#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL3RXiEZr0I"
#define BLYNK_TEMPLATE_NAME "Smart Lock"


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>
#include <LiquidCrystal_I2C.h>



char auth[] = "GhH0l4VmfnYYYxsOqa4O_9qAyLtnSrnh";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

Servo servo;
#define servo_pin 26

#define relay_pin 13
int relay_state = HIGH;

#define button_vpin V1

LiquidCrystal_I2C lcd(0x27, 20, 4);  // I2C address may vary, check your LCD module

BlynkTimer timer;

BLYNK_CONNECTED() {
  Blynk.syncVirtual(button_vpin);
}

BLYNK_WRITE(button_vpin) {
  int button_state = param.asInt();
  if (button_state == 1) {
    // Turn on servo
    servo.write(90);
    relay_state = HIGH;
  }
  else {
    // Turn off servo
    servo.write(0);
    relay_state = LOW;
  }
  digitalWrite(relay_pin, relay_state);
}

void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);

  servo.attach(servo_pin);
  pinMode(relay_pin, OUTPUT);
  digitalWrite(relay_pin, relay_state);
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(0, 0);
  // lcd.begin(16, 2);
  lcd.print("Door Status:");
}

void loop() {
  Blynk.run();
  timer.run();

  // Update LCD
  if (relay_state == HIGH) {
    lcd.setCursor(0, 1);
    lcd.print("Door Opened    ");
  }
  else {
    lcd.setCursor(0, 1);
    lcd.print("Door Closed    ");
  }
}