package cz.cuni.amis.pogamut.ut2004.communication.translator.shared.transition;
   
   import cz.cuni.amis.fsm.IFSMState;
   import cz.cuni.amis.fsm.IFSMTransition;
   import cz.cuni.amis.pogamut.base.communication.messages.InfoMessage;
   import cz.cuni.amis.pogamut.base.communication.translator.event.IWorldChangeEvent;
   import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.GameInfo;
   import cz.cuni.amis.pogamut.ut2004.communication.translator.TranslatorContext;
   import cz.cuni.amis.pogamut.ut2004.communication.translator.TranslatorMessages;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.UnexpectedMessageException;
  
  /**
   * Transition that is used in GameInfoExpectedState and ReadyState when the GameInfo message is received
   * to send the GameInfo event.
   * @author Jimmy
   */
  public class GameInfoTransition implements IFSMTransition<InfoMessage, TranslatorContext> {
  
  	@Override
  	public void init(TranslatorContext context) {
  	}
  
  	@Override
  	public void restart(TranslatorContext context) {
  	}
  
  	@Override
  	public void stepped(TranslatorContext context,
  			IFSMState<InfoMessage, TranslatorContext> fromState,
  			InfoMessage bySymbol,
  			IFSMState<InfoMessage, TranslatorContext> toState) {
  		if (!(bySymbol instanceof GameInfo)) throw new UnexpectedMessageException(TranslatorMessages.unexpectedMessage(this, bySymbol, GameInfo.class), context.getLogger(), this);
  		if (!(bySymbol instanceof IWorldChangeEvent)) throw new UnexpectedMessageException(TranslatorMessages.messageNotWorldEvent(this, bySymbol), context.getLogger(), this);
  		context.getEventQueue().pushEvent((GameInfo)bySymbol);		
  	}
  	
  	@Override
  	public String toString() {
  		return getClass().getSimpleName();
  	}
  
  }