#define BLYNK_TEMPLATE_ID "TMPL6W40W9zKH"
#define BLYNK_TEMPLATE_NAME "ControlLamp"
#define BLYNK_AUTH_TOKEN "5a6LkGMuJ8bAF7ol0vg7cFsbZ57lc5wB"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

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

#define DHTPIN 12 // DHT22 data pin
#define DHTTYPE DHT22 // DHT 22 (AM2302)

DHT dht(DHTPIN, DHTTYPE);

BLYNK_WRITE(V1)
{
  int value = param.asInt();
  digitalWrite(15, value);
}

BLYNK_WRITE(V2)
{
  int value = param.asInt();
  digitalWrite(2, value);
}

BLYNK_WRITE(V3)
{
  int value = param.asInt();
  digitalWrite(4, value);
}

void setup()
{
  Serial.begin(115200);

  pinMode(15, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(4, OUTPUT);

  dht.begin();

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
}

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

void sendSensor()
{
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Send temperature and humidity to Blynk virtual pins
  Blynk.virtualWrite(V4, temperature);
  Blynk.virtualWrite(V5, humidity);

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C, Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");
}