{ pkgs, ... }:

{
  environment.systemPackages = with pkgs; [
    (writeShellScriptBin "switch-wallpaper" ''
      WALLPAPER=$(${pkgs.zenity}/bin/zenity --file-selection --title="Select Wallpaper" --file-filter="Images | *.jpg *.jpeg *.png *.gif")

      if [ -z "$WALLPAPER" ]; then
          exit 0
      fi

      # Preload and set wallpaper using hyprctl (requires hyprpaper running)
      # We attempt to unload all other wallpapers first to save memory, optionally
      # ${pkgs.hyprland}/bin/hyprctl hyprpaper unload all
      
      ${pkgs.hyprland}/bin/hyprctl hyprpaper preload "$WALLPAPER"
      ${pkgs.hyprland}/bin/hyprctl hyprpaper wallpaper ",$WALLPAPER"
    '')
  ];
}