package a1;

public class Permutation {

    private Lab[] labs;

    /**
     *
     * @param labs
     */
    public Permutation(Combination c) {
        this.labs = c.getCombination();

        c.getMask();

    }

    public boolean next() {
        boolean flag = true;
        Lab temp;
        int i;
        int j;

        int a = labs.length - 2;

        while (a >= 0 && labs[a].getLabel2() > labs[a + 1].getLabel2()) {
            if (labs.length > 1) {
                for (int iz = 0; iz < labs.length; iz++) {
                    System.out.println(labs[iz].label2);
                    System.exit(1);
                }
            }
            System.out.println(" stuck");
            a--;

        }
        if (a == -1) {
            return false;
        }
        if (a >= 0) {
            int b = labs.length - 1;

            while (labs[b].getLabel2() < labs[a].getLabel2()) {

                b--;
            }
            temp = labs[a];
            labs[a] = labs[b];
            labs[b] = temp;
            for (i = a + 1, j = labs.length - 1; i < j; i++, j--) {
                temp = labs[i];
                labs[i] = labs[j];
                labs[j] = temp;
            }

        }

        return flag;
    }

    public Lab[] getCurrent() {
        return labs;
    }

    public String displayPerm() {
        String value = "";

        for (int i = 0; i < labs.length; i++) {
            value += " " + labs[i].label2;
        }
        return value;
    }
}