{ 
  config,
  pkgs,
  ...
}: {
  imports =
    [ 
    ./hardware-configuration.nix
    ../../home/wayland
    ../../modules
    ../../modules/fonts.nix
    ];

  # bootloader 
  boot.loader = {
    systemd-boot = {
      enable = true;
      configurationLimit = 8;
    };
    efi = {
      canTouchEfiVariables = true;
      efiSysMountPoint = "/boot/efi";
    };
  };

  boot.kernelPackages = pkgs.linuxPackages_latest;
  boot.extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback.out ];
  boot.kernelModules = [ "v4l2loopback" "kvm-intel" ];

  virtualisation.libvirtd.enable = true;

  networking = {
    hostName = "tsuki";
  };

  services = {
    xserver = {
     enable = true;
     videoDrivers = [ "nvidia" ];
     layout = "us";
     xkbVariant = "";
  };
 };

  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
    pinentryFlavor = "gtk2";
  };

  services.pcscd.enable = true;

  sound.enable = true;
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    wireplumber.enable = true;
  };

  programs.steam = {
    enable = true;
  };
  
  security.polkit.enable = true;
  security.pam.services.swaylock = {
    text = ''
      auth include login
      '';
  };
  
 hardware = {
    nvidia = {
      powerManagement.enable = true;
      modesetting.enable = true;
      package = config.boot.kernelPackages.nvidiaPackages.stable;
    };
    opengl = {
    enable = true;
    extraPackages = with pkgs; [
    nvidia-vaapi-driver
    ];
   };
  opentabletdriver = {
    enable = true;
    daemon.enable = true;
  };
 };
  users = {
  defaultUserShell = pkgs.nushell;
  users.notoh = {
    isNormalUser = true;
    description = "notoh";
    extraGroups = [ "networkmanager" "wheel" "disk" "video" ];
  };
};

  environment.systemPackages = with pkgs; [
   wget
   dconf
   rustc
   rustup
   rustfmt
   go
   cargo
   nodejs
   polkit_gnome
   libvirt
   qemu_kvm
   gtk-engine-murrine
   pinentry-gtk2
   nfs-utils
   nil
   rust-analyzer
   gopls
   sumneko-lua-language-server
   marksman
   texlab
   jre8
   jdk17
   jdk8
   nodePackages_latest.yaml-language-server
   python310Packages.python-lsp-server
 ];
}