import {compose} from '@avocado/core';
import {Trait} from '@avocado/entity';
import {shapeFromJSON, ShapeView} from '@avocado/physics';

const decorate = compose(
);

export class Shaped extends decorate(Trait) {

  static defaultParams() {
    return {
      shape: undefined,
    };
  }

  initialize() {
    this._shape = shapeFromJSON(this.params.get('shape').toJS());
    this.shapeView = undefined;
  }

  destroy() {
    if (this.shapeView) {
      this.shapeView.destroy();
    }
  }

  get shape() {
    return this._shape;
  }

  listeners() {
    return {

      traitAdded: (type) => {
        if (this.entity.container) {
          if (!this.shapeView) {
            this.shapeView = new ShapeView(this.entity.shape);
            this.shapeView.zIndex = 100;
            this.entity.container.addChild(this.shapeView);
          }
        }
      }

    };
  }

}