#define BLYNK_TEMPLATE_ID "TMPL6yIfwHFlX"
#define BLYNK_TEMPLATE_NAME "ESP32 DHT22"
#define BLYNK_AUTH_TOKEN "DwoLClpMe4_dpxIsQi_dA_vGDNwgm_9M"

#define BLYNK_PRINT Serial

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

char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan

#define DHTPIN 12         // Mention the digital pin where you connected 
#define DHTTYPE DHT22     // DHT 22
#define LED1PIN 25        // Pin for LED1
#define LED2PIN 26        // Pin for LED2

DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;

void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  
  dht.begin();
  timer.setInterval(2500L, sendSensor);
  
  pinMode(LED1PIN, OUTPUT);
  pinMode(LED2PIN, OUTPUT);
}

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

void sendSensor() {
  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, h);
  Blynk.virtualWrite(V0, t);
  Serial.print("Temperature : ");
  Serial.print(t);
  Serial.print("    Humidity : ");
  Serial.println(h);

  // Control LED1 based on temperature
  if (t > 25) {
    digitalWrite(LED1PIN, HIGH);
    Serial.println("LED1 ON (Temp > 25C)");
  } else {
    digitalWrite(LED1PIN, LOW);
    Serial.println("LED1 OFF (Temp <= 25C)");
  }

  // Control LED2 based on humidity
  if (h > 50) {
    digitalWrite(LED2PIN, HIGH);
    Serial.println("LED2 ON (Humidity > 50%)");
  } else {
    digitalWrite(LED2PIN, LOW);
    Serial.println("LED2 OFF (Humidity <= 50%)");
  }

  if (t > 30) {
    Blynk.logEvent("temp_alert", "Temp above 30 degrees");
  }
}