package cz.cuni.amis.pogamut.ut2004.communication.translator.observer.state;
   
   import cz.cuni.amis.fsm.FSMState;
   import cz.cuni.amis.fsm.FSMTransition;
   import cz.cuni.amis.fsm.IFSMState;
   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.Player;
   import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.PlayerListEnd;
  import cz.cuni.amis.pogamut.ut2004.communication.messages.gbinfomessages.PlayerListStart;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.TranslatorContext;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.observer.support.ObserverListState;
  import cz.cuni.amis.pogamut.ut2004.communication.translator.shared.events.PlayerListObtained;
  
  /**
   * Takes care of the player list. It stores them inside a List object and when END message comes it sends
   * them to the world view via PlayerListObtained event.
   * <p><p>
   * Last state of the handshake - we switch from this state to the ConfigureMessageExpectedState. 
   * 
   * @author Jimmy
   */
  @FSMState(map={@FSMTransition(
  					state=ObserverRunningState.class, 
  					symbol={PlayerListEnd.class}, 
  					transition={})}
  )
  public class PlayerListState extends ObserverListState<Player, TranslatorContext> {
  
  	public PlayerListState() {
  		super(PlayerListStart.class, Player.class, PlayerListEnd.class);
  	}
  	
  	@Override
  	public void stateLeaving(TranslatorContext context,
  			IFSMState<InfoMessage, TranslatorContext> toState, InfoMessage symbol) {
  		long simTime = 
  			(symbol instanceof IWorldChangeEvent ? ((IWorldChangeEvent)symbol).getSimTime() : 0);
  		context.getEventQueue().pushEvent(new PlayerListObtained(getList(), simTime));
  		newList();
  	}
  	
  	@Override
  	protected void innerStateSymbol(TranslatorContext context,
  			InfoMessage symbol) {
  		super.innerStateSymbol(context, symbol);
  		if (symbol instanceof Player) {
  			context.getEventQueue().pushEvent((Player)symbol);
  		}
  	}
  
  }