// #include "DHT.h"
#include <WiFi.h>
#include <ThingsBoard.h>
#include <PubSubClient.h>

#define WIFI_AP "Wokwi-GUEST"
#define WIFI_PASSWORD ""

#define TOKEN "fNJhJkTvm7GRA2VlVjfR"

// Switch
#define switchgg 13
#define led 15

// LCD
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);  

char thingsboardServer[] = "thingsboard.cloud";

WiFiClient wificlient;

// Initialize DHT sensor.
// DHT dht(DHTPIN, DHTTYPE);

ThingsBoard tb(wificlient);

int status = WL_IDLE_STATUS;
unsigned long lastSend;

void setup()
{
  Serial.begin(115200);
  pinMode(switchgg, INPUT_PULLUP);
  pinMode(led, OUTPUT);
  delay(10);
  InitWiFi();
  lastSend = 0;
  lcd.init();                      
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("TEST");
  lcd.setCursor(0,1);
  lcd.print("KODING");
}

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

  if ( millis() - lastSend > 1000 ) { // Update and send only after 1 seconds
    kirimDataKeThingsboard();
    lastSend = millis();
  }

  tb.loop();
}

void kirimDataKeThingsboard()
{
  Serial.println("Collecting temperature data.");
  int nilaiswitch1 = digitalRead((switchgg));
  if (nilaiswitch1 == 1)
  {
    digitalWrite(led,HIGH);
  }  
  else{
    digitalWrite(led, LOW);
  }  
  Serial.println("Sending data to ThingsBoard:");
  Serial.print("Nilai Switch: ");
  Serial.println(nilaiswitch1);
  // Teks 1
  lcd.setCursor(0,0);
  lcd.print("Switch: "+ String(nilaiswitch1));
  lcd.setCursor(0,1);
  lcd.print("INDOBOT");
  delay(2000);
  lcd.clear();

  tb.sendTelemetryFloat("Nilai Switch", nilaiswitch1);
}

void InitWiFi()
{
  Serial.println("Connecting to AP ...");
  // attempt to connect to WiFi network

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


void reconnect() {
  // Loop until we're reconnected
  while (!tb.connected()) {
    status = WiFi.status();
    if ( status != WL_CONNECTED) {
      WiFi.begin(WIFI_AP, WIFI_PASSWORD);
      while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
      }
      Serial.println("Connected to AP");
    }
    Serial.print("Connecting to ThingsBoard node ...");
    if ( tb.connect(thingsboardServer, TOKEN) ) {
      Serial.println( "[DONE]" );
    } else {
      Serial.print( "[FAILED]" );
      Serial.println( " : retrying in 5 seconds]" );
      // Wait 5 seconds before retrying
      delay( 5000 );
    }
  }
}