{ config, lib, pkgs, unstable, ... }: {
  # Use the systemd-boot EFI boot loader.
  boot = {
    # kernelPackages = pkgs.linuxPackages_latest;
    # kernelPackages = pkgs.linuxPackages_6_7_hardened;
    # kernelPackages = pkgs.linuxPackages_6_8;
    kernelParams = [ ];

    # initrd.kernelModules = [ "i915" ];

    initrd.checkJournalingFS = true; # Use same ACPI identifier as Dell Ubuntu
    loader = {
      efi.canTouchEfiVariables = true;
      systemd-boot = { enable = true; editor = false; };
    };
    extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];

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

  networking = {
    hostName = "sif";
    networkmanager = { enable = true; plugins = with pkgs; [ networkmanager-openvpn ]; };
  };

  services = {
    ollama.package = unstable.ollama-vulkan;
    desktopManager = {
      cosmic.enable = true;
      # gnome.enable = true;
      # plasma6 = { enable = true; enableQt5Integration = true; };
    };
    displayManager = {
      enable = true;
      defaultSession = "hyprland";
      cosmic-greeter.enable = true;
      # sddm.enable = true;
      # gdm.enable = true;
    };

    # X11 windowing system.
    xserver = {
      enable = true;
      xkb = {
        layout = "us,it";
        options = "eurosign:e,terminate:ctrl_alt_bksp,compose:rctrl,grp:menu_toggle";
      };
      desktopManager.cinnamon.enable = true;
    };
    libinput.enable = true;

    keybase.enable = true;

    pipewire = {
      enable = true;
      pulse.enable = true;
      jack.enable = true;
      alsa = { enable = true; support32Bit = true; };
      # media-session.enable = true;
    };

    # Enable CUPS to print documents.
    printing = {
      enable = true;
      drivers = [
        pkgs.gutenprint
        pkgs.gutenprint-bin
        # pkgs.cups-kyocera
        # pkgs.cups-kyodialog
        pkgs.canon-capt
        pkgs.canon-cups-ufr2
        pkgs.carps-cups
      ];
    };

    # Disable auto handling of power button
    logind.settings.Login = {
      HandlePowerKey = "ignore";
      HandleLidSwitch = "suspend-then-hibernate";
    };
  };

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

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

  environment = {
    pathsToLink = [ "/share/zsh" ];
    sessionVariables.LD_LIBRARY_PATH = lib.mkForce "${config.services.pipewire.package.jack}/lib"; # Temporary fix for WebKitGTK
    systemPackages = builtins.attrValues {
      inherit (pkgs)
        git
        helix
        ntfs3g
        tmux
        vim
        ;
      inherit (pkgs.xorg) xinit;
    };
  };

  programs = {
    dconf.enable = true;
    flashrom.enable = true;
    fuse.userAllowOther = true;
    gnupg.agent = { enable = true; enableSSHSupport = true; };
    wireshark.enable = true;
    zsh.enable = true;
  };
  # services.joycond.enable = true;


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

  # Cooling management
  services.thermald.enable = true;

  services.smartd.enable = true;
  services.snapper = {
    configs =
      let
        common = {
          ALLOW_USERS = [ "bertof" ];
          TIMELINE_CREATE = true;
          TIMELINE_CLEANUP = true;
        };
      in
      {
        home = lib.recursiveUpdate common { SUBVOLUME = "/home/"; };
        # bertof_home = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof"; };
        # bertof_music = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Musica"; };
        # bertof_downloads = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Scaricati"; };
        # bertof_images = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Immagini"; };
        # bertof_videos = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Video"; };
        # bertof_documents = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Documenti"; };
        # bertof_games_ssd = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Giochi/SSD"; };
        # # bertof_games_sata = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Giochi/SATA"; };
        # # bertof_games_hdd = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Giochi/HDD"; };
        # bertof_git = lib.recursiveUpdate common { SUBVOLUME = "/home/bertof/Documenti/Git"; };
      };
  };

  hardware = {
    bluetooth.enable = true;
    enableRedistributableFirmware = true;
    graphics = { enable = true; enable32Bit = true; extraPackages = with pkgs; [ vpl-gpu-rt ]; };
    logitech.wireless = { enable = true; enableGraphical = true; };
    xpadneo.enable = true;
  };

  services = {
    hardware.bolt.enable = true;
    dbus = { packages = [ pkgs.dconf ]; implementation = "broker"; };
    gnome.gnome-keyring.enable = true;
    blueman.enable = true;
    gvfs.enable = true;
    tumbler.enable = true;
    # tlp.enable = false;
    avahi = {
      enable = true;
      openFirewall = true;
      nssmdns4 = true;
      publish = {
        enable = true;
        addresses = true;
        domain = true;
        userServices = true;
        workstation = true;
      };
      extraServiceFiles = {
        ssh = "${pkgs.avahi}/etc/avahi/services/ssh.service";
      };
    };
    # Power-profiles
    power-profiles-daemon.enable = true;
    fprintd.enable = true;
  };

  # Virtualisation
  virtualisation = {
    # vswitch.enable = true;
    # docker.enable = true;
    kvmgt.enable = true;
    libvirtd.enable = true;
    podman.enable = true;
    # virtualbox.host.enable = true;
  };
  security = {
    # FPRINTD
    rtkit.enable = true;

    sudo.extraConfig = ''
      Defaults pwfeedback
    '';

    pam.services = {
      kwallet.fprintAuth = true;
      # xscreensaver.fprintAuth = true;
      hyprlock.fprintAuth = true;
      # gdm = { enableGnomeKeyring = true; fprintAuth = true; };
      git.gnupg.enable = true;
    };
  };

  zramSwap.enable = 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 = "25.11"; # Did you read the comment?
}