#include <WiFi.h>
#include <PubSubClient.h>
#include <OneWire.h>
#include <DallasTemperature.h>

#define ONE_WIRE_BUS 4
#define MQTT_BROKER "broker.mqttdashboard.com"
#define MQTT_PORT 1883
#define MQTT_TOPIC "Virtus3/temperatura"

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
WiFiClient wifiClient;
PubSubClient client(wifiClient);

void setup() {
  Serial.begin(115200);
  sensors.begin();
  WiFi.begin("Wokwi-GUEST", ""); // Conecte-se à rede Wi-Fi aberta
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Conectado à rede Wi-Fi!");
  client.setServer(MQTT_BROKER, MQTT_PORT);
}

void loop() {
  sensors.requestTemperatures();
  float temperature = sensors.getTempCByIndex(0);

  Serial.print("Temperatura: ");
  Serial.println(temperature);

  if (client.connect("EVirtusClientTest")) {
    client.publish(MQTT_TOPIC, String(temperature).c_str());
    client.disconnect();
    Serial.println("Dados enviados para o broker MQTT!");
  } else {
    Serial.println("Falha na conexão com o broker MQTT.");
  }

  delay(10000); // Envie a cada 10 segundos
}