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

// Configuração WiFi
const char* ssid = "Wokwi-GUEST";
const char* senha = "";

// Configuração MQTT
const char* mqttServer = "mqtt-dashboard.com";
const int mqttPort = 1883;
const char* mqttClientID = "ESP32_Client253";

WiFiClient espClient;
PubSubClient mqttClient(espClient);

// Conectar ao WiFi
void connectToWiFi() {
  WiFi.begin(ssid, senha);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\nWiFi conectado! IP: " + WiFi.localIP().toString());
}

// Conectar ao broker MQTT
void connectToMQTT() {
  mqttClient.setServer(mqttServer, mqttPort);
  while (!mqttClient.connected()) {
    if (mqttClient.connect(mqttClientID)) {
      Serial.println("Conectado ao MQTT!");
    } else {
      Serial.println("Falha na conexão MQTT. Tentando novamente...");
      delay(2000);
    }
  }
}

void setup() {
  Serial.begin(9600);
  connectToWiFi();
  connectToMQTT();
}

void loop() {
  if (!mqttClient.connected()) {
    connectToMQTT();
  }
  mqttClient.loop();

  mqttClient.publish("ifms/iot253", "Conectado com sucesso");
  //mqttClient.subscribe("ifms/iot");

  delay(5000);
}