{ pkgs, ... }: {


  imports =
    [
      # Include the results of the hardware scan.
      /etc/nixos/hardware-configuration.nix
      ./laptop.nix
      ./pentablet.nix
    ];

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.initrd.checkJournalingFS = true;

  # # Cross-build arm
  boot.binfmt.emulatedSystems = [ "armv7l-linux" "aarch64-linux" ];

  # Use same ACPI identifier as Dell Ubuntu
  boot.kernelParams = [
    "acpi_osi=Linux-Dell-Video"
  ];

  networking = {
    hostName = "odin";
    networkmanager.enable = true;

    # The global useDHCP flag is deprecated, therefore explicitly set to false here.
    # Per-interface useDHCP will be mandatory in the future, so this generated config
    # replicates the default behaviour.
    useDHCP = false;
    interfaces = {
      enp60s0.useDHCP = true;
      wlp0s20f3.useDHCP = true;
    };

    # Configure network proxy if necessary
    # proxy.default = "http://user:password@proxy:port/";
    # proxy.noProxy = "127.0.0.1,localhost,internal.domain";

    # Open ports in the firewall.
    # firewall.allowedTCPPorts = [ ... ];
    # firewall.allowedUDPPorts = [ ... ];
    # Or disable the firewall altogether.
    # firewall.enable = false;
  };


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

  # Select internationalisation properties.
  i18n.defaultLocale = "it_IT.UTF-8";
  console = {
    font = "Lat2-Terminus16";
    keyMap = "it";
  };

  # Enable the X11 windowing system.
  services.xserver.enable = true;

  # Enable the GNOME 3 Desktop Environment.
  # services.xserver.displayManager.gdm = {
  #   enable = true;
  #   wayland = true;
  #   nvidiaWayland = true;
  # };
  services.xserver.desktopManager.gnome.enable = true;
  services.xserver.displayManager.sddm = {
    enable = true;
    autoNumlock = true;
  };
  services.xserver.windowManager.bspwm.enable = true;

  # Configure keymap in X11
  services.xserver.layout = "it";
  services.xserver.xkbOptions = "eurosign:e;";

  # Enable CUPS to print documents.
  services.printing.enable = true;

  # Enable sound.
  sound.enable = true;
  hardware.pulseaudio.enable = true;
  # services.pipewire = {
  #   enable = true;
  #   pulse.enable = true;
  #   jack.enable = true;
  #   alsa = {
  #     enable = true;
  #     support32Bit = true;
  #   };
  # };

  # Enable touchpad support (enabled default in most desktopManager).
  services.xserver.libinput.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.bertof = {
    isNormalUser = true;
    extraGroups = [
      "audio"
      "input"
      "libvirtd"
      "network"
      "usb"
      "wheel"
    ];
    shell = pkgs.zsh;
  };

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

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };

  programs.steam.enable = true;
  programs.dconf.enable = true;
  programs.zsh = {
    enable = true;
    syntaxHighlighting.enable = true;
  };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  # Cooling management
  services.thermald.enable = true;

  services.snapper = {
    configs = let
      bertofExtraConfig = ''
        ALLOW_USERS="bertof"
        TIMELINE_CREATE=yes
        TIMELINE_CLEANUP=yes
      '';
    in
      {
        bertof_home = { subvolume = "/home/bertof"; extraConfig = bertofExtraConfig; };
        bertof_images = { subvolume = "/home/bertof/Immagini"; extraConfig = bertofExtraConfig; };
        bertof_music = { subvolume = "/home/bertof/Musica"; extraConfig = bertofExtraConfig; };
        bertof_videos = { subvolume = "/home/bertof/Video"; extraConfig = bertofExtraConfig; };
        bertof_hdd_games = { subvolume = "/home/bertof/Giochi/HDD"; extraConfig = bertofExtraConfig; };
        bertof_ssd_games = { subvolume = "/home/bertof/Giochi/SSD"; extraConfig = bertofExtraConfig; };
      };
  };

  services.dbus.packages = with pkgs; [ gnome.dconf ];
  services.gnome.gnome-keyring.enable = true;
  hardware.bluetooth.enable = true;
  services.blueman.enable = true;
  services.zerotierone = { enable = true; joinNetworks = [ "8056c2e21cf9c753" ]; };
  services.gvfs.enable = true;
  services.tlp.enable = false;

  # Clamav
  services.clamav = { daemon.enable = true; updater.enable = true; };

  # Virtualisation
  virtualisation = { kvmgt.enable = true; libvirtd.enable = true; };

  # Allow completion for system packages
  environment.pathsToLink = [ "/share/zsh" ];

  security.sudo.extraConfig = ''
    Defaults pwfeedback
  '';
  security.pam.services.sddm.enableGnomeKeyring = true;

  # Allow non free packages
  nixpkgs.config.allowUnfree = true;

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "21.05"; # Did you read the comment?

}