#define BLYNK_TEMPLATE_ID "TMPL6i4RByCPA"
#define BLYNK_TEMPLATE_NAME "Smart Home System"
#define BLYNK_AUTH_TOKEN "aoNQDuVyR1qvl7wOMQJHJ9YYtNKI4f7g" 

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

// Blynk settings
char auth[] = BLYNK_AUTH_TOKEN;

// WiFi credentials
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// Pin untuk relay
#define relay1 21 // Lampu pertama

// Servo settings
Servo myServo;
const int servoPin = 4;
const int unlockPosition = -90; // Posisi servo saat pintu terbuka
const int lockPosition = 90;    // Posisi servo saat pintu terkunci

// Buzzer pin
const int buzzerPin = 32; // Pin untuk buzzer

// Status relay
int SW_relay1 = 0;

// Status pintu
bool locked = true;

// Timer Blynk
BlynkTimer timer;

// Deklarasi fungsi
void unlockDoor();
void lockDoor();
void playBuzzer(int times);

// Kontrol relay pertama (Virtual Pin V1)
BLYNK_WRITE(V1) {
  SW_relay1 = param.asInt();
  if (SW_relay1 == 1) {
    digitalWrite(relay1, HIGH);
    Serial.println("Lampu 1: ON");
    Blynk.virtualWrite(V1, HIGH);
  } else {
    digitalWrite(relay1, LOW);
    Serial.println("Lampu 1: OFF");
    Blynk.virtualWrite(V1, LOW);
  }
}

// Kontrol pintu (Virtual Pin V0)
BLYNK_WRITE(V0) {
  int switchState = param.asInt();
  if (switchState == 1) { // Jika switch ON
    unlockDoor();
  } else { // Jika switch OFF
    lockDoor();
  }
}

void setup() {
  Serial.begin(115200);

  // Inisialisasi WiFi dan Blynk
  Blynk.begin(auth, ssid, pass);

  // Inisialisasi relay
  pinMode(relay1, OUTPUT);

  // Inisialisasi servo
  myServo.attach(servoPin);

  // Inisialisasi buzzer
  pinMode(buzzerPin, OUTPUT);

  // Set default posisi pintu terkunci
  lockDoor();
}

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

void unlockDoor() {
  locked = false;
  myServo.write(unlockPosition);
  Serial.println("Pintu: Terbuka");
  Blynk.virtualWrite(V0, 1); // Update switch Blynk ke ON
  playBuzzer(2);            // Buzzer berbunyi dua kali
}

void lockDoor() {
  locked = true;
  myServo.write(lockPosition);
  Serial.println("Pintu: Terkunci");
  Blynk.virtualWrite(V0, 0); // Update switch Blynk ke OFF
  playBuzzer(1);            // Buzzer berbunyi sekali
}

// Fungsi untuk mengontrol bunyi buzzer
void playBuzzer(int times) {
  for (int i = 0; i < times; i++) {
    digitalWrite(buzzerPin, HIGH);
    delay(200);
    digitalWrite(buzzerPin, LOW);
    delay(200);
  }
}