{
  pkgs,
  config,
  ...
}:
{
  imports = [
    ./hardware-configuration.nix
    ../../default-machine-config.nix
  ];

  custom.machine = {
    type = "pc";
    capabilities = [
      "cli"
      "graphical"
      "work"
      "fun"
    ];
  };

  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "kili";
  networking.networkmanager.enable = true;

  # Set your time zone.
  time.timeZone = "Europe/Amsterdam";

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";

  i18n.extraLocaleSettings = {
    LC_ADDRESS = "nl_NL.UTF-8";
    LC_IDENTIFICATION = "nl_NL.UTF-8";
    LC_MEASUREMENT = "nl_NL.UTF-8";
    LC_MONETARY = "nl_NL.UTF-8";
    LC_NAME = "nl_NL.UTF-8";
    LC_NUMERIC = "nl_NL.UTF-8";
    LC_PAPER = "nl_NL.UTF-8";
    LC_TELEPHONE = "nl_NL.UTF-8";
    LC_TIME = "nl_NL.UTF-8";
  };

  services.xserver.xkb = {
    layout = "us";
    variant = "";
  };

  users.users.jana = {
    extraGroups = [
      "networkmanager"
      "wheel"
    ];
    packages = with pkgs; [ ];
  };

  nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [

    firefox
    kitty
    pkgs.custom.niri
    zed-editor
    signal-desktop
    discord
    nautilus

    adwaita-icon-theme
    (pkgs.callPackage (
      { stdenv }:
      stdenv.mkDerivation {
        name = "global-cursor-theme";
        unpackPhase = "true";
        outputs = [ "out" ];
        installPhase = ''
          mkdir -p $out/share/icons/default
          cat << EOF > $out/share/icons/default/index.theme
          [Icon Theme]
          Name=Default
          Comment=Default Cursor Theme
          Inherits=Adwaita
          EOF
        '';
      }
    ) { })
  ];

  services.xserver.enable = true;
  services.displayManager.gdm.enable = true;
  services.desktopManager.gnome.enable = true;

  services.gnome.gnome-keyring.enable = true;
  services.gvfs.enable = true;
  services.displayManager.sessionPackages = [ pkgs.custom.niri ];
  programs.dconf.enable = true;

  nix.settings.experimental-features = [
    "nix-command"
    "flakes"
  ];

  services.xserver.videoDrivers = [
    "modesetting"
    "nvidia"
  ];

  hardware.graphics.enable = true;
  hardware.graphics.extraPackages = with pkgs; [
    libva-vdpau-driver
    intel-media-driver
  ];
  environment.sessionVariables = {
    LIBVA_DRIVER_NAME = "iHD";
  };

  hardware.nvidia = {
    modesetting.enable = true;
    powerManagement.enable = true;
    powerManagement.finegrained = false;

    # use nvidia opensource driver (not nouveau!!)
    open = true;
    nvidiaSettings = true;

    prime = {
      offload = {
        enable = true;
        enableOffloadCmd = true;
      };

      intelBusId = "PCI:0@00:02:0";
      nvidiaBusId = "PCI:0@01:00:0";
    };

    package = config.boot.kernelPackages.nvidiaPackages.mkDriver {
      version = "580.95.05";
      sha256_64bit = "sha256-hJ7w746EK5gGss3p8RwTA9VPGpp2lGfk5dlhsv4Rgqc=";
      sha256_aarch64 = "sha256-zLRCbpiik2fGDa+d80wqV3ZV1U1b4lRjzNQJsLLlICk=";
      openSha256 = "sha256-RFwDGQOi9jVngVONCOB5m/IYKZIeGEle7h0+0yGnBEI=";
      settingsSha256 = "sha256-F2wmUEaRrpR1Vz0TQSwVK4Fv13f3J9NJLtBe4UP2f14=";
      persistencedSha256 = "sha256-QCwxXQfG/Pa7jSTBB0xD3lsIofcerAWWAHKvWjWGQtg=";
      patchesOpen = [
        (pkgs.fetchpatch {
          name = "get_dev_pagemap.patch";
          url = "https://github.com/NVIDIA/open-gpu-kernel-modules/commit/3e230516034d29e84ca023fe95e284af5cd5a065.patch";
          hash = "sha256-BhL4mtuY5W+eLofwhHVnZnVf0msDj7XBxskZi8e6/k8=";
        })
      ];
    };
  };

  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  nix.settings = {
    # users that can interact with nix
    trusted-users = [
      "jana"
      "root"
    ];
  };
}