# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, ... }:

let
  user = "elnu";
in
{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      #<home-manager/nixos>
    ];

  # Use the GRUB 2 boot loader.
  boot.loader = {
    efi = {
      canTouchEfiVariables = true;
      efiSysMountPoint = "/boot";
    };
    grub = {
      efiSupport = true;
      device = "nodev";
      # 1024x768 is the closest supported resolution to X220's native 1366x768
      # To see a list of supported GRUB resolutions, enter GRUB,
      # press e, F2 to enter command mode, and then type videoinfo to see list
      gfxmodeEfi = "1024x768";
    };
  };

  networking.hostName = "elnupad"; # Define your hostname.
  # Pick only one of the below networking options.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.

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

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Select internationalisation properties.
  # i18n.defaultLocale = "en_US.UTF-8";
  # console = {
  #   font = "Lat2-Terminus16";
  #   keyMap = "us";
  #   useXkbConfig = true; # use xkbOptions in tty.
  # };

  # Enable the X11 windowing system.
  services = {
    xserver = {
      enable = true;
      libinput = {
        enable = true;
        touchpad = {
          naturalScrolling = true;
          tapping = true;
        };
      };
      displayManager = {
      	lightdm.enable = true;
        #sddm.enable = true;
        defaultSession = "none+i3";
      };
      windowManager.i3 = {
        enable = true;
        package = pkgs.i3-gaps;
      };
    };
  };

  # Configure keymap in X11
  # services.xserver.layout = "us";

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

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

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

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.${user} = {
    isNormalUser = true;
    extraGroups = [ "wheel" "audio" "video" "optical" "storage" ];
    initialPassword = "password";
  };

  nixpkgs.config.allowUnfree = true;

  nix = {
    package = pkgs.nixVersions.stable; # flakes
    extraOptions = "experimental-features = nix-command flakes";
  };

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    rustc
    cargo
  ];

  fonts.fonts = with pkgs; [
    noto-fonts
    noto-fonts-cjk
    (nerdfonts.override { fonts = [ "FiraCode" ]; }) # required for icons
  ];

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:

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

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = 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 = "22.05"; # Did you read the comment?

}