#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6OpyGpZCs"
#define BLYNK_TEMPLATE_NAME "Praktik IoT"
#define BLYNK_AUTH_TOKEN "RK9wuwWovi1FtIWQOmA3JNrYuWqGUu6j"

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

#define numLeds 13
int ledPins[numLeds] = {15, 2, 4, 5, 18, 19, 21, 22, 23, 25, 26, 32, 33};
int currentIndex = 0;  // Indeks LED yang akan diatur berikutnya
bool isAnimating = false;

char auth[] = "RK9wuwWovi1FtIWQOmA3JNrYuWqGUu6j";
const char *ssid = "Wokwi-GUEST";
const char *pass = "";

BlynkTimer timer;

void setup()
{
  for (int i = 0; i < numLeds; i++) {
    pinMode(ledPins[i], OUTPUT);
  }

  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);

  // Mendaftarkan fungsi animateLeds() ke timer
  timer.setInterval(762, animateLeds);
}

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

BLYNK_WRITE(V0)
{
  // Jika tombol ON ditekan
  if (param.asInt() == 1) {
    isAnimating = true;
    currentIndex = 0;
    // Nyalakan LED pertama
    digitalWrite(ledPins[currentIndex], HIGH);
  } else {
    // Jika tombol OFF ditekan
    isAnimating = false;
    // Matikan semua LED
    for (int i = 0; i < numLeds; i++) {
      digitalWrite(ledPins[i], LOW);
    }
  }
}

void animateLeds() {
  if (isAnimating) {
    // Matikan LED saat ini
    digitalWrite(ledPins[currentIndex], LOW);

    // Pindah ke LED berikutnya
    currentIndex = (currentIndex + 1) % numLeds;

    // Nyalakan LED berikutnya
    digitalWrite(ledPins[currentIndex], HIGH);
  }
}