#include <Adafruit_NeoPixel.h>
#include <TimerOne.h>

#define RING_PIN 4
#define NUMPIXELS 16

#define BUTTON_PIN 3
#define TIMEOUT 1000000 //1 sek

#define POTI_PIN A2
#define PHOTORES_PIN A1

Adafruit_NeoPixel pixels(NUMPIXELS, RING_PIN, NEO_GRB + NEO_KHZ800);

volatile bool debounceActive = false;
volatile bool ledState = false;

void setup() {
  Serial.begin(9600);
  pixels.begin();
  pixels.clear(); //
  pixels.show();  //sicherstellen, dass LED aus
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  pinMode(POTI_PIN, INPUT);
  pinMode(PHOTORES_PIN, INPUT);

  attachInterrupt(digitalPinToInterrupt(BUTTON_PIN),buttonInterrupt, FALLING);
  Timer1.attachInterrupt(timerInterrupt);
  Timer1.initialize(TIMEOUT);
}

void buttonInterrupt(){
  if (!debounceActive){
    Timer1.start();
    debounceActive=true;
  }
}

void timerInterrupt(){
  Timer1.stop();
  toggle();
  debounceActive=false;
}

void toggle(){
  ledState=!ledState;
  if (ledState){
    pixels.clear();
  }
  pixels.show();
}

void changeBrightness(){
  int brightness = map(analogRead(PHOTORES_PIN), 8, 1016, 255, 80);
  pixels.setBrightness(brightness);
  pixels.show();
}

void loop() {
}