package cz.cuni.amis.pogamut.ut2004.communication.translator.bot.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.Item;
   import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.ItemListEnd;
   import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.ItemListStart;
  import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.NavPoint;
  import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.NavPointListEnd;
  import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.NavPointListStart;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.TranslatorContext;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.shared.events.MapPointListObtained;
  
  public class HandshakeEndTransition 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) {
  		
  		long simTime = (bySymbol instanceof IWorldChangeEvent ? ((IWorldChangeEvent)bySymbol).getSimTime() : 0);
  		
  		// PROCESS NAVIGATION GRAPHS
  		context.processNavPointLinks();
  		// PROCESS NAVPOINT<->ITEM BINDING
  		context.processNavPointsAndItems();
  		
  		// EXPORT NAVIGATION GRAPH
  		if (context.getNavPoints() != null) {
  			context.getEventQueue().pushEvent(new NavPointListStart());
  			for (NavPoint np : context.getNavPoints().values()) {
  				context.getEventQueue().pushEvent(np);
  			}
  			context.getEventQueue().pushEvent(new NavPointListEnd());
  		}
  		
  		// EXPORT ITEMS
  		if (context.getItems() != null) {
  			context.getEventQueue().pushEvent(new ItemListStart());
  			for (Item item : context.getItems().values()) {
  				context.getEventQueue().pushEvent(item);
  			}
  			context.getEventQueue().pushEvent(new ItemListEnd());
  		}
  		
  		// EXPORT GENERAL EVENT
  		context.getEventQueue().pushEvent(new MapPointListObtained(context.getNavPoints(), context.getItems(), simTime));
  	}
  	
  	@Override
  	public String toString() {
  		return getClass().getSimpleName();
  	}
  
  }