package ch.zhaw.catan;

import java.util.HashMap;

/**
 * Bank Class that stores Resources when not being owned by a player,
 * and the needed functions to take and give resources to it.
 *
 * @author Leonardo Brandenberger
 */
public class Bank {
    private final HashMap<Config.Resource, Integer> resources = new HashMap<>();

    /**
     * Construct a Bank Object and stores Config Values in own HashMap.
     */
    public Bank() {
        resources.putAll(Config.INITIAL_RESOURCE_CARDS_BANK);
    }

    /**
     * Stores a desired resource in desired quantity in the bank.
     *
     * @param resource          the resource type that gets added to the bank
     * @param numberOfResources the quantity of resources of the chosen type get added
     */
    public void storeResourceToBank(Config.Resource resource, int numberOfResources) {
        resources.put(resource, resources.get(resource) + numberOfResources);
    }

    /**
     * Checks if a Resource is available in the quantity desired. and then deducts it from the bank inventory.
     *
     * @param resource          the resource type that has to be deducted
     * @param numberOfResources the quantity of the resource that gets deducted from the inventory
     * @return true if resources available and deducted false if not enough resources are in the bank
     */
    public boolean getResourceFromBank(Config.Resource resource, int numberOfResources) {
        if (resources.get(resource) >= numberOfResources) {
            Integer newResourceNumber = resources.get(resource) - numberOfResources;
            resources.put(resource, newResourceNumber);
            return true;
        } else {
            return false;
        }
    }
}