{ inputs
, config
, pkgs
, ...
}:

{
  imports =
    [
      # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];

  nix.settings = {
    # Enable flakes and new 'nix' command
    experimental-features = "nix-command flakes";
    # Deduplicate and optimize nix store
    auto-optimise-store = true;
  };

  nixpkgs.config.allowUnfree = true;

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

  networking.hostName = "kalle-laptop";
  networking.networkmanager.enable = true;

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

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";

  console = {
    font = "Lat2-Terminus16";
    useXkbConfig = true; # use xkbOptions in tty.
  };

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

    displayManager.sddm.enable = true;
    desktopManager.plasma6.enable = true;

    # Configure keymap in X11
    xkb = {
      layout = "us";
      options = "eurosign:e,caps:escape";
    };
  };

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

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

  users.users.kalle = {
    isNormalUser = true;
    group = "kalle";
    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
  };

  users.groups.kalle.gid = 1000;

  environment.systemPackages = with pkgs; [
    xdg-user-dirs
  ];

  fonts = {
    enableDefaultPackages = true;
    packages = with pkgs; [
      noto-fonts
      noto-fonts-cjk
      noto-fonts-color-emoji

      fira-code
      fira-code-symbols

      (nerdfonts.override { fonts = [ "NerdFontsSymbolsOnly" ]; })
    ];

    fontconfig = {
      defaultFonts = {
        serif = [ "Noto Serif" "Symbols Nerd Font" ];
        sansSerif = [ "Noto Sans" "Symbols Nerd Font" ];
        monospace = [ "Fira Code" "Symbols Nerd Font Mono" ];
      };
    };
  };

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

  # Disable firewall.
  networking.firewall.enable = false;

  # 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?

}