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

#define TASTER_PIN 3
#define RING_PIN 2
#define SENSOR_PIN A0
#define POTI_PIN A1

Adafruit_NeoPixel LEDRing(16, RING_PIN, NEO_GRB + NEO_KHZ800);

volatile bool buttonpressed = false; //FLAG FÜR EIN bUTTONCHANGE
volatile int debounceCounter = 0; 

void setup() {
pinMode(TASTER_PIN, INPUT_PULLUP);
Timer1.initialize(1000); // 1000 µs = 1 ms
Timer1.attachInterrupt(debounceTaster);

    LEDRing.begin();
    for (int i = 0; i < 16; i++) {
        LEDRing.setPixelColor(i, 0, 0, 0);
    }
    LEDRing.show();
}

void loop() {
  static int zaehlwert = 0;
    if (buttonpressed) {
        buttonpressed = false;// Flag zurücksetzen
        zaehlwert ++ ; 
    }

    if (zaehlwert % 2 == 1) {
        int luxWert = map(analogRead(SENSOR_PIN), 0, 1023, 1023, 0);
        brightnessLEDRing(luxWert);
        int potiWert = analogRead(POTI_PIN);
        int voltWert = 44 - (potiWert * (44 - 12) / 1023.0);
        rudderIndicator(voltWert);
    } else {
        for (int c = 0; c < 16; c++) {
            LEDRing.setPixelColor(c, 0, 0, 0);
        }
        LEDRing.show();
    }
}
void brightnessLEDRing(int a) {
    int brightness = map(a, 0, 1023, 255, 0);
    LEDRing.setBrightness(brightness);
    LEDRing.show();
}

void rudderIndicator(int b) {
    if (b >= 12 && b < 28) {
        int numLEDs = map(b, 28, 12, 0, 8);
        for (int i = 0; i < 8; i++) {
            if (i < numLEDs) {
                LEDRing.setPixelColor(8 + i, 0, 255, 0);
            } else {
                LEDRing.setPixelColor(8 + i, 0, 0, 0);
            }
        }
        for (int i = 0; i < 8; i++) {
            LEDRing.setPixelColor(7 - i, 0, 0, 0);
        }
    } else if (b > 28 && b <= 44) {
        int numLEDs = map(b, 28, 44, 0, 8);
        for (int i = 0; i < 8; i++) {
            if (i < numLEDs) {
                LEDRing.setPixelColor(7 - i, 255, 0, 0);
            } else {
                LEDRing.setPixelColor(7 - i, 0, 0, 0);
            }
        }
        for (int i = 0; i < 8; i++) {
            LEDRing.setPixelColor(8 + i, 0, 0, 0);
        }
    }
    LEDRing.show();
}

void debounceTaster() {
    bool aktuellerStatus = digitalRead(TASTER_PIN);
    static bool letzterStatus = HIGH;
    if (aktuellerStatus != letzterStatus) {
        debounceCounter++;
        if (debounceCounter >= 10) {
            letzterStatus = aktuellerStatus; // Aktualisiere stabilen Status
            debounceCounter = 0;                   // Zähler zurücksetzen
            if (letzterStatus == LOW) {      
                buttonpressed = true;            // Markiere Änderung
            }
        }
    } else {
        debounceCounter = 0; // Zähler zurücksetzen, wenn keine Änderung
    }
}