TicTacToe

using System;
using System.Collections.Generic;
using System.Threading;
using System.Globalization;

namespace TicTacToev2
{
    class TicTacToev2
    {
        static List<char> board = new List<char>() { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
        static List<string> players = new List<string>() { "нулев", "първи", "втори" };
        static int player = 1;
        static int userInput;
        static string winGame = String.Empty;

        private static string GameWinCheck()
        {
            if (board[1] == board[2] && board[2] == board[3])
            {
                return "win";
            }
            else if (board[4] == board[5] && board[5] == board[6])
            {
                return "win";
            }
            else if (board[7] == board[8] && board[8] == board[9])
            {
                return "win";
            }
            else if (board[1] == board[4] && board[4] == board[7])
            {
                return "win";
            }
            else if (board[2] == board[5] && board[5] == board[8])
            {
                return "win";
            }
            else if (board[3] == board[6] && board[6] == board[9])
            {
                return "win";
            }
            else if (board[1] == board[5] && board[5] == board[9])
            {
                return "win";
            }
            else if (board[3] == board[5] && board[5] == board[7])
            {
                return "win";
            }
            else if (board[1] != '1' && board[2] != '2' && board[3] != '3' && board[4] != '4' && board[5] != '5'
               && board[6] != '6' && board[7] != '7' && board[8] != '8' && board[9] != '9')
            {
                return "draw";
            }
            else
            {
                return String.Empty;
            }
        }

        private static void GameBoard()
        {
            ConsoleColor oldColor = Console.ForegroundColor;
            Console.ForegroundColor = ConsoleColor.Yellow;

            Console.WriteLine();
            Console.WriteLine("\t      |     |      ");
            Console.WriteLine("\t   {0}  |  {1}  |  {2}", board[1], board[2], board[3]);
            Console.WriteLine("\t _____|_____|_____ ");
            Console.WriteLine("\t      |     |      ");
            Console.WriteLine("\t   {0}  |  {1}  |  {2}", board[4], board[5], board[6]);
            Console.WriteLine("\t _____|_____|_____ ");
            Console.WriteLine("\t      |     |      ");
            Console.WriteLine("\t   {0}  |  {1}  |  {2}", board[7], board[8], board[9]);
            Console.WriteLine("\t      |     |      ");

            Console.ForegroundColor = oldColor;
        }

        static void Main(string[] args)
        {
            CultureInfo bg = new CultureInfo("bg-BG");
            Thread.CurrentThread.CurrentCulture = bg;

            do
            {
                ConsoleColor oldColor = Console.ForegroundColor;
                Console.ForegroundColor = ConsoleColor.Magenta;
                Console.Clear();             
                Console.WriteLine("      Първи играч маркира с 'Х' \n      Втори играч маркира с 'О'");
                Console.WriteLine();

                if (player == 1)
                {
                    Console.WriteLine("\tНа ред е първи играч:");
                    Console.Beep();
                }
                else if (player == 2)
                {
                    Console.WriteLine("\tНа ред е втори играч:");
                    Console.Beep();
                }
                Console.WriteLine();
                GameBoard();
                Console.WriteLine();
                Console.WriteLine("Направете избор от свободните полета:");
                Console.Write("\t\t");

                try
                {
                    userInput = int.Parse(Console.ReadLine());
                   
                    if (board[userInput] != 'X' && board[userInput] != 'O')
                    {
                        if (player == 1)
                        {
                            board[userInput] = 'X';
                            player = 2;
                        }
                        else if (player == 2)
                        {
                            board[userInput] = 'O';
                            player = 1;
                        }
                    }
                    else
                    {
                        Console.WriteLine("Избраното от вас поле вече е маркирано");
                        Console.WriteLine("Моля изберете ново свободно поле");
                        Thread.Sleep(3000);
                    }
                }
                catch (Exception)
                {
                    Console.WriteLine("Избраното от вас число не е част от играта");
                    Console.WriteLine("Моля изберете ново число от 1 до 9");
                    Thread.Sleep(3000);
                }
                
                Console.ForegroundColor = oldColor;
                winGame = GameWinCheck();
            } while (winGame != "win" && winGame != "draw");

            Console.Clear();
            GameBoard();
            ConsoleColor oldColor_2 = Console.ForegroundColor;
            Console.ForegroundColor = ConsoleColor.Magenta;
            Console.WriteLine("    \tGAME OVER!!!");

            if (winGame == "win")
            {
                Console.WriteLine("Победител е {0} играч, Честито!!!", players[player % 2 + 1]);
                Console.Beep();
            }
            else if (winGame == "draw")
            {
                Console.WriteLine("\tИграта е равна!!!");
                Console.Beep();
            }
            Console.ForegroundColor = oldColor_2;
        }
    }
}