package nl.tudelft.goal.ut2004.visualizer.gui.action;
   
   import java.awt.event.ActionEvent;
   import java.awt.event.ActionListener;
   
   import javax.swing.JSpinner;
   import javax.swing.event.ChangeEvent;
   import javax.swing.event.ChangeListener;
   
  import nl.tudelft.goal.ut2004.visualizer.controller.ServerController;
  
  import cz.cuni.amis.pogamut.ut2004.communication.messages.gbcommands.SetGameSpeed;
  import cz.cuni.amis.pogamut.ut2004.server.IUT2004Server;
  
  public class SetSpeedAction implements ActionListener, ChangeListener {
  
  	private final JSpinner speedSelection;
  
  	public SetSpeedAction(JSpinner speedSelection) {
  		this.speedSelection = speedSelection;
  	}
  
  	@Override
  	public void actionPerformed(ActionEvent e) {
  		setSpeed();
  	}
  
  	@Override
  	public void stateChanged(ChangeEvent arg0) {
  		setSpeed();
  	}
  
  	private void setSpeed() {
  		ServerController controller = ServerController.getInstance();
  		IUT2004Server server = controller.getServer();
  		assert server != null;
  
  		double speed = (Double) speedSelection.getValue();
  
  		// Limiting speed to 10. Documentation of indicates
  		// SetGameSpeed indicates this is reasonable.
  		speed = Math.max(0.1, Math.min(10, speed));
  
  		SetGameSpeed setSpeed = new SetGameSpeed(speed);
  		server.getAct().act(setSpeed);
  	}
  
  }