package nl.tudelft.goal.unreal.translators;
   
   import java.util.HashMap;
   import java.util.Map;
   
   import nl.tudelft.goal.EIS2Java.exception.TranslationException;
   import nl.tudelft.goal.EIS2Java.translation.Java2Parameter;
   import nl.tudelft.goal.EIS2Java.translation.Parameter2Java;
   import cz.cuni.amis.pogamut.unreal.communication.messages.UnrealId;
  import eis.iilang.Identifier;
  import eis.iilang.Parameter;
  
  public class UnrealIdTranslator implements Java2Parameter<UnrealId>, Parameter2Java<UnrealId> {
  
  	protected Map<Identifier, UnrealId> translated = new HashMap<Identifier, UnrealId>();
  
  	@Override
  	public Parameter[] translate(UnrealId o) throws TranslationException {
  
  		Identifier id;
  		
  		// UnrealId can be "None", but we want it to be "none".
  		if (o.getStringId().equalsIgnoreCase("none")) {
  			id = new Identifier("none");
  		} else {
  			id = new Identifier(o.getStringId());
  		}
  		
  		translated.put(id, o);
  		return new Parameter[] { id };
  	}
  
  	@Override
  	public Class<? extends UnrealId> translatesFrom() {
  		return UnrealId.class;
  	}
  
  	@Override
  	public UnrealId translate(Parameter parameter) throws TranslationException {
  		if (!translated.containsKey(parameter)) {
  			String message = String.format("The unrealId must be an id that has been translated before. Recieved %s",
  					parameter);
  			throw new TranslationException(message);
  		}
  
  		return translated.get(parameter);
  	}
  
  	@Override
  	public Class<UnrealId> translatesTo() {
  		return UnrealId.class;
  
  	}
  
  }