/***********************************************************************/
// Play against the automatec tic-tac-toe player.  This let's you read 
//  in an arbitrary starting configuration for the board, so that you can 
//  experiment with configurations that allow you to force a win against 
//  the automated player.  It also allows you to test other basic 
//  functions out.  
/***********************************************************************/
import java.io.*;
class TTTDemo
{
    public static void main (String[] args)
    {
        String filename = null;     //name of maze data file
        String line;                //holds a line of input

        try
        {
            BufferedReader console =
                   new BufferedReader(new InputStreamReader(System.in));
    
            System.out.print("Enter name of Tic-Tac-Toe file: ");
            filename = console.readLine();
            System.out.print ("\n" + filename + "\n\n\n");
            TTT board = new TTT(filename);
            System.out.println(board);
            System.out.println ("\nEvaluation:  " + board.eval());
            System.out.print ("\nisDraw:  " + board.isDraw() + "\n\n\n");

            System.out.print ("Would you like to move first? (y/n) ");
            line = console.readLine();
            line = line.trim();
            
            int [] BestMove = new int [2];

            if (line.charAt(0) == 'y')
            { 
                while (board.eval() == 0 && ! board.isDraw())
                {
                    System.out.println(board);
    
                    int movei, movej;
                    System.out.print ("Enter row of move:  ");
                    line = console.readLine();
                    line = line.trim();
                    movei = Integer.parseInt (line);

                    System.out.print ("Enter column of move:  ");
                    line = console.readLine();
                    line = line.trim();
                    movej = Integer.parseInt (line);

                    board.setEntry(movei,movej,'W');

                    if (board.eval() == 0 && ! board.isDraw())
                    {
                        System.out.println (board.stateScore (false, BestMove));
                        board.setEntry(BestMove[0],BestMove[1],'B');
                        System.out.println (board.stateScore (true, BestMove));
                    }
                }
            }
            else
            {
                while (board.eval() == 0 && ! board.isDraw())
                {
                    board.stateScore (true, BestMove);
                    board.setEntry(BestMove[0],BestMove[1],'W');

                    if (board.eval() == 0 && ! board.isDraw())
                    {
                        System.out.println(board);
    
                        int movei, movej;
                        System.out.print ("Enter row of move:  ");
                        line = console.readLine();
                        line = line.trim();
                        movei = Integer.parseInt (line);

                        System.out.print ("Enter column of move:  ");
                        line = console.readLine();
                        line = line.trim();
                        movej = Integer.parseInt (line);

                        board.setEntry(movei,movej,'B');
                    }
                }
            }
            System.out.println(board);
            if (board.eval() == -1 )
                System.out.println("Black wins");
            else if (board.eval() == 1)
                System.out.println("White wins");
            else if (board.isDraw())
                System.out.println("It's a draw.");
        }
        catch (FileNotFoundException e)
        {
            System.out.print ("\n\n");
            System.out.println (e.getMessage());
            System.out.print ("\n\n");
            System.exit(0);
        }
        catch (IOException e)
        {
            System.out.print ("\n\n");
            System.out.println (e.getMessage());
            System.out.print ("\n\n");
            System.exit(0);
        }
    }
}