exception.java

import java.io.IOException;
import java.util.Scanner;

/**
 * Cafe
 */
public class Cafe {
    static String inventoryFilePath = "C:/Users/AbdulQudduus/Desktop/Projects/Tayo Codeplus/Java/CoffeeCafe/inventory.txt";
    static int menuChoice;
    static int transChoice;

    static String validateMenu() {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Choice: ___ ");
        try {
            menuChoice = scanner.nextInt();
        } catch (Exception e) {
            System.out.println("Please enter a valid input, between 1 and 6");
            validateMenu();
        } finally {
            if (menuChoice < 1 || menuChoice > 6) {
                System.out.println("Please enter a valid input, between 1 and 6");
                validateMenu();
            } 
        }
        
        
        scanner.close();
        return "";                       
    }

    static String validateTransactionType() {
        
        Scanner scanner = new Scanner(System.in);
        System.out.print("Please enter transaction type [1 -- Cash   2 -- Card]: __");
        try {        
            transChoice = scanner.nextInt();                    
        } catch (Exception e) {
            e.notify();
            System.out.println("Please enter a valid input, between 1 and 2");
            validateTransactionType();
        } finally {
            if (transChoice < 1 || transChoice > 2) {
                System.out.println("Please enter a valid input, between 1 and 2");
                validateTransactionType();
            } 
        }

        
        scanner.close();
        return "";
    }

    public static void main(String[] args) throws IOException {
        Menu menu = new Menu(inventoryFilePath);

        System.out.println("\tMENU\n********************");
        int i = 1;
        for (MenuItem item : menu.getMenu()) {
            System.out.println(i + ". " + item.getItemName() + "\t\t" + item.getItemPrice() + "0"); 
            i++;
        }
        System.out.println(i + ". " + "Exit"); 
        
        validateMenu();
        
        validateTransactionType();
               
        
        // if (transChoice == 1) {
        //     double amtPaid;
        //     while (true) {                
        //         System.out.print("Please enter amount tendered: __");
        //         try {
        //             amtPaid = scanner.nextDouble();
        //             if (amtPaid < menu.getMenu()[menuChoice - 1].getItemPrice()) {
        //                 System.out.println("Please tender a sufficient amount to cover your bill");
        //                 continue;
        //             } else {
        //                 break;
        //             }
        //         } catch (Exception e) {
        //             System.out.println("Please enter digits as input");
        //         }
        //         scanner.close();
            
        //     }
        //     System.out.println("Here's your " + menu.getMenu()[menuChoice - 1].getItemName() + " and a change of " + (amtPaid - (menu.getMenu()[menuChoice - 1].getItemPrice())));
        // }

    }
}