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

{
  imports = [
    ./hardware-configuration.nix
    ../../modules/common.nix
    ../../modules/kde.nix
    ../../modules/development.nix
    ../../modules/desktop-apps.nix
    ../../modules/gaming.nix
  ];

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

  boot.initrd.luks.devices = {
    "luks-rpool-nvme-WDS500G3X0C-00SJG0_2017B0802813-part2".device =
      "/dev/disk/by-id/nvme-WDS500G3X0C-00SJG0_2017B0802813-part2";
  };

  boot.zfs.extraPools = [ "shire" ];
  # Preserve the original root-pool import policy across the release upgrade.
  boot.zfs.forceImportRoot = true;

  services.zfs.autoScrub.enable = true;

  networking.hostName = "bilbo";

  hardware.graphics = {
    enable = true;
    enable32Bit = true;
    extraPackages = with pkgs; [
      intel-media-driver # LIBVA_DRIVER_NAME=iHD
      intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
      libvdpau-va-gl
    ];
  };
  environment.sessionVariables = {
    LIBVA_DRIVER_NAME = "iHD";
  }; # Force intel-media-driver

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

  hardware.nvidia = {
    modesetting.enable = true;
    powerManagement.enable = false;
    powerManagement.finegrained = true;
    open = false;
    nvidiaSettings = true;
    package = config.boot.kernelPackages.nvidiaPackages.stable;
  };

  hardware.nvidia.prime = {
    offload = {
      enable = true;
      enableOffloadCmd = true;
    };
    intelBusId = "PCI:0:2:0";
    nvidiaBusId = "PCI:1:0:0";
  };

  services.tailscale.enable = true;

  services.undervolt = {
    enable = true;
    coreOffset = -100;
  };

  virtualisation.libvirtd = {
    enable = true;
    qemu = {
      package = pkgs.qemu_kvm;
      runAsRoot = true;
      swtpm.enable = true;
    };
  };

  hardware.nvidia-container-toolkit = {
    enable = true;
    package = unstable.nvidia-container-toolkit;
  };

  environment.systemPackages = with pkgs; [
    unstable.android-studio
    android-tools
    ffmpeg
    gimp
    adwaita-icon-theme
    kdePackages.kcalc
    lutris
    unstable.mailspring
    nextcloud-client
    unstable.nvidia-container-toolkit
    nvtopPackages.full
    pinentry-qt
    syncthing
    thunderbird
    unstable.threema-desktop
    wineWow64Packages.waylandFull
    zoom-us
  ];

  fonts.packages = with pkgs; [
    noto-fonts
    noto-fonts-cjk-sans
    noto-fonts-cjk-serif
  ];

  services.sanoid = {
    enable = true;
    templates = {
      production = {
        autoprune = true;
        autosnap = true;
        hourly = 36;
        daily = 30;
        monthly = 3;
      };
    };
    datasets = {
      "rpool/home" = {
        use_template = [ "production" ];
      };
      "shire/clw/projects" = {
        use_template = [ "production" ];
      };
      "shire/clw/Documents" = {
        use_template = [ "production" ];
      };
    };
  };

  services.syncthing = {
    enable = true;
    user = "clw";
    dataDir = "/home/clw/Sync";
    configDir = "/home/clw/.config/syncthing";
  };

  programs.steam = {
    package = pkgs.steam.override {
      extraPkgs = (
        pkgs: with pkgs; [
          gamemode
        ]
      );
      extraProfile =
        let
          gmLib = "${lib.getLib (pkgs.gamemode)}/lib";
        in
        ''
          export LD_LIBRARY_PATH="${gmLib}:$LD_LIBRARY_PATH"
        '';
    };
  };
  programs.gamemode.enable = true;

  networking.firewall.enable = false;

  system.stateVersion = "23.11";

  users.users.clw.extraGroups = [
    "libvirtd"
    "kvm"
  ];
}