#define BUTTON_PIN 12

unsigned long lastActionTime = 0;
int currentSong = 1;
bool buttonPressed = false;

void setup() {
  Serial.begin(115200);
  pinMode(BUTTON_PIN, INPUT_PULLUP);

  playSong(1);  // מתחילים עם שיר 1
}

void loop() {
  unsigned long now = millis();

  // לחיצה על כפתור
  if (digitalRead(BUTTON_PIN) == LOW && !buttonPressed) {
    buttonPressed = true;
    delay(200); // debounce

    if (currentSong == 1) {
      playSong(2);
    }
    else if (currentSong == 2) {
      playSong(3);
    }
  }

  // שחרור כפתור כדי לא לספור כל הזמן לחוץ
  if (digitalRead(BUTTON_PIN) == HIGH) {
    buttonPressed = false;
  }

  // מעבר אוטומטי לפי זמן
  unsigned long elapsed = now - lastActionTime;

  if (currentSong == 1 && elapsed >= 10 * 60 * 1000UL) { // 10 דקות
    Serial.println("⏱ 10 min passed, moving to song 2");
    playSong(2);
  }

  else if (currentSong == 2 && elapsed >= 10 * 60 * 1000UL) { // עוד 10 דקות
    Serial.println("⏱ 20 min passed, moving to song 3");
    playSong(3);
  }

  // שיר 3 – אין מעבר נוסף
}

void playSong(int songNumber) {
  currentSong = songNumber;
  lastActionTime = millis();

  switch (songNumber) {
    case 1:
      Serial.println("🎵 Playing: song 1");
      break;
    case 2:
      Serial.println("🎵 Playing: song 2");
      break;
    case 3:
      Serial.println("🎵 Playing: song 3");
      break;
    case 4:
      Serial.println("🎵 Playing: song 4");
      break;
  }
}