#include <WiFi.h>
#include "ThingsBoard.h"
#include <TBPubSubClient.h>

#define LDR 34
#define PIR 3
#define DSI 1

const float GAMMA = 0.7;
const float RL10 = 50;

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

#define TOKEN "vKtmPareOG9VZAizDU13" //akses token
const char* mqtt_server = "thingsboard.cloud";

WiFiClient wifiClient;
PubSubClient client(wifiClient);
int status = WL_IDLE_STATUS;

void setup(){
  pinMode(3, INPUT);
  pinMode(34, INPUT);
  Serial.begin(115200);
  delay(10);
  pinMode(LDR, INPUT);
  Serial.print("Connect to: ");
  Serial.println(ssid);
  WiFi.begin(ssid,password);
  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);

}

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

void getData(){
  int analogValue = analogRead(LDR);
  float voltage = (analogValue/4095)*5;
  float resistance = 2000*voltage / (1-voltage/5);
  float lux = pow(RL10*1e3*pow(10,GAMMA)/resistance, (1/GAMMA));

  int PIR_value = digitalRead(PIR);


  Serial.println(PIR_value);
  Serial.println(analogValue);
  String payload = "{";
  payload += "\"PIR Value\":";
  payload += PIR_value;
  payload += "}";
  payload += PIR_value;
  payload = "{";
  payload += "\"Analog Read Intensitas Cahaya\":";
  payload += analogValue;
  payload = "}";
  payload += analogValue;

  char attributes[1000];
  payload.toCharArray(attributes,1000);
  client.publish("V1/devices/me/telemetry",attributes);
  client.publish("v1/devices/me/attributes",attributes);
  Serial.println(attributes);
}

void reconnect(){
  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 ...");
    if( client.connect("",TOKEN,"")){
      Serial.println("DONE");
    }else{
      Serial.print("[FAILED]");
      Serial.println(" : retrying in 5 seconds");
      delay(5000);
    }
  }
}