package Java.Exercism;

import java.util.ArrayList;

import java.util.List;

import java.util.Collections;

class HandshakeCalculator {

List<Signal> calculateHandshake(int number) {

String numberString = Integer.toBinaryString(number);

int length = numberString.length();

List<Signal> actionList = new ArrayList<>();

if (length > 0 && numberString.charAt(length - 1) == '1'){

actionList.add(Signal.WINK);

}

if (length > 1 && numberString.charAt(length - 2) == '1'){

actionList.add(Signal.DOUBLE_BLINK);

}

if (length > 2 && numberString.charAt(length - 3) == '1'){

actionList.add(Signal.CLOSE_YOUR_EYES);

}

if (length > 3 && numberString.charAt(length - 4) == '1'){

actionList.add(Signal.JUMP);

}

if (length > 4 && numberString.charAt(length - 5) == '1'){

Collections.reverse(actionList);

}

return actionList;

}

}