const int BUTTON = A1;
const int RLED = 10;
const int GLED = 9;
const int BLED = 8;
const unsigned long debouncePeriod = 20;
unsigned long startMillis;
unsigned long currentMillis;
unsigned long debounceStartMillis;
byte previousButtonState;
byte currentButtonState;
int count = 0;
bool debouncing = false;


void setup()
{
	Serial.begin(115200);
	pinMode(BUTTON, INPUT_PULLUP);
	pinMode(RLED, OUTPUT);
	pinMode(GLED, OUTPUT);
	pinMode(BLED, OUTPUT);
	startMillis = millis();

}

void ledMode(byte mode)
{

// Serial.println(mode);
	switch (mode)
	{
	case 1:
		digitalWrite(RLED, HIGH);	//RED
		digitalWrite(GLED, LOW);
		digitalWrite(BLED, LOW);
		delay(333);
		break;
	case 2:
		digitalWrite(RLED, LOW);	//GREEN
		digitalWrite(GLED, HIGH);
		digitalWrite(BLED, LOW);
		delay(333);
		break;
	case 3:
		digitalWrite(RLED, LOW);	//BLUE
		digitalWrite(GLED, LOW);
		digitalWrite(BLED, HIGH);
		delay(333);
		break;
	case 4:
		digitalWrite(RLED, HIGH);	//Yellow
		digitalWrite(GLED, HIGH);
		digitalWrite(BLED, LOW);
		delay(333);
		break;
	case 5:
		digitalWrite(RLED, LOW);	//TEAL
		digitalWrite(GLED, HIGH);
		digitalWrite(BLED, HIGH);
		delay(333);
		break;
	case 6:
		digitalWrite(RLED, HIGH);	//PURPLE
		digitalWrite(GLED, LOW);
		digitalWrite(BLED, HIGH);	
		delay(333);
		break;
	case 7:
		digitalWrite(RLED, HIGH);	//WHITE
		digitalWrite(GLED, HIGH);
		digitalWrite(BLED, HIGH);
		delay(333);
		break;
	}
}

int RGBloop() 
{
	for (byte x = 1; x < 9; x++)
	{
		ledMode(x);
	}
}

int RGBoff()
{
	Serial.println("Turning off...");
	digitalWrite(RLED, LOW);
	digitalWrite(BLED, LOW);
	digitalWrite(GLED, LOW);
}


void loop()
{
	currentMillis = millis();
	previousButtonState = currentButtonState;
	currentButtonState = digitalRead(BUTTON);
	if (currentButtonState != previousButtonState)
	{
		debouncing = true;
		debounceStartMillis = currentMillis;
	}
	if (currentMillis - debounceStartMillis >= debouncePeriod)
	{
		if(debouncing == true)
		{
			if (currentButtonState == LOW)
			{
				debouncing = false;
				count++;
				Serial.println(count);
				if (count % 2 == 0)
				{
					Serial.println("Turning off, yes.");
					RGBoff();
				}
				else if (count % 2==1)
				{
					Serial.println("Running loop function.");
					RGBloop();
					
				}
			}
		}
	}
}