#include <ESP32Servo.h>

const int servoPin = 18;         // Servo signal pin
const int buttonPin = 4;         // Push button pin
const int photoresistorPin = 34; // Photoresistor pin

Servo myServo;

int buttonState = 0;
int lastButtonState = 0;
int photoValue = 0;
int photoThreshold = 500; // Adjust this value based on your photoresistor behavior

void setup() {
  myServo.attach(servoPin);
  pinMode(buttonPin, INPUT);
  Serial.begin(115200);
}

void loop() {
  // Read button state
  buttonState = digitalRead(buttonPin);

  // Read photoresistor value
  photoValue = analogRead(photoresistorPin);

  // Map the photoresistor value to servo position
  int servoPosition = map(photoValue, 0, 1023, 0, 180);
  servoPosition = constrain(servoPosition, 0, 180); // Ensure servo position is within valid range

  // If the button is pressed or photoresistor value exceeds the threshold, move the servo
  if ((buttonState == HIGH || photoValue > photoThreshold) && lastButtonState == LOW) {
    myServo.write(servoPosition);
    Serial.print("Button or Photoresistor triggered. Servo position: ");
    Serial.println(servoPosition);
  } else {
    // If the button is not pressed and photoresistor value is below the threshold, stop the servo
    myServo.write(90); // Move to the middle position
    Serial.println("Button not pressed. Servo stopped.");
  }

  // Store the current button state for comparison in the next iteration
  lastButtonState = buttonState;

  // Add a delay to avoid rapid changes
  delay(50);
}