{
  config,
  lib,
  pkgs,
  util,
  ...
}:
# RetroArch with the selected PlayStation and Sega Saturn cores.
let
  cfg = config.modules.desktop.emulation.retroarch;
  user = config.user.name;
in
{
  options.modules.desktop.emulation.retroarch = {
    enable = lib.mkEnableOption "RetroArch with PlayStation and Sega Saturn cores";

    browserDirectory = lib.mkOption {
      type = lib.types.str;
      default = "";
      description = "Directory where RetroArch starts its content browser.";
    };
  };

  config = lib.mkIf cfg.enable {
    home-manager.users.${user} = {
      home.packages = [
        (pkgs.wrapRetroArch {
          cores = with pkgs.libretro; [
            beetle-psx-hw
            beetle-saturn
          ];
          settings = {
            savefiles_in_content_dir = "false";
            savestates_in_content_dir = "false";
            system_directory = "/home/${user}/.config/retroarch/system";
            video_fullscreen = "true";
            sort_savefiles_enable = "true";
            sort_savestates_enable = "true";
            cloud_sync_enable = "true";
            cloud_sync_driver = "webdav";
            webdav_url = "https://games.alexion.dev/api/sync/retroarch/";
            cloud_sync_sync_saves = "true";
            cloud_sync_sync_configs = "true";
            cloud_sync_sync_thumbs = "false";
            cloud_sync_sync_system = "false";
            cloud_sync_sync_mode = "0";
            cloud_sync_destructive = "false";
          }
          // lib.optionalAttrs (cfg.browserDirectory != "") {
            rgui_browser_directory = cfg.browserDirectory;
          };
        })
      ];

    };

    registry.window-icon.${config.networking.hostName}.retroarch = {
      class = "com.libretro.RetroArch";
      icon = util.glyph "f11b";
    };
  };
}