package agents;

import java.util.List;

import genius.core.Bid;
import genius.core.actions.Accept;
import genius.core.actions.Action;
import genius.core.actions.Offer;
import genius.core.parties.AbstractNegotiationParty;
import genius.core.uncertainty.AdditiveUtilitySpaceFactory;
import genius.core.utility.AbstractUtilitySpace;

public class UncertaintyAgentExample extends AbstractNegotiationParty 
{

	@Override
	public Action chooseAction(List<Class<? extends Action>> possibleActions) 
	{
		
		// Sample code that accepts offers that appear in the top 10% of offers in the user model
		if (getLastReceivedAction() instanceof Offer) 
		{
			Bid receivedBid = ((Offer) getLastReceivedAction()).getBid();
			List<Bid> bidOrder = userModel.getBidRanking().getBidOrder();
			
			// If the rank of the received bid is known
			if (bidOrder.contains(receivedBid))		
			{
				double percentile = (bidOrder.size() - bidOrder.indexOf(receivedBid)) / (double) bidOrder.size();
				if (percentile < 0.1)
					return new Accept(getPartyId(), receivedBid);
			}
		}
		
		// Otherwise, return a random offer
		return new Offer(getPartyId(), generateRandomBid());
	}
	
	private void log(String s)
	{
		System.out.println(s);
	}
	
	/**
	 * With this method, you can override the default estimate of the utility space given uncertain preferences specified by the user model.
	 * This example sets every value to zero.
	 */
	@Override
	public AbstractUtilitySpace estimateUtilitySpace() 
	{
		return new AdditiveUtilitySpaceFactory(getDomain()).getUtilitySpace();
	}
	

	@Override
	public String getDescription() 
	{
		return "Example agent that can deal with uncertain preferences";
	}
	
}