<script setup lang="ts">
import dayjs from "dayjs";
import {Search} from "@element-plus/icons-vue";
import {ElMessage} from "element-plus";
class SearchModel{
  startTime?: Date | string
  endTime?: Date | string
  constructor() {
    this.startTime = dayjs().subtract(1, 'day').startOf('day').toDate()
    this.endTime = dayjs().endOf('day').toDate()
  }
}
const searchModel=reactive(new SearchModel())
const isLoading=ref(false)
let myColumns = []
const result=ref(null)
async function btSearch(){
  result.value=null
  isLoading.value=true
  myColumns=[]
  //查询数据的参数
  const params={
  }
  result.value=await executeForListApi(params);
  //查询列的参数
  const paramsColumn={
  }
  const ColumnList=await DynamicApiController.selectDynamicApiColumnList(paramsColumn);
  await dynamicColumn(ColumnList.data)
  await reverseTable(myColumns,result.value.data)
  isLoading.value=false
/*  setTimeout(()=>{
    ModifyStyle()
    isLoading.value=false
  },5000)*/
}
async function dynamicColumn(list){
  list.map(item => {
    if (item.columnName != 'deptCode')
      myColumns.push( {
        field : item.columnName,
        title : item.columnTitle
      })
  })
}
// 反转函数
async function reverseTable (columns, list) {
  let index=0
  const buildData = columns.map(column => {
    let item = null
    if(index==0 || index==8){
      item = { col0 : `运营效率25分`,col1: column.title }
    }else {
      item = { col1: column.title }
    }
    index++
    list.forEach((row, index) => {
      //让col1的值也变成col0的值,因为要两列
      item[`col${index + 2}`] = row[column.field]
    })
    console.log(item)
    return item
  })
  const buildColumns = [
    {
      field: 'col0',
      fixed: 'left',
      width: 120,
      align: 'center',
      size: 'medium'
    },
    {
      field: 'col1',
      fixed: 'left',
      width: 120,
      align: 'center',
      size: 'medium'
    }
  ]
  list.forEach((item, index) => {
    buildColumns.push({
      field: `col${index + 2}`,
      fixed: '',
      width: 100,
      align: 'center',
      size: 'medium'
    })
  })
  gridOptions.data = buildData
  gridOptions.columns = buildColumns
}
const gridOptions = reactive({
  border: true,
  showHeader: false,
  columns: [],
  data: []
})

// 计算合并行列
function rowSpanMethod({row, _rowIndex, column, visibleData}) {
  // 合并行和列 范围
  if (column.property == 'col0' && _rowIndex == 0) {
    return {rowspan: 8, colspan: 1}
  }
  if (column.property == 'col0' && _rowIndex == 8) {
    return {rowspan: 2, colspan: 1}
  }
  if (column.property == 'col0') {
    return {rowspan: 0, colspan: 0}
  }
  return null
}
//设置表格的样式
function ModifyStyle(){
  //单独设置第二列的第一行和倒数第二行的背景色
  let tbodies = document.getElementsByTagName('tbody');
  console.log(tbodies[0])
  tbodies[0].rows[0].cells[1].style.background = "red"
  tbodies[0].rows[8].cells[1].style.background = "red"
}
//导出表格
const xTable=ref(null)
function exportDataEvent () {
  if (result.value === null){
    ElMessage.warning('暂无数据可打印')
    return
  }
  xTable.value.exportData({ type: 'csv' })
}
</script>
<template>
  <div>
    <el-header style="padding: 0 ;margin-bottom: -10px">
      <el-row :gutter="20" class="row-align">
        <el-col :span="22" class="align-item">
          选择日期：
          <el-date-picker
              type="date"
              placeholder="选择开始时间"
              clearable
              v-model="searchModel.startTime"
          />
          <span style="margin: 0 8px;">
            至:
          </span>
          <el-date-picker
              type="date"
              placeholder="选择结束时间"
              clearable
              v-model="searchModel.endTime"
          />
        </el-col>
        <el-col :span="2" class="align-right">
          <el-button :icon="Search" type="primary" @click="exportDataEvent">导出</el-button>
          <el-button :icon="Search" type="primary" @click="btSearch">查询</el-button>
        </el-col>
      </el-row>
    </el-header>
    <el-main style="padding: 0">
      <vxe-grid ref="xTable" style="font-size: 1px ! important" class="reverse-table" v-bind="gridOptions" :span-method="rowSpanMethod" height="100%" :loading="isLoading"></vxe-grid>
    </el-main>
  </div>
</template>
<style scoped lang="scss">
.row-align {
  display: flex;
  justify-content: space-between;
  align-items: center; /* 垂直居中 */
}
.align-item{
  display: flex;
  align-items: center;
}
.align-right {
  display: flex;
  justify-content: flex-end; /* 靠右对齐 */
}
::v-deep(.reverse-table .vxe-body--row .vxe-body--column:first-child ){
  //background-color: #f8f8f9;
}
/*::v-deep(.reverse-table .vxe-body--row .vxe-body--column:nth-child(2)) {
  !* 第二个 .vxe-body--column 的样式 *!
  background-color: #f8f8f9;
}*/
::v-deep(.vxe-table--render-default .vxe-table--body-wrapper, .vxe-table--render-default .vxe-table--footer-wrapper, .vxe-table--render-default .vxe-table--header-wrapper){
  font-size: 15px;
}
</style>