import java.util.*;
import java.text.*;

class PhoneBook {

    Scanner reader;

    public static void main(String args[])
    {
        PhoneBook pb = new PhoneBook(); // Creates a phonebook object, which then does everything.
    }

    public PhoneBook()
    {
        String name;
        ArrayList aryList = new ArrayList(); //creates an array list
        do //begins loop for array entry
        {
            reader = new Scanner(System.in);

            name = getValidName();

            if(!name.equalsIgnoreCase("EXIT")) //Adds condition to Exit loop
            {
                nameNumber info = new nameNumber(name, getValidNumber(true));
                aryList.add(info); //ands nameNumber obj into arraylist
            }
        }while(!name.equalsIgnoreCase("EXIT")); //ends array input

        System.out.println("");
        System.out.println("How would you wish to have this list sorted?"); //prepares switch statement
        System.out.println("  1. Ordered by Name");//1 to order the arraylist by name
        System.out.println("  2. Ordered by Number");//2 to order the arraylist by phone number
        System.out.println("  3. No Change");//returns arraylist

        long selection= getValidNumber(false);

        switch((int)selection)//inputs user's selection into switch statment
        {
        case 1://order the arraylist by name
            System.out.println("test");
            break;
        case 2://order the arraylist by number
            System.out.println("test");
            break;
        case 3://returns an unsorted arraylist
            System.out.print(aryList);
            break;
        default:
            System.out.println("Choose 1, 2, or 3 only");//not needed, but just in case
            break;
        }
    }

    public String getValidName()
    {
        String name;
        System.out.print("Please enter the name to whom the Phone Number belongs (\"Exit\" to abort): ");
        name = reader.nextLine();

        return name;
    } // Call this to get a name. "valid" is a relative term here.

    public long getValidNumber(boolean phone)
    {
        long n = 0;
        String input;
        boolean valid = false;

        while (!valid)
        {
            if (phone)
                askNumber();
            else
                askChoice();
            input = reader.nextLine();
            try
            {
                n = Long.parseLong(input);
                valid = true;
            }
            catch (NumberFormatException e)
            {
                System.out.println("Please enter a valid number!");
                valid = false;
                n = 0;
            }
        }

        return n;
    } // Call this to get a valid number, true for Phone numbers, false for selection

    public void askNumber()
    {
        System.out.print("Please enter the phone number of the individual: ");
    }

    public void askChoice()
    {
        System.out.print("Please Enter a valid number selection (1-3): ");
    }

    class nameNumber {

    public nameNumber(String na, long nu)//constructor
    {
        this.na = na;
        this.nu = nu;
    }
        private String na;
        private long nu;

        public String toString()
        {
            return "[" + na + " , " + nu + "]";
        }
    }
}