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

const int DHTPIN = 12;

const char* ssid = "Wokwi-GUEST";
const char* password = "";

long lastTime = 0;
long timerDelay = 5000; // Delay waktu pengiriman data diubah menjadi 5 detik

String servername = "https://api.thingspeak.com/update?api_key=TMAW8Y43EO98D1W4";

float hum;
float temp;

DHT dht(DHTPIN, DHT22);

void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.print("ESP32 is connected: ");
  Serial.println(WiFi.localIP());
  dht.begin();
}

void loop() {
  if ((millis() - lastTime) > timerDelay) {
    if (WiFi.status() == WL_CONNECTED) {
      hum = dht.readHumidity();
      temp = dht.readTemperature();

      Serial.print("Humidity: ");
      Serial.println(hum);
      Serial.print("Temperature: ");
      Serial.println(temp);

      sendData(temp, hum);
    } else {
      Serial.println("WiFi Disconnected");
    }
    lastTime = millis();
  }
}

void sendData(float temp, float hum) { // Mengubah tipe data parameter menjadi float
  HTTPClient http;

  String url = servername + "&field1=" + String(temp) + "&field2=" + String(hum); // Menambahkan spasi setelah field2=

  http.begin(url.c_str());

  int httpResponseCode = http.GET();

  if (httpResponseCode > 0) {
    Serial.print("HTTP Response Code: ");
    Serial.println(httpResponseCode);
  } else {
    Serial.print("Error Code: ");
    Serial.println(httpResponseCode);
  }
  http.end();
}