#define colorBtn 6
#define durationBtn 7
bool colors[][3] = {
  {1,1,1} , {1,0,0},{0,1,0},{0,0,1},  // wrgb
  {0,1,1} , {1,1,0},{1,0,1},{0,0,0} // cymk
};
char* colorNames[] = {
  "white","red","green","blue",
  "cyan","yellow","megenta","black" // black is just off so do not need to toggle to black
};

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

int currentColor = 0;
int currentDuration = 0;
int lastChange = 0;
bool glow = 1;

int debounceDelay = 300;
int lastBtnPressed = 0;

void setup() {
  pinMode(colorBtn, INPUT_PULLUP);
  pinMode(durationBtn, INPUT_PULLUP);

  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);

  attachInterrupt(digitalPinToInterrupt(colorBtn), colorChange, FALLING);
  attachInterrupt(digitalPinToInterrupt(durationBtn), durationChange, FALLING);

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

  Serial.begin(9600);

}

void colorChange() {
  
  if (millis()-lastBtnPressed > debounceDelay){
    currentColor = (currentColor+1)%7;
    Serial.print("Color: ");
    Serial.println(colorNames[currentColor]);
    lastBtnPressed = millis();
  }
}

void durationChange(){
  if (millis()-lastBtnPressed > debounceDelay){
    currentDuration = (currentDuration+1)%5;
    Serial.print("Duration: ");
    Serial.print(delays[currentDuration]);
    Serial.println(" ms");
    lastBtnPressed = millis();
  }
}

void loop() {
  if (millis()-lastChange > delays[currentDuration]) {
    if (glow == 1) {
      digitalWrite(13, LOW);
      digitalWrite(12, LOW);
      digitalWrite(11, LOW);
      glow=0;
    }
    else {
      digitalWrite(13, colors[currentColor][0]);
      digitalWrite(12, colors[currentColor][1]);
      digitalWrite(11, colors[currentColor][2]);
      glow=1;
    }
  
    lastChange = millis();
  }
  delay(10);
}