#define BLYNK_TEMPLATE_ID "TMPL66tob5-9t"
#define BLYNK_TEMPLATE_NAME "UJIAN SAS IOT ADYARAKA NURFALAH R"
#define BLYNK_AUTH_TOKEN "cyU-gsBxUie9WSp5HsYLPScwJ29kcQj5"

#define BLYNK_PRINT Serial

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

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

#define DHTPIN 21
#define DHTTYPE 22
DHT dht(DHTPIN, DHTTYPE);

const int LED1 = 12;
const int LED2 = 13;
const int LED3 = 14;
const int LED4 = 27;

int pinValueV0 = 0; // To store the state for V0
int pinValueV1 = 0; // To store the state for V1

void setup() {
  Serial.begin(115200);
  delay(100);
  Blynk.begin(auth, ssid, pass);
  dht.begin();
  
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED4, OUTPUT);
}

void loop() {
  Blynk.run();
  SensorDHT();
  controlLEDs();
}

// Read temperature from DHT sensor
void SensorDHT() {
  float suhu = dht.readTemperature();

  if (isnan(suhu)) {
    Serial.println("Gagal membaca sensor DHT");
    return;
  }
  Blynk.virtualWrite(V4, suhu);  // Send temperature data to Blynk app
}

// Control LEDs based on V0 and V1 state
void controlLEDs() {
  if (pinValueV0 == 1) {  // If V0 is active
    // Blink LED 1 and LED 2 alternatively
    digitalWrite(LED1, HIGH);
    Serial.println("LED 1 menyala");
    delay(1000);
    digitalWrite(LED2, LOW);
    Serial.println("LED 2 mati");
    delay(1000);
    digitalWrite(LED1, LOW);
    Serial.println("LED 1 mati");
    delay(1000);
    digitalWrite(LED2, HIGH);
    Serial.println("LED 2 menyala");
    delay(1000);
  } else {  // If V0 is not active
    digitalWrite(LED1, LOW);
    Serial.println("LED 1 mati");
    digitalWrite(LED2, LOW);
    Serial.println("LED 2 mati");
  }

  if (pinValueV1 == 1) {  // If V1 is active
    // Turn on LED 3 and LED 4
    digitalWrite(LED3, HIGH);
    Serial.println("LED 3 menyala");
    digitalWrite(LED4, HIGH);
    Serial.println("LED 4 menyala");
  } else {  // If V1 is not active
    digitalWrite(LED3, LOW);
    Serial.println("LED 3 mati");
    digitalWrite(LED4, LOW);
    Serial.println("LED 4 mati");
  }
}

// Update pin value for V0
BLYNK_WRITE(V0) {
  pinValueV0 = param.asInt();  // Update pinValueV0 with the state of V0
}

// Update pin value for V1
BLYNK_WRITE(V1) {
  pinValueV1 = param.asInt();  // Update pinValueV1 with the state of V1
}