import React,  { Component } from 'react';
import { Chart, Geom, Axis, Tooltip, Coord, Label, Legend, View, Guide, Shape } from 'bizcharts';
import DataSet from '@antv/data-set';
import data from '../../data/relationship-with-weight.json';

const { DataView } = DataSet;
const { Text } = Guide;

const ds = new DataSet();
const dv = ds.createView().source(data, {
  type: 'graph',
  edges: d => d.links
});
dv.transform({
  type: 'diagram.arc',
  marginRatio: 0.5,
  // sortBy: 'frequency' // id, weight, frequency, {function}
});


export default class Arc extends Component {

  render() {
    return (
      <Chart  data={data} forceFit={true} height={window.innerHeight} >
        <Tooltip showTitle={false} />
        <View data={dv.edges} axis={false}>
          <Geom type='edge' position='x*y' shape='arc' color='source' opacity={0.5} tooltip={'source*target'} />
        </View>
        <View data={dv.nodes} axis={false}>
          <Geom type='point' position='x*y' shape='circle' size='value' color='id' opacity={0.5} style={{stroke:'grey'}} >
            <Label content='name' offset={-10} textStyle={{textAlign:'left', rotate:90, fill:'black'}} />
          </Geom>
        </View>
      </Chart>
    );
  }
}