CoffeeMaker.java

package edu.ncsu.csc326.coffeemaker;

import edu.ncsu.csc326.coffeemaker.exceptions.InventoryException;

/**
 * @author Sarah Heckman
 */
public class CoffeeMaker {
	/** Array of recipes in coffee maker. */
    private static RecipeBook recipeBook;
	/** Inventory of the coffee maker. */
    private static Inventory inventory;
	
    /*
     * Constructor for the coffee maker
     *
     */
	public CoffeeMaker() {
	    recipeBook = new RecipeBook();
		rb1 = new RecipeBook();//here
		rb2 = new RecipeBook();//and here
		inventory = new Inventory();
	}
	
	/**
	 * Returns true if the recipe is added to the
	 * list of recipes in the CoffeeMaker and false
	 * otherwise.
	 * @param r 
	 * @return boolean
	 */
	public boolean addRecipe(Recipe r) {
		return recipeBook.addRecipe(r);
	}
	
	/**
	 * Returns the name of the successfully deleted recipe
	 * or null if the recipe cannot be deleted.
	 * @param recipeToDelete 
	 * @return String 
	 */
	public String deleteRecipe(int recipeToDelete) {
		return recipeBook.deleteRecipe(recipeToDelete);
	}
	
	/**
	 * Returns the name of the successfully edited recipe
	 * or null if the recipe cannot be edited.
	 * @param recipeToEdit 
	 * @param r 
	 * @return String
	 */
	public String editRecipe(int recipeToEdit, Recipe r) {
		return recipeBook.editRecipe(recipeToEdit, r);
	}
    
    /**
     * Returns true if inventory was successfully added.
     * @param amtCoffee 
     * @param amtMilk 
     * @param amtSugar 
     * @param amtChocolate 
     * @return boolean 
     */
    public synchronized void addInventory(String amtCoffee, String amtMilk, String amtSugar, String amtChocolate) throws InventoryException {
	    inventory.addCoffee(amtCoffee);
	    inventory.addMilk(amtMilk);
	    inventory.addSugar(amtSugar);
	    inventory.addChocolate(amtChocolate);
    }
    
    /**
     * Returns the inventory of the coffee maker
     * @return Inventory
     */
    public synchronized String checkInventory() {
        return inventory.toString();
    }
    
    /**
     * Returns the change of a user's beverage purchase, or.
     * the user's money if the beverage cannot be made
     * @param r
     * @param amtPaid 
     * @return int
     */
    public synchronized int makeCoffee(int recipeToPurchase, int amtPaid) {
        int change = 0;
        
        if (getRecipes()[recipeToPurchase] == null) {
        	change = amtPaid;
        } else if (getRecipes()[recipeToPurchase].getPrice() <= amtPaid) {
        	if (inventory.useIngredients(getRecipes()[recipeToPurchase])) {
        		change = amtPaid - getRecipes()[recipeToPurchase].getPrice();
        	} else {
        		change = amtPaid;
        	}
        } else {
        	change = amtPaid;
        }
        
        return change;
    }

	/**
	 * Returns the list of Recipes in the RecipeBook.
	 * @return Recipe []
	 */
	public synchronized Recipe[] getRecipes() {
		return recipeBook.getRecipes();
	}
}