Class 1: OrderingSystem




import java.awt.*;
import java.util.Scanner;
import java.text.DecimalFormat;

/**
 * Class to manage the pizza order.
 * @author up835351
 */
public class OrderingSystem
{
    private Canvas canvas;
    private double Price;
    private String Topping1;
    private String Topping2;
    private String Sauce;
    private String Size;
    private String Crust;
    private double BaseArea;
    private int numberToppings;
    private int numberPizza;

    /**
     * Constructor for the ordering system.
     */
    public OrderingSystem()
    {
        canvas = new Canvas("Pizza Ordering", 900, 650);
    }

    /**
     * Method to draw the outline of the order screen.
     */
    public void drawOrderScreen()
    {
        canvas.setForegroundColor(Color.BLACK);
        // vertical dividers
        canvas.drawLine(300, 0, 300, 600);
        canvas.drawLine(600, 0, 600, 600);

        // halfway divider
        canvas.drawLine(0, 300, 900, 300);

        canvas.drawLine(0, 600, 900, 600);
        canvas.setForegroundColor(Color.BLACK);
        canvas.setFontSize(25);
        DecimalFormat df = new DecimalFormat("#.00");
        String StrPrice = df.format(this.getPrice());
        canvas.drawString("Total Price of the Order:" + StrPrice, 10, 640);
    }

    // Selecting the Sauce
    static String setSauce(){
        System.out.print("what Sauce would you like, BBQ or tomato ?:   ");
        Scanner saucescanner = new Scanner(System.in);
        String Sauce = saucescanner.nextLine();

        if (Sauce.equals("BBQ")){
            System.out.print( "BBQ sauce selected !  ");
        }
        else if (Sauce.equals("Tomato")){
            System.out.print( "Tomato selected !"  );
        }

        else {
            saucescanner.reset();
            System.out.print("Invalid Sauce! ");
            Sauce = setSauce();

        }
        return Sauce;
    }

    /*
     * quantity of toppings
     */
    public int startToppings()
    {
        Boolean badNumber = true;
        Scanner scanner = new Scanner(System.in);
        System.out.print("How many toppings would you like ? 1 or 2 ?: ");
        int numberToppings = scanner.nextInt();
        while (badNumber){
            if(numberToppings >=3 && numberToppings <=0){
                System.out.print('\u000C');
                System.out.print("invalid number, please try again:     ");
                scanner.reset();
                Scanner tryAgain = new Scanner(System.in);
                System.out.print("How many toppings would you like ? 1 or 2 ?:     ");
                numberToppings = tryAgain.nextInt();
            }
            else {
                System.out.print(numberToppings + "Topping(s) selected     ");
                badNumber=false;
            }
        }
        return numberToppings;
    }

    public int numberOfPizza(){
        Boolean LoopNum = true;
        Scanner scanner = new Scanner(System.in);
        System.out.print("How many pizza's would you like ( Max. 6):   ");
        int numberPizza = scanner.nextInt();
        while (LoopNum){
            if(numberPizza >0 && numberPizza <=6){
                System.out.print('\u000C');
                System.out.print("invalid number, please try again:     ");
                scanner.reset();
                Scanner tryAgain = new Scanner(System.in);
                System.out.print("How many pizza's would you like ( Max. 6):    ");
                numberPizza = tryAgain.nextInt();
            }
            else {
                System.out.print(numberPizza + "Pizza(s) selected     ");
                LoopNum=false;
            }
        }
        return numberPizza;
    }

    /*
     * choise of toppings
     */

    static String setTopping1()
    {
        System.out.print("what would you like for your first topping, Mushroom or Peperoni ?     ");
        Scanner scanner1 = new Scanner(System.in);
        String Topping1 = scanner1.nextLine();
        if (Topping1.equals("Peperoni")){
            System.out.print( "Peperoni selected !   ");
        }
        else if (Topping1.equals("Mushroom")){
            System.out.print( "Mushroom selected !   ");
        }
        else {
            scanner1.reset();
            System.out.print("Invalid Topping!     ");
            Topping1=setTopping1();
        }
        return Topping1;

