{ config, pkgs, lib, ... }:
with lib; {

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.initrd.checkJournalingFS = true;
  # boot.kernelPackages = pkgs.linuxPackages_latest;
  # boot.kernelPackages = pkgs.linuxPackages_6_1;
  boot.extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];

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

  hardware.enableRedistributableFirmware = true;

  # Enable opengl support
  hardware.opengl = {
    enable = true;
    driSupport = true;
    driSupport32Bit = true;
    extraPackages = builtins.attrValues {
      inherit (pkgs) intel-media-driver vaapiIntel vaapiVdpau libvdpau-va-gl;
    };
  };

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

  networking = {
    hostName = "odin";
    networkmanager.enable = true;
    # networkmanager.wifi.backend = "iwd";

    # 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;
    firewall.checkReversePath = false;

    wg-quick.interfaces = {
      wg0 = {
        autostart = false;
        address = [ "10.0.0.2/24" "fdc9:281f:04d7:9ee9::2/64" ];
        dns = [ "10.0.0.1" "fdc9:281f:04d7:9ee9::1" ];
        privateKeyFile = config.age.secrets.odin_wg_priv.path;

        peers = [
          {
            publicKey = "K57ikgFSR1O0CXWBxfQEu7uxSOsp3ePj/NMRets5pVc=";
            presharedKeyFile = config.age.secrets.odin_wg_psk.path;
            allowedIPs = [ "0.0.0.0/0" "::/0" ];
            endpoint = "baldur.bertof.net:51820";
            persistentKeepalive = 25;
          }
        ];
      };
    };
  };

  services.hardware.bolt.enable = true;

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

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

  # X11 windowing system.
  services.xserver = {
    enable = true;
    # Enable the GNOME 3 Desktop Environment.
    # desktopManager.gnome.enable = true;
    # desktopManager.plasma5 = {
    #   enable = true;
    #   runUsingSystemd = true;
    # };
    windowManager.bspwm.enable = true;

    # Configure keymap in X11
    layout = "it,us";
    xkbOptions = "eurosign:e,terminate:ctrl_alt_bksp,compose:rctrl,grp:menu_toggle";
    libinput.enable = true;

    displayManager.sddm = {
      enable = true;
      autoNumlock = true;
      theme =
        "${pkgs.sddm-theme-clairvoyance}/usr/share/sddm/themes/clairvoyance";
    };
  };

  # Enable CUPS to print documents.
  services.printing = {
    enable = true;
    drivers = [
      pkgs.gutenprint
      # pkgs.cups-kyocera
      pkgs.unstable_pkgs.cups-kyodialog
    ];
  };

  # Disable auto handling of power button
  services.logind.extraConfig = ''
    HandlePowerKey=ignore
  '';

  services.keybase.enable = true;

  # Enable sound.
  # PULSE
  # sound.enable = true;
  # hardware.pulseaudio.enable = true;

  # PIPEWIRE
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    pulse.enable = true;
    jack.enable = true;
    alsa = {
      enable = true;
      support32Bit = true;
    };
    # media-session.enable = true;
  };
  environment.sessionVariables.LD_LIBRARY_PATH = lib.mkForce
    "${config.services.pipewire.package.jack}/lib"; # Temporary fix for WebKitGTK

  # # Tablet
  # hardware.opentabletdriver = {
  #   enable = true;
  #   daemon.enable = true;
  # };

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

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages =
    builtins.attrValues { inherit (pkgs) tmux helix vim git ntfs3g; };

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


  programs.steam = {
    enable = true;
    package = pkgs.steam.override {
      extraPkgs = pkgs: with pkgs; [ icu ];
      extraProfile = ''
        export GSETTINGS_SCHEMA_DIR="${pkgs.gsettings-desktop-schemas}/share/gsettings-schemas/${pkgs.gsettings-desktop-schemas.name}/glib-2.0/schemas/"
      '';
    };
  };
  # services.joycond.enable = true;

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

  services.onedrive = { enable = true; package = pkgs.unstable_pkgs.onedrive; };

  # 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
      {
        bertof_home = recursiveUpdate common { SUBVOLUME = "/home/bertof"; };
        bertof_music = recursiveUpdate common { SUBVOLUME = "/home/bertof/Musica"; };
        bertof_downloads = recursiveUpdate common { SUBVOLUME = "/home/bertof/Scaricati"; };
        bertof_images = recursiveUpdate common { SUBVOLUME = "/home/bertof/Immagini"; };
        bertof_videos = recursiveUpdate common { SUBVOLUME = "/home/bertof/Video"; };
        bertof_documents = recursiveUpdate common { SUBVOLUME = "/home/bertof/Documenti"; };
        bertof_games_ssd = recursiveUpdate common { SUBVOLUME = "/home/bertof/Giochi/SSD"; };
        bertof_games_sata = recursiveUpdate common { SUBVOLUME = "/home/bertof/Giochi/SATA"; };
        # bertof_games_hdd = recursiveUpdate common { SUBVOLUME = "/home/bertof/Giochi/HDD"; };
        bertof_git = recursiveUpdate common { SUBVOLUME = "/home/bertof/Documenti/Git"; };
      };
  };

  services.dbus = {
    packages = [ pkgs.dconf ];
    implementation = "broker";
  };
  services.gnome.gnome-keyring.enable = true;
  hardware.steam-hardware.enable = true;
  hardware.bluetooth = {
    enable = true;
    package = pkgs.bluezFull;
  };
  services.blueman.enable = true;
  services.gvfs = {
    enable = true;
    # package = lib.mkForce pkgs.gnome3.gvfs;
  };
  services.tumbler.enable = true;
  # services.tlp.enable = false;
  services.avahi = {
    enable = true;
    openFirewall = true;
    nssmdns = true;
    publish = {
      enable = true;
      addresses = true;
      domain = true;
      userServices = true;
      workstation = true;
    };
    extraServiceFiles = {
      ssh = "${pkgs.avahi}/etc/avahi/services/ssh.service";
    };
  };

  # FPRINTD
  # services.fprintd = {
  #   enable = true;
  #   tod = { enable = true; driver = pkgs.libfprint-2-tod1-goodix; };
  # };
  security.pam.services.login.fprintAuth = true;
  security.pam.services.xscreensaver.fprintAuth = true;

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

  # Power-profiles
  services.power-profiles-daemon.enable = true;

  # services.teamviewer.enable = true;

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

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

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

  nixpkgs.config = {
    allowUnfree = true;
    packageOverrides = pkgs: {
      steam = pkgs.steam.override { extraPkgs = pkgs: [ pkgs.icu ]; };
    };
  };

  # 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 = "22.11"; # Did you read the comment?
}