#include <WiFi.h>
#include <Arduino_MQTT_Client.h>
#include <ThingsBoard.h>

constexpr char WIFI_SSID[] = "Wokwi-GUEST";
constexpr char WIFI_PASSWORD[] = "";

constexpr char TOKEN[] = "5tuDCcK0o3QUZ0X2axTM";
constexpr char THINGSBOARD_SERVER[] = "demo.thingsboard.io";
constexpr uint16_t THINGSBOARD_PORT = 1883U;
constexpr uint32_t MAX_MESSAGE_SIZE = 1024U;
constexpr uint32_t SERIAL_DEBUG_BAUD = 115200U;
constexpr size_t MAX_ATTRIBUTES = 2U;

WiFiClient wifiClient;
Arduino_MQTT_Client mqttClient(wifiClient);
ThingsBoardSized<Default_Fields_Amount, Default_Subscriptions_Amount, MAX_ATTRIBUTES> tb(mqttClient, MAX_MESSAGE_SIZE);

constexpr char LED[] = "LED";


void InitWiFi() {
  Serial.println("Connecting to AP ...");
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to AP");
}

const bool reconnect() {
  // Check to ensure we aren't connected yet
  const wl_status_t status = WiFi.status();
  if (status == WL_CONNECTED) {
    return true;
  }
  InitWiFi();
  return true;
}
int state = 0;
void setup() {
  Serial.begin(SERIAL_DEBUG_BAUD);
  pinMode(2, OUTPUT);
  InitWiFi();
}

void loop() {
  if (!reconnect()) {
    return;
  }
  if (!tb.connected()) {
    // Connect to the ThingsBoard
    Serial.print("Connecting to: ");
    Serial.print(THINGSBOARD_SERVER);
    Serial.print(" with token ");
    Serial.println(TOKEN);
    if (!tb.connect(THINGSBOARD_SERVER, TOKEN, THINGSBOARD_PORT)) {
      Serial.println("Failed to connect");
      return;
    }
    Serial.print("Connected");
  }
 
 digitalWrite(2,state);
 tb.sendTelemetryData(LED,state);
 tb.sendTelemetryData("temperature",random(10,20));
 delay(1000);
 state = !state;

 tb.loop();
}