{ config, inputs, lib, pkgs, ... }:

let
  inherit (builtins) toString;
  inherit (lib.modules) mkDefault mkIf mkAliasOptionModule;
  inherit (lib.my) mapModulesRec';
in {
  imports = [
    inputs.home-manager.nixosModules.home-manager
    (mkAliasOptionModule ["hm"] ["home-manager" "users" config.user.name])
    inputs.nix-colors.homeManagerModules.default # >home manager modules >in non-hm modules
    inputs.nix-index-database.nixosModules.default
    inputs.niri.nixosModules.niri
  ]
    ++ (mapModulesRec' (toString ./modules) import);

  system.stateVersion = "23.11";
  system.configurationRevision = with inputs; mkIf (self ? rev) self.rev;
  hm.home.stateVersion = config.system.stateVersion;

  boot = {
    kernelPackages = mkDefault pkgs.linuxPackages_latest;
    kernelParams = [ "pci_aspm.policy=performance" ];
  };

  # configure keymap in x11
  services.xserver.xkb = {
    layout = "us";
    variant = "qwerty";
  };
  console = {
    useXkbConfig = mkDefault true;
  };

  services.automatic-timezoned.enable = mkDefault true;
  time.timeZone = mkDefault null; # handled by automatic-timezoned

  i18n = mkDefault {
    defaultLocale = "en_US.UTF-8";
    supportedLocales = [ "en_US.UTF-8/UTF-8" ];
  };

  location.provider = mkDefault "geoclue2";
  services.geoclue2 = {
    enable = mkDefault true;

    # the default provider is Geeked
    geoProviderUrl = "https://beacondb.net/v1/geolocate";
    submissionUrl = "https://beacondb.net/v2/geosubmit";
    submissionNick = "geoclue";
  };

  hardware.enableRedistributableFirmware = true;

  environment.systemPackages = with pkgs; [
    openssh mosh
    git
  ];
}