#define BLYNK_TEMPLATE_ID "TMPL6CCornDOa"
#define BLYNK_TEMPLATE_NAME "Control lamp"
#define BLYNK_AUTH_TOKEN "IE1geStf6IFY3-RN4WKmIv1gCcsiGK3Q"

#define BLYNK_PRINT Serial

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

// WiFi credentials
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// DHT22 setup
#define DHTPIN 12  // DHT22 sensor connected to pin 12
#define DHTTYPE DHT22  // DHT 22 (AM2302)

// Create a DHT object
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);

  // Initialize pins for outputs
  pinMode(15, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(4, OUTPUT);

  // Initialize DHT sensor
  dht.begin();

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

void loop() {
  Blynk.run();

  // Read temperature and humidity every second
  static unsigned long lastDHTCheck = 0;
  unsigned long currentMillis = millis();

  if (currentMillis - lastDHTCheck >= 1000) {
    lastDHTCheck = currentMillis;

    // Reading temperature and humidity values
    float temperature = dht.readTemperature();
    float humidity = dht.readHumidity();

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

    // Send temperature and humidity to Blynk
    Blynk.virtualWrite(V4, temperature); // Send temperature to Virtual Pin V4
    Blynk.virtualWrite(V5, humidity);    // Send humidity to Virtual Pin V5

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