isJsonStr(str) {
      try {
        JSON.parse(str)
        return true
      } catch {
        return false
      }
    },
    handleVideoMessage(messageList) {
      const videoMessageList = messageList.filter(
          message => message.type === this.TIM.TYPES.MSG_CUSTOM && this.isJsonStr(message.payload.data)
      )
      if (videoMessageList.length === 0) return
      const videoPayload = JSON.parse(videoMessageList[0].payload.data)
      if (videoPayload.action === ACTION.VIDEO_CALL_ACTION_DIALING) {
        if (this.isBusy) {
          this.$bus.$emit('busy', videoPayload, videoMessageList[0])
          return
        }
        this.$store.commit('GENERATE_VIDEO_ROOM', videoPayload.room_id)
        this.selectConversation(videoMessageList[0].conversationID) // 切换当前会话页
        if (videoMessageList[0].from !== this.userID) {
          this.$bus.$emit('isCalled')
        }
      }
      if (videoPayload.action === ACTION.VIDEO_CALL_ACTION_SPONSOR_CANCEL) {
        this.$bus.$emit('missCall')
      }
      if (videoPayload.action === ACTION.VIDEO_CALL_ACTION_REJECT) {
        this.$bus.$emit('isRefused')
      }
      if (videoPayload.action === ACTION.VIDEO_CALL_ACTION_SPONSOR_TIMEOUT) {
        this.$bus.$emit('missCall')
      }
      if (videoPayload.action === ACTION.VIDEO_CALL_ACTION_ACCEPTED) {
        this.$bus.$emit('isAccept')
      }
      if (videoPayload.action === ACTION.VIDEO_CALL_ACTION_HANGUP) {
        this.$bus.$emit('isHungUp')
      }
      if (videoPayload.action === ACTION.VIDEO_CALL_ACTION_LINE_BUSY) {
        this.$bus.$emit('isRefused')
      }
      if (videoPayload.action === ACTION.VIDEO_CALL_ACTION_ERROR) {
        this.$bus.$emit('isRefused')
      }
    },
    /**
     * 使用 window.Notification 进行全局的系统通知
     * @param {Message} message
     */
    notifyMe(message) {
      // 需检测浏览器支持和用户授权
      if (!('Notification' in window)) {
        return
      } else if (window.Notification.permission === 'granted') {
        this.handleNotify(message)
      } else if (window.Notification.permission !== 'denied') {
        window.Notification.requestPermission().then(permission => {
          // 如果用户同意，就可以向他们发送通知
          if (permission === 'granted') {
            this.handleNotify(message)
          }
        })
      }
    },
    handleNotify(message) {
      const notification = new window.Notification('有人提到了你', {
        icon: 'https://webim-1252463788.file.myqcloud.com/demo/img/logo.dc3be0d4.png',
        body: message.payload.text
      })
      notification.onclick = () => {
        window.focus()
        this.$store.dispatch('checkoutConversation', message.conversationID)
        notification.close()
      }
    },
    handleLinkClick() {
      MTA.clickStat('link_two', {click: 'true'})
    },
    /**
     * 收到有群成员退群/被踢出的groupTip时，需要将相关群成员从当前会话的群成员列表中移除
     * @param {Message[]} messageList
     */
    handleQuitGroupTip(messageList) {
      // 筛选出当前会话的退群/被踢群的 groupTip
      const groupTips = messageList.filter(message => {
        return this.currentConversation.conversationID === message.conversationID &&
            message.type === this.TIM.TYPES.MSG_GRP_TIP &&
            (message.payload.operationType === this.TIM.TYPES.GRP_TIP_MBR_QUIT ||
                message.payload.operationType === this.TIM.TYPES.GRP_TIP_MBR_KICKED_OUT)
      })
      // 清理当前会话的群成员列表
      if (groupTips.length > 0) {
        groupTips.forEach(groupTip => {
          if (Array.isArray(groupTip.payload.userIDList) || groupTip.payload.userIDList.length > 0) {
            this.$store.commit('deleteGroupMemberList', groupTip.payload.userIDList)
          }
        })
      }
    },
    /**
     * 收到结束直播自定义消息，派发事件关闭组件
     * @param {Message[]} messageList
     */
    handleCloseGroupLive(messageList) {
      messageList.forEach(message => {
        if (this.currentConversation.conversationID === message.conversationID && message.type === this.TIM.TYPES.MSG_CUSTOM) {
          let data = {}
          try {
            data = JSON.parse(message.payload.data)
          } catch (e) {
            data = {}
          }
          if (data.roomId && Number(data.roomStatus) === 0) {
            this.$bus.$emit('close-group-live')
          }
        }
      })
    },
  }
}
</script>

<style lang="stylus">
body {
  overflow: hidden;
  margin: 0;
  font-family: 'Microsoft YaHei', '微软雅黑', 'MicrosoftJhengHei', 'Lantinghei SC', 'Open Sans', Arial, 'Hiragino Sans GB', 'STHeiti', 'WenQuanYi Micro Hei', SimSun, sans-serif;
  // font-family  "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif
  // text-shadow: $regular 0 0 0.05em
  background-color: $bg;
  -ms-scroll-chaining: chained;
  -ms-overflow-style: none;
  -ms-content-zooming: zoom;
  -ms-scroll-rails: none;
  -ms-content-zoom-limit-min: 100%;
  -ms-content-zoom-limit-max: 500%;
  -ms-scroll-snap-type: proximity;
  -ms-scroll-snap-points-x: snapList(100%, 200%, 300%, 400%, 500%);
  -ms-overflow-style: none;
  overflow: auto;

  div {
    box-sizing: border-box;

    &::before, &::after {
      box-sizing: border-box;
    }
  }
}

#wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding-top: 60px;
}

.container
  position relative
  height 100vh

.container
  position relative
  height 100vh

// TODO filter mac chrome 会有问题，下次修改可以去掉
.bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  background: url('~@/./assets/image/bg.jpg') no-repeat 0 0;
  background-size: cover;
  // filter blur(67px)
}

.loading {
  height: 100vh;
  width: 100vw;
  display: flex;
  justify-content: center;
}

.text-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-wrapper {
  margin-top: 8vh;
  width: $width;
  height: $height;
  max-width: 1280px;
  box-shadow: 0 11px 20px 0 rgba(0, 0, 0, 0.3);

  .official-link {
    display: flex;
    text-decoration: none;
    color: #38c9ff;
    width: fit-content;
    float: right;
    height: 45px;
    align-items: center;
  }
}

/* 设置滚动条的样式 */
::-webkit-scrollbar {
  width: 3px;
  height: 3px;
}

/* 滚动槽 */
::-webkit-scrollbar-track {
  border-radius: 10px;
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.1);
}
</style>