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

#define pinDht 15
DHTesp dhtSensor;

#define WIFI_AP "Wokwi-GUEST"
#define WIFI_PASS ""

#define TB_SERVER "thingsboard.cloud"
#define TOKEN "504banlh865p83ytqlqj"

constexpr uint16_t MAX_MESSAGE_SIZE = 128U;

WiFiClient espClient;
Arduino_MQTT_Client mqttClient(espClient);
ThingsBoard tb(mqttClient, MAX_MESSAGE_SIZE);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  dhtSensor.setup(pinDht, DHTesp::DHT22);
  initWifi();
}

void loop() {

  if(WiFi.status()!=WL_CONNECTED){
    initWifi();
  }

  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  float temp = data.temperature;
  int hum = data.humidity;

  Serial.println(temp);
  Serial.println(hum);

  if(!tb.connected()){
    Serial.println("Conectando al servidor");
    if(!tb.connect(TB_SERVER,TOKEN)){
      Serial.println("No se pudo conectar");
      return;
    }
  }else{
    Serial.println("conectado al servidor");
  }
  bool sendTelemetryJson(const char *json);
  String jsonData = "{\"temperature\":" + String(temp) + ", \"humidity\":" + String(hum) + "}";

  tb.sendTelemetryJson(jsonData.c_str());

  Serial.println("Data sended");

  delay(3000);

  tb.loop();
}

void initWifi(){
  Serial.println("cargando...");
  while(WiFi.status()!=WL_CONNECTED){
    WiFi.begin(WIFI_AP,WIFI_PASS,6);
    Serial.println(".");
    delay(500);
  }

  Serial.println("Conectado");
}