// Name: SHENOUDA, ANTHONY  11-2-19
// LAB 5 GRIGORIANTS, NATALIA T TH
import java.util.Scanner;

public class LAB_5_SHENOUDA_ANTHONY {
    public static Inventory inventory = new Inventory();
    public static Scanner input = new Scanner(System.in);

    public static void main(String[] args) {
        menu();// prompts the user to control the program
    }

			     /*
     * [menu]It goes to the method and assigns the numbers that are saved.
     * [menu post-condition] It returns what is saved and continues to each method.
     * It assigns the right topics to each method.
     */


     public static void menu() {
        {
            System.out.println("Menu:\n(1) Create new order\n" + "(2) Create new delivery\n" + "(3) Display Orders\n"
                    + "(4) Display deliveries\n" + "(5) Display Widgets On Hand\n" + "(6) Quit\n");

            Menu choice = Menu.fromId(input.nextInt());
            input.nextLine();

            switch (choice) {
            case NEW_DELIVERY:
                inventory.addDelivery(createNewDelivery());
                System.out.println(String.format("\t%11s\t\t%10s\t\t %11s\t\t%10s","Qty On Hand", "Unit Price", "Cost To Warehouse", "Cost To Customer")); inventory.getDeliveries().forEach(d -> System.out.println(d));
                break;
            case NEW_ORDER:
                inventory.addOrder(createNewOrder());
                System.out.println(String.format("\t%11s\t\t%10s\t\t %11s\t\t%10s","Qty On Hand", "Unit Price", "Cost To Warehouse", "Cost To Customer")); inventory.getDeliveries().forEach(d -> System.out.println(d));

                break;
            case DISPLAY_ORDERS:
                inventory.getOrders().forEach(o -> System.out.println(o));
               inventory.getFulfilledOrders().forEach(f -> System.out.println(f));
                System.out.println(String.format("\t%11s\t\t%10s\t\t %11s\t\t%10s","Qty On Hand", "Unit Price", "Cost To Warehouse", "Cost To Customer")); inventory.getDeliveries().forEach(d -> System.out.println(d));
                break;
            case DISPLAY_DELIVERIES:
                System.out.println(String.format("\t%11s\t\t%10s\t\t %11s\t\t%10s","Qty On Hand", "Unit Price", "Cost To Warehouse", "Cost To Customer")); inventory.getDeliveries().forEach(d -> System.out.println(d));
                break;
            case DISPLAY_WIDGETS_ON_HAND:
                System.out.println("Widgets on hand: " + inventory.getWidgetsOnHand());
                break;
            case QUIT:
                System.exit(0);
            default:
                System.out.println("Invalid menu option, try again");
                break;
            }
					menu();

        }
    }

		/*
	     * [Delivery]It has the user to enter numbers
     * [Delivery post-condition] It saves the numbers typed in.
     * It asks price and widgets shipped and allows user to enter numbers.
     */

public static Delivery createNewDelivery() {
        System.out.print("Enter quantity of widgets shipped: ");
        int quantity = input.nextInt();
        while (quantity <= 0) {
            System.out.println("Negative Number entered, enter positive number: ");
            quantity = input.nextInt();
        }
        System.out.print("Enter unit price: ");
        double unitPrice = input.nextDouble();
        while (unitPrice <= 0.0) {
            System.out.println("Negative Number entered, enter positive number: ");
            unitPrice = input.nextDouble();
        }
        input.nextLine();
        return new Delivery(quantity, unitPrice);
    }

		/*
	     * [Order]It has the user to enter numbers
     * [Order post-condition] It saves the numbers typed in.
     * It asks quantity of widgets and allows user to enter numbers.
     */

    public static Order createNewOrder() {
        System.out.print("Enter quantity of widgets to order: ");
        int quantity = input.nextInt();
				while (quantity <= 0) {
			System.out.println("Negative Number entered, enter positive number");
			quantity = input.nextInt();
		}
        input.nextLine();
        return new Order(quantity);
    }

}