#include <ESP32Servo.h>
#include <Arduino.h>

const int servoPin = 18;
const int buttonLeftPin = 32;
const int buttonRightPin = 33;
const int ledPin = 2;

Servo servo;

int servoPosition = 90;
int minServoPosition = 0;
int maxServoPosition = 180;

volatile bool leftButtonPressed = false;
volatile bool rightButtonPressed = false;

void handleLeftButton() {
  leftButtonPressed = true;
}

void handleRightButton() {
  rightButtonPressed = true;
}

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

  servo.attach(servoPin);

  pinMode(buttonLeftPin, INPUT_PULLUP);
  pinMode(buttonRightPin, INPUT_PULLUP);
  pinMode(ledPin, OUTPUT);

  attachInterrupt(digitalPinToInterrupt(buttonLeftPin), handleLeftButton, FALLING);
  attachInterrupt(digitalPinToInterrupt(buttonRightPin), handleRightButton, FALLING);
}

void loop() {
  if (leftButtonPressed) {
    if (servoPosition > minServoPosition) {
      servoPosition -= 10;
      servo.write(servoPosition);
      Serial.println("Move left to " + String(servoPosition) + "°");
    }
    leftButtonPressed = false;
  }

  if (rightButtonPressed) {
    if (servoPosition < maxServoPosition) {
      servoPosition += 10;
      servo.write(servoPosition);
      Serial.println("Move right to " + String(servoPosition) + "°");
    }
    rightButtonPressed = false;
  }

  if (servoPosition <= minServoPosition || servoPosition >= maxServoPosition) {
    digitalWrite(ledPin, HIGH);
  } else {
    digitalWrite(ledPin, LOW);
  }

  delay(100);
}