<template>
  <div class="container">
    <!-- 查询配置 -->
    <div style="padding: 0px 20px">
      <div ref="lxHeader">
        <LxHeader icon="md-apps" text="同比统计报表" style="margin-bottom: 10px; border: 0px; margin-top: 15px">
          <div slot="content"></div>
          <slot>
            <div>

              <!-- <Button type="primary" @click="load" style="margin-left: 10px">查询</Button> -->
              <Button type="primary" @click="viewPart" style="margin-left: 10px">{{btnText}}</Button>
              <Button type="primary" style="margin-left: 10px" @click="handleGo">导出</Button>

            </div>
          </slot>
        </LxHeader>
      </div>
      <div class="table-tree" v-if="showData">
        <el-table :data="tableData" :height="tableHeight" class="v-table" style="width: 100%">
          <el-table-column type="index" align="center">
          </el-table-column>
          <el-table-column prop="datelist" label="时段" sortable width="180">
          </el-table-column>
          <el-table-column prop="plan_total" label="预约人数" sortable>
          </el-table-column>
          <el-table-column prop="use_total" label="入场人数" sortable>
          </el-table-column>
          <el-table-column prop="cancel_total" label="取消人数" sortable>
          </el-table-column>
          <el-table-column prop="expire_total" label="过期人数" sortable>
          </el-table-column>
          <el-table-column prop="per" label="核销比" sortable>
          </el-table-column>
        </el-table>
      </div>
      <div v-else>
        <line-chart :chartData="rptData" :height="chartHeight"/>
      </div>
    </div>

  </div>
</template>
<script>
  import LxHeader from "@/components/LxHeader/index.vue";
  import LineChart from '../components/LineChart'
  import { ElMapExportTable } from "table-excel";
  import {
    duringRpt
  } from "@/api/report/visit.js";
  export default {
    components: {
      LxHeader,
      LineChart
    },
    created() {
      this.initLoad()
      this.load()
    },
    mounted() {},
    data() {
      return {
        showData: false,
        searchFields: {},
        tableData: [],
        tableHeight: 0,
        chartHeight:"",
        btnText:"数据展示",
        dataArr:[
          {
            id:'this_week',
            value:"本周"
          },
          {
            id:'this_month',
            value:"当月"
          },
          {
            id:'last_month',
            value:"去年同期"
          },
          {
            id:'this_year',
            value:"本年"
          },
          {
            id:'last_year',
            value:"去年同期"
          }],
        rptData: {
          xArr:[],
          series:{},
          legendArr:[]
        }
      }
    },
    methods: {
      /** 导出按钮操作 */
      handleGo(){
        var data = this.tableData; // 这里面是数据列表
        const column = [
          { title: "时段", dataIndex: "datelist" }, // dataIndex为数据列表中的数据字段
          { title: "预约人数", dataIndex: "plan_total" },
          { title: "入场人数", dataIndex: "use_total" },
          { title: "核销比", dataIndex: "per" },
        ];
        const instance = new ElMapExportTable(
          { column, data },
          { progress: progress => console.log(progress) }// 进度条回调
        );
        instance.download("参观明细统计报表"); // 导出的文件名
      },
      viewPart() {
        this.showData = !this.showData;
        this.btnText = this.showData ? "图表展示" : "数据展示"
      },
      viewPart() {
        this.showData = !this.showData;
        this.btnText = this.showData ? "图表展示" : "数据展示"
      },
      initLoad() {
        var that = this;
        var clientHeight = document.documentElement.clientHeight
        var lxHeader_height = 96.5; //查询 头部
        var paginationHeight = 37; //分页的高度
        var topHeight = 50; //页面 头部
        let tableHeight = clientHeight - lxHeader_height - topHeight - paginationHeight - 20;
        that.tableHeight = tableHeight;
        that.chartHeight = tableHeight+"px"

      },
      load() {
        // this.showData = true;
        var planarr=[];
        var xArr=[];
        var usearr=[];
        var tableArr = [];
        duringRpt().then((res) => {
          for (var m of this.dataArr) {
            res[m.id].per = ((res[m.id].use_total / (res[m.id].plan_total == 0 ? 1 : res[m.id].plan_total)) * 100).toFixed(2) + "%"
            xArr.push(m.value);
            planarr.push(
              res[m.id].plan_total
            )
            usearr.push(
              res[m.id].use_total
            )
            tableArr.push({
              datelist:m.value,
              plan_total:res[m.id].plan_total,
              use_total:res[m.id].use_total,
              cancel_total:res[m.id].cancel_total,
              expire_total:res[m.id].expire_total,
              per:res[m.id].per
            })
          }
          this.rptData.series=[
            {
              name:"预约人数",
              type: 'bar',
              data:planarr
            },
            {
              name:"入场人数",
              type: 'bar',
              data:usearr
            }
          ]
          this.rptData.xArr = xArr;
          this.rptData.legendArr = xArr;
          this.tableData = tableArr;
        }).catch((res) => {})
      }

    }
  };
</script>
