using System;

namespace TicTacToe
{
    class TicTacToeGame : TicTacToe_base
    {
        private bool playerTurn = true; // true for player, false for AI

        public override void Run()
        {
            Console.WriteLine("Welcome to Tic Tac Toe!");

            while (true)
            {
                DrawBoard();

                int pos;

                if (playerTurn)
                {
                    Console.Write("Enter position (1-9): ");
                    pos = Convert.ToInt32(Console.ReadLine());
                }
                else
                {
                    pos = FindNextPosByAI();
                }

                if (!AddInputToBoard(pos, playerTurn ? "X" : "O"))
                {
                    Console.WriteLine("Invalid input, try again!");
                    continue;
                }

                if (CheckWin(playerTurn ? "X" : "O"))
                {
                    DrawBoard();
                    Console.WriteLine((playerTurn ? "Player" : "Computer") + " wins!");
                    break;
                }

                if (board.Count == 9)
                {
                    DrawBoard();
                    Console.WriteLine("Tie game!");
                    break;
                }

                playerTurn = !playerTurn;
            }

            Console.WriteLine("Thanks for playing!");
        }

        protected override bool CheckWin(string user)
        {
            foreach (int[] winList in WinLists)
            {
                if (board.ContainsKey(winList[0]) &&
                    board[winList[0]] == user &&
                    board.ContainsKey(winList[1]) &&
                    board[winList[1]] == user &&
                    board.ContainsKey(winList[2]) &&
                    board[winList[2]] == user)
                {
                    return true;
                }
            }

            return false;
        }
    }
}