#define BLYNK_TEMPLATE_ID "TMPL3tN9cZ_Fc"
#define BLYNK_TEMPLATE_NAME "iot door lock unlock sytem"
#define BLYNK_AUTH_TOKEN "XcIdIT6Ij6YytIXXMosrWGmyVBf_ZXKr"


#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;
Servo servo;

#define button1_pin 26
#define relay1_pin 13
#define servo_pin 12
int relay1_state = 0;
#define button1_vpin V1   

BLYNK_CONNECTED() {
  Blynk.syncVirtual(button1_vpin);
}
BLYNK_WRITE(button1_vpin) {
  relay1_state = param.asInt();
  if(relay1_state)
  { Serial.println("DOOR IS NOW OPENED");
    digitalWrite(relay1_pin,HIGH);
    servo.write(180);
    delay(5000);
    digitalWrite(relay1_pin,LOW);
    servo.write(0);
    Serial.println("DOOR IS NOW LOCKED");
  }
}

void setup()
{
 
  Serial.begin(115200);
  pinMode(button1_pin, INPUT_PULLUP);
  pinMode(relay1_pin, OUTPUT);
  servo.attach(servo_pin, 500, 2400);
  Blynk.begin(auth, ssid, pass);
  
}

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

void listen_push_buttons(){

    if(digitalRead(button1_pin) == LOW){
      delay(200);
      control_relay(1);
      Blynk.virtualWrite(button1_vpin, relay1_state); //update button state
    }
   
}
void control_relay(int relay){
  
  if(relay == 1){
    relay1_state = !relay1_state;
    digitalWrite(relay1_pin, HIGH);
    Serial.println("DOOR IS NOW OPENED");
    digitalWrite(relay1_pin,HIGH);
    servo.write(180);
    delay(5000);
    digitalWrite(relay1_pin,LOW);
    servo.write(0);
    Serial.println("DOOR IS NOW LOCKED");
    delay(50);
  }
 
}