configuration.nix

# 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, lib, inputs, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      # Configuration for apps in home dir
      ./home-manager.nix
      #<home-manager/nixos>
      # ./greetd.nix
    ];

  ## FOR NEOVIM NIGHTLY
  # nixpkgs.overlays = [
  #   inputs.neovim-nightly-overlay.overlay
  # ];

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

  #boot.loader.grub.enable = true;
  #boot.loader.grub.version = 2;
  #boot.loader.grub.device = "/dev/sdc";
  
 
  networking.networkmanager.enable = true;
  networking.hostName = "nixos"; # Define your hostname.

  # 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;
  networking.interfaces.enp0s31f6.useDHCP = true;
  networking.interfaces.wlp4s0.useDHCP = true;
  networking.interfaces.wwp0s20f0u3c2.useDHCP = true;

  # 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";
  };

  # Set your time zone.
  time.timeZone = "Europe/Kiev";

  # non-free soft
  nixpkgs.config.allowUnfree = true; 

  #To protect your nix-shell against garbage collection 
  #you also need to add these options to your Nix configuration.
  nix.extraOptions = ''
    keep-outputs = true
    keep-derivations = true
  '';

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

  # 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;
  #   pinentryFlavor = "gnome3";
  # };

  # 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;

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

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

  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    # If you want to use JACK applications, uncomment this
    jack.enable = true;

    # use the example session manager (no others are packaged yet so this is enabled by default,
    # no need to redefine it in your config for now)
    #media-session.enable = true;
  };
  hardware.bluetooth.enable = false;

  xdg.portal = {
    enable = true;
    extraPortals = with pkgs; [
      xdg-desktop-portal-wlr
      xdg-desktop-portal-gtk
    ];
    gtkUsePortal = true;
  };

  nixpkgs.config.packageOverrides = pkgs: {
    caapiIntel = pkgs.vaapiIntel.override { enableHybridCodec  = true; };
  };

  hardware.opengl = { 
    enable = true;
    extraPackages = with pkgs; [
      intel-media-driver # LIBVA_DRIVER_NAME=iHD
      vaapiIntel         # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
      vaapiVdpau
      libvdpau-va-gl
    ]; 
  };

  # Enable the X11 windowing system.
  # services.xserver.enable = true;
  # services.xserver.layout = "us";
  # services.xserver.xkbOptions = "eurosign:e";
  programs.sway.enable = true;

  # Enable touchpad support.
  # services.xserver.libinput.enable = true;

  # Enable the KDE Desktop Environment.
  # services.xserver.displayManager.sddm.enable = true;
  # services.xserver.desktopManager.plasma5.enable = true;
  
  #Enable custom capslock behaviour
  services.interception-tools.enable = true;

  # For battery saving
  services.tlp.enable = true;
  
  # Battery power management
  services.upower.enable = true;

  #for yarn/npm project dev
  boot.kernel.sysctl = {
    "fs.inotify.max_user_watches"=524288;
  };

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

  users.users.tim.password = "";
  users.mutableUsers = false;

  # 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 = "20.03"; # Did you read the comment?

}