bourgade/src/moves/upgradeBuilding.ts

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


export default function upgradeBuilding(V: VillageState, buildingId: number) {
    const building = V.buildings.find(b => b.id === buildingId);
    if (!building) {
        return false;
    }

    const cost = building.cost(building.level + 1);

    if (
        cost.wood > V.resources.wood
        || cost.stone > V.resources.stone
        || cost.iron > V.resources.iron
        || cost.food > V.resources.food
    ) {
        return false;
    }

    V.resources.wood -= cost.wood;
    V.resources.stone -= cost.stone;
    V.resources.iron -= cost.iron;
    V.resources.food -= cost.food;

    building.level++;

    return true;
}