/**
 * This class simulates the sale of a retail item
 *
 * @author Adrian Sieroslawski
 * @version 1.0
 */
public class CashRegister{
    public static final double TAX_RATE = 0.06;

    private RetailItem item;
    private int quantitySold;

    // Constructors
    public CashRegister() {
        item = new RetailItem();
    }

    public CashRegister(String newItem, int newQuantitySold) {
       setItemSold(newItem);
       setQuantitySold(newQuantitySold);

       item = new RetailItem(newItem, newQuantitySold);
       newQuantitySold = quantitySold;
    }

    public CashRegister(RetailItem itemSold) {
        item = itemSold;
    }

    //Accessors aka Getters
    public RetailItem getItemSold() {
        return item;
    }

     public int getQuantitySold() {
        return quantitySold;
    }

    //Mutators aka Setters

    public void setQuantitySold(int quantity) {
        if(quantity >= 0 && quantity <= item.getNumberOfUnitsInStock()) {
            quantitySold = quantity;
        }
    }

    public void setItemSold(String itemSold) {
        if(itemSold != null) {
            item = itemSold;
        } else {
            item = new RetailItem();
        }
    }
    // Calculation Methods
    public double calculateSubtotal() {
        double subTotal = getQuantitySold() * item.getItemPriceInCAD();
        return subTotal;
    }

    public double calculateTax() {
        double totalTax = TAX_RATE * calculateSubtotal();
        return totalTax;
    }

    public double calculateTotal() {
        double total = calculateSubtotal() + calculateTax();
        return total;
    }

    public void printSalesReceipt() {


    }




}