#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif
#include "ThingsBoard.h"
#include <PubSubClient.h>
#include "DHTesp.h"

//DHT Setup
const int DHT_PIN = 15;
DHTesp dhtSensor;


#define LDR 36
const float GAMMA = 0.7;
const float RL10 = 50;

const char *ssid = "Wokwi-GUEST";
const char *password = "";

#define TOKEN "wuu2V0eY3MBSl6gGchWc" //Access token of device Display
const char* mqtt_server = "thingsboard.cloud";

WiFiClient wifiClient;
PubSubClient client(wifiClient);
int status = WL_IDLE_STATUS;
void setup()
{
  Serial.begin(9600);
  delay(10);
  pinMode(LDR, INPUT);
  Serial.print(" Connect to : ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);
//  WiFi.config(IP, NETWORK, NETMASK, DNS);
  while (WiFi.status() != WL_CONNECTED)
{
  delay(500);
  Serial.print("...");
}
Serial.print("\n");
Serial.print("IP address : ");
Serial.print(WiFi.localIP());
Serial.print("\n");
Serial.print("Connect to : ");
Serial.println(ssid);    
client.setServer( mqtt_server, 1883);
// client.setCallback(callback);
}

void loop()
{
if ( !client.connected() ) 
{
    reconnect();
}
getData();
  delay(5000);
}

void getData()
{
  int analogValue = analogRead(36);
  float voltage = analogValue * 5/4095.0;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  Serial.print("Lux: ");
  Serial.println(lux);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.print("Suhu : ");
  Serial.print(data.temperature);
  Serial.print(" Kelembaban : ");
  Serial.println(data.humidity);

  String payload1 = "{";
  payload1 += "\"Intensitas Cahaya\":";payload1 += lux;
  payload1 += "}";

  char attributes1[1000];
  payload1.toCharArray( attributes1, 1000 );
  client.publish( "v1/devices/me/data",attributes1);
  Serial.println( attributes1 ); 

  String payload2 = "{";
  payload2 += "\"Suhu\":";payload2 += data.temperature;
  payload2 += "}";

  char attributes2[1000];
  payload2.toCharArray( attributes2, 1000 );
  client.publish( "v1/devices/me/data",attributes2);
  Serial.println( attributes2 ); 

  String payload3 = "{";
  payload3 += "\"Kelembapan\":";payload3 += data.humidity;
  payload3 += "}";

  char attributes3[1000];
  payload3.toCharArray( attributes3, 1000 );
  client.publish( "v1/devices/me/data",attributes3);
  Serial.println( attributes3 ); 

}

void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    status = WiFi.status();
    if ( status != WL_CONNECTED) {
      WiFi.begin(ssid, password);
      while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
      }
      Serial.println("Connected to AP");
    }
    Serial.print("Connecting to ThingsBoard node ...");
    // Attempt to connect (clientId, username, password)
    if ( client.connect("3a90f960-1ad1-11ed-b480-cbe4cea4aa70", TOKEN, "") ) {
      Serial.println( "[DONE]" );
    } else {
      Serial.print( "[FAILED] [ rc = " );
      Serial.println( " : retrying in 5 seconds]" );
      delay( 500 );
    }
  }
}