<!--
 * @Description: 总体就餐人次每日趋势统计
 * @Description: 总体就餐人次每日趋势统计
 * @Author: 王晓颖
 * @Date: 2020-11-17 10:07:47
 -->
<template>
  <!--<chart-layout title="停车场流量统计" @click="getData">-->
    <div style="width: 100%;height:100%;padding:0.1rem">
      <gradient-line-chart
        :id="options.id"
        :unit="options.unit"
        :height="options.height"
        :legend="options.xAxisData"
        :xAxisData="options.xAxisData"
        :seriesData="options.seriesData"
      />
    </div>
  <!--</chart-layout>-->
</template>

<script>
import ChartLayout from '@/components/layout/chartLayout'
import ColorfulBarChart from '@/components/barChart/colorfulBarChart'
import GradientLineChart from '@/components/lineChart/gradientLineChart'
import { fetchCanteenDayNum } from '@/api/ecard'
import { dateToString, getLastWeek } from '@/utils/formatDate'
export default {
  name: 'canteenFlowLine',
  components: {GradientLineChart, ColorfulBarChart, ChartLayout},
  data () {
    return {
      options: {
        id: 'canteen_flow_line',
        height: '100%',
        width: '100%',
        unit: '次',
        xAxisData: ['', '', '', '', '', '', ''],
        seriesData: [
          {name: '人流量', data: [0, 0, 0, 0, 0, 0, 0], color: '0,144,255'}
          // {name: '出场流量', data: [110, 222, 91, 82, 278, 200, 91], color: '0,144,255'}
        ]
      }
    }
  },
  created () {
    this.getData()
  },
  methods: {
    getData () {
      const today = dateToString(new Date(), 'y-m-d')
      const sevenday = dateToString(getLastWeek(), 'y-m-d')
      const params = {params: [sevenday, today]}
      fetchCanteenDayNum(params).then(response => {
        if (response.code === 200) {
          const data = response.data
          if (data.length === 0) {
            this.options.xAxisData = []
          } else {
            this.options.xAxisData = data.map(item => { return item.date.substring(5) })
          }
          const value = data.map(item => { return item.value === '' ? 0 : item.value })
          this.options.seriesData = [
            {name: '人流量', data: value, color: '0,144,255'}
          ]
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss" scoped>

</style>