//Tugas Post data Ke Antares pertemuan ke-7 
// Vonny wendry Batch ke-5

#include <WiFi.h>
#include <HTTPClient.h>
#include <DHTesp.h>

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

#define DHTPIN 15
const int pinSensor = A0;
 
 



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

DHTesp dht;


// url endpoint data of device
const char* serverName = "http://platform.antares.id:8080/~/antares-cse/antares-id/smartfactory/Divice_DHT_LDR";

// inisiasi variable 
unsigned long lastTime = 0;
// Setting timer 5 detik
unsigned long timerDelay = 5000;

void setup() {
 // inisiasi serial port
  Serial.begin(115200);

  //inisial Sensor DHT
  dht.setup(DHTPIN, DHTesp::DHT22);
  pinMode(pinSensor, INPUT);

  // inisiasi WiFi Client
  WiFi.begin(ssid, password);
  Serial.println("Connecting");
  while(WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to WiFi network with IP Address: ");
  Serial.println(WiFi.localIP());

  Serial.println("Timer set to 5 seconds (timerDelay variable), it will take 5 seconds before publishing the first reading.");
}  

void loop() {

  //rutin melakukan pengiriman data setiap waktu yang diset
  if ((millis() - lastTime) > timerDelay) {

      int analogValue = analogRead(A0);
      float adc= (analogValue,DEC);

      //menghitung nilai tegangan yang ada pada LDR
      float voltage = analogValue * 5/4095.0; //ESP rangenya 4095 & Arduino 1023
  
      //menghitung nilai resistensi pda DLR
      float resistance = 2000 * voltage / (1 - voltage / 5);

      //Konversi ADC to LUX
      float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA)); //Ketetapan dari LDR (Datasheet) konversi resistance ke LUX
  

     TempAndHumidity data = dht.getTempAndHumidity();

      //extrak temp:
      float temp = data.temperature;
      //extrak kelembapan:
      float hum = data.humidity;



    // mengecek koneksi wifi
    if(WiFi.status()== WL_CONNECTED){
      WiFiClient client;
      HTTPClient http;

      // inisiasi komunikasi http
      http.begin(client, serverName);

      // inisiasi http header
      http.addHeader("X-M2M-Origin", "cc1dbd8f3c780c0f:557797cc7611df64");
      http.addHeader("Content-Type", "application/json;ty=4");
      http.addHeader("Accept", "application/json");
 
     // inisiasi data yang dikirim di restful api
     String httpRequestData ="{\"m2m:cin\": { \"con\": \"{\\\"temp\\\":";
      httpRequestData = httpRequestData + String(temp, 2);
      httpRequestData = httpRequestData + ",\\\"hum\\\":";
      httpRequestData = httpRequestData + String(hum, 2);
      httpRequestData = httpRequestData + ",\\\"adc\\\":";
      httpRequestData = httpRequestData + String(analogValue, DEC);
      httpRequestData = httpRequestData + ",\\\"Vldr\\\":";
      httpRequestData = httpRequestData + String(voltage, 2);
      httpRequestData = httpRequestData + ",\\\"Rldr\\\":";
      httpRequestData = httpRequestData + String(resistance, 2);
      httpRequestData = httpRequestData + ",\\\"lux\\\":";
      httpRequestData = httpRequestData + String(lux, 2);
      httpRequestData = httpRequestData + "} \"}}";

   

    // mengirimkan HTTP POST request
    int httpResponseCode = http.POST(httpRequestData);


      Serial.print("HTTP Response code: ");
      Serial.println(httpResponseCode);

      // menutup koneksi
      http.end();
    }
    else {
      Serial.println("WiFi Disconnected");
    }
    lastTime = millis();
  }
}