#include <TinyDebug.h>

// Pinek definiálása
#define BUTTON_PIN PB4

#define RED_PIN PB2
#define GREEN_PIN PB1
#define BLUE_PIN PB0

int buttonState = HIGH;
int lastButtonState = HIGH;
int counter = 0; 
unsigned long lastDebounceTime = 0;
unsigned long debounceDelay = 50; 

void setup() {
  pinMode(RED_PIN, OUTPUT);
  pinMode(GREEN_PIN, OUTPUT);
  pinMode(BLUE_PIN, OUTPUT);
  
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  digitalWrite(RED_PIN, 0);
  digitalWrite(GREEN_PIN, 0);
  digitalWrite(BLUE_PIN, 0);
}

void loop() {
  int reading = digitalRead(BUTTON_PIN);

  if (reading != lastButtonState) {
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    if (reading != buttonState) {
      buttonState = reading;

      if (buttonState == LOW) {
        counter++;

        if (counter == 6) {
          counter = 1;
        }

        switch (counter) {
          case 1:
            setColor(255, 0, 0); // Piros
            break;
          case 2:
            setColor(0, 255, 0); // Zöld
            break;
          case 3:
            setColor(0, 0, 255); // Kék
            break;
          case 4:
            rainbowEffect();
            break;
          case 5:
            setColor(0, 0, 0);
            break;
        }
      }
    }
  }

  lastButtonState = reading;
}

// Ez a függvény beállítja az RGB LED színét a megadott értékek alapján
void setColor(int red, int green, int blue) {
  analogWrite(RED_PIN, red);
  analogWrite(GREEN_PIN, green);
  analogWrite(BLUE_PIN, blue);
}

// Ez a függvény létrehozza a szivárvány hatását
void rainbowEffect() {
  int delayTime = 10; // Az átmenetek közötti késleltetési idő (milliszekundumban)
  int increment = 1;  // Színváltozás sebessége

  while (true) { // Folyamatosan fut a szivárvány hatás
    for (int hue = 0; hue < 360; hue += increment) {
      float radHue = radians(hue);
      int red = int(cos(radHue) * 127 + 128);
      int green = int(cos(radHue + radians(120)) * 127 + 128);
      int blue = int(cos(radHue + radians(240)) * 127 + 128);

      analogWrite(RED_PIN, red);
      analogWrite(GREEN_PIN, green);
      analogWrite(BLUE_PIN, blue);

      delay(delayTime);

      if (buttonState == LOW) {
        Debug.begin();
        Debug.println(digitalRead(BUTTON_PIN));
      }

    }
  }
}