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


const int DHT_PIN = 15;
DHTesp dhtSensor;

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


String serverName = "https://api.thingspeak.com/update?api_key=PU4VKL1TAI7ZXRBQ";


float hum;
float temp;



void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  // Connecting to Wi-Fi
  initWiFi();
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

}


void loop() {
  if (WiFi.status() == WL_CONNECTED){
    // Read sensor 
    TempAndHumidity  data = dhtSensor.getTempAndHumidity();

    hum = data.humidity;
    temp = data.temperature;
    Serial.print("Temperature:");
    Serial.print(temp);
    Serial.print("\tHumidity:");
    Serial.println(hum);
    sendData(temp,hum);
  }
  else {
    Serial.println("Wifi Disconected");
  }
  delay(5000);
}


void initWiFi() {
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi ..");
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print('.');
    delay(1000);
  }
  Serial.println(WiFi.localIP());
}


// Untuk melakukan pengiriman data to Thingspeak
void sendData(int temp, int hum){
  HTTPClient http; // Inisialisasi HTTP CLient

  String url =  serverName + "&field1=" + temp + "&field2=" + hum;

  http.begin(url.c_str()); // Send HTTP Reques / Inisialisasi
  int httpResponseCode = http.GET(); // Check status data

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