{
  pkgs,
  lib,
  config,
  ...
}:
let
  specialisations = builtins.map (name: ../specialisations + "/${name}") (
    builtins.attrNames (builtins.readDir ../specialisations)
  );
in
{
  imports = [
    ./default.nix
  ]
  ++ specialisations;

  swappiness = lib.mkDefault 20;

  boot = {
    kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
    tmp = {
      cleanOnBoot = lib.mkDefault true;
      tmpfsSize = lib.mkDefault "50%";
      useTmpfs = lib.mkDefault true;
    };

    consoleLogLevel = lib.mkDefault 1;

    loader = {
      systemd-boot = {
        enable = lib.mkDefault true;
        configurationLimit = lib.mkDefault 10;
      };

      efi.canTouchEfiVariables = lib.mkDefault true;
    };
  };

  hardware = {
    enableRedistributableFirmware = lib.mkDefault true;
    bluetooth = {
      enable = lib.mkDefault true;
      powerOnBoot = true;
      settings = {
        General = {
          IdleTimeout = 0;
          ControllerMode = "dual";
          MultiProfile = "multiple";
          FastConnectable = true;
        };
      };
    };
  };

  networking = {
    networkmanager = {
      enable = lib.mkDefault true;
      plugins = lib.mkForce [ ];
    };

    firewall.enable = false;
  };

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

  security = {
    rtkit.enable = true;

    sudo = {
      enable = true;
      extraConfig = ''
        Defaults:root,%wheel env_keep=HTTPS_PROXY
        Defaults:root,%wheel env_keep=no_proxy
      '';
    };

    pam = {
      yubico.enable = true;
      yubico.mode = "challenge-response";
    };
  };

  services = {
    pulseaudio.enable = false;
    pcscd.enable = true;
    resolved = {
      enable = true;
      fallbackDns = [
        # "192.168.1.5"
        "1.1.1.1"
        "8.8.8.8"
      ];
    };

    pipewire = {
      wireplumber = {
        enable = true;
        extraConfig."99-disable-suspend" = {
          "monitor.alsa.rules" = [
            {
              matches = [
                { "node.name" = "~alsa_input.*"; }
                { "node.name" = "~alsa_output.*"; }
              ];
              actions.update-props = {
                "session.suspend-timeout-seconds" = 0;
              };
            }
          ];
        };
      };
      audio.enable = true;

      enable = true;
      alsa.enable = true;
      alsa.support32Bit = true;
      pulse.enable = true;
      jack.enable = true;
    };

    libinput.enable = true;

    btrfs.autoScrub.interval = "weekly";

    flatpak.enable = true;

    printing = {
      enable = lib.mkDefault true;
      openFirewall = true;
      drivers = with pkgs; [
        gutenprint
      ];
      cups-pdf.enable = lib.mkDefault true;
      browsing = lib.mkDefault true;
    };

    udev = {
      extraRules = ''
        KERNEL=="i2c-[0-9]*", GROUP="i2c", MODE="0660"
      '';
    };
  };

  powerManagement = {
    enable = true;
  };

  users.groups = {
    ssh = {
      name = "ssh";
    };
  };

  environment.systemPackages = with pkgs; [
    mesa
    wl-clipboard
    steam-run

    telegram-desktop
    keepassxc
    gimp
    mpv
    ffmpeg
    yt-dlp
    # avidemux
    krita
    krita-plugin-gmic
    inkscape

    # onlyoffice-desktopeditors
    libreoffice-qt-fresh
    thunderbird-latest

    # Fonts
    nerd-fonts.fira-code
    nerd-fonts.jetbrains-mono
  ];

  programs = {
    nix-ld = {
      enable = true;
      libraries = [

      ];
    };

    yubikey-touch-detector = {
      enable = config.security.pam.yubico.enable;
      libnotify = true;
    };
  };

  environment.pathsToLink = [
    "/share/xdg-desktop-portal"
    "/share/applications"
  ];

  hardware = {
    graphics = {
      enable = true;
    };
  };

  xdg.portal.enable = lib.mkDefault true;
  xdg.portal.extraPortals = lib.mkDefault [
    pkgs.kdePackages.xdg-desktop-portal-kde
    pkgs.xdg-desktop-portal-gnome
  ];
}