{ pkgs, ... }:
{
  nix.settings.experimental-features = [
    "nix-command"
    "flakes"
  ];
  nix.settings.auto-optimise-store = true;
  nix.gc = {
    automatic = true;
    dates = "weekly";
    options = "--delete-older-than 30d";
  };
  nixpkgs.config.allowUnfree = true;

  networking.networkmanager.enable = true;
  time.timeZone = "Africa/Tunis";
  i18n.defaultLocale = "en_US.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "en_US.UTF-8";
    LC_IDENTIFICATION = "en_US.UTF-8";
    LC_MEASUREMENT = "en_US.UTF-8";
    LC_MONETARY = "en_US.UTF-8";
    LC_NAME = "en_US.UTF-8";
    LC_NUMERIC = "en_US.UTF-8";
    LC_PAPER = "en_US.UTF-8";
    LC_TELEPHONE = "en_US.UTF-8";
    LC_TIME = "en_US.UTF-8";
  };

  users.users.clw = {
    isNormalUser = true;
    description = "Chris Wong";
    shell = pkgs.zsh;
    extraGroups = [
      "networkmanager"
      "wheel"
      "scanner"
      "lp"
    ];
    packages = [ pkgs.firefox ];
  };
  programs.zsh.enable = true;
}