package mixing;

import java.util.ArrayList;
import java.util.List;

public aspect Interaction {

	public static final long TIMEPERIODMS = 2000;
	private List<Long> timeSlots = new ArrayList<>();

	pointcut callTimeSlotAvailable(long i): args(i) && call(* ExampleScenario.Consumer.timeSlotAvailable(long));

	boolean around(long startTime) : callTimeSlotAvailable(startTime)  {
		boolean available = true;

		for (Long timeSlotStart : timeSlots) {
			System.out.println(Long.toString(startTime) + " " + Long.toString(timeSlotStart + TIMEPERIODMS));
			if (
					// Requested time slot starts in current time slot
					(startTime >= timeSlotStart && startTime <= timeSlotStart + TIMEPERIODMS) ||
					// Requested time slot ends in current time slot
					(startTime + TIMEPERIODMS >= timeSlotStart && startTime + TIMEPERIODMS <= timeSlotStart + TIMEPERIODMS)) {
				available = false;
			}
		}

		if (available) {
			this.timeSlots.add(startTime);
		}

		return available;
	}
}