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

#define DHTPIN 5           // Pin DHT11
#define DHTTYPE DHT11      // Tipe DHT
#define TRIG_PIN 2         // Pin Trig Ultrasonik
#define ECHO_PIN 4         // Pin Echo Ultrasonik
#define LDR_PIN 34         // Pin LDR
#define SERVO_PIN 13       // Pin Servo

DHT dht(DHTPIN, DHTTYPE);
Servo windowServo;

#define BLYNK_TEMPLATE_ID "TMPL6zW5IkO3R"
#define BLYNK_TEMPLATE_NAME "SMART WINDOW"
#define BLYNK_AUTH_TOKEN "d-p44BSfj04fQTZFSyOdrCHwjhb1e4JV"

// Koneksi Wi-Fi
char ssid[] = "Wokwi-GUEST"; 
char pass[] = ""; 

void setup() {
  Serial.begin(115200);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass); // Menghubungkan ke Blynk
  dht.begin();
  
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  windowServo.attach(SERVO_PIN); // Menghubungkan motor servo
}

void loop() {
  Blynk.run();
  
  // Bacaan DHT11
  float h = dht.readHumidity();
  float t = dht.readTemperature();

  // Bacaan LDR
  int ldrValue = analogRead(LDR_PIN);

  // Bacaan Ultrasonik
  long duration, distance;
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  duration = pulseIn(ECHO_PIN, HIGH);
  distance = (duration * 0.034) / 2; // Menghitung jarak dalam cm

  // Kirim data ke Blynk
  Blynk.virtualWrite(V0, h);          // Kelembapan
  Blynk.virtualWrite(V1, t);          // Suhu
  Blynk.virtualWrite(V2, ldrValue);   // Nilai LDR
  Blynk.virtualWrite(V3, distance);   // Jarak

  // Debugging
  Serial.print("Suhu: ");
  Serial.println(t);
  Serial.print("Kelembapan: ");
  Serial.println(h);
  Serial.print("Nilai LDR: ");
  Serial.println(ldrValue);
  Serial.print("Jarak: ");
  Serial.println(distance);

  // Mengontrol motor servo berdasarkan jarak
  if (distance < 30) { // Jika ada objek dalam jarak 30 cm
    windowServo.write(0); // Tutup jendela
  } else {
    windowServo.write(90); // Buka jendela
  }

  delay(2000); // Pembacaan setiap 2 detik
}