#define BLYNK_TEMPLATE_ID "TMPL61od_fOeT"
#define BLYNK_TEMPLATE_NAME "New Template"
#define BLYNK_AUTH_TOKEN "vIFjdSxLrexmEufvwjO56_egDG2HyCfH"

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

// Masukkan informasi WiFi
char ssid[] = "Kania's iPhone (2)";
char pass[] = "Namnam22-";

// Pin untuk LED Built-in ESP32
const int ledPin = LED_BUILTIN; // Pada ESP32, biasanya LED Built-in terhubung ke GPIO 2

// Variabel global
bool powerStatus = false;
int fanSpeed = 0; // Kecepatan kipas (0-3)
unsigned long timerCountdown = 0;
bool timerActive = false;

// Timer untuk Blynk
BlynkTimer timer;

// Fungsi untuk memperbarui LED dan Blynk
void updateFanStatus() {
  digitalWrite(ledPin, powerStatus ? LOW : HIGH); // LED menyala jika powerStatus = true
  Blynk.virtualWrite(V1, powerStatus ? "ON" : "OFF");
  Blynk.virtualWrite(V2, fanSpeed);
  Blynk.virtualWrite(V3, timerActive ? timerCountdown : 0);
  Serial.printf("[Timestamp: %lu ms] Power: %s, Speed: %d, Timer: %s (%lus)\n", 
                millis(), powerStatus ? "ON" : "OFF", fanSpeed, 
                timerActive ? "Active" : "Inactive", timerCountdown);
}

// Tombol Power
BLYNK_WRITE(V0) {
  powerStatus = param.asInt();
  if (!powerStatus) {
    fanSpeed = 0; // Reset kecepatan jika kipas mati
    timerActive = false; // Matikan timer jika kipas mati
  }
  updateFanStatus();
}

// Tombol Speed Up
BLYNK_WRITE(V4) {
  if (powerStatus && fanSpeed < 3) {
    fanSpeed++;
    updateFanStatus();
  }
}

// Tombol Speed Down
BLYNK_WRITE(V5) {
  if (powerStatus && fanSpeed > 0) {
    fanSpeed--;
    updateFanStatus();
  }
}

// Timer untuk pengaturan waktu
BLYNK_WRITE(V6) {
  if (powerStatus) {
    timerCountdown = param.asInt(); // Waktu dalam detik
    timerActive = timerCountdown > 0;
    updateFanStatus();
  }
}

// Fungsi countdown timer
void handleTimer() {
  if (timerActive && timerCountdown > 0) {
    timerCountdown--;
    if (timerCountdown == 0) {
      powerStatus = false;
      fanSpeed = 0;
      timerActive = false;
    }
    updateFanStatus();
  }
}

void setup() {
  // Inisialisasi Serial Monitor
  Serial.begin(115200);

  // Inisialisasi Blynk
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

  // Inisialisasi pin LED
  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, HIGH);

  // Tambahkan timer untuk countdown setiap detik
  timer.setInterval(1000L, handleTimer);

  // Update status awal
  updateFanStatus();
}

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