#define BLYNK_PRINT Serial


#define BLYNK_TEMPLATE_ID "TMPL341emGodb"
#define BLYNK_TEMPLATE_NAME "DUSID"
#define BLYNK_AUTH_TOKEN "dPf3tku919wewUPxFu4Ics9YSSgv_dtQ"


#include <WiFi.h>
#include <ArduinoJson.h> 
#include <ESP32Servo.h>
#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;

const char ssid[] = "Wokwi-GUEST";
const char pass[] = "";

BlynkTimer timer;

const int doorSensorPin = 13; // D13 Connect MC-38 Magnectic Door sensor
const int ledPin = 12;        // D12 Connect with Piezo Buffer

const int servoPin = 2;       // Just used for user closed door Action 

Servo doorServo;

bool doorLocked = true;
bool unlockRequested = false;

// Support For Blynk IOT Platform
BLYNK_WRITE(V0)
{
  int unlockButtonState = param.asInt();
  
  if (unlockButtonState == 1) {
    unlockRequested = true;
    Blynk.virtualWrite(V1, HIGH);// turn on a vitual led 
  }
}


void setup() {
  pinMode(doorSensorPin, INPUT_PULLUP);
  pinMode(ledPin, OUTPUT);
  // Connect to Wi-Fi
  Serial.begin(115200);

  Serial.println("Connecting to WiFi...");
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi");
  }
  Serial.println("\nConnected to WiFi");

  //  Attach the servo to the control pin
  doorServo.attach(servoPin);
  lockDoor(); //Lock the door initilly

  // Initialize Blynk
   Blynk.begin(auth, ssid, pass);
}

void loop() {
  Blynk.run();

  bool doorState = digitalRead(doorSensorPin);
  //Serial.println(doorState); print 1
  

  if (unlockRequested && doorState == HIGH) {
     digitalWrite(doorSensorPin, HIGH);
    Serial.println("Door closed, unlocking door...");
    unlockDoor();
    unlockRequested = false; // Reset the unlock request
  }

  if (doorLocked) {
    // The door is locked, turn off the LED
    digitalWrite(ledPin, LOW);
  } else {
    // The door is unlocked, turn on the LED for 5 seconds
    Serial.println("LED(buzzer) is off -- wait for 5 second");
    digitalWrite(ledPin, LOW);
    delay(5000); // wait for 5 seconds
    Serial.println("LED(buzzer) is ON---User not closed door( 5 second )");
  
    digitalWrite(ledPin, HIGH); // Turn of the LED

    // After 10 seconds , close the door
    delay(5000);  // wait for another 5 seconds
    Serial.println("LED(buzzer) is OFF--- once User closed door");
    lockDoor(); // Lock the door
  }
}

void unlockDoor() {
  Serial.println("unlocking door...");

  doorServo.write(90);

  doorLocked = false;
}

void lockDoor() {
  Serial.println("Locking door...");
  doorServo.write(0);
  doorLocked = true;
  // You can implement this function to lock the door if needed
  // This is a placeholder, and the actual implementation depends on your hardware.
}