nixcfg/homeManagerModules/desktop/sway/randomWallpaper.nix

{
  pkgs,
  lib,
  config,
  ...
}: let
  sway-randomWallpaper = pkgs.writeShellScriptBin "sway-randomWallpaper" ''
    directory=${config.home.homeDirectory}/.local/share/backgrounds

    if [ -d "$directory" ]; then
        while true; do
          kill `pidof swaybg`
          random_background=$(ls $directory/*.{png,jpg} | shuf -n 1)
          ${pkgs.swaybg}/bin/swaybg -i $random_background &
          sleep 900
        done
    fi
  '';
in {
  options = {
    alyraffauf.desktop.sway.randomWallpaper.enable =
      lib.mkEnableOption "Enable Sway random wallpaper script.";
  };

  config = lib.mkIf config.alyraffauf.desktop.sway.randomWallpaper.enable {
    # Packages that should be installed to the user profile.
    home.packages = with pkgs; [swaybg sway-randomWallpaper];

    wayland.windowManager.sway.config.startup = [
      {command = "${sway-randomWallpaper}/bin/sway-randomWallpaper";}
    ];
  };
}