package cz.cuni.amis.pogamut.ut2004.communication.translator.bot;
   
   import java.util.logging.Logger;
   
   import com.google.inject.Inject;
   
   import cz.cuni.amis.fsm.FSM;
   import cz.cuni.amis.pogamut.base.communication.messages.InfoMessage;
   import cz.cuni.amis.pogamut.base.communication.translator.IWorldMessageTranslator;
  import cz.cuni.amis.pogamut.base.communication.translator.event.IWorldChangeEvent;
  import cz.cuni.amis.pogamut.base.communication.translator.exception.TranslatorException;
  import cz.cuni.amis.pogamut.base.utils.logging.IAgentLogger;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.IWorldEventQueue;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.TranslatorContext;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.IWorldEventQueue.Queue;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.bot.state.HelloBotExpectedState;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.itemdescriptor.ItemTranslator;
  
  /**
   * BotFSM is wrapper for the FSM instance that uses states from cz.cuni.amis.pogamut.ut2004.communication.translator.bot package.
   * 
   * @author Jimmy
   */
  public class BotFSM implements IWorldMessageTranslator {
  	
  	private IWorldEventQueue eventQueue = new IWorldEventQueue.Queue();
  	
  	private TranslatorContext context = null;
  	
  	private FSM<InfoMessage, TranslatorContext> fsm = null;
  
  	private Logger log;
  	
  	@Inject
  	public BotFSM(ItemTranslator translator, IAgentLogger logger) {
  		this.log = logger.getCategory(getClass().getSimpleName());
  		context = new TranslatorContext(eventQueue, translator, log);
  		fsm = new FSM<InfoMessage, TranslatorContext>(context, HelloBotExpectedState.class, log);
  	}
  
  	@Override
  	public IWorldChangeEvent[] processMessage(InfoMessage message) throws TranslatorException {
  		fsm.push(context, message);
  		return eventQueue.popEvents();
  	}
  
  	@Override
  	public void reset() {
  		context.reset();
  		this.fsm.restart(context);
  	}
  	
  	public String toString() {
  		return "BotFSM";
  	}
  
  }