TrafficLight.h

#ifndef _TRAFFICLIGHT_H__
#define _TRAFFICLIGHT_H__

#include <iostream>

using namespace std;

enum class Color { green, yellow, red, undefined };

enum class TrafficLightDirection { north_south, east_west, undefined }; 

class TrafficLight {

    public:
        // Default contstructor 
        TrafficLight();
        // Creates an instance of TrafficLigth with pass by value arguments
        TrafficLight(int green, int yellow, int red, Color currentState, TrafficLightDirection direct);
        // Copy constructor
        TrafficLight(const TrafficLight& other);
        // Destructor 
        ~TrafficLight();

        // Return the current color of the TrafficLight
        Color getColor();
        // Update the state of the TrafficLight given the current time of the simulation
        void updateState(int time);
        // Return the time remaining before the color changes given the current state of 
        // the TrafficLight and the current time of the simulation
        int getTimeRemaining(int time);

    private:

        int gLength;                            // The length of time where the TrafficLight is green in one cycle
        int yLength;                            // The length of time where the TrafficLight is yellow in one cycle
        int rLength;                            // The length of time where the TrafficLight is red in one cycle
        int cycleTime;                          // The length of one traffic cycle: where green, yellow and red rotations each occur once
        Color currentState;                     // The Color that the TrafficLight currently is
        TrafficLightDirection myDirection;      // The direction of traffic that the TrafficLight is assigned to   
};

#endif