import java.util.*;
import javax.swing.*;

public class Main {

    public static void main(String[] args)
    {
        new Main();
    }

    public Main()
    {
        System.out.println("*** German in Your Pocket navigation Prototype ***");
        if (menu())
        	main();
        else
        	new Main();
    }

    public boolean menu()
    {
        int choice;
        String name;
        Scanner sc = new Scanner(System.in);
        System.out.println("\nFirst/Log In Screen:\n");
        System.out.println("1: Sign up\n2: Log in");
        try
        {
            choice = sc.nextInt();
            switch(choice)
            {
                case 1:
                	System.out.println("The user will be taken to a webpage to register");
                    return false;

                case 2:
                    System.out.println("Enter in your username: ");
                    System.out.println("Enter in your password: ");
                    System.out.println("If these are correct, the user will be granted " +
                    		"access to the main screen:");
                    return true;
            }

        }catch(Exception e)
        {
            System.out.println(e);
            System.exit(1);
        }

        return false;
    }

    public void main()
    {
    	int choice;
        Scanner sc = new Scanner(System.in);
    	System.out.println("Welcome to German in Your Pocket!");
    	System.out.println("Main Menu: ");
    	System.out.println("1: Beginner Learning ");
    	System.out.println("2: Medium Learning ");
    	System.out.println("3: Advanced Learning ");
    	System.out.println("4: Fun stuff!");
    	System.out.println("5: Log Out");

    	try{
    		choice = sc.nextInt();
    		switch(choice)
    		{
    			case 1:
    				beginnerLearning();
    				break;
    			case 2:
    				mediumLearning();
    				break;
    			case 3:
    				advancedLearning();
    				break;
    			case 4:
    				funStuff();
    				break;
    			case 5:
    				System.exit(0);
    				break;
    		}


    	   }catch(Exception e)
    	   {
               System.out.println(e);
               System.exit(1);
    	   }
    }



    public void beginnerLearning()
    {
    	int choice;
    	String x;
        Scanner sc = new Scanner(System.in);
    	System.out.println("You have chosen beginner learning!");
    	System.out.println("Menu:");
    	System.out.println("1: Welcome (greetings)");
    	System.out.println("2: A,B,C (alphabet)");
    	System.out.println("3: 1,2,3 (numbers)");
    	System.out.println("4: What time is it? (time)");
    	System.out.println("5: What day is it? (days and months)");
    	System.out.println("6: Summer, winter(seasons)");
    	System.out.println("7: I, you, he, she (personal pronouns)");
    	System.out.println("8: Walking and talking (common verbs) ");
    	System.out.println("9: Return to Main Menu");

    	try{
    		choice = sc.nextInt();
    		switch(choice)
    		{
    			case 1:
    				System.out.println("Welcome (greetings)");
    				beginnerLearning();
    				break;
    			case 2:
    				System.out.println("A,B,C (alphabet)");
    				beginnerLearning();
    				break;
    			case 3:
    				System.out.println("1,2,3 (numbers))");
    				beginnerLearning();
    				break;
    			case 4:
    				System.out.println("What time is it? (time)");
    				beginnerLearning();
    				break;
    			case 5:
    				System.out.println("What day is it? (days and months)");
    				beginnerLearning();
    				break;
    			case 6:
    				System.out.println("Summer, winter(seasons)");
    				beginnerLearning();
    				break;
    			case 7:
    				System.out.println("I, you, he, she (personal pronouns)");
    				beginnerLearning();
    				break;
    			case 8:
    				System.out.println("Walking and talking (common verbs)");
    				beginnerLearning();
    				break;
    			case 9:
    				main();
    				break;
    		}


    	   }catch(Exception e)
    	   {
               System.out.println(e);
               System.exit(1);
    	   }

    }


    /** to be done by mark **/

    public void mediumLearning()
    {
    }

    public void advancedLearning()
    {
    }

    public void funStuff()
    {
    }


}