package jcgp.backend.modules.ea;

import java.util.HashMap;

import jcgp.JCGP.Resources;
import jcgp.backend.modules.ModuleStatus;
import jcgp.backend.modules.mutator.Mutator;
import jcgp.backend.parameters.IntegerParameter;
import jcgp.backend.parameters.Parameter;
import jcgp.backend.population.Chromosome;
import jcgp.backend.population.Population;

public class TournamentSelection implements EvolutionaryAlgorithm {
	
	private Chromosome fittestChromosome;
	
	private IntegerParameter tournament;
	private HashMap<String, Parameter> localParameters;
	
	public TournamentSelection() {		
		tournament = new IntegerParameter(1, "Tournament size");
		
		localParameters = new HashMap<String, Parameter>();
		localParameters.put("tournament", tournament);
	}

	@Override
	public HashMap<String, Parameter> getLocalParameters() {
		return localParameters;
	}

	@Override
	public void evolve(Population population, Mutator mutator,
			Resources parameters) {
		tournament.set(tournament.get() + 1);
		fittestChromosome = population.getChromosome(0);
		// TODO implement this

	}

	@Override
	public Chromosome getFittestChromosome() {
		return fittestChromosome;
	}
	
	@Override
	public String toString() {
		return "Tournament";
	}

	@Override
	public ModuleStatus getStatus(Resources resources) {
		return null;
	}
}