{
  username ? throw "username argument is required",
}:
{ config, pkgs, ... }:
let
  userConfig = config.users.users.${username};
  hmConfig = config.home-manager.users.${username};
in
{
  environment.persistence."/persist".users.${username}.directories = with hmConfig.xdg.userDirs; [
    relativeDesktop
    relativeDocuments
    relativeDownload
    relativeMusic
    relativePictures
    relativeTemplates
    relativeVideos
    "VMs"
    "git"
  ];

  home-manager.users.${username} = {
    imports = [ ./options.nix ];

    xdg = {
      enable = true;
      mimeApps.enable = true;

      portal = {
        xdgOpenUsePortal = true;
        extraPortals = with pkgs; [ xdg-desktop-portal-gtk ];
      };

      userDirs = {
        enable = true;
        extraConfig = {
          XDG_VM_DIR = "${userConfig.home}/VMs";
          XDG_GIT_DIR = "${userConfig.home}/git";
        };
      };
    };

    home.packages = with pkgs; [ xdg-utils ];
  };
}