<template>
  <a-popover
    trigger="click"
    placement="bottomRight"
    :autoAdjustOverflow="true"
    :arrowPointAtCenter="true"
    overlayClassName="header-notice-wrapper"
    @visibleChange="handleHoverChange"
    :overlayStyle="{ width: '300px', top: '50px' }"
  >
    <template slot="content">
      <a-spin :spinning="loadding">
        <a-tabs>
          <a-tab-pane :tab="msg1Title" key="1">
            <!--<a-list>
              <a-list-item>
                <a-list-item-meta title="你收到了 14 份新周报" description="一年前">
                  <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/ThXAXghbEsBCCSDihZxY.png"/>
                </a-list-item-meta>
              </a-list-item>
              <a-list-item>
                <a-list-item-meta title="你推荐的 IT大牛 已通过第三轮面试" description="一年前">
                  <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/OKJXDXrmkNshAMvwtvhu.png"/>
                </a-list-item-meta>
              </a-list-item>
              <a-list-item>
                <a-list-item-meta title="这种模板可以区分多种通知类型" description="一年前">
                  <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/kISTdvpyTAhtGxpovNWd.png"/>
                </a-list-item-meta>
              </a-list-item>
            </a-list>-->
            <a-list>
              <a-list-item :key="index" v-for="(record, index) in announcement1">
                <div style="margin-left: 5%;width: 80%">
                  <p>
                    <a @click="showAnnouncement(record)">{{ record.titile }}</a>
                  </p>
                  <p style="color: rgba(0,0,0,.45);margin-bottom: 0px">{{ record.createTime }} 发布</p>
                </div>
                <div style="text-align: right">
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'L'" color="blue">一般消息</a-tag>
                  <a-tag
                    @click="showAnnouncement(record)"
                    v-if="record.priority === 'M'"
                    color="orange"
                  >重要消息</a-tag
                  >
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'H'" color="red">紧急消息</a-tag>
                </div>
              </a-list-item>
              <div style="margin-top: 5px;text-align: center">
                <a-button @click="toMyAnnouncement()" type="dashed" block>查看更多</a-button>
              </div>
            </a-list>
          </a-tab-pane>
          <a-tab-pane :tab="msg2Title" key="2">
            <a-list>
              <a-list-item :key="index" v-for="(record, index) in announcement2">
                <div style="margin-left: 5%;width: 80%">
                  <p>
                    <a @click="showAnnouncement(record)">{{ record.titile }}</a>
                  </p>
                  <p style="color: rgba(0,0,0,.45);margin-bottom: 0px">{{ record.createTime }} 发布</p>
                </div>
                <div style="text-align: right">
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'L'" color="blue">一般消息</a-tag>
                  <a-tag
                    @click="showAnnouncement(record)"
                    v-if="record.priority === 'M'"
                    color="orange"
                  >重要消息</a-tag
                  >
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'H'" color="red">紧急消息</a-tag>
                </div>
              </a-list-item>
              <div style="margin-top: 5px;text-align: center">
                <a-button @click="toMyAnnouncement()" type="dashed" block>查看更多</a-button>
              </div>
            </a-list>
          </a-tab-pane>
        </a-tabs>
      </a-spin>
    </template>
    <span @click="fetchNotice" class="header-notice">
      <a-badge :count="msgTotal">
        <a-icon style="font-size: 16px; padding: 4px" type="bell" />
      </a-badge>
    </span>
    <show-announcement ref="ShowAnnouncement" @ok="modalFormOk"></show-announcement>
    <dynamic-notice ref="showDynamNotice" :path="openPath" :formData="formData" />
  </a-popover>
</template>

<script>
import { getAction, putAction } from '@/api/manage'
import ShowAnnouncement from './ShowAnnouncement'
import store from '@/store/'
import DynamicNotice from './DynamicNotice'

export default {
    name: 'HeaderNotice',
    components: {
        DynamicNotice,
        ShowAnnouncement
    },
    data () {
        return {
            loadding: false,
            url: {
                listCementByUser: '/sys/annountCement/listByUser',
                editCementSend: '/sys/sysAnnouncementSend/editByAnntIdAndUserId',
                queryById: '/sys/annountCement/queryById'
            },
            hovered: false,
            announcement1: [],
            announcement2: [],
            msg1Count: '0',
            msg2Count: '0',
            msg1Title: '通知(0)',
            msg2Title: '',
            stopTimer: false,
            websock: null,
            lockReconnect: false,
            heartCheck: null,
            formData: {},
            openPath: ''
        }
    },
    computed: {
        msgTotal () {
            return parseInt(this.msg1Count) + parseInt(this.msg2Count)
        }
    },
    mounted () {
        this.loadData()
        // this.timerFun();
        this.initWebSocket()
        this.heartCheckFun()
    },
    destroyed: function () {
    // 离开页面生命周期函数
        this.websocketclose()
    },
    methods: {
        timerFun () {
            this.stopTimer = false
            let myTimer = setInterval(() => {
                // 停止定时器
                if (this.stopTimer == true) {
                    clearInterval(myTimer)
                    return
                }
                this.loadData()
            }, 6000)
        },
        loadData () {
            try {
                // 获取系统消息
                getAction(this.url.listCementByUser)
                    .then(res => {
                        if (res.success) {
                            this.announcement1 = res.result.anntMsgList
                            this.msg1Count = res.result.anntMsgTotal
                            this.msg1Title = '通知(' + res.result.anntMsgTotal + ')'
                            this.announcement2 = res.result.sysMsgList
                            this.msg2Count = res.result.sysMsgTotal
                            this.msg2Title = '系统消息(' + res.result.sysMsgTotal + ')'
                        }
                    })
                    .catch(error => {
                        console.log('系统消息通知异常', error) // 这行打印permissionName is undefined
                        this.stopTimer = true
                        console.log('清理timer')
                    })
            } catch (err) {
                this.stopTimer = true
                console.log('通知异常', err)
            }
        },
        fetchNotice () {
            if (this.loadding) {
                this.loadding = false
                return
            }
            this.loadding = true
            setTimeout(() => {
                this.loadding = false
            }, 200)
        },
        showAnnouncement (record) {
            putAction(this.url.editCementSend, { anntId: record.id }).then(res => {
                if (res.success) {
                    this.loadData()
                }
            })
            this.hovered = false
            if (record.openType === 'component') {
                this.openPath = record.openPage
                this.formData = { id: record.busId }
                this.$refs.showDynamNotice.detail(record.openPage)
            } else {
                record.readFlag = '0' // 未阅读（用于以未阅读状态跳转到我的消息弹框）
                this.$refs.ShowAnnouncement.detail(record)
            }
        },
        toMyAnnouncement () {
            this.$router.push({
                path: '/isps/userAnnouncement',
                name: 'isps-userAnnouncement'
            })
        },
        modalFormOk () {},
        handleHoverChange (visible) {
            this.hovered = visible
        },

