import * as PIXI from 'pixi.js';
export default abstract class GameObject {
    protected _container: PIXI.Container;

    protected bounds: PIXI.Rectangle;

    private _events: PIXI.EventEmitter = new PIXI.EventEmitter();

    public setBounds(bounds: PIXI.Rectangle): void;
    public setBounds(x: number, y: number, width: number, height: number): void;
    public setBounds(boundsOrX: PIXI.Rectangle | number, y?: number, width?: number, height?: number) {
        if (boundsOrX instanceof PIXI.Rectangle) {
            this.bounds = boundsOrX;
        } else {
            this.bounds = new PIXI.Rectangle(boundsOrX, y, width, height);
        }
        this.triggerBoundsChanged(); // GameObject implements this.
    }

    public destroy() {
        this._events.removeAllListeners();
        if (this._container.parent) this._container.parent.removeChild(this._container);
        this._container.destroy();
    }

    public get container(): PIXI.Container {
        return this._container;
    }

    public get events(): PIXI.EventEmitter {
        return this._events;
    }

    public getBounds(): PIXI.Rectangle {
        return this.bounds;
    }

    protected triggerBoundsChanged() {
        this.draw();
    }

    protected abstract draw(): void;

    constructor(bounds?: PIXI.Rectangle) {
        this.bounds = bounds ?? new PIXI.Rectangle(0, 0, 0, 0);
        this._container = new PIXI.Container();
    }
}