Pizza.java

package lesson3;

public class Pizza {
    private PizzaSize pizzaSize;
    private PizzaType pizzaType;
    private int quantity;
    private double price;
  public Pizza(PizzaSize pizzaSize, PizzaType pizzaType, int quantity){
      if(quantity<=0){
          throw new IllegalArgumentException("Quantity must be greater than Zero");
      }
      this.pizzaSize=pizzaSize;
        this.pizzaType=pizzaType;
        this.quantity=quantity;

        calculatePrice();
   }
   private void calculatePrice(){
         double sizePrice=switch (pizzaSize){
             case SMALL->8;
             case MEDIUM ->10;
             case LARGE -> 12;
         };
         double typePrice=switch(pizzaType){
             case VEGGIE -> 1;
             case CHEEZE -> 1.5;
             case BBQ_CHICKEN -> 2;
             case PEPPERONI -> 2;
         };
         this.price=(sizePrice+typePrice)*quantity;
         }
      public String printOrderSummary(){
         double tax=price*0.3;
         double totalPrice=price+tax;
         return String.format("Pizza Order:%n" +
                 "Size: %s%n" + "Type: %s%n" +
                 "Qty: %d%n" + "Price: $%.2f%n" +
                 "Tax: $%.2f%n" + "Total Price: $%.2f%n", pizzaSize, pizzaType, quantity, price, tax, totalPrice);
      }
   }