# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, ... }:

{
  networking = {
    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;
  };

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

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

  fonts = {
    enableDefaultFonts = true;
    fonts = with pkgs; [
      ubuntu_font_family
      fira-code
      (nerdfonts.override { fonts = [ "FiraCode" ]; })
    ];
    fontconfig = {
      defaultFonts = {
        monospace = [
          "Fira Code"
          "emoji"
          "FiraCode Nerd Font Mono"
        ];
        serif = [ "Ubuntu" "emoji" ];
        sansSerif = [ "Ubuntu" "emoji" ];
        emoji = [ "Noto Color Emoji" ];
      };
    };
  };

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

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

  # Enable the X11 windowing system.
  services = {
    # Xmonad
    dbus = {
      enable = true;
      packages = [ pkgs.dconf ];
    };

    xserver = {
      enable = true;

      xkbModel = "pc105";
      layout = "us,us";
      xkbVariant = "dvorak,";
      xkbOptions = "grp:win_space_toggle";

      displayManager = {
        defaultSession = "none+xmonad";
      };

      windowManager.xmonad.enable = true;
    };
  };

  # Enable sound.
  sound = {
    enable = true;
    mediaKeys.enable = true;
  };

  hardware.pulseaudio = {
    enable = true;
    package = pkgs.pulseaudioFull;
  };

  programs.zsh.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.

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

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

  # 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;
  };

  virtualisation = {
    docker.enable = true;
  };

  nix = {
    settings = {
      auto-optimise-store = true;

      trusted-users = [ "root" ];

      experimental-features = [ "nix-command" "flakes" ];

      # To protect nix-shell against garbage collection
      # Source: https://github.com/nix-community/nix-direnv#installation
      keep-derivations = true;
      keep-outputs = true;
    };

    registry =
      let
        gitple = "https://git.pleshevski.ru";
        mkRegistry = id: url: {
          from = { type = "indirect"; inherit id; };
          to = { type = "git"; inherit url; };
        };
      in
      {
        templates = mkRegistry "tmpl" "${gitple}/mynix/templates";
      };
  };

  users.mutableUsers = false;

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

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = 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 = "22.11"; # Did you read the comment?

}