// Servo Sweep example for the ESP32
// https://wokwi.com/arduino/projects/323706614646309460

#include <ESP32Servo.h>

Servo myServo;
const int buttonPin = 4;
const int redLed = 18;
const int greenLed = 19;
const int servoPin = 13;

bool isActive = false; // This tracks if the "trapdoor" is open or closed

void setup() {
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(redLed, OUTPUT);
  pinMode(greenLed, OUTPUT);
  
  myServo.attach(servoPin);
  
  // Initialize: Closed state
  digitalWrite(redLed, HIGH);
  digitalWrite(greenLed, LOW);
  myServo.write(0); 
}

void loop() {
  // Check if button is pressed
  if (digitalRead(buttonPin) == LOW) {
    isActive = !isActive; // Flip the state (if it was false, it's now true)
    
    if (isActive) {
      // Action: Open
      digitalWrite(redLed, LOW);
      digitalWrite(greenLed, HIGH);
      myServo.write(90);
    } else {
      // Action: Close
      digitalWrite(redLed, HIGH);
      digitalWrite(greenLed, LOW);
      myServo.write(0);
    }
    
    delay(300); // "Debounce" delay to prevent multiple triggers from one click
  }
}