#include "HX711.h"
#define BLYNK_TEMPLATE_ID "TMPL6NrxAkF5n"
#define BLYNK_TEMPLATE_NAME "Little Boy"
#define BLYNK_AUTH_TOKEN "PHB6dJpHx31s58pDH7NdN-qCOROtQ04J"
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

const int load_cell=5;
const int load_sck=4;
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan

#define DHTPIN 2 // Mention the digital pin where you connected
#define DHTTYPE DHT22 // DHT 11
DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;
HX711 scale;
const float BERAT_BARANG = 0.5;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  scale.begin(load_cell,load_sck);
  dht.begin();
  
  Blynk.begin(auth, ssid, pass);
  // You can also specify server:
  //Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080);
  timer.setInterval(100L, sendSensor);
}

void loop() {
  Blynk.run();
  timer.run();
}

void sendSensor() {
  if(scale.is_ready()){
    scale.set_scale();
    Serial.println("Tare_remove_weights");
    delay(5000);
    scale.tare();
    Serial.println("Tare done...");
    Serial.println("Now put weight..");
    delay(5000);
    long reading =scale.get_units(10);
    long w = reading/419.8;
    long jumlah_barang = w/BERAT_BARANG;
    Serial.print("jumlah barang");
    Serial.println(jumlah_barang);

    if (jumlah_barang == 0){
      Blynk.logEvent("barang_event");
      Serial.println("Stok Habis");
    }
    Blynk.virtualWrite(V0, jumlah_barang);

  }
  float h = dht.readHumidity();
  float t = dht.readTemperature(); 
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  Blynk.virtualWrite(V1, t);
  Blynk.virtualWrite(V2, h);
  Serial.print("Temperature : ");
  Serial.print(t);
  Serial.print(" Humidity : ");
  Serial.println(h);

  if (t > 20 || h > 50) {
    if (t > 20 && h > 50) {
      Blynk.logEvent("premium_event");
    } else {
      if (t > 20) {
        Blynk.logEvent("suhu_event");
        Serial.println("Suhu melebihi batas wajar periksa inventori anda");
      }
      if (h > 50) {
        Blynk.logEvent("hum_event");
        Serial.println("Kelembaban melebihi batas wajar periksa inventori anda");
      }
    }
  }
}