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

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

WiFiClient espClient; //Cria um objeto espClient que consegue conectar a um IP de internet especifico
PubSubClient client(espClient);


void setup_wifi() { //Conectar ao wifi

  delay(10);
  // We start by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.mode(WIFI_STA); //ele irá se conectar a uma rede Wi-Fi existente, atuando como cliente.
  WiFi.begin(ssid, password); //Inicializa a biblioteca WiFi

  while (WiFi.status() != WL_CONNECTED) { //verificar se foi conectado ao WiFi
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void reconnect() {
  
  while (!client.connected()) {
    Serial.print("Conectando ao MQTT...");
    if (client.connect("espClient")) {
      Serial.println("Conectado ao MQTT");
    } else {
      Serial.print("Falha ao Conectar com o MQTT");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}

void setup() {
  pinMode(2, OUTPUT);     // Initialize the BUILTIN_LED pin as an output
  pinMode(15, OUTPUT);
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
}

void Conexao_WIFI(){
  if(WiFi.status())
  digitalWrite(2, HIGH);
  else
  digitalWrite(2, LOW);
}

void Conexao_MQTT(){
  if(client.connected())
  digitalWrite(15, HIGH);
  else
  digitalWrite(15, LOW);
}

void Publica_dados(){
  int Valor_Pot;
  Valor_Pot = analogRead(34);
  client.publish("TOPICO_WOKWI", String(Valor_Pot).c_str());
  delay(1000);
}
void loop() {
  reconnect();
  Conexao_WIFI();
  Conexao_MQTT();
}