#define BLYNK_TEMPLATE_ID "TMPL6q5Ps8Hll"
#define BLYNK_TEMPLATE_NAME "Control Lamp"
#define BLYNK_AUTH_TOKEN "Nkhum89UHk1_UuDZUvTZYp2P_dV-5ihL"

#define BLYNK_PRINT Serial

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

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

// DHT22 sensor
#define DHTPIN 12  // Pin connected to DHT22
#define DHTTYPE DHT22

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()
{
  // Debug console
  Serial.begin(115200);

  // Set pin modes
  pinMode(15, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(4, OUTPUT);

  // Initialize DHT22
  dht.begin();

  // Connect to Blynk
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
}

void loop()
{
  Blynk.run();

  // Read temperature and humidity from DHT22
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  // Check if reading is valid
  if (!isnan(humidity) && !isnan(temperature)) {
    // Send data to Blynk
    Blynk.virtualWrite(V5, temperature);
    Blynk.virtualWrite(V4, humidity);
  } else {
    Serial.println("Failed to read from DHT sensor!");
  }

  delay(2000); // Wait 2 seconds before reading again
}