#include "StopLight.h"

StopLight::StopLight() {
	// You need to initialize stateNS here
	stateEW = Go ;
	time = 0 ;
}

// This is a rather silly Tick method..
void StopLight::Tick() {
	++time ;
	if (time == 50) {
		time = 0 ;
		if (stateNS == Go) {
			stateNS = Stop ;
			stateEW = Stop ;
		}
		else
		{
			stateNS = Go ;
			stateEW = Go ;
		}
	}
	else if (time == 40) {
		stateEW = Caution ;
	}
}

// There should be six bulbXXX methods.
// Some are missing!

int StopLight::bulbNSR(void) {
	return stateNS == Stop ;
}

int StopLight::bulbNSY() {
	return stateNS == Caution ;
}

int StopLight::bulbEWR() {
	return stateEW == Stop ;
}

int StopLight::bulbEWG() {
	return stateEW == Go ;
} ;