export default {
  data() {
    return {
      downloadLoading: false,
    }
  },
  created() {

  },

  methods: {
    //获取导出文件名称
    getFileName() {
      var tmpDate = new Date();
      var year = tmpDate.getFullYear();
      var month = ("0" + (tmpDate.getMonth() + 1)).slice(-2)
      var date = ("0" + tmpDate.getDate()).slice(-2)
      var h = ("0" + tmpDate.getHours()).slice(-2)
      var m = ("0" + tmpDate.getMinutes()).slice(-2)
      var s = ("0" + tmpDate.getSeconds()).slice(-2)

      return '告警统计' + year + month + date + h + m + s
    },
    //导出告警设备
    exportDeviceForAll(){
      this.downloadLoading = true
      const tHeader=['序号', '资产编号', '所属区域', '设备详细地址', '单位名称', '告警个数', '告警时间']
      const filterVal=['id', 'asset_no', 'area_name', 'addr', 'depart_name', 'alarm_num', 'alarm_time']
      const query =this.queryParam
      this.$http.post('device/exportAlarmDevice', { params: query },{'timeout':120000}).then(response => {
        let data = response.data
        this.exportExcel(data,tHeader,filterVal);
      })
        
    },
    exportDeviceBySelectIds(selectedIds) {
      this.downloadLoading = true
      let list = []
      const tHeader=['序号', '资产编号', '所属区域', '设备详细地址', '单位名称', '告警个数', '告警时间']
      const filterVal=['id', 'asset_no', 'area_name', 'addr', 'depart_name', 'alarm_num', 'alarm_time']
      this.data.forEach(item => {
        if(selectedIds.indexOf(item.id) !='-1' ){
          list.push(item);
        }
      })
      this.exportExcel(list,tHeader,filterVal);
    },

    //告警心跳导出
    exportExcelForAll(confirm_user_id){
      this.downloadLoading = true
      const query =this.queryParam
      query.confirm_user_id=confirm_user_id;
      const tHeader=['序号', '设备类型', '告警原因', '告警类型', '资产编号', '设备详细地址', '告警时间', '告警持续时间']
      const filterVal=['id', 'device_type', 'alarm_reason', 'alarm_source', 'asset_no', 'addr', 'start_time', 'continue_time']
 
      this.$http.post('alarm/exportAlarm', { params: query },{'timeout':120000}).then(response => {
        let data = response.data
        this.exportExcel(data,tHeader,filterVal);
      })
    },
    exportExcelBySelectIds(selectedIds) {
      this.downloadLoading = true
      const tHeader=['序号', '设备类型', '告警原因', '告警类型', '资产编号', '设备详细地址', '告警时间', '告警持续时间']
      const filterVal=['id', 'device_type', 'alarm_reason', 'alarm_source', 'asset_no', 'address', 'start_time', 'continue_time']
      let list = []
      this.data.forEach(item => {
        if(selectedIds.indexOf(item.id) !='-1' ){
          list.push(item);
        }
      })
      this.exportExcel(list,tHeader,filterVal);
    },

    exportExcel(list,tHeader,filterVal) {
  
      import('@/vendor/Export2Excel').then(excel => {
        const data = this.formatJson(filterVal, list)
        excel.export_json_to_excel({
          header: tHeader,
          data,
          filename: this.getFileName(),
          autoWidth: true,
          bookType: 'xlsx',
        })
        this.downloadLoading = false
      })
    },
    formatJson(filterVal, jsonData) {
      return jsonData.map(v => filterVal.map(j => {
        if (j === 'address') {
          return v['device_info']['addr']
        } else {
          return v[j]
        }
      }))
    }
  }
}