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

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

#define DHTPIN 15 
#define DHTTYPE DHTesp::DHT22 

DHTesp dht;

void setup() 
{
  dht.setup(DHTPIN, DHTTYPE);

  Serial.begin(115200);
  WiFi.begin(ssid, password, 6);
  
  while (WiFi.status() != WL_CONNECTED) 
  {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }

  Serial.println("Successfully connected to the WiFi ");
}

void loop() 
{
  TempAndHumidity  data = dht.getTempAndHumidity();

  if (isnan(data.humidity) || isnan(data.temperature)) 
  {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  if(WiFi.status()== WL_CONNECTED)
  {
    HTTPClient http;
    
    StaticJsonDocument<200> doc;
    doc["temperature"] = data.temperature; 
    doc["humidity"] = data.humidity;
    doc["name"] = "OleksandrH";
    doc["date"] = "05-23-2024";

    String output;
    serializeJson(doc, output);

    String url = "http://dweet.io/dweet/for/KNUS-11-05";
    http.begin(url);
    http.addHeader("Content-Type", "application/json");
    int httpCode = http.POST(output);

    if (httpCode > 0) 
    { 
      String payload = http.getString();
      Serial.println(payload);
    } 
    else 
    {
      Serial.println("Error on HTTP POST request");
    }

    http.end(); 
  } 
  else 
  {
    Serial.println("Error in WiFi connection");
  }

  delay(5000); 
}