import { Chart, Tooltip, Axis, Box, LiteChart } from 'viser-react';
import * as React from 'react';
const DataSet = require('@antv/data-set');

const sourceData = [
  { x: 'Oceania', low: 1, q1: 9, median: 16, q3: 22, high: 24 },
  { x: 'East Europe', low: 1, q1: 5, median: 8, q3: 12, high: 16 },
  { x: 'Australia', low: 1, q1: 8, median: 12, q3: 19, high: 26 },
  { x: 'South America', low: 2, q1: 8, median: 12, q3: 21, high: 28 },
  { x: 'North Africa', low: 1, q1: 8, median: 14, q3: 18, high: 24 },
  { x: 'North America', low: 3, q1: 10, median: 17, q3: 28, high: 30 },
  { x: 'West Europe', low: 1, q1: 7, median: 10, q3: 17, high: 22 },
  { x: 'West Africa', low: 1, q1: 6, median: 8, q3: 13, high: 16 },
];

const dv = new DataSet.View().source(sourceData);
dv.transform({
  type: 'map',
  callback: (obj) => {
    obj.range = [ obj.low, obj.q1, obj.median, obj.q3, obj.high ];
    return obj;
  },
});
const data = dv.rows;

const scale = [{
  dataKey: 'range',
  max: 35,
}];

export default class App extends React.Component {
  constructor(props) {
    super(props);
  }

  render() {
    const tooltipOpts = {
      showTitle: false,
      crosshairs: {
        type: 'rect'
      },
      itemTpl: '<li data-index={index} style="margin-bottom:4px;">'
          + '<span style="background-color:{color};" class="g2-tooltip-marker"></span>'
          + '{name}<br/>'
          + '<span style="padding-left: 16px">最大值：{high}</span><br/>'
          + '<span style="padding-left: 16px">上四分位数：{q3}</span><br/>'
          + '<span style="padding-left: 16px">中位数：{median}</span><br/>'
          + '<span style="padding-left: 16px">下四分位数：{q1}</span><br/>'
          + '<span style="padding-left: 16px">最小值：{low}</span><br/>'
          + '</li>'
    };
    const boxStyle = {
      stroke: '#545454',
      fill: '#1890FF',
      fillOpacity: 0.3
    };
    const boxTooltip = ['x*low*q1*median*q3*high', (x, low, q1, median, q3, high) => {
      return {
        name: x,
        low,
        q1,
        median,
        q3,
        high
      };
    }];
    return (
      <div>
        <Chart forceFit height={400} data={data} scale={scale}>
          <Tooltip {...tooltipOpts} />
          <Axis />
          <Box position='x*range' style={boxStyle} tooltip={boxTooltip} />
        </Chart>
      </div>
    );
  }
}