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package jadex.bdi.runtime.impl;

import jadex.bdi.model.MElement;
import jadex.bdi.runtime.IBDIAgentFeature;
import jadex.bdi.runtime.IBeliefListener;
import jadex.bdi.runtime.ICapability;
import jadex.core.IComponent;
import jadex.execution.IExecutionFeature;

/**
 *  Wrapper providing BDI methods to the user.
 */
public class CapabilityPojoWrapper implements ICapability
{
	//-------- attributes --------
	
	/** The pojo capability object. */
	protected Object	pojo;
	
	/** The fully qualified capability name (or null for agent). */
	protected String	capa;
	
	//-------- constructors --------
	
	/**
	 *  Create a capability wrapper.
	 */
	public CapabilityPojoWrapper(Object pojo, String capa)
	{
		this.pojo	= pojo;
		this.capa	= capa;
	}
	
	//-------- ICapability interface --------
	
	/**
	 *  Add a belief listener.
	 *  @param name The belief name.
	 *  @param listener The belief listener.
	 */
	public  void addBeliefListener(String name, final IBeliefListener listener)
	{
		name = capa!=null ? capa+MElement.CAPABILITY_SEPARATOR+name: name;
		IBDIAgentFeature bdif = IInternalBDIAgentFeature.get();
		bdif.addBeliefListener(name, listener);
	}
	
	/**
	 *  Remove a belief listener.
	 *  @param name The belief name.
	 *  @param listener The belief listener.
	 */
	public  void removeBeliefListener(String name, IBeliefListener listener)
	{
		name = capa!=null ? capa+MElement.CAPABILITY_SEPARATOR+name: name;
		IBDIAgentFeature bdif = IInternalBDIAgentFeature.get();
		bdif.removeBeliefListener(capa!=null ? capa+MElement.CAPABILITY_SEPARATOR+name : name, listener);
	}

	/**
	 *  Get the agent.
	 *  
	 *  Overridden to save the capability context within the used internal access.
	 */
	public IComponent	getAgent()
	{
		return IExecutionFeature.get().getComponent();
//		return (IComponent)ProxyFactory.newProxyInstance(agent.getClassLoader(), new Class[]{IComponent.class}, new InvocationHandler()
//		{
//			@Override
//			public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
//			{
////				System.out.println(method.getName()+" "+method.getReturnType()+" "+Arrays.toString(args));
//				
//				if("getFeature".equals(method.getName()))
//				{
//					Class type = (Class)args[0];
//					if(type.equals(IRequiredServicesFeature.class))
//					{
//						return new RequiredServicesFeatureAdapter((IRequiredServicesFeature)agent.getFeature(type))
//						{
//							public String rename(String name)
//							{
//								return capa!=null? capa+MElement.CAPABILITY_SEPARATOR+name: name;
//							}
//						};
//					}
//					else
//					{
//						return agent.getFeature(type);
//					}
//				}
//				else
//				{
//					return method.invoke(agent, args);
//				}
//			}
//		});
	}
	
//	/**
//	 *  Get the service container of the capability.
//	 */
//	public IServiceContainer	getServiceContainer()
//	{
//		return new ServiceContainerProxy(getInterpreter(), capa);
//	}

	/**
	 *  Get the pojo capability object.
	 */
	public Object	getPojoCapability()
	{
		if(pojo==null)
		{
			throw new UnsupportedOperationException("No pojo capability for XML agents.");
		}
		return pojo;
	}

//	/**
//	 *  Get the goals.
//	 *  @return The goals.
//	 */
//	public Collection getGoals()
//	{
//		return (Collection)getInterpreter().getCapability().getGoals();
//	}
	
//	/**
//	 *  Get the interpreter.
//	 */
//	protected BDIAgentInterpreter getInterpreter()
//	{
//		return (BDIAgentInterpreter)agent.getInterpreter();
//	}
}