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

{

  networking = {
    hostName = "helium";
    networkmanager.enable = true;
  };

  time.timeZone = "America/Los_Angeles";

  environment.systemPackages = with pkgs; [
    wget
    vnstat
  ];

  fonts.fonts = with pkgs; [
    google-fonts mononoki source-code-pro fantasque-sans-mono hack-font
    fira fira-code fira-code-symbols
  ];

  nixpkgs = {
    config = {
      allowUnfree = true;
      allowBroken = true;
    };
  };

  hardware = {
    opengl.enable = true;
    pulseaudio = {
      enable = true;
      extraConfig = ''
        load-module module-loopback
      '';
    };
  };

  virtualisation = {
    libvirtd.enable = true;
    docker.enable = true;
    virtualbox.guest.enable = true;
    virtualbox.host.enable = true;
    virtualbox.host.headless = false;
    virtualbox.host.addNetworkInterface = true;

  };

  programs = {
    bash.enableCompletion = true;
    command-not-found.enable = true;
    gnupg.agent = {
      enable = true;
      enableSSHSupport = true;
    };
    mosh.enable = true;
  };

  services = {
    pcscd = {
      enable = true;
    };

    fractalart = {
      enable = true;
    };

    logind = {
      lidSwitch = "suspend";
      extraConfig = "IdleAction=lock";
    };

    printing.enable = true;

    xserver = {
      enable = true;
      layout = "us";
      libinput.enable = true;

      displayManager.sddm.enable = true;

      desktopManager = {
        plasma5.enable = true;
        xterm.enable = true;
     };
    };

    vnstat.enable = true;

    # security stuff
    fail2ban.enable = false;
    clamav = {
      daemon.enable = false;
      updater.enable = false;
    };
  };

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

  powerManagement.enable = true;

  nix = {
    gc = {
      automatic = true;
      dates = "03:15";
    };
    binaryCaches =  [ "https://cache.nixos.org/" ];
    nixPath = [
      "nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs"
      "nixos-config=/etc/nixos/configuration.nix"
      "/nix/var/nix/profiles/per-user/root/channels"
    ];
    extraOptions = ''
      gc-keep-outputs = true
      gc-keep-derivations = true
    '';
  };

  # This value determines the NixOS release with which your system is to be
  # compatible, in order to avoid breaking some software such as database
  # servers. You should change this only after NixOS release notes say you
  # should.
  system.stateVersion = "19.03"; # Did you read the comment?
  system.autoUpgrade.enable = true;

}