public class Chromosome {

    private String binaryRepresentation;
    int fitness = 0;

    public Chromosome() {
        this.setBinaryRepresentation(this.generateRandomChromosome());
    }

    private String generateRandomChromosome() {
        String chromosome = "";
        for (int i = 1; i <= 40; i++) {
            chromosome += ((int) (Math.random() * 10)) % 2;
        }
        return chromosome;
    }

    public String getBinaryRepresentation() {
        return this.binaryRepresentation;
    }

    private void setBinaryRepresentation(String binaryRepresentation) {
        this.binaryRepresentation = binaryRepresentation;
    }

    public String getHexadecimalRepresentation() {

        return this.gettoHexString(this.getBinaryRepresentation());
    }

    public String gettoHexString(String ss) {
        String toBuild = "";
        String toRet = "";
        int endi = ss.length();
        int begi = endi;
        for (int ii = 0; ii < ss.length() - 4; ii += 4) {
            endi = ss.length() - ii;
            begi = endi - 4;
            String test = ss.substring(begi, endi);
            toBuild += Long.toHexString(Long.parseLong(test, 2));
        }
        endi = begi;
        begi = 0;
        toBuild += Long.toHexString(Long.parseLong(ss.substring(begi, endi), 2));

        for (int ii = toBuild.length(); ii >= 1; ii--) {
            toRet += toBuild.substring(ii - 1, ii);
        }
        return toRet;
    }

    public int getFitness(GeneticKey geneticKey) {
        int b = 0;
        int h = 0;

        for (int i = 0; i < geneticKey.getChromosome().getBinaryRepresentation().length(); i++) {
            if (binaryRepresentation.charAt(i) == geneticKey.getChromosome().getBinaryRepresentation().charAt(i)) {
                b++;
            }
        }

        for (int i = 0; i < geneticKey.getChromosome().getHexadecimalRepresentation().length(); i++) {
            if (getHexadecimalRepresentation().charAt(i) == geneticKey.getChromosome().getHexadecimalRepresentation().charAt(i)) {
                h++;
            }

        }

        return fitness = (h + 1) * (b * b);
    }


//    public void verificarFitness(Chromosome cromosoma) {
//        if (cromosoma.getFitness() == GeneticKey.getFitness()) {
//            System.out.println("Hola");
//        } else {
//            System.out.println("Chau");
//        }
//    }


    public boolean mutate(String binaryRepresentation) {
        ArrayList<String> uniques = new ArrayList<String>();
        String indices = "";
        for (int i = 1; i <= 4; i++) {
            indices += ((int) (Math.random() * 10)) % 2;
        }
        return uniques.add(indices);
    }

    public String crossOver() {
        String A = "HelloWorld";
        String B = "zzzzzXxxxx";
        String C = A.substring(0, 4) + B.substring(5, 9);
        String D = B.substring(0, 4) + A.substring(5, 9);
        String E = A.substring(0, (int) (Math.random())) + B.substring((int) (Math.random()), 9);

        return C + D + E;
    }
}