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

// connection
const char *ssid = "Wokwi-GUEST";
const char *pwd = "";

const int DHT_PIN = 13;

DHTesp dhtSensor;

String serverName = "https://api.thingspeak.com/update?api_key=TRZKJ5F9T0ZOJSH1";

// 
long lastTime = 0;
long timerDelay = 500;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Serial.println("Hello, ESP32!");

  WiFi.begin(ssid, pwd);

  while(WiFi.status() != WL_CONNECTED)
  {
    delay(500);
    Serial.print("-");
  }

  Serial.println("");
  Serial.println("ESP 32 Connected");
  Serial.println(WiFi.localIP());
}

void SendData(int temp, int hum){
  HTTPClient http; // init http client

  // definisi url
  String url = serverName + "&field1=" + temp + "&field2=" + hum;
  Serial.println("url: " + String(url));

  // send HTTP request
  http.begin(url.c_str());

  // cek status data
  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();
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");

  if( (millis() - lastTime) > timerDelay){
    if( WiFi.status() == WL_CONNECTED){
      SendData(data.temperature,data.humidity);
      Serial.println("Data Terkirim");
    }    
  }
  else{
    Serial.println("Disconnect");
  }

  lastTime = millis();
}