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

export default class Amap2demo_heatmap 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: 58.5,
        pitch: 0,
        center: [111.8759, 30.6942],
        rotation: 0.519,
        zoom: 3.6116,
        viewMode: '3D',
      }),
    });
    this.scene = scene;

    scene.on('loaded', () => {
      fetch(
        'https://gw.alipayobjects.com/os/basement_prod/337ddbb7-aa3f-4679-ab60-d64359241955.json',
      )
        .then((res) => res.json())
        .then((data) => {
          const layer = new HeatmapLayer({})
            .source(data)
            .size('capacity', [0, 1])
            .shape('heatmap3D')
            // weight映射通道
            .style({
              intensity: 10,
              radius: 5,
              opacity: 1.0,
              rampColors: {
                colors: [
                  '#2E8AE6',
                  '#69D1AB',
                  '#DAF291',
                  '#FFD591',
                  '#FF7A45',
                  '#CF1D49',
                ],
                positions: [0, 0.2, 0.4, 0.6, 0.8, 1.0],
              },
            });
          scene.addLayer(layer);
        });
    });
  }

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