{
  pkgs,
  lib,
  config,
  ...
}:
with lib;
let
  cfg = config.global.flatpak;
in
{
  options.global.flatpak = {
    enable = mkEnableOption "flatpak sandbox";
  };

  config = mkIf cfg.enable {
    services.flatpak.enable = true;
    xdg.portal.enable = true;
    users.home.persist.directories = [
      ".local/share/flatpak"
      ".var"
    ];
    environment.persistence."/nix/persist/fhs".directories = [ "/var/lib/flatpak" ];
  };
}