#define RED 5
#define GREEN 4
#define BLUE 3

String arrColors[] = {"off", "white", "red", "blue", "green", "yellow", "orange"};  
int countCur = -1;

String color = "";

void setup() {

  Serial.begin(9600);

  //nastavenie zeleneho tlacitka
  pinMode(8, INPUT);
  digitalWrite(8, HIGH);

  //nastavenie cerveneho tlacitka
  pinMode(7, INPUT);
  digitalWrite(7, HIGH);

  //nastavenie modreho tlacitka
  pinMode(6, INPUT);
  digitalWrite(6, HIGH);

  //nastavenie ledky
  pinMode(RED, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BLUE, OUTPUT);

}

void loop() {
  if(digitalRead(8) == LOW)
  {
    countCur++;
    if(countCur == 7) countCur = 0;
    color = arrColors[countCur];
    Serial.println(arrColors[countCur]);
    delay(500);

  }

  if(digitalRead(7) == LOW)
  {
    countCur--;
    if(countCur == -1) countCur = 6; 
    color = arrColors[countCur];
    Serial.println(arrColors[countCur]);
    delay(500);
  }

  if(digitalRead(6) == LOW)
  {

    if(color == "off")
    {
      digitalWrite(RED, HIGH);
      digitalWrite(GREEN, HIGH);
      digitalWrite(BLUE, HIGH);
    }

    if(color == "white")
    {
      digitalWrite(RED, LOW);
      digitalWrite(GREEN, LOW);
      digitalWrite(BLUE, LOW);
    }

    if(color == "red")
    {
      digitalWrite(RED, LOW);
      digitalWrite(GREEN, HIGH);
      digitalWrite(BLUE, HIGH);
    }

    if(color == "blue")
    {
      digitalWrite(RED, HIGH);
      digitalWrite(GREEN, HIGH);
      digitalWrite(BLUE, LOW);
    }

    if(color == "green")
    {
      digitalWrite(RED, HIGH);
      digitalWrite(GREEN, LOW);
      digitalWrite(BLUE, LOW);
    }
    if(color == "yellow")
    {
      digitalWrite(RED, LOW);
      digitalWrite(GREEN, LOW);
      digitalWrite(BLUE, HIGH);
    }

    Serial.println(color);
    delay(500);
  }

  

}