// https://sgp1.blynk.cloud/dashboard/450351/settings/organization-settings


#define BLYNK_PRINT Serial
/*
#define BLYNK_TEMPLATE_ID "TMPLPmOtjTT5"
#define BLYNK_DEVICE_NAME "#LAMPU"
#define BLYNK_AUTH_TOKEN "nARY0FEkmAHDMTrIS2YC7mW9kps4zVpP"
*/

#define BLYNK_TEMPLATE_ID           "TMPL64pzfqp7r"
#define BLYNK_TEMPLATE_NAME         "Quickstart Template"
#define BLYNK_AUTH_TOKEN            "EvLtx-Q-8gvsrUvBVxWKydKQb2F_AqC0"
#include "DHT.h"
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

#define DHTPIN 21                              // Digital pin connected to the DHT sensor
#define DHTTYPE DHT22                          // DHT 22  (AM2302), AM2321
#define LED1 13  // Merah
#define LED2 12  // Kuning
#define LED3 14  // Hijau
int SW_State_M = 0;
int SW_State_K = 0;
int SW_State_H = 0;
unsigned long currentTime;                     // elapsed time

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

BLYNK_WRITE (V0)
{
  SW_State_M = param.asInt();
  Serial.println(SW_State_M);
  if (SW_State_M == 1)
  {
    digitalWrite(LED1, HIGH);
    Serial.println("RED ON");
    Blynk.virtualWrite(V1, 1);
  }else if(SW_State_M == 2){
    digitalWrite(LED2, HIGH);
    Serial.println("YELLOW ON");
    Blynk.virtualWrite(V1, 2);
  }else if(SW_State_M == 3){
    digitalWrite(LED3, HIGH);
    Serial.println("GREEN ON");
    Blynk.virtualWrite(V1, 3);
  }
  else
  {
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW);
    Serial.println("ALL LED OFF");
    Blynk.virtualWrite(V1, 0);
    Blynk.virtualWrite(V1, 0);
    Blynk.virtualWrite(V1, 0);
  }
}

void readSensorDHT(float&, float& , float&);

void setup()
{
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  dht.begin();
  currentTime = millis();
}

void loop()
{
  Blynk.run();
  timer.run();
       
  if (millis()-currentTime > 1000 ){     // Read the value of the temperature sensor once per second and set the state.  
      float h, t, f;
      readSensorDHT(h, t, f);
      currentTime = millis();
      Blynk.virtualWrite(V4, t);
      Blynk.virtualWrite(V2, currentTime);
  }
}

void readSensorDHT(float& humidity, float& temperatureCelsius, float& temperatureFahrenheit) {
  humidity = dht.readHumidity();                       // Read humidity from sensor
  temperatureCelsius = dht.readTemperature();          // Read temperature from sensor
  temperatureFahrenheit = dht.readTemperature(true);   // Switch temperature unit to Fahrenheit
  

  if (isnan(humidity) || isnan(temperatureCelsius) || isnan(temperatureFahrenheit)) {   // Check if any reads failed and exit early (to try again).
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }


}