<template>
  <div id="visit-bar" class="container"/>
</template>

<script>
import { multiScoreVisitor} from '@/api/pop';
import * as echarts from 'echarts';

export default {
  name: 'VisitBar',
  data() {
    return {
      isShow: true,
      myChart: null,
      height: '0',
      width: '0',
      chartSettings: {
        labelMap: { date: '时间' },
        metrics: [],
        dimension: ['date']
      },
      extend: {
        color: ['#0071ff88', '#00afff88', '#00fdc088'],
        legend: {
          textStyle: {
            color: '#cce9ff',
            fontWeight: 'bold'
          },
          lineStyle: {
            width: 10
          },
          data: ['访客控制安防评分']
        },
        // aria: {
        //   enabled: true,
        //   decal: {
        //     show: true
        //   }
        // },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#cce9ff'
            }
          }
        },
        grid: {
          left: '1%',
          right: '2%',
          bottom: '1%',
          top: '15%',
          containLabel: true
        },
        xAxis: {
          type: 'category',
          axisLine: {
            lineStyle: {
              color: '#cce9ff'
            }
          },
          axisLabel: {
            color: '#cce9ff'
          }
        },
        yAxis: {
          position: 'left',
          type: 'value',
          axisLine: {
            lineStyle: {
              color: '#cce9ff'
            }
          },
          axisLabel: {
            color: '#cce9ff'
          }
        },
        series: [
          {
            name: '访客控制安防评分',
            type: 'bar',
            barMaxWidth: 30,
            label: {
              show: true,
              position: 'insideTop'
            },
            // decal: {
            //   symbol: 'circle'
            // },
            itemStyle: {
              color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                { offset: 1, color: 'rgba(255,190,68,0.4)' },
                // { offset: 0.3, color: 'rgba(0,253,232,0.8)' },
                { offset: 0, color: '#82b4dc' }
              ])
            }
          }
        ]
      },
      chartData: {
        columns: [],
        rows: []
      }
    }
  },
  mounted() {
    this.myChart = echarts.init(document.getElementById('visit-bar'))
    this.height = document.getElementById('visit-bar').clientHeight - 10 + 'px'
    this.width = document.getElementById('visit-bar').clientWidth - 10 + 'px'
    const that = this
    window.addEventListener('resize', function() {
      that.reload()
    })
    this.fetchData()

  },

  methods: {
    async reload() {
      this.isShow = false
      await this.$nextTick()
      this.height = document.getElementById('visit-bar').clientHeight - 10 + 'px'
      this.width = document.getElementById('visit-bar').clientWidth - 10 + 'px'
      this.isShow = true
    },
    // 获取数据
    fetchData() {
      // this.chartData.columns = ['date', 'score']
      // this.chartSettings.metrics = ['score']
      // this.chartSettings.labelMap = { 'date': '时间', 'score': '访客控制安防评分' }
      multiScoreVisitor().then(response => {
        if (response.code === 200) {
          // this.chartData.rows = response.data
          this.extend.series[0].data = response.data.map(item => item.score)
          this.extend.xAxis.data = response.data.map(item => item.date)
          this.myChart.setOption(this.extend, true)
        }
      })
    }
  }
}
</script>
<style lang="scss" scoped>
.container{
  position:relative;
  width: 100%;
  height:100%;
}
</style>