#define colorBtn 6
#define durationBtn 7

bool colors[][3] = {
  {1, 1, 1}, {1, 0, 0}, {0, 1, 0}, {0, 0, 1},  // White, Red, Green, Blue
  {0, 1, 1}, {1, 1, 0}, {1, 0, 1}, {0, 0, 0}   // Cyan, Yellow, Magenta, Black
};

char* colorNames[] = {
  "white", "blue", "green", "red",
  "yellow", "cyan", "magenta", "black"
};

int delays[] = {
  1000, 800, 600, 400, 200
};

volatile int currentColor = 0;
volatile int currentDelay = 0;

unsigned long lastColorPress = 0;
unsigned long lastDurationPress = 0;
const unsigned long debounceDelay = 1000;

unsigned long previousMillis = 0;
bool ledState = LOW;

void setup()
{
  Serial.begin(9600);

  pinMode(11, OUTPUT); // R
  pinMode(12, OUTPUT); // G
  pinMode(13, OUTPUT); // B
  pinMode(colorBtn, INPUT_PULLUP);
  pinMode(durationBtn, INPUT_PULLUP);

  attachInterrupt(digitalPinToInterrupt(colorBtn), changeColor, RISING);
  attachInterrupt(digitalPinToInterrupt(durationBtn), changeDuration, RISING);

  printState();
}

void loop()
{
  unsigned long currentMillis = millis();
  
  if (currentMillis - previousMillis >= delays[currentDelay])
  {
    previousMillis = currentMillis;
    ledState = !ledState;

    digitalWrite(11, ledState && colors[currentColor][0]);
    digitalWrite(12, ledState && colors[currentColor][1]);
    digitalWrite(13, ledState && colors[currentColor][2]);
  }

  delay(10);
}

void changeColor()
{
  unsigned long currentMillis = millis();

  if (currentMillis - lastColorPress >= debounceDelay)
  {
    currentColor = (currentColor + 1) % 8;
    lastColorPress = currentMillis;
    printState();
  }
}

void changeDuration()
{
  unsigned long currentMillis = millis();

  if (currentMillis - lastDurationPress >= debounceDelay)
  {
    currentDelay = (currentDelay + 1) % 5;
    lastDurationPress = currentMillis;
    printState();
  }
}

void printState()
{
  Serial.print("Current Color: ");
  Serial.println(colorNames[currentColor]);
  Serial.print("Current Delay: ");
  Serial.print(delays[currentDelay]);
  Serial.println(" ms");
}