# Shared configuration across all machines
# Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running 'nixos-help').
# man configuration.nix

{
  config,
  pkgs,
  inputs,
  ...
}:

{
  imports = [
    inputs.home-manager.nixosModules.default
  ];

  # Bootloader
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # Use latest kernel
  boot.kernelPackages = pkgs.linuxPackages_latest;

  # Networking
  networking.networkmanager.enable = true;
  time.timeZone = "Europe/Lisbon";
  i18n.defaultLocale = "en_US.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "pt_PT.UTF-8";
    LC_IDENTIFICATION = "pt_PT.UTF-8";
    LC_MEASUREMENT = "pt_PT.UTF-8";
    LC_MONETARY = "pt_PT.UTF-8";
    LC_NAME = "pt_PT.UTF-8";
    LC_NUMERIC = "pt_PT.UTF-8";
    LC_PAPER = "pt_PT.UTF-8";
    LC_TELEPHONE = "pt_PT.UTF-8";
    LC_TIME = "pt_PT.UTF-8";
  };

  # Enable Wayland
  services.xserver.enable = true;
  services.displayManager.gdm.enable = true;
  services.desktopManager.gnome.enable = true;

  # Keymap
  services.xserver.xkb = {
    layout = "us";
    variant = "altgr-intl";
    options = "terminate:ctrl_alt_bksp";
  };

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

  # Enable sound with pipewire
  services.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    #jack.enable = true;
  };

  # Define a user account.
  users.users.trude = {
    isNormalUser = true;
    description = "TrudeEH";
    extraGroups = [
      "networkmanager"
      "wheel"
    ];
    packages = with pkgs; [ ];
  };

  home-manager = {
    useUserPackages = true;
    useGlobalPkgs = true;
    backupFileExtension = "~";
    extraSpecialArgs = { inherit inputs; };
    users = {
      "trude" = import ./home.nix;
    };
  };

  # Packages
  nixpkgs.config.allowUnfree = true;
  environment.systemPackages = with pkgs; [
    git
  ];
  system.autoUpgrade = {
    enable = true;
    flake = inputs.self.outPath;
    flags = [
      "--update-input"
      "nixpkgs"
      "-L"
    ];
    dates = "09:00";
    randomizedDelaySec = "45min";
  };
  # Allow running executables
  programs.nix-ld.enable = true;
  programs.nix-ld.libraries = with pkgs; [
    # Add missing dynamic libraries for unpackaged executables here.
  ];
  nix.settings.experimental-features = [
    "nix-command"
    "flakes"
  ];

  # Steam and VR
  programs.steam = {
    enable = true;
    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
  };
  services.wivrn = {
    enable = true;
    openFirewall = true;
    # Write information to /etc/xdg/openxr/1/active_runtime.json, VR applications
    # will automatically read this and work with WiVRn (Note: This does not currently
    # apply for games run in Valve's Proton)
    defaultRuntime = true;
    autoStart = true;
  };
  # Kernel patch for SteamVR performance issues on AMD GPUs (recompiles the kernel)
  boot.kernelPatches = [
    {
      name = "amdgpu-ignore-ctx-privileges";
      patch = pkgs.fetchpatch {
        name = "cap_sys_nice_begone.patch";
        url = "https://github.com/Frogging-Family/community-patches/raw/master/linux61-tkg/cap_sys_nice_begone.mypatch";
        hash = "sha256-Y3a0+x2xvHsfLax/uwycdJf3xLxvVfkfDVqjkxNaYEo=";
      };
    }
  ];

  # 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.enable = true;
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];

  system.stateVersion = "25.11"; # Don't change after initial installation.

}