import { SymbolData } from '../types';
import { ObjectBase, Image } from "dsg-engine";

export class Symbol extends ObjectBase {
    private _symbolImg: Image;
    private _symbolCode: number;

    public get symbolCode() { return this._symbolData.id; }
    public get spritesheetName() { return this._symbolData.spritesheet; }
    public get symbolData() { return this._symbolData; }

    /**
     * @param _symbolData Object containing symbol data (like id and spritesheet)
     * @param name OPTIONAL name of the symbol, used for debugging. If not provided, the name of the spritesheet is used.
     */
    constructor(
        private _symbolData: SymbolData,
        name?: string
    ) {
        super({name});

        this.create(_symbolData.spritesheet);
    }

    /**
     * Toggle the fade effect on the symbol
     * @param fade True to fade the symbol, false to show it
     */
    public toggleFade(fade: boolean) {
        if (fade) {
            this._symbolImg.alpha = 0.6;
        } else {
            this._symbolImg.alpha = 1;
        }
    }

    /**
     * Start the win animation
     */
    public playWinAnimation() {
        this.toggleFade(false);
        this._symbolImg.srcAnimatedSprite.animationSpeed = 0.7;
        this._symbolImg.srcAnimatedSprite.gotoAndPlay(0);
    }

    /**
     * Stop the win animation
     */
    public stopWinAnimation() {
        this._symbolImg.srcAnimatedSprite.gotoAndStop(0);
    }

    /**
     * Change symbol, use a loaded spritesheet
     * @param symbolCode Identifying code of the symbol
     * @param src The name of the source spritesheet
     */
    // public change(symbolCode: number, src: string) {
    //     this._symbolImg.destroy();
    //     this.removeChild(this._symbolImg);
    //     this._symbolCode = symbolCode;
    //     this.create(src);
    // }

    public change(symbolData: SymbolData) {
        this._symbolImg.destroy();
        this.removeChild(this._symbolImg);
        this._symbolData = symbolData;
        this.create(symbolData.spritesheet);
    }

    /**
     * Change this symbol to another symbol
     * @param symbol the symbol object to copy data from
     */
    public copy(symbol: Symbol) {
        this.change(symbol.symbolData);
    }

    /**
     * Create the symbol image
     * @param src The name of the source spritesheet
     */
    private create(src: string) {
        this._symbolImg = Image.CreateAnimated(src, this.name);        
        this._symbolImg.srcAnimatedSprite.anchor.set(0.5, 0.5);
        this._symbolImg.srcAnimatedSprite.loop = true;
        this.addChild(this._symbolImg);
    }
}