import type { Game, RuntimeGameScene, RuntimeScene, World } from "../types";
import { clone } from "../utils";
import { populateRuntimeScene } from "../utils/runtime";

export class GameFactory {

    public static create(world: World): Game {
        const scene = populateRuntimeScene(clone(world.initialScene), world);

        return {
            paused: false,
            time: 0,
            scene: GameFactory.initGameScene(scene),
        }
    }

    public static load(): Game | undefined {
        const json = localStorage.getItem("game");
        if (json) {
            return JSON.parse(json) as Game;
        }
    }

    public static save(game: Game): void {
        localStorage.setItem("game", JSON.stringify(game));
    }

    private static initGameScene(scene: RuntimeScene): RuntimeGameScene {
        return scene as RuntimeGameScene;
    }
}