import { Runtime, corelib, extend } from '@antv/g2';
import { threedlib } from '@antv/g2-extension-3d';
import { CameraType } from '@antv/g';
import { Renderer as WebGLRenderer } from '@antv/g-webgl';
import { Plugin as ThreeDPlugin, DirectionalLight } from '@antv/g-plugin-3d';
import { Plugin as ControlPlugin } from '@antv/g-plugin-control';

// Create a WebGL renderer.
const renderer = new WebGLRenderer();
renderer.registerPlugin(new ControlPlugin());
renderer.registerPlugin(new ThreeDPlugin());

const Chart = extend(Runtime, {
  ...corelib(),
  ...threedlib(),
});

// Initialize chart instance
const chart = new Chart({
  container: 'container',
  renderer,
  width: 500,
  height: 500,
  depth: 400,
});

const data = [];
for (let x = 0; x < 5; ++x) {
  for (let z = 0; z < 5; ++z) {
    data.push({
      x: `x-${x}`,
      z: `z-${z}`,
      y: 10 - x - z,
      color: Math.random() < 0.33 ? 0 : Math.random() < 0.67 ? 1 : 2,
    });
  }
}

chart
  .interval3D()
  .data({
    type: 'inline',
    value: data,
  })
  .encode('x', 'x')
  .encode('y', 'y')
  .encode('z', 'z')
  .encode('color', 'color')
  .encode('shape', 'cube')
  .coordinate({ type: 'cartesian3D' })
  .scale('x', { nice: true })
  .scale('y', { nice: true })
  .scale('z', { nice: true })
  .legend(false)
  .axis('x', { gridLineWidth: 2 })
  .axis('y', { gridLineWidth: 2, titleBillboardRotation: -Math.PI / 2 })
  .axis('z', { gridLineWidth: 2 })
  .style('opacity', 0.7);

chart.render().then(() => {
  const { canvas } = chart.getContext();
  const camera = canvas.getCamera();
  camera.setPerspective(0.1, 5000, 50, 1280 / 960);
  camera.setType(CameraType.ORBITING);
  camera.rotate(-20, -20, 0);

  // Add a directional light into scene.
  const light = new DirectionalLight({
    style: {
      intensity: 2.5,
      fill: 'white',
      direction: [-1, 0, 1],
    },
  });
  canvas.appendChild(light);
});