import {Vec2} from "./common.js";
import {Graphics, Texture, Spritesheet} from "./graphics.js";

export type Color = [number, number, number, number]

export const Colors = {
    Red   : [1, 0, 0, 1]              as Color,
    Green : [0, 1, 0, 1]              as Color,
    Blue  : [0, 0, 1, 1]              as Color,
    Brown : [0.341, 0.337, 0.204, 1]  as Color,
    Gray  : [0.66, 0.66, 0.66, 1]     as Color,
}

export type Asset = Texture | Spritesheet;

export class Assets {
    assets: Map<string, Asset> = new Map();

    push(name: string, asset: Asset) {
        if (this.assets.get(name) !== undefined)
            throw new Error("Asset name occupied!");

        this.assets.set(name, asset);
    }
    
    get(name: string): Asset {
        let a = this.assets.get(name);
        if (a === undefined)
            throw new Error("Couldn't find asset: " + name);
            
        return a;
    }

    async load(gfx: Graphics) {
        assets.push("sprites", new Spritesheet(await Texture.load(gfx, "../../assets/sprites.png"), new Vec2(16, 16)));
    }
}

export const assets = new Assets();