import java.awt.*;

import com.genuts.gameui.*;

/**
 * Choose the direction of the robot
 */
public class DummyRobot extends SpriteWrapper {

  // Speed of the robot
  private final static int HSPEED = 3;
  private final static int VSPEED = 2;

  // Action sprites for left an right direction
  private RobotSprite robotRight;
  private RobotSprite robotLeft;

  public DummyRobot(RobotSprite robotRight, RobotSprite robotLeft) {
    super(robotRight);

    this.robotRight = robotRight;
    robotRight.setHorizontalSpeed(HSPEED);
    robotRight.setVerticalSpeed(VSPEED);

    this.robotLeft = robotLeft;
    robotLeft.setHorizontalSpeed(-HSPEED);
    robotLeft.setVerticalSpeed(VSPEED);
  }

  public int getVerticalSpeed() {
    return VSPEED;
  }

  public int getHorizontalSpeed() {
    return HSPEED;
  }

  /**
   * Changes direction of the robot
   */
  protected void changeDirection(RobotSprite fromSprite, RobotSprite toSprite) {
    PlayField parent = getParent();
    Sprite finalWrapper = getFinalWrapper();
    Point p = getPosition();
    toSprite.setCurrentPictureNumber(fromSprite.getCurrentPictureNumber());
    parent.removeSprite(finalWrapper);
    setActionSprite(toSprite);
    setPosition(p.x, p.y);
    toSprite.fly(fromSprite.isFlying());
    parent.addSprite(finalWrapper);
  }

  /**
   * Order to go the to left
   */
  public void goLeft() {
    if (getActionSprite() != robotLeft) {
      changeDirection(robotRight, robotLeft);
    }
    robotLeft.walk(true);
  }

  /**
   * Order to go the to right
   */
  public void goRight() {
    if (getActionSprite() != robotRight) {
      changeDirection(robotLeft, robotRight);
    }
    robotRight.walk(true);
  }

  /**
   * Order to stop walking
   */
  public void stopWalking() {
    ((RobotSprite) getActionSprite()).walk(false);
  }

  /**
   * Order to fly
   */
  public void flyUp() {
    ((RobotSprite) getActionSprite()).fly(true);
  }

  /**
   * Order to stop flying
   */
  public void stopFlying() {
    ((RobotSprite) getActionSprite()).fly(false);
  }

  /**
   * Transmit if the robot is flying
   */
  public boolean isFlying() {
    return ((RobotSprite) getActionSprite()).isFlying();
  }
}