{
  config,
  lib,
  pkgs,
  ...
}:
{
  imports = [
    ./hardware-configuration.nix
    ../disk-config.nix
  ];

  environment.shellAliases = {
    rebuild = "sudo nixos-rebuild switch --flake ~/nixos/.#laptop";
    c = "nix-shell ~/nixos/shells/c.nix";
    js = "nix-shell ~/nixos/shells/js.nix";
    nix = "nix-shell ~/nixos/shells/nix.nix";
    rust = "nix-shell ~/nixos/shells/rust.nix";
    python = "nix-shell ~/nixos/shells/python.nix";
  };

  fonts.fontconfig.enable = true;

  fonts.packages = with pkgs; [ nerd-fonts.jetbrains-mono ];

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

  networking.hostName = "whoami"; # Define your hostname.

  # Configure network connections interactively with nmcli or nmtui.
  networking.networkmanager.enable = true;
  networking.networkmanager.wifi.powersave = false;

  # Set your time zone.
  time.timeZone = "America/New_York";

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

  # Gnome Desktop.
  services.desktopManager.gnome.enable = true;
  services.displayManager.gdm.enable = true;
  services.gnome.gnome-software.enable = true;
  services.gnome.core-apps.enable = true;
  services.gnome.games.enable = false;

  services.flatpak.enable = true;
  hardware.graphics.enable = true;

  # Enable CUPS to print documents.
  services.printing.enable = true;

  # Enable sound.
  services.pipewire = {
    enable = true;
    pulse.enable = true;
  };

  # Enable touchpad support (enabled default in most desktopManager).
  services.libinput.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  programs.bash.enable = true;
  programs.bash.completion.enable = true;
  users.defaultUserShell = pkgs.bash;

  users.users.ifrahim = {
    isNormalUser = true;
    extraGroups = [
      "networkmanager"
      "wheel"
    ]; # Enable ‘sudo’ for the user.
    initialPassword = "Smsia2004";
  };

  environment.systemPackages = with pkgs; [
    home-manager
    curl
    wget
    btop
  ];

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

  # This option defines the first version of NixOS you have installed on this particular machine,
  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
  #
  # Most users should NEVER change this value after the initial install, for any reason,
  # even if you've upgraded your system to a new NixOS release.
  #
  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
  # to actually do that.
  #
  # This value being lower than the current NixOS release does NOT mean your system is
  # out of date, out of support, or vulnerable.
  #
  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
  # and migrated your data accordingly.
  #
  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
  system.stateVersion = "25.11"; # Did you read the comment?
}
