const int ldrPin = A0;
const int pirPin = 3 ;
const int ledPin[] = {6,7,8,9,10,11,12,13};

const int lightThreshold = 500; 
const int pirDelay = 1000;

void setup() {
  Serial.begin(9600);
  pinMode(ldrPin, INPUT);
  pinMode(pirPin, INPUT);
  for (int i = 0; i < 8; i++) {
    pinMode(ledPin[i], OUTPUT);
    digitalWrite(ledPin[i], LOW);
  }
}
void loop() {
  int ldrValue = analogRead(ldrPin);
  int pirValue = digitalRead(pirPin);
  Serial.print("LDR Value: ");
  Serial.println(ldrValue);
  if (ldrValue < lightThreshold) {
    for (int i = 0; i < 4; i++) {
      digitalWrite(ledPin[i], HIGH);
    }
    if (pirValue == HIGH) { 
      for (int i = 4; i < 8; i++) {
        digitalWrite(ledPin[i], HIGH);
      }
    } else {
      for (int i = 4; i < 8; i++) {
        digitalWrite(ledPin[i], LOW);
      }
      delay(pirDelay);
    }
  } else {
    for (int i = 0; i < 8; i++) {
      digitalWrite(ledPin[i], LOW);
    }
  }
  delay(100);
}