#include <Servo.h>

const int LDRPin = A0;        // Pin connected to LDR
const int PotPin = A1;        // Pin connected to potentiometer
const int LEDPin = 13;        // Pin connected to LED
const int ServoPin = 5;       // Pin connected to servo

Servo myServo;                // Create a servo object

void setup() {
  pinMode(LDRPin, INPUT);
  pinMode(PotPin, INPUT);
  pinMode(LEDPin, OUTPUT);
  myServo.attach(ServoPin);
  
  Serial.begin(9600);         // Begin serial communication
}

void loop() {
  int LDRValue = analogRead(LDRPin);    // Read the value from the LDR
  int PotValue = analogRead(PotPin);    // Read the value from the potentiometer
  
  int threshold = map(PotValue, 0, 1023, 0, 1023);  // Map potentiometer value to threshold range
  
  Serial.print("LDR Value: ");
  Serial.print(LDRValue);
  Serial.print(" - Potentiometer Value: ");
  Serial.print(PotValue);
  Serial.print(" - Threshold: ");
  Serial.println(threshold);
  
  if (LDRValue < threshold) {
    // Rain detected (simulated by darkness)
    Serial.println("Rain detected. Roof OPEN and Light ON");
    myServo.write(0);          // Turn on the servo (open the roof)
    digitalWrite(LEDPin, HIGH); // Turn on LED
  } else {
    // No rain detected
    Serial.println("No rain detected. Roof CLOSE and Light OFF");
    myServo.write(90);         // Turn off the servo (close the roof)
    digitalWrite(LEDPin, LOW);  // Turn off LED
  }

  delay(1000); // Small delay for stability
}