#include <Servo.h>

// Rotary Encoder Input
#define inputCLK 4
#define inputDT 5
Servo myservo;

int sensor = 12;

// LED Outputs
#define ledCW 8
#define ledCCW 9

int counter = 90;  // Initialize counter to the middle position
int currentStateCLK;
int previousStateCLK;
String encdir = "";

void setup() {
  pinMode(sensor,INPUT);


  // Set encoder pins as inputs
  pinMode(inputCLK, INPUT);
  pinMode(inputDT, INPUT);
  // Set Led pins as outputs
  pinMode(ledCW, OUTPUT);
  pinMode(ledCCW, OUTPUT);
  Serial.begin(9600);
  myservo.attach(11);
  previousStateCLK = digitalRead(inputCLK);
}

void loop() {
  long state = digitalRead(sensor);
  Serial.println(state);
  if(state== HIGH){
    
    Serial.println("Radiation Present Door closing");
    myservo.write(180);
    delay(1000);
  }

  currentStateCLK = digitalRead(inputCLK);

  if (currentStateCLK != previousStateCLK) {
    if (digitalRead(inputDT) != currentStateCLK) {
      counter--;
      if (counter < 0) {
        counter = 0;
      }
      encdir = "CCW";
      digitalWrite(ledCW, LOW);
      digitalWrite(ledCCW, HIGH);
    } else {
      counter++;
      if (counter > 180) {
        counter = 180;
      }
      encdir = "CW";
      digitalWrite(ledCCW, LOW);
      digitalWrite(ledCW, HIGH);
    }

    myservo.write(counter);

    Serial.print("Direction: ");
    Serial.print(encdir);
    Serial.print(" -- Value: ");
    Serial.println(counter);
  }

  previousStateCLK = currentStateCLK;
}