#if defined(ESP8266)
#include <ESP8266WiFi.h>
#define THINGSBOARD_ENABLE_PROGMEM 0
#elif defined(ESP32) || defined(RASPBERRYPI_PICO) || defined(RASPBERRYPI_PICO_W)
#include <WiFi.h>
#endif

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

constexpr char WIFI_SSID[] = "Wokwi-GUEST";
constexpr char WIFI_PASSWORD[] = "";
constexpr char TOKEN[] = "X8tQx1U5Hjcy9ehYaOsb";
constexpr char THINGSBOARD_SERVER[] = "thingsboard.cloud";
constexpr uint16_t THINGSBOARD_PORT = 1883U;
constexpr uint32_t MAX_MESSAGE_SIZE = 1024U;

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

constexpr uint16_t BLINKING_INTERVAL_MS_MIN = 10U;
constexpr uint16_t BLINKING_INTERVAL_MS_MAX = 60000U;
volatile uint16_t blinkingInterval = 1000U;

/*DEKLARASI LM35*/
#define ADC_VREF_mV    3300.0 // in millivolt
#define ADC_RESOLUTION 4096.0
#define PIN_LM35       34 // ESP32 pin GPIO36 (ADC0) connected to LM35
int     adcVal;
float   milliVolt;
float   tempC;

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() {
  const wl_status_t status = WiFi.status();
  if (status == WL_CONNECTED) {
    return true;
  }
  InitWiFi();
  return true;
}

void setup() {
  Serial.begin(115200);
  InitWiFi();
}

void loop() {
  /*PROGRAM LM35*/
  adcVal = analogRead(PIN_LM35);
  milliVolt = adcVal * (ADC_VREF_mV / ADC_RESOLUTION);
  tempC = milliVolt / 10;


  /*PROGRAM PENGIRIMAN DATA KE THINGSBOARD*/
  if (!reconnect()) {
    return;
  }
  if (!tb.connected()) {
    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;
    }
    tb.sendAttributeData("macAddress", WiFi.macAddress().c_str());
    Serial.println("Subscribing for RPC...");
    Serial.println("Subscribe done");
  }

  tb.sendTelemetryData("temperature", tempC);
  tb.loop();

  Serial.println(tempC);
}