        initWebSocket: function () {
            // WebSocket与普通的请求所用协议有所不同，ws等同于http，wss等同于https
            var userId = store.getters.userInfo.id
            var url =
        window._CONFIG['domianURL'].replace('https://', 'wss://').replace('http://', 'ws://') + '/websocket/' + userId
            console.log(url)
            // this.websock = new WebSocket(url);
            // this.websock.onopen = this.websocketOnopen;
            // this.websock.onerror = this.websocketOnerror;
            // this.websock.onmessage = this.websocketOnmessage;
            // this.websock.onclose = this.websocketOnclose;
        },
        websocketOnopen: function () {
            console.log('WebSocket连接成功')
            // 心跳检测重置
            this.heartCheck.reset().start()
        },
        websocketOnerror: function (e) {
            console.log('WebSocket连接发生错误')
            this.reconnect()
        },
        websocketOnmessage: function (e) {
            console.log('-----接收消息-------', e.data)
            var data = eval('(' + e.data + ')') // 解析对象
            if (data.cmd == 'topic') {
                // 系统通知
                this.loadData()
            } else if (data.cmd == 'user') {
                // 用户消息
                this.loadData()
            }
            // 心跳检测重置
            this.heartCheck.reset().start()
        },
        websocketOnclose: function (e) {
            console.log('connection closed (' + e.code + ')')
            this.reconnect()
        },
        websocketSend (text) {
            // 数据发送
            try {
                this.websock.send(text)
            } catch (err) {
                console.log('send failed (' + err.code + ')')
            }
        },

        openNotification (data) {
            var text = data.msgTxt
            const key = `open${Date.now()}`
            this.$notification.open({
                message: '消息提醒',
                placement: 'bottomRight',
                description: text,
                key,
                btn: h => {
                    return h(
                        'a-button',
                        {
                            props: {
                                type: 'primary',
                                size: 'small'
                            },
                            on: {
                                click: () => this.showDetail(key, data)
                            }
                        },
                        '查看详情'
                    )
                }
            })
        },

        reconnect () {
            var that = this
            if (that.lockReconnect) return
            that.lockReconnect = true
            // 没连接上会一直重连，设置延迟避免请求过多
            setTimeout(function () {
                console.info('尝试重连...')
                that.initWebSocket()
                that.lockReconnect = false
            }, 5000)
        },
        heartCheckFun () {
            var that = this
            // 心跳检测,每20s心跳一次
            that.heartCheck = {
                timeout: 20000,
                timeoutObj: null,
                serverTimeoutObj: null,
                reset: function () {
                    clearTimeout(this.timeoutObj)
                    // clearTimeout(this.serverTimeoutObj);
                    return this
                },
                start: function () {
                    var self = this
                    this.timeoutObj = setTimeout(function () {
                        // 这里发送一个心跳，后端收到后，返回一个心跳消息，
                        // onmessage拿到返回的心跳就说明连接正常
                        that.websocketSend('HeartBeat')
                        console.info('客户端发送心跳')
                        // self.serverTimeoutObj = setTimeout(function(){//如果超过一定时间还没重置，说明后端主动断开了
                        //  that.websock.close();//如果onclose会执行reconnect，我们执行ws.close()就行了.如果直接执行reconnect 会触发onclose导致重连两次
                        // }, self.timeout)
                    }, this.timeout)
                }
            }
        },

        showDetail (key, data) {
            this.$notification.close(key)
            var id = data.msgId
            getAction(this.url.queryById, { id: id }).then(res => {
                if (res.success) {
                    var record = res.result
                    this.showAnnouncement(record)
                }
            })
        }
    }
}
</script>

<style lang="css">
.header-notice-wrapper {
  top: 50px !important;
}
</style>
<style lang="less" scoped>
.header-notice {
  display: inline-block;
  transition: all 0.3s;

  span {
    vertical-align: initial;
  }
}
</style>
