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

const int ledPin = 27;
const int buttonPin = 26;
int buttonState = 0;
//14_08_2024
//dash 14_08_2024

const char* ssid = "Wokwi-GUEST"; ///  wifi ssid 
const char* password = "";

//credenciais da WEG
const char* Broker = "broker.app.wnology.io";
const char* ID = "66bd16dfa393d46d9524c27b";
const char* chave = "b7f5d339-26b7-44e0-8e3a-8b01d3ee6f19";
const char* senha = "909c4ea6d52379df5fde8ec94b47819130d8af01e28fa06ce834dee91892b863";
const char* Topico_PUB = "wnology/66bd16dfa393d46d9524c27b/state";
WiFiClient ESP32_WEG;
PubSubClient client(ESP32_WEG);

void setup_wifi() {

  delay(10);
  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(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
}
void reconnect() {
    while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
        if (client.connect("ESP32_WEG")) {
      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);     // Initialize the BUILTIN_LED pin as an output
  Serial.begin(115200);
   setup_wifi();
  client.setServer(Broker, 1883);
  client.connect(ID, chave, senha);
  pinMode(ledPin, OUTPUT);

  pinMode(buttonPin, INPUT);
  }
void conexao_WEG()
{
  if((WiFi.status() == WL_CONNECTED))
        digitalWrite(2, HIGH);
  else
       digitalWrite(2, LOW);
}
void EnviaWEG ()
{
int ledPin = digitalRead(27); // Lê o estado do pino 2
int buttonPin = digitalRead(26); // Lê o estado do pino 2

  String payload = "{";        //início da mensagem
  payload += "\"data\":{";     //"data" local para armazenar os dados na plataforma wegnology
  payload += "\"ledPin\":";    //Atibuto que criou na WEGnology":
  payload += ledPin;            //Variável que armazena o valor que será atribuído ao atributo
  payload += ","; 
  payload += "\"buttonPin\":";    //Atibuto que criou na WEGnology":
  payload += buttonPin;            //Variável que armazena o valor que será atribuído ao atributo
  payload += "";                //Envio do caracter " (aspas) para finalizar o envio de uma string
  payload += "}";               //Finalização dos itens dentro do local "data"
  payload += "}";               //final da mensagem

  Serial.println(payload);

  client.publish(Topico_PUB,(payload).c_str());
  delay(1000);
}

void loop() { 
 buttonState = digitalRead(buttonPin);
 if (buttonState == HIGH) {
 
  digitalWrite(ledPin, HIGH);
  }
    else
  {
    digitalWrite(ledPin, LOW);
  }
  EnviaWEG ();
  conexao_WEG();
  reconnect();
 }