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

{
  # programs.steam = {
  #   enable = true;
  #   remotePlay.openFirewall =
  #     true; # Open ports in the firewall for Steam Remote Play
  #   dedicatedServer.openFirewall =
  #     true; # Open ports in the firewall for Source Dedicated Server
  # };

  nix.settings.experimental-features = [ "nix-command" "flakes" ];
  nix.gc = {
    automatic = true;
    dates = "weekly";
    options = "--delete-older-than 14d";
  };

  networking.nameservers = [ "8.8.8.8" "1.1.1.1" ];
  networking.networkmanager.insertNameservers = [ "1.1.1.1" "8.8.8.8" ];
  networking.firewall.enable = false;

  programs.firefox.enable = true;

  nixpkgs.config.allowUnfree = true;
  environment.systemPackages = with pkgs; [
    kitty
    amnezia-vpn
    powertop
    system76-scheduler
    tlp
    # lenovo-legion 
  ];

  # starting the following units: accounts-daemon.service, systemd-modules-load.service, systemd-tmpfiles-resetup.service, tlp.ser

  # TODO: Добавить настройку вентиляторов

  security.sudo.extraRules = [{
    users = [ "ALL" ];
    commands = [{
      command = "/run/current-system/sw/bin/AmneziaVPN-service";
      options = [ "NOPASSWD" ];
    }];
  }]; # TODO: fix amnezia-service loading on startup

  # systemd.services.amnezia-vpn-service = {
  #   description = "Amnezia VPN Service";
  #   after = [ "network-online.target" ];
  #   wantedBy = [ "multi-user.target" ];
  #   serviceConfig = {
  #     ExecStart = "${pkgs.amnezia-vpn}/bin/AmneziaVPN-service";
  #     Restart = "on-failure";
  #     User = "root";
  #   };
  # };

  programs.neovim = {
    enable = true;
    defaultEditor = true;
    configure = {
      customRC = ''
        set runtimepath^=${pkgs.vimPlugins.jellybeans-vim}
        colorscheme jellybeans
        set number
        set cc=80
        set list
        set listchars=tab:→\ ,space:·,nbsp:␣,trail:•,eol:¶,precedes:«,extends:»
        if &diff
          colorscheme blue
        endif
      '';
      packages.myVimPackage = with pkgs.vimPlugins; { start = [ ctrlp ]; };
    };
  };

  # fonts.packages = builtins.filter lib.attrsets.isDerivation (builtins.attrValues pkgs.nerd-fonts);

  fonts.packages = with pkgs; [
    nerd-fonts.jetbrains-mono
    # from example
    nerd-fonts.fira-code
    nerd-fonts.droid-sans-mono
    noto-fonts
    noto-fonts-cjk-sans
    noto-fonts-color-emoji
    liberation_ttf
    fira-code
    fira-code-symbols
    mplus-outline-fonts.githubRelease
    dina-font
    proggyfonts
  ];
  fonts.enableDefaultPackages = true;

  programs.zsh.enable = true;

  boot = {

    plymouth = {
      enable = true;
      theme = "lone";
      themePackages = with pkgs;
        [
          (adi1090x-plymouth-themes.override { selected_themes = [ "lone" ]; })
        ];
    };

    consoleLogLevel = 3;
    initrd.verbose = false;
    kernelModules = [ "tun" ]; # check if tun really needed
    kernelPackages = pkgs.linuxPackages_latest;
    kernelParams = [
      "quiet"
      "splash"
      "boot.shell_on_fail"
      "udev.log_priority=3"
      "rd.systemd.show_status=auto"
    ];
    loader.timeout = 0;
  };
}