{ pkgs, ... }:
{
  # Many settings should be handled by home manager. System-wide settings are however managed here.

  nixpkgs.config.allowUnfree = true;

  nix = {
    gc = {
      automatic = true;
      options = "--delete-older-than 2d";
    };

    settings.experimental-features = ["nix-command" "flakes"];
  };

  # System packages for all users
  environment.systemPackages = [
    pkgs.ripgrep
    pkgs.wget
  ];

  users.users.felixalb = {
    home = "/Users/felixalb";
    shell = pkgs.zsh;
  };

  programs.zsh.enable = true;
  system.activationScripts.postActivation.text = ''sudo chsh -s ${pkgs.zsh}/bin/zsh''; # Since it's not possible to declare default shell, run this command after build

  system.defaults = {
    # login window settings
    loginwindow = {
      # disable guest account
      GuestEnabled = false;
      # show name instead of username
      SHOWFULLNAME = false;
    };

    finder = {
      AppleShowAllExtensions = true;
      FXEnableExtensionChangeWarning = true;
      _FXShowPosixPathInTitle = true;
    };


    # firewall settings
    alf = {
      # 0 = disabled 1 = enabled 2 = blocks all connections except for essential services
      globalstate = 1;
      loggingenabled = 0;
      stealthenabled = 1;
    };

    # dock settings
    dock = {
      autohide = true;
      autohide-delay = 0.0;
      autohide-time-modifier = 1.0;
      tilesize = 80;
      static-only = false;
      showhidden = false;
      show-recents = false;
      show-process-indicators = true;
      orientation = "bottom";
      mru-spaces = false;
    };
  };

  system.keyboard = {
    enableKeyMapping = true;
    remapCapsLockToControl = true;
  };

  # Auto upgrade nix package and the daemon service.
  services.nix-daemon.enable = true;
  nix.package = pkgs.nix;
}