{
  config,
  lib,
  pkgs,
  inputs,
  ...
}: let
  cfg = config.server;
in {
  options.server = {
    enable = lib.mkEnableOption "server settings";
  };

  imports = [
    ./host-user.nix
    ./mixins
  ];

  config = lib.mkIf cfg.enable {
    _module.args.unstable = inputs.nixpkgs.legacyPackages.${pkgs.stdenv.hostPlatform.system};

    boot.tmp.cleanOnBoot = lib.mkDefault true;

    documentation = {
      enable = false;
      man.enable = false;
    };

    environment = {
      defaultPackages = lib.mkForce [];
      etc."nix/inputs/nixpkgs".source = inputs.nixpkgs-stable.outPath;
    };

    nix = {
      gc = {
        dates = "*-*-1,5,9,13,17,21,25,29 00:00:00";
        options = "-d --delete-older-than 2d";
      };

      registry.n.flake = inputs.nixpkgs-stable;
      settings.allowed-users = [config.networking.hostName];
    };
  };
}