# FedAC Plymouth Boot Script
# Shows pals.png centered on dark purple background with gentle pulse

# Dark purple background (RGB: 26, 10, 36 — similar to AC aesthetic)
Window.SetBackgroundTopColor(0.10, 0.04, 0.14);
Window.SetBackgroundBottomColor(0.06, 0.02, 0.10);

# Load pals image
pals_image = Image("pals.png");
pals_sprite = Sprite(pals_image);

# Center the pals image
screen_width = Window.GetWidth();
screen_height = Window.GetHeight();
image_width = pals_image.GetWidth();
image_height = pals_image.GetHeight();

# Scale pals to ~30% of screen height (looks good on laptop screens)
scale = (screen_height * 0.30) / image_height;
scaled_image = pals_image.Scale(image_width * scale, image_height * scale);
pals_sprite.SetImage(scaled_image);

scaled_width = image_width * scale;
scaled_height = image_height * scale;

pals_sprite.SetX(screen_width / 2 - scaled_width / 2);
pals_sprite.SetY(screen_height / 2 - scaled_height / 2 - 20);

# Subtle opacity pulse animation
progress = 0;

fun refresh_callback() {
  progress++;
  # Gentle sine pulse between 0.7 and 1.0 opacity
  # Using approximation: sin via triangle wave
  cycle = progress % 120;
  if (cycle < 60)
    opacity = 0.7 + (cycle / 60.0) * 0.3;
  else
    opacity = 1.0 - ((cycle - 60) / 60.0) * 0.3;
  pals_sprite.SetOpacity(opacity);
}

Plymouth.SetRefreshFunction(refresh_callback);

# Password prompt (if disk encryption is enabled)
fun display_password_callback(prompt, bullets) {
  # Show password entry below pals
  # Plymouth handles the actual input — we just position it
  prompt_sprite = Sprite();
  prompt_sprite.SetPosition(screen_width / 2 - 100, screen_height / 2 + scaled_height / 2 + 40, 10);
}

Plymouth.SetDisplayPasswordFunction(display_password_callback);

# Boot progress (optional — shows below pals)
fun boot_progress_callback(duration, progress_val) {
  # Could add a progress bar here
  # For now, the pulse animation provides visual feedback
}

Plymouth.SetBootProgressFunction(boot_progress_callback);