import * as THREE from 'three'
import { System } from '../../src'
import { ExampleEntity } from './example-entity'

export class ExampleSystem extends System {
  addExampleEntity() {
    const entity = new ExampleEntity({
      name: 'example-entity',
      position: new THREE.Vector3(0, 0, 0),
      rotation: new THREE.Euler(0, 0, 0)
    })

    this.addEntity(entity)
  }

  onAdded(): void {
    this.addExampleEntity()

    const { EventManager } = this._app
    EventManager.subscribe(
      'move',
      (data: any) => {
        const entity = this.getEntity('example-entity')
        entity && entity.updatePose(data.position, entity.Quaternion, data.animateTime)
      },
      'example-system'
    )
  }

  onRemoved(): void {
    const { EventManager } = this._app
    EventManager.unsubscribeInScope('move', 'example-system')
  }

  onUpdating(deltaTime: number): void {}
}