// Define pin numbers
const int ldrPin = A0;       // LDR sensor input pin
const int activeIRPin = 12;  // Active IR sensor input pin
const int passiveIRPin = 13; // Passive IR sensor input pin
const int ledPin = 13;       // LED for indication
const int relayPin = 7;      // Relay control pin for street light

void setup() {
  Serial.begin(9600);
  pinMode(ldrPin, INPUT);
  pinMode(activeIRPin, INPUT);
  pinMode(passiveIRPin, INPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(relayPin, OUTPUT);
}

void loop() {
  // Read LDR sensor
  int ldrValue = analogRead(ldrPin);

  // Read Active IR sensor
  int activeIRValue = digitalRead(activeIRPin);

  // Read Passive IR sensor
  int passiveIRValue = digitalRead(passiveIRPin);

  // Print sensor values
  Serial.print("LDR Value: ");
  Serial.println(ldrValue);
  Serial.print("Active IR Sensor Value: ");
  Serial.println(activeIRValue);
  Serial.print("Passive IR Sensor Value: ");
  Serial.println(passiveIRValue);

  // Check if it's dark and a living object is detected
  if (ldrValue < 1000) {
    if (activeIRValue == HIGH) {
      Serial.println("Living Being Detected!");
      digitalWrite(relayPin, HIGH);  // Turn on street light
    } 
    else if (passiveIRValue == HIGH) { 
      Serial.println("Non-living Object Detected.");
      digitalWrite(relayPin, HIGH);  // Turn on street light
    } 
    else {
      Serial.println("No Object Detected.");
      digitalWrite(relayPin, LOW);   // Turn off street light
    }
  } 
  else {
    Serial.println("Too Bright, No Object Detected.");
    digitalWrite(relayPin, LOW);   // Turn off street light
  }

  delay(1000);
}