import { LineLayer, Scene } from '@antv/l7';
import { GaodeMap } from '@antv/l7-maps';
import * as React from 'react';

export default class Amap2demo_winds extends React.Component {
  // @ts-ignore
  private scene: Scene;

  public componentWillUnmount() {
    this.scene.destroy();
  }

  public async componentDidMount() {
    const scene = new Scene({
      id: 'map',
      map: new GaodeMap({
        pitch: 0,
        style: 'light',
        center: [-74.006, 40.7128],
        zoom: 2,
        viewMode: '3D',
      }),
    });
    this.scene = scene;

    scene.on('loaded', () => {
      fetch(
        'https://gw.alipayobjects.com/os/bmw-prod/7455fead-1dc0-458d-b91a-fb4cf99e701e.txt',
      )
        .then((res) => res.text())
        .then((data) => {
          const layer = new LineLayer({ blend: 'normal' })
            .source(data, {
              parser: {
                type: 'csv',
                x: 'lng1',
                y: 'lat1',
                x1: 'lng2',
                y1: 'lat2',
              },
            })
            .size(1)
            .shape('arc')
            .color('#6495ED')
            .animate({
              duration: 4,
              interval: 0.2,
              trailLength: 0.6,
            });
          // .forward(false)
          scene.addLayer(layer);
        });
    });
  }

  public render() {
    return (
      <>
        <div
          id="map"
          style={{
            position: 'absolute',
            top: 0,
            left: 0,
            right: 0,
            bottom: 0,
          }}
        />
      </>
    );
  }
}
