import { produce } from 'immer';

import village, { type VillageState } from "./village";


let lastFrame: number;


export default function update(timestamp: number) {
    if (!lastFrame) {
        lastFrame = timestamp;
        return;
    }

    const delta = timestamp - lastFrame;

    village.update(state => {
        return produce(state, (V: VillageState) => {
            V.buildings.forEach(b => {
                if (b.behavior.production) {
                    b.behavior.production(V, b, delta);
                }
            });
            return V;
        });
    });

    lastFrame = timestamp;
}