{ config, pkgs, ...}:

{
  # Use the systemd-boot EFI boot loader.
  boot.kernelPackages = pkgs.linuxKernel.packages.linux_5_14;
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  nixpkgs.config.allowUnfree = true;

  # nix flakes compatibility
  nix = {
    extraOptions = ''
      experimental-features = nix-command flakes
    '';
   };

  networking.networkmanager.enable = true;
  programs.nm-applet.enable = true;

  # Set time zone.
  time.timeZone = "Europe/London";

  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
  # Per-interface useDHCP will be mandatory in the future, so this generated config
  # replicates the default behaviour.
  networking.useDHCP = false;

  console = {
    useXkbConfig = true;
  };

  # Enable the X11 windowing system.
  services.xserver = {
    enable = true;
    layout = "gb";

    libinput = {
      enable = true;
      mouse = {
        accelProfile = "flat";
	accelSpeed = "1";
      };
    };

    displayManager = {
      gdm.enable = true;
    };

    windowManager.i3.enable = true;

  };
  

  # Enable sound.
  sound.enable = true;
  hardware.pulseaudio.enable = true;

  hardware.opengl.driSupport32Bit = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.daniel = {
    isNormalUser = true;
    home = "/home/daniel";
    initialPassword = "password";
    extraGroups = [ "wheel" "networkmanager" ]; # Enable ‘sudo’ for the user.
    shell = pkgs.zsh;
  };

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    curl
    fd
    firefox
    git
    i3
    ripgrep
    wget
    zsh
  ];

  environment.homeBinInPath = true;
  
  programs.zsh = {
    enable = true;
    ohMyZsh = {
      enable = true;
      plugins = [ "git" "fzf" ];
      theme = "agnoster";
    };
  };

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

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "21.05"; # Did you read the comment?

}