import Individual;
import java.awt.*;

public class BooleanIndividual extends Individual
{
	protected boolean chromosome[];
	protected static int LENGTH=20;
	public BooleanIndividual(boolean[] boolArray)
	{
		super();
		chromosome=boolArray;
	}
	public BooleanIndividual()
	{
		this(getRandomChromosome());
	}
	public BooleanIndividual(BooleanIndividual i)
	{
		this(i.getChromosome());
	}
	public boolean[] getChromosome()
	{
		return chromosome;
	}
	
	//function for character representation
	public String toString()
	{
		String ret="";
		for (int i=0;i<chromosome.length;i++)
			ret+=chromosome[i] ? "T" : "F";
		return ret;
	}
	//functions for renderable support
	public Dimension getDimensions()
	{
		return new Dimension(chromosome.length*40+40, 80);
	}
	public void render(Graphics g)
	{
		Dimension d=getDimensions();
		g.setColor(Color.white);
		g.fillRect(0,0,d.width,d.height);
		int x, y;
		for (int i=0; i<chromosome.length; i++)
		{
			x=20+i*40;
			y=20;
			g.setColor(Color.black);
			g.drawRect(x,y,40,40);
			g.setColor(chromosome[i] ? Color.green : Color.red);
			g.fillRect(x+1,y+1,39,39);
			g.setColor(Color.black);
			g.drawRect(x+2,y+2,36,36);
		}
	}
	//end functions for renderable support

	public int getFitness()
	{
		int health=0;
		for (int i=0; i<chromosome.length;i++)
			if (chromosome[i]) health++;
		return health*health;
	}
	public int getMaxFitness()
	{
		return LENGTH*LENGTH;
	}
	public Individual getRandomIndividual()
	{
		return new BooleanIndividual(getRandomChromosome());
	}
	private static boolean[] getRandomChromosome()
	{
		boolean chromo[]=new boolean[LENGTH];
		for (int i=0;i<chromo.length;i++)
		{
			chromo[i] = (Math.random()>=0.5);
		}
		return chromo;
	}
	public Individual[] getOffspringWith(Individual mom)
	{
		boolean dadsDNA[]=this.getChromosome();
		boolean momsDNA[]=((BooleanIndividual)mom).getChromosome();
		int len=dadsDNA.length;
		if (len>momsDNA.length) len=momsDNA.length;
		boolean temp;
		for (int i=AIMath.getRandomInt(len);i<len;i++)
		{
			temp=dadsDNA[i];
			dadsDNA[i]=momsDNA[i];
			momsDNA[i]=temp;
		}
		Individual ret[]=new Individual[2];
		ret[0]=new BooleanIndividual(dadsDNA);
		ret[1]=new BooleanIndividual(momsDNA);
		return ret;
	}
	public Individual getMutation()
	{
		boolean DNA[]=this.getChromosome();
		for (int i=0;i<DNA.length;i++)
			DNA[i] = (Math.random()<.10) ? !DNA[i] : DNA[i];
		return new BooleanIndividual(DNA);
	}	
}