/**
 * Interface to the ghost brain, which makes decisions about the ghost's
 * personality and movement.
 */
public interface GhostBrain
{
  public enum Color
  {
    BLACK(new java.awt.Color(10, 10, 10)),
    RED(new java.awt.Color(175, 35, 90)),
    BLUE(new java.awt.Color(75, 100, 135)),
    GREEN(new java.awt.Color(55, 155, 65)),
    ORANGE(new java.awt.Color(185, 85, 20)),
    PURPLE(new java.awt.Color(135, 40, 175)),
    GOLD(new java.awt.Color(210, 190, 35));
    
    private java.awt.Color color;
    
    private Color(java.awt.Color color)
    {
      this.color = color;
    }
    
    public java.awt.Color getColor()
    {
      return this.color;
    }
  }
  
  /**
   * Get the desired color of the ghost
   * @return Value of enumerated type GhostBrain.Color
   */
  public Color getColor();
  
  /**
   * Determine the next move for this ghost
   * @param currentX Current grid location of ghost, X-coordinate
   * @param currentY Current grid location of ghost, Y-coordinate
   * @param direction Current facing direction of ghost
   * @param world Map of the world
   * @param toWedge Map of ideal moves to reach Wedge Dude
   * @param wedgeX Wedge Dude current grid location, X-coordinate
   * @param wedgeY Wedge Dude current grid location, Y-coordinate
   * @return Move direction ghost where to go
   */
  public Move nextMove(int currentX, int currentY, Direction direction,
    Space[][] world, Move[][] toWedge, int wedgeX, int wedgeY);
}