/**
 * BASIC text-based web store on your computer. Web store has two menus:
 * Main menu and Items menu. Items include name and price.
 * Keep track what the user has bought.
 * Finally print cart contents and their price.
 *
 *
 * @author Martin Silén
 * @version W.4.3.
 */
import java.util.*;
public class WebStore {
    static Scanner reader=new Scanner(System.in);
    static int choice;
    static ArrayList <Item> currentCart= new ArrayList<Item>();
    static ArrayList <Item> clearCart= new ArrayList<Item>();
    public static void main(String[] args) {
        //Introprompt.
        System.out.println("Welcome to the web store!");
        System.out.println("Currently you have in your cart:\n\n");
        //Main menu
        String mainMenu = "Main Menu"
                        + "\nWhat do you want to do:"
                        +"\n1. Add items to the  cart"
                        +"\n2. Clear the cart"
                        +"\n3. Leave";
        mainMenu : while (true){
                System.out.println(mainMenu);
                choice=reader.nextInt();
                switch (choice){
                    case 1:
                        chooseItem(); //Prompts Item method and menu
                        break;
                    case 2: System.out.println("\nYou have emptied your cart"+clearCart());
                        break;
                    case 3: System.out.println("\nYou have bought the following items today: "+checkCart()+"\nExiting..."); //ending message
                        break mainMenu;
                    default: System.out.println("Please try again."); //if they punch the wrong number
                        break;
            }
        }
    }
        public static void chooseItem(){
            String itemMenu = "\nItems menu"
                        + "\nWhat item would you like to add to your cart?"
                        + "\n1: Newspaper (20€)"
                        + "\n2: Course book (40€)"
                        + "\n3: Laptop (400€)"
                        + ""
                        + "\n4: Back to main menu";
        itemMenu : while (true){
            System.out.println(itemMenu);
            choice=reader.nextInt();
                switch (choice){
                    case 1: System.out.println("\nYou have added a Newspaper (20€)");
                        addNewspaper();
                        System.out.println("Currently you have in your cart"+checkCart());
                        break;
                    case 2: System.out.println("\nYou added a Course book 40€");
                        addCourseBook();
                        System.out.println("Your cart now contains"+checkCart());
                        break;
                    case 3: System.out.println("\nYou added a Laptop (400€)");
                        addLaptop();
                        System.out.println("Your cart now contains"+checkCart());
                        break;
                    case 4:
                        break itemMenu;
                    default: System.out.println("\nPlease try again");
                        break;
                }
            }
        }
        public static String checkCart(){
           return currentCart.toString();
        }
        public static String clearCart(){
            currentCart=clearCart;
            return clearCart.toString();
        }
        public static ArrayList addNewspaper(){
            Item nyGrej=new Item("Newspaper subscription", 20);
            currentCart.add(nyGrej);
                return currentCart;
        }
        public static ArrayList addCourseBook(){
            Item nyGrej=new Item("Course Book", 40);
            currentCart.add(nyGrej);
                return currentCart;
        }
        public static ArrayList addLaptop(){
            Item nyGrej=new Item("Laptop", 400);
            currentCart.add(nyGrej);
                return currentCart;
        }
}