{ config, pkgs, lib, ... }:
{
  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  services.xserver.displayManager.autoLogin.enable = true;
  services.xserver.displayManager.autoLogin.user = "pbsds";
  # tmp: https://github.com/NixOS/nixpkgs/issues/103746#issuecomment-945091229
  systemd.services."getty@tty1".enable = false;
  systemd.services."autovt@tty1".enable = false;

  #boot.kernelPackages = pkgs.linuxPackages_latest;
  #hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.latest;
  #hardware.nvidia.modesetting.enable = false; # makes atom behave, but mpv refuses to start

  # PRIME: (lspci)
  #hardware.nvidia.prime.intelBusId  = "PCI:0:02:0";
  #hardware.nvidia.prime.nvidiaBusId = "PCI:1:00:0";

  imports = [
    ./hardware-configuration.nix
    #../../hardware/gpu/cuda.nix
    ../../hardware/gpu/intel.nix
    ../../profiles/auto-upgrade.nix
    ../../profiles/upgrade-diff.nix
    ../../profiles/sshd.nix
    ../../profiles/no-suspend.nix
    ../../profiles/podman.nix
    ../../profiles/docker.nix

    ../../users # home-manager
    ../../users/pbsds

    ../../profiles/shell/base.nix
    ../../profiles/shell/archives.nix
    ../../profiles/shell/nix-utils.nix
    #../../profiles/shell/binfmt-emu.nix # qemu won't compile...

    ../../profiles/desktop/base.nix
    ../../profiles/desktop/gnome # configures gdm
    #../../profiles/desktop/sound/alsa.nix
    #../../profiles/desktop/sound/pulseaudio.nix
    ../../profiles/desktop/sound/pipewire.nix

  ];

  networking.firewall.allowedTCPPorts = [ 57621 ]; # spotify local discovery

  # Networking
  networking.networkmanager.enable = true;


  # Installed system packages
  environment.systemPackages = with pkgs; [
    cage
    weston
  ];

  # TODO: remove? Move?
  programs.dconf.enable = true;

  # System fonts
  fonts.fontDir.enable = true; # creates /run/current-system/sw/share/X11/fonts
  fonts.enableDefaultFonts = true; # dejavu, freefont, gyre, liberation, unifont, noto-fonts-emoji
  fonts.fonts = with pkgs; [
    noto-fonts # includes Cousine
    noto-fonts-cjk
    noto-fonts-emoji
    noto-fonts-extra
  ];

  # nvidia bad
  #nixpkgs.config.packageOverrides = lib.mkIf (!config.hardware.nvidia.prime.offload.enable) (pkgs: {
  nixpkgs.config.packageOverrides = (pkgs: {
    teams = pkgs.teams.overrideAttrs (old: rec {
      postInstall = (old.postInstall or "") + ''
        substituteInPlace $out/share/applications/teams.desktop \
          --replace 'Exec=teams' 'Exec=teams --disable-gpu'
      '';
    });
    discord = pkgs.discord.overrideAttrs (old: rec {
      desktopItem = old.desktopItem.override (old: {
        #exec = "${pkgs.coreutils}/bin/env NIXOS_OZONE_WL=1 ${old.exec}";
        exec = "${pkgs.coreutils-full}/bin/env NIXOS_OZONE_WL=1 Discord";
      });
      postInstall = ''
        ln -sf "${desktopItem}/share/applications" $out/share/
      '' + old.postInstall;
    });
    slack = pkgs.slack.overrideAttrs (old: {
      postInstall = old.postInstall or "" + ''
        substituteInPlace $out/share/applications/slack.desktop \
          --replace "$out/bin/slack " "$out/bin/slack --disable-gpu --in-process-gpu "
      '';
    });
    element-desktop = pkgs.element-desktop.overrideAttrs (old: {
      desktopItem = old.desktopItem.override (old: {
        exec = "element-desktop --disable-gpu --in-process-gpu %u";
      });
    });
  });


  # Enable touchpad support (enabled default in most desktopManager).
  # services.xserver.libinput.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 = "23.05"; # Did you read the comment?
}