    }

    static String setTopping2()
    {

        System.out.print("what would you like for your second topping, Mushroom or Peperoni ?    ");
        Scanner scanner2 = new Scanner(System.in);
        String Topping2 = scanner2.nextLine();
        if (Topping2.equals("Peperoni")){
            System.out.print( "Peperoni selected !  ");
        }
        else if (Topping2.equals("Mushroom")){
            System.out.print( "Mushroom selected !"  );
        }

        else {
            scanner2.reset();
            System.out.print("Invalid Topping! ");
            Topping2=setTopping2();
        }

        return Topping2;
    }

    public String setSize(){
        System.out.print("What size would you like: Large, Medium or Small? :   ");
        Scanner sizescanner = new Scanner(System.in);
        String Size = sizescanner.nextLine();

        if (Size.equals("Large")){
            System.out.print( "Large selected !  ");
            this.Size = Size;
        }
        else if (Size.equals("Medium")){
            System.out.print( "Medium selected !"  );
            this.Size = Size;
        }

        else if (Size.equals("Small")){
            System.out.print( "Small selected !"  );
            this.Size = Size;
        }

        else {
            sizescanner.reset();
            System.out.print("Invalid Size! ");
            setSize();
        }
        return Size;

    }

    public double baseArea(String Size){
        BaseArea=0;
        if (Size.equals("Large")){
            BaseArea = 153.94;
        }
        else if (Size.equals("Medium")){
            BaseArea = 113.0976;
        }

        else if (Size.equals("Small")){
            BaseArea = 78.54;
        }
        return BaseArea;
    }

    public double getPrice(){
        return Price;
    }

    public String Crust(){
        System.out.print("What crust would you like: Deep Pan, Thin Crust or Stuffed Crust? :   ");
        Scanner crustscanner = new Scanner(System.in);
        String Crust = crustscanner.nextLine();

        if (Crust.equals("Deep Pan")){
            System.out.print( "Deep Pan selected !  ");
            this.Crust = Crust;
        }
        else if (Crust.equals("Thin Crust")){
            System.out.print( "Thin Crust selected !"  );
            this.Crust = Crust;
        }

        else if (Crust.equals("Stuffed Crust")){
            System.out.print( "Stuffed Crust selected !"  );
            this.Crust = Crust;
        }

        else {
            crustscanner.reset();
            System.out.print("Invalid crust! ");
            Crust();
        }

        return Crust;
    }

    public void calculatePrice(String Topping1, String Topping2, double Price, String Crust, double baseArea, Canvas canvas){
        Price = 0;

        // Topping price

        if (Topping1.equals("Mushroom")){
            Price += (0.05*5);
        }
        else {
            Price += (0.04*5);
        }

        if (numberToppings == 2){
            if (Topping2.equals("Mushroom")){
                Price += (0.05*4);
            }
            else {
                Price += (0.04*4);
            }
        }
        // Sauce price
        if (Sauce.equals("BBQ")){
            Price+= 0.50;
        }

        //Crust Price

        if (Crust.equals("Deep Pan")){
            Price += (0.11*baseArea);
        }
        if (Crust.equals("Thin Crust")){
            Price += (0.08*baseArea);
        }
        if (Crust.equals("Stuffed Crust")){
            Price += (0.14*baseArea);
        }

        System.out.print ("current price" + Price);
        this.setPrice(Price);

    }

    public void setPrice(double newPrice){
        this.Price= newPrice;
    }

    /**
     * Method to manage the ordering of the pizzas (once completed).
     */
    public void startOrdering()
    {


        Size=this.setSize();
        BaseArea = this.baseArea(Size);
        Crust= this.Crust();
        numberToppings = this.startToppings();
        Sauce = this.setSauce();
        Topping1 = this.setTopping1();
        if (numberToppings==2){
            Topping2 = this.setTopping2();
        }
        calculatePrice(Topping1,Topping2,Price,Crust,BaseArea,canvas);

        Pizza pizza1 = new Pizza(canvas, 0, 0,Topping1,Topping2, Sauce,numberToppings, Crust);
        pizza1.displayPizza();

        Pizza pizza2 = new Pizza(canvas, 300, 0,Topping1,Topping2, Sauce,numberToppings, Crust);
        pizza2.displayPizza();

        Pizza pizza3 = new Pizza(canvas, 600, 0,Topping1,Topping2, Sauce,numberToppings, Crust);
        pizza3.displayPizza();

        Pizza pizza4 = new Pizza(canvas, 0, 300,Topping1,Topping2, Sauce,numberToppings, Crust);
        pizza4.displayPizza();

        Pizza pizza5 = new Pizza(canvas, 0, 300,Topping1,Topping2, Sauce,numberToppings, Crust);
        pizza4.displayPizza();

        Pizza pizza6 = new Pizza(canvas, 0, 300,Topping1,Topping2, Sauce,numberToppings, Crust);
        pizza4.displayPizza();

    }
}