//#include <ESP8266WiFi.h>
#include <WiFi.h>
#include <PubSubClient.h>




// credencias para acesso a rede e ao MQTT mosquito
// o nosso broker é o mosquito: broker.mqtt-dashboard.com




const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* mqtt_server = "test.mosquitto.org";








WiFiClient WOKWI_client;
PubSubClient client(WOKWI_client);




// apague esse trecho do codigo
//unsigned long lastMsg = 0;
//#define MSG_BUFFER_SIZE (50)
//char msg[MSG_BUFFER_SIZE];
//int value = 0;




void setup_wifi() {




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




  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);




  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }




  //randomSeed(micros());




  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}












void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
   
    if (client.connect("WOKWI_client")) {
      Serial.println("connected");
     
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}




void setup() {
  pinMode(2, OUTPUT);  
  pinMode(15, OUTPUT);  
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  //client.setCallback(callback);
}




void Conectado_Wifi(){
  if (WiFi.status())
  digitalWrite(2, HIGH);
  else
  digitalWrite(2, LOW);
}
void Conectado_Mosquito(){
  if (client.connected())
  digitalWrite(15, HIGH);
  else
  digitalWrite(15, LOW);
}


void Publica_Dados(){


int Valor_Pot;
Valor_Pot = analogRead(34);
client.publish("TOPICO_WOKWI_B",String(Valor_Pot).c_str());
delay(1000);


}


void loop() {
    reconnect();
    Conectado_Wifi();
    Conectado_Mosquito();
    Publica_Dados();
}