/**
 *  Implements a human player in a board game
 */

import java.awt.*;
import java.awt.event.*;

public class HumanPlayer
    implements Player, MouseListener
{
  private BoardGameApplet applet;
  private ChompGame game;
  private ChompBoard board;

  private boolean myTurn;

  public HumanPlayer(BoardGameApplet applet, ChompGame game, ChompBoard board)
  {
    this.applet = applet;
    this.game = game;
    this.board = board;
    board.addMouseListener(this);
  }

  /**
   *   Returns a prompt to be displayed before
   *   the next move of this player
   */
  public String getPrompt()
  {
    return " Your turn...";
  }

  /**
   *   Returns a message to be displayed when
   *   this player has won
   */
  public String getWinMessage()
  {
    return " Congratulations, you won!";
  }

  /**
   *   Called to initiate this player's next move
   */
  public void makeMove()
  {
      myTurn = true;
  }

  /**
   *   Called automatically when the mouse button is released
   */
  public void mouseReleased(MouseEvent e)
  {
    if (!myTurn)
      return;

    // myBoard "knows" how to translate raw pixel coordinates x, y
    //   into row, col on the board:

    Position pos = board.getPos(e.getX(), e.getY());
    int row = pos.getRow();
    int col = pos.getCol();

    if (!game.isEmpty(row, col))
    {
      game.makeMove(row, col);
      applet.hasMoved();
      myTurn = false;
    }
  }

  // Not used but required by the MouseListener interface spec:
  public void mouseClicked(MouseEvent e) {}
  public void mousePressed(MouseEvent e) {}
  public void mouseEntered(MouseEvent e) {}
  public void mouseExited(MouseEvent e) {}
}