{ pkgs, ... }:
{
  home.packages = with pkgs; [
    (writeShellScriptBin "swww-wallpaper-changer" ''
      export WAYLAND_DISPLAY="wayland-1"
      wallpaper_dir="$HOME/.local/share/bg/"
      [ -d "$wallpaper_dir" ] || mkdir -p "$wallpaper_dir"
      ${swww}/bin/swww-daemon &

      while true; do
          find "$wallpaper_dir" -type f -follow \( -iname \*.jpg -o -iname \*.png -o -iname \*.gif -o -iname \*.bmp \) | shuf | while read -r file; do
              ${swww}/bin/swww img "$file" --transition-step 10 --transition-fps 60
              [ $? != 0 ] && echo "swww failed, exiting" && exit 1
              sleep 600
          done
      done
    '')
  ];
}