/************************************************************************************
 * Copyright (C) 2008 by Politehnica University of Bucharest and Rutgers University
 * All rights reserved.
 * Refer to LICENSE for terms and conditions of use.
 ***********************************************************************************/
package vnsim.vehicular.simulator.intersections;


import java.io.Serializable;

import vnsim.map.object.Globals;



public class TrafficLightInfo implements Serializable {
	
	/** <code>serialVersionUID</code> */
	private static final long serialVersionUID = -5883719321862303634L;

	//[secs]
	public int greenStart;
	public int greenEnd;
	public int yellowStart;
	public int yellowEnd;

	public static int TIMEYELLOW=3;
	//any other time is red

	public TrafficLightInfo(int greenStart, int greenEnd) {
		this.greenStart=greenStart;
		this.greenEnd=greenEnd;
		yellowStart=greenEnd;
		yellowEnd=yellowStart+TIMEYELLOW;
	}

	public TrafficLightInfo(int greenStart, int greenEnd, int yellowTime) {
		this.greenStart=greenStart;
		this.greenEnd=greenEnd;
		yellowStart=greenEnd;
		yellowEnd=yellowStart + yellowTime;
	}

	public int getColor(double timeSec) {
		//1=RED, 2=YELLOW, 3=GREEN
		if(timeSec>=greenStart && timeSec<greenEnd)
			return Globals.GREEN;
		if(timeSec>=yellowStart && timeSec<yellowEnd)
			return Globals.YELLOW;
		return Globals.RED;
	}
}