#include <Adafruit_NeoPixel.h>

#define PIN 6         // Neopixelek csatlakoztatására használt Arduino láb
#define NUMPIXELS 16  // Neopixel LED-ek száma
#define SW_UP 2       // Nyomógomb csatlakoztatására használt Arduino láb
#define SW_DO 3       // Nyomógomb csatlakoztatására használt Arduino láb
#define PIR_UP 4      // Nyomógomb csatlakoztatására használt Arduino láb
#define PIR_DO 5     // Nyomógomb csatlakoztatására használt Arduino láb
#define LDR_D 7
//int LDR_A_Pin = A0; // select the input pin for the potentiometer
//int LDR_A_Value = 0;// variable to store the value coming from the sensor
int objectsInArea = 0;

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

void setup() {
  pixels.begin(); // Neopixel objektum inicializálása
  pixels.show();
  pinMode(SW_UP, INPUT);
  pinMode(SW_DO, INPUT);
  pinMode(PIR_UP, INPUT);
  pinMode(PIR_DO, INPUT);
  pinMode(LDR_D, INPUT);
  
  Serial.begin(115200);
  }

void loop() {
  bool state1A = digitalRead(SW_UP);
  bool state1B = digitalRead(PIR_UP);
  bool state2A = digitalRead(SW_DO);
  bool state2B = digitalRead(PIR_DO);

  
  // Detect object entering the area from A to B
  if (state1A == HIGH && state1B == HIGH) {
    while (digitalRead(SW_UP) == HIGH || digitalRead(PIR_UP) == HIGH); // Wait until object passes A
    objectsInArea++;
    Serial.print("Objects in area: ");
    Serial.println(objectsInArea);
  }

  // Detect object entering the area from B to A
  if (state2A == HIGH && state2B == HIGH) {
    while (digitalRead(SW_DO) == HIGH || digitalRead(PIR_DO) == HIGH); // Wait until object passes B
    objectsInArea++;
    Serial.print("Objects in area: ");
    Serial.println(objectsInArea);
  }

  // Detect object leaving the area from B to A
  if (state2B == HIGH && state2A == HIGH) {
    while (digitalRead(PIR_DO) == HIGH || digitalRead(SW_DO) == HIGH); // Wait until object leaves B
    objectsInArea--;
    Serial.print("Objects in area: ");
    Serial.println(objectsInArea);
  }

  // Detect object leaving the area from A to B
  if (state1B == HIGH && state1A == HIGH) {
    while (digitalRead(PIR_UP) == HIGH || digitalRead(SW_UP) == HIGH); // Wait until object leaves A
    objectsInArea--;
    Serial.print("Objects in area: ");
    Serial.println(objectsInArea);
  }
  // Small delay to avoid bouncing issues
  delay(100);
}
/*  if (digitalRead(LDR_D) == LOW) {
    pixels.setPixelColor(0, 127, 0, 127);
    pixels.setPixelColor(15, 127, 0, 127);
    pixels.show();
    }
  else (digitalRead(LDR_D) == HIGH); {
    pixels.clear();
    pixels.show();
  }
}
//  else (digitalRead(SW_UP) == HIGH) { // Ellenőrzés, hogy a nyomógombot megnyomták-e
      // Fokozatos elhalványulás minden egyes LED-en
//    for(int i=0; i<NUMPIXELS; i++) {
//      for(int brightness = 255; brightness >= 0; brightness--) {
//        pixels.setPixelColor(i, pixels.Color(brightness, brightness, brightness));
//        pixels.show();
//        }
//      } 
//  }

//  if (digitalRead(SW_DO) == HIGH) {
      // Felvilágosodás minden egyes LED-en
//    for(int i=0; i<NUMPIXELS; i++) { //for(int i=NUMPIXELS-1; i>=0; i--) {
//      for(int brightness = 0; brightness <= 255; brightness++) {
//        pixels.setPixelColor(i, pixels.Color(brightness, brightness, brightness));
//        pixels.show();
//        }
//      }
  //else (digitalRead(LDR_D) == LOW) {
    //pixels.setPixelColor(0, 127, 0, 127);
    //pixels.setPixelColor(15, 127, 0, 127);
    //}
}*/