using System;

public class Program

{

    static string PlayerName1;

    static string PlayerName2;

    static string WhoScored;

    static int Player1PointsScored;

    static int Player2PointsScored;

    static string[] ScoreDisplay = new[] {"Love", "15", "30", "40", "Game"};

    public static void Main()

    {

        GetPlayerNames();

        SetScoresToZero(); 

        while(GameIsNotOver() == false) 

        {

            GetNextScore();

            PrintCurrentScores(); 

        }

    }

    public static void SetScoresToZero()

    {

        Player1PointsScored = 0;

        Player2PointsScored = 0;

    }

    public static void PrintCurrentScores()

    {

        Console.WriteLine("Current scores are " + Player1PointsScored + " : " + Player2PointsScored);

    }

    public static void AdvantageRuling()

    {

        Console.WriteLine("Game is at Deuce! You need to win by two to take the game.");

    }

    public static bool GameIsNotOver()

    {

        if (Player1PointsScored != 50 && Player2PointsScored != 50) //Needs to change once advantage logic in place

        {

        return false;

        }

        else 

        {

            Console.WriteLine("Congratulations! You've won the game!");

            return true;

        }

    }

    public static void GetNextScore()

    {

        Console.WriteLine();

        Console.WriteLine("Who scored? Enter A for " + PlayerName1 + " or B for " + PlayerName2);

        WhoScored = Console.ReadLine();

        if (WhoScored == "A" && (Player1PointsScored == 0 || Player1PointsScored == 15))

        {

            Player1PointsScored = Player1PointsScored + 15;  

        }

        else if (WhoScored == "A" && Player1PointsScored == 30)

        {

            Player1PointsScored = Player1PointsScored + 10;

        }

        else if (WhoScored == "B" && (Player2PointsScored == 0 || Player2PointsScored == 15))

        {

            Player2PointsScored = Player2PointsScored + 15;

        }

        else if (WhoScored == "B" && Player2PointsScored == 30)

        {

            Player2PointsScored = Player2PointsScored + 10;

        }

        else if (Player1PointsScored == 40 && Player2PointsScored == 40)

        {

            Player1PointsScored.ToString("Deuce");

            Player2PointsScored.ToString("Deuce");

            Console.WriteLine(Player1PointsScored + " : " + Player2PointsScored);

            //New advantage method needs creating

        }

        else 

        {

            Console.WriteLine();

            Console.WriteLine("Invalid input - try again you fool 'A' or 'B'!");

            Console.WriteLine();

        }

    }

    public static void GetPlayerNames()

    {

        Console.WriteLine("Player name 1:");

        PlayerName1 = Console.ReadLine();

        Console.WriteLine("Player name 2");

        PlayerName2 = Console.ReadLine();

        if (PlayerName1 == "Tom")

        {

            Console.WriteLine();

            Console.WriteLine("Glad to see you playing Master Tom.");

        }

    }

}