/**
 * TicTacToe2 
 * is a 2D implementation of the game Tic-Tac-Toe
 * (Some know this as Naughts and Crosses).
 * It can be more than just 3 by 3 in size.
 * 
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */

public class TicTacToe2
{
    // instance variables 
    private String[][] grid;
    private String player;
    private int size;

    /**
     * Constructor for objects of class TicTacToe
     * initializes the fields and places a Space in 
     * each element of grid of the specified size, 
     * and a "X"
     */
    public TicTacToe2(int size)
    {
       // your code here
      
    }
    /**
     * changePlayer will switch player back and forth between "X" and "O"
     */
    public void changePlayer()
    {
       // your code here
       
    }
    /**
     * If there is a space in the grid location (row,col),
     * will put the players mark in the grid and 
     * change the player (don't duplicate code).
     */
    public void mark(int row, int col)
    {
        // your code here
        
    }
    /**
     * returns the mark of the current player
     */
    public String getPlayer()
    {
        // your code here
      
    }
    /**
     * returns the number of spaces (moves) 
     * remaining in the grid.
     */
    public int movesRemaining()
    {
        // your code here
       
    }
    /**
     * winner returns:
     *    "TBD" if the winner is yet to be determined
     *    "X won" or "O won" if a player has SIZE in a row
     *    "Cat's game" is there is no moves left and no one won.
     */
    public String winner()
    {
                
        // first: 
        // your code here to look for size in a row
        
        // your code here to look for size in a column
        
        // your code here to look for size in a diagonal top left to bottom right
        
        // your code here to look for size in a diagonal top right to bottom left
        
        //finally, if no winner found...
        if (movesRemaining() > 0)
            return "TBD"; 
        return "Cats game";       
    }
    
    public String toString()
    {
        String result = "";
        
        for(int r = 0 ; r < grid.length; r++)
        {
            int cols = grid[r].length;
            for(int c = 0; c < cols; c++)
            {
                result += " " + grid[r][c];
                if (c < cols-1)
                    result += " |";
            }
            if (r < cols-1)
            {
              result+="\n----";
              for (int i = 0; i < grid[r].length-1; i ++)
                result +="----";
            }
            result +="\n";
        }
        return result;
    }
    public void print()
    {
        System.out.println( "\n"+this );
        System.out.println( movesRemaining() + " moves remaining.");
    }
    public static void main(String[] args)
    {
        TicTacToe2 board = new TicTacToe2(3); // try changing 3 to make a 4x4 game
        board.print();        
        
    }
}