#include <WiFi.h>
#include <PubSubClient.h>
#include <ArduinoJson.h> // Inclua a biblioteca ArduinoJson
#include <Update.h>

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

int k = 0;

// Configurações do ThingsBoard
const char* mqtt_server = "demo.thingsboard.io";
const char* mqtt_token = "vd5NpYwDMOXrtCYZUFfa";

// Pinos dos LEDs

// Pinos Conversor AD

// Variaáveis de Tempo
unsigned long lastSendTime = 0;
const long interval = 2000; // Intervalo de envio em milissegundos (2 segundos)


WiFiClient espClient;
PubSubClient client(espClient);



void setup_wifi() {
  delay(10);
  Serial.println();
  Serial.print("Conectando a ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

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

  Serial.println("");
  Serial.println("WiFi conectado");
  Serial.println("Endereço IP: ");
  Serial.println(WiFi.localIP());
}



void callback(char* topic, byte* payload, unsigned int length) {
  // Converta o payload para uma string
  String message;
  for (unsigned int i = 0; i < length; i++) {
    message += (char)payload[i];
  }
  Serial.print("Mensagem recebida [");
  Serial.print(topic);
  Serial.print("]: ");
  Serial.println(message);

  // Parseie a mensagem JSON
  StaticJsonDocument<200> doc;
  DeserializationError error = deserializeJson(doc, message);
  
  if (error) {
    Serial.print("Erro ao parsear JSON: ");
    Serial.println(error.c_str());
    return;
  }
  
  // Extraia os campos method e params
  const char* method = doc["method"];
  int params = doc["params"];

  Serial.print("Método: ");
  Serial.println(method);
  Serial.print("Parâmetros: ");
  Serial.println(params);
}

void reconnect() {
  while (!client.connected()) {
    Serial.print("Tentando conectar ao MQTT...");
    if (client.connect("ESP32Client", mqtt_token, NULL)) {
      Serial.println("Conectado");
      client.subscribe("v1/devices/me/rpc/request/+");
    } else {
      Serial.print("falhou, rc=");
      Serial.print(client.state());
      Serial.println(" tente novamente em 5 segundos");
      delay(5000);
    }
  }
}

void sendData(int v1, int v2) {

  StaticJsonDocument<200> doc;
  doc["Valor1"] = v1;
  doc["fuelLevel"] = v1;
  doc["temperature"] = v2;

  char buffer[256];
  size_t n = serializeJson(doc, buffer);
  client.publish("v1/devices/me/telemetry", buffer, n);
  // client.publish("v2/devices/me/telemetry", feedbackConstructor.c_str(), n);

}

void setup() {
//  sensor.setup(sensorPin, DHTesp::DHT22);
  Serial.begin(9600);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);


}

void loop() {
  if (!client.connected()) {
    reconnect();
  }
  client.loop();

  unsigned long now = millis();
  if (now - lastSendTime > 500) {
    lastSendTime = now;
    
   // sendData(vetorTeste1[k],vetorTeste2[k]);

    k = k+1;
    if (k>5) {k=2;}
  }

}