import React, { useMemo } from 'react';
import echarts from 'echarts/lib/echarts';
import ReactEcharts from 'echarts-for-react';


const pallete = [
  ['#177ab3', '#51c3e7'],
  ['#9976dc', '#c792ee'],
  ['#94a1eb', '#a7caf8'],
  ['#7ae5c3', '#c9f4ea'],
  ['#c7dca5', '#f5fcd5'],
  ['#7988d9', '#9dc6f1'],
  ['#d9ed8f', '#d3f89b'],
];

const palleteLen = pallete.length;


const AreaDrpChart = () => {
  const x = ['清泉水厂','南湖水厂','东郊水厂','西山水厂']
  const y1 = [612, 601, 630, 640]
  const y2 = [624, 645, 665, 656]



  var option = {
    tooltip: {
      trigger: 'axis',
      axisPointer: {
        type: 'shadow',
        label: {
          show: false
        }
      },
      valueFormatter: (value) => value + ' 万m³'
    },
    grid: {
      top: 42,
      left: 50,
      right: 0,
      bottom: 27,
    },
    legend: {
      data: ['设计产能', '实际产水'],
      top: '8',
      left: 'center',
      itemWidth: 11,//11,
      itemHeight: 11,//11,
      textStyle: {
        color: '#B9BFC9',
        fontSize: 12,//12
      }
    },
    xAxis: [
      {
        type: 'category',
        data: x,
        splitLine: {
          show: true, //隐藏X轴轴线
          lineStyle: {
            color: 'rgba(255,255,255,0.2)',
            width: 0
          }
        },
        axisLabel: {
          show: true,
          textStyle: {
            color: '#B9BFC9' //X轴文字颜色
          },
          // rotate: 20, // 角度值：Number
          fontSize: 10,//10
        },
        axisLine: {
          show: true, //隐藏X轴轴线
          lineStyle: {
            color: 'rgba(255,255,255,0.2)',
            width: 0
          }
        },
        axisTick: {
          show: true,
        }
      }
    ],
    yAxis: [
      {
        type: 'value',
        position: 'left',
        name: '产水量m³',
        nameTextStyle: {
          color: '#B9BFC9',
          fontSize: 10,//10,
          padding: [0, 0, 0, -30],//[0, 0, 0, -30]//控制y轴标题位置
        },
        nameGap: 17,

        splitLine: {
          show: true,
          lineStyle: {
            width: 1,
            color: 'rgba(255,255,255,0.2)'
          }
        },
        axisLabel: {
          show: true,
          textStyle: {
            color: '#B9BFC9',
            fontSize: 11,//11
          }
        },
        axisLine: {
          show: false
        },
        axisTick: {
          show: false,
        },
        min: 200,
        max: 800,
      }
    ],
    series: [
      {
        name: '设计产能',
        type: 'bar',
        barWidth: 10,
        data: y1,
        itemStyle: {
          normal: {
            color: '#56b38b'
          },
        },
        // label: {
        //   show: true,
        //   position: 'top',
        //   color: '#bbb',
        //   fontSize: 12,
        //   textShadowBlur: 4,
        //   textShadowColor: '#6ab',
        // },
      },
      {
        name: '实际产水',
        type: 'bar',
        barWidth: 10,
        data: y2,
        itemStyle: {
          normal: {
            color: '#3860d0'
          },
        },
        // label: {
        //   show: true,
        //   position: 'top',
        //   color: '#bbb',
        //   fontSize: 12,
        //   textShadowBlur: 4,
        //   textShadowColor: '#6ab',
        // },
      }
    ]
  };

  return (
    <ReactEcharts
      option={option}
      style={{ height: '99%', width: '100%' }}
    />
  )
}

export default React.memo(AreaDrpChart);