#include <Wire.h>

const int pirSensorPin = 15;
const int ldrSensorPin = 13;
const int ledPin1 = 2;
const int ledPin2 = 4;
const int ledPin3 = 5;
const int ledPin4 = 16;

bool motionDetected = false;
bool ledsOn = false;

void setup() {
 Serial.begin(115200);

 pinMode(pirSensorPin, INPUT);
 pinMode(ldrSensorPin, INPUT);
 pinMode(ledPin1, OUTPUT);
 pinMode(ledPin2, OUTPUT);
 pinMode(ledPin3, OUTPUT);
 pinMode(ledPin4, OUTPUT);
}

void loop() {
 int ldrStatus = analogRead(ldrSensorPin);
 int pirStatus = digitalRead(pirSensorPin);

 Serial.print("LDR: ");
 Serial.print(ldrStatus);
 Serial.print(" | PIR: ");
 Serial.println(pirStatus);

 if (pirStatus == HIGH) {
    motionDetected = true;
 } else {
    motionDetected = false;
 }

 if (ldrStatus > 300 && !motionDetected) { // When surrounding is bright and no motion
    digitalWrite(ledPin1, LOW);
    digitalWrite(ledPin2, LOW);
    digitalWrite(ledPin3, LOW);
    digitalWrite(ledPin4, LOW);
    ledsOn = false;
 } else if (ldrStatus <= 300 && motionDetected) { // When surrounding is dark and motion
    digitalWrite(ledPin1, HIGH);
    digitalWrite(ledPin2, HIGH);
    digitalWrite(ledPin3, HIGH);
    digitalWrite(ledPin4, HIGH);
    ledsOn = true;
 } else if (ldrStatus > 300 && ledsOn) { // When surrounding is bright and lights are ON
    digitalWrite(ledPin1, LOW);
    digitalWrite(ledPin2, LOW);
    digitalWrite(ledPin3, LOW);
    digitalWrite(ledPin4, LOW);
    ledsOn = false;
 } else if (ldrStatus <= 300 && !motionDetected) { // When surrounding is dark and no motion
    digitalWrite(ledPin1, LOW);
    digitalWrite(ledPin2, LOW);
    digitalWrite(ledPin3, LOW);
    digitalWrite(ledPin4, LOW);
    ledsOn = false;
 }

 delay(100);
}