#include <WiFi.h>
#include <HTTPClient.h>
#include "DHT.h"

// Konfigurasi WiFi
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// Konfigurasi Ubidots
const char *UBIDOTS_TOKEN = "BBUS-zvOG4gGHAJoxjGQF7Hi4PrXzizO2Xn";
const char *DEVICE_LABEL = "esp32-dht22"; // Nama perangkat di Ubidots
const char *VARIABLE_LABEL = "temperature";  // Nama variabel di Ubidots
const char *VARIABLE_LABEL2 = "humidity"; 

// Konfigurasi DHT22
#define DHTPIN 23         // Pin GPIO tempat DHT22 terhubung
#define DHTTYPE DHT22     // Jenis DHT (DHT22)
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  
  // Inisialisasi WiFi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\nConnected to WiFi");

  // Inisialisasi DHT
  dht.begin();
}

void loop() {
  // Baca data suhu dan kelembaban dari DHT22
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Periksa apakah pembacaan berhasil
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Kirim data ke Ubidots
  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;

    // URL untuk POST data
    String url = "http://industrial.api.ubidots.com/api/v1.6/devices/" + "esp32-dht22";
    http.begin(url.c_str());

    // Set header dan token
    http.addHeader("Content-Type", "application/json");
    http.addHeader("X-Auth-Token", "BBUS-zvOG4gGHAJoxjGQF7Hi4PrXzizO2Xn");

    // Data JSON yang dikirim
    String payload = "{\"" + temperature + "\": " + String(temperature) + ", \"humidity\": " + String(humidity) + "}";
    int httpResponseCode = http.POST(payload);

    // Cek respon dari server
    if (httpResponseCode > 0) {
      Serial.println("Data sent successfully!");
      Serial.println(httpResponseCode);
      Serial.println(http.getString());
    } else {
      Serial.print("Error sending data: ");
      Serial.println(httpResponseCode);
    }

    http.end();  // Mengakhiri koneksi HTTP
  }

  // Tunggu 10 detik sebelum pembacaan dan pengiriman data selanjutnya
  delay(10000);
}