public class lab3 {

    /**
     * final variable for locked switch
     */
    private static final int LOCKED = 0;

    /**
     * final variable for unlocked switch
     */
    private static final int UNLOCKED = 1;

    /**
     * final variable for the number of switches spot on the array
     */
    private static final int SWITCH_NUM = 0;

    /**
     * final variable for the number of lock steps spot on the array
     */
    private static final int LOCK_STEPS = 1;

    /**
     * final variable for the number of unlock steps spot on the array
     */
    private static final int UNLOCK_STEPS = 2;

    /**
     * final variable for the total number of steps spot on the array
     */
    private static final int TOTAL_STEPS = 3;

    /**
     * counter start
     */
    private static final int DEFAULT = 0;

    /**
     * even start
     */
    private static final int EVEN_START = 2;

    /**
     * odd start
     */
    public static final int ODD_START = 1;

    /**
     * data size final variable
     */
    private static final int DATA_SIZE = 4;

    private static int[] spinOut;

    private static int[] compArray;

    public static void main(String[] args) {

        int[] toDisplay = compute(3);

        for (int i = 0; i < toDisplay.length; i++) {
            System.out.println(toDisplay[i]);
        }

    }

    /**
     * This method will compute the amount of steps it takes to play Spin Out
     *
     * @param numOfSwitches
     *            the amount of switches in the game
     * @return int array with the steps info for the game
     */
    public static int[] compute(int numOfSwitches) {

        compArray = new int[DATA_SIZE];
        spinOut = new int[numOfSwitches];
        compArray[SWITCH_NUM] = numOfSwitches;
        int index = numOfSwitches;

        unlockGame(index);

        compArray[TOTAL_STEPS] = compArray[LOCK_STEPS]
                + compArray[UNLOCK_STEPS];
        return compArray;
    }

    /**
     * This method will play through the game, acquiring step data
     *
     * @param compArray
     *            array were data will be stored
     * @param spinOut
     *            array with values for locked or unlocked switches
     * @param index
     *            spot on the array to start unlocking
     */
    public static void unlockGame(int index) {

        if(Math.abs(DEFAULT - index) % 2 == 0 && !isSolved()){
            index --;
            flip(index);
            if(isSolved()){

            }

        }
        else {
            flip(index);

        }

    }



    /**
     * Checks to see if the game has been solved
     *
     * @param spinOut
     *            array of switches
     * @return boolean true or false depending on whether the game has been
     *         solved
     */
    public static boolean isSolved() {

        for (int i = DEFAULT; i < spinOut.length; i++) {
            if (spinOut[i] != UNLOCKED) {
                return false;
            }
        }
        return true;
    }

    public static void flip(int index){

        if(spinOut[index] == UNLOCKED){
            spinOut[index] = LOCKED;
        }
        else {
            spinOut[index] = UNLOCKED;
        }
    }

}