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

#define sen 12;
#define buz 13;

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* host = "api.thingspeak.com";
const char* APIkeyWrite = "Y0NQQSBEDU4OTCBB";

DHT dht(DHTPIN, DHTTYPE);

void setup() 
{
pinMode(buz, OUTPUT);
pinMode(sen, INPUT);

setup_wifi();
dht.begin();
}

void loop()
{
			if (WiFi.status() == WL_CONNECTED)
			digitalWrite(led, HIGH);
			else
			digitalWrite(led, LOW);
			
        WiFiClient client;
        const int httpPort = 80;
          if (!client.connect(host, httpPort))
          {
          return;
          }

float humidity = dht.readHumidity();
float temperature = dht.readTemperature();
    
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.println("%");
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println("°C");

      String url = "/update?api_key=";
      url += APIkeyWrite;
      url += "&field1=";
      url += String(humidity);
      url += "&field2=";
      url += String(temperature);
      url += "\r\n";
      Serial.println(url);
	  
      String endereco = String("GET ") + url + " HTTP/1.1\r\n" +
      "Host: " + host + "\r\n" + "Connection: close\r\n\r\n";
      Serial.println(endereco);
      client.print(endereco);

delay(6000);
}

void setup_wifi() 
{
  Serial.begin(9600);
  Serial.print("Conectando-se ao Wi-Fi");
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) 
    {
    delay(100);
    Serial.print(".");
    }
  Serial.println(" Conectado!");
}

void reconnect() 
{
    while (!client.connected()) {
        Serial.print("Attempting MQTT connection...");
        String clientId = "ESP32Client-";
        clientId += String(random(0xffff), HEX);

        if (client.connect(clientId.c_str())) {
            Serial.println("connected");
            client.subscribe("esp32/rega");
            Serial.println("Subscribed to esp32/rega");
        } else {
            Serial.print("failed, rc=");
            Serial.print(client.state());
            Serial.println(" try again in 5 seconds");
            delay(5000);
        }
    }
}