import {compose} from '@avocado/core';
import {Trait} from '@avocado/entity';

import {shapeFromJSON} from '../shape-from-json';
import {ShapeView} from '../shape-view';

const decorate = compose(
);

export class Shaped extends decorate(Trait) {

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

  static type() {
    return 'shaped';
  }

  constructor(entity, params, state) {
    super(entity, params, state);
    this._shape = shapeFromJSON(this.params.shape);
    this.shapeView = undefined;
  }

  destroy() {
    this._shape.destroy();
    if (this.shapeView) {
      this.shapeView.destroy();
      this.shapeView = undefined;
    }
  }

  get shape() {
    return this._shape;
  }

  listeners() {
    return {

      traitAdded: (type) => {
        if (AVOCADO_CLIENT) {
          if (this.entity.is('visible') && this.entity.is('debuggable')) {
            if (!this.shapeView) {
              this.shapeView = new ShapeView(this.entity.shape);
              this.shapeView.visible = this.entity.isDebugging;
              this.shapeView.zIndex = 100;
              this.entity.container.addChild(this.shapeView);
            }
          }
        }
      }

    };
  }

}