{
  povSelf,
  hostConfig,
  config,
  lib,
  pkgs,
  ...
}:
let
  inherit (lib) types;
  cfg = lib.getAttrFromPath povSelf config;
  cfgRoot = lib.getAttrFromPath (lib.remove [ "hardware" "fpint" ] povSelf) config;

in
{

  options = {
    enable = {
      type = types.bool;
      default = false;
    };
    enableGoodixDriver = {
      type = types.bool;
      default = false;
    };
  };

  config = lib.mkIf cfg.enable (
    lib.mkMerge [
      {
        services.fprintd.enable = true;

        modules.filesystem.impermanence.system.dirs = [
          "/var/lib/fprint"
        ];
      }
      (lib.mkIf cfg.enableGoodixDriver {
        assertions = [
          {
            assertion = cfg.enableGoodixDriver -> cfgRoot.modules.unfree.enable;
            message = ''
              The hardware.fprint.enableGoodixDriver option uses unfree software.
              To use it you need to set modules.unfree.enable to true.
            '';
          }
        ];

        modules.unfree.list = [ "libfprint-2-tod1-goodix" ];

        services.fprintd.tod = {
          enable = lib.mkDefault true;
          driver = lib.mkDefault pkgs.libfprint-2-tod1-goodix;
        };
      })
    ]
  );

}