{ config, pkgs, lib, system, ... }:

{
  config = {
    homelab = {
      apps.jellyfin.enable = true;
      virtualisation.guest.enable = true;
    };

    networking = {
      hostId = "aaaa2200";
      domain = "roxanne.depeuter.dev";

      useDHCP = false;

      enableIPv6 = true;

      defaultGateway = {
        address = "192.168.0.1";
        interface = "ens18";
      };

      # Open ports in the firewall.
      firewall = {
        enable = true;
      };

      interfaces.ens18 = {
        ipv4.addresses = [
          {
            address = "192.168.0.94";
            prefixLength = 24;
          }
        ];
      };

      nameservers = [
        "1.1.1.1" # Cloudflare
        "1.0.0.1" # Cloudflare
      ];
    };

    system.stateVersion = "24.11";

    ### Nvidia GPU support ###

    services.xserver.videoDrivers = [ "nvidia" ];

    # virtualisation.docker.package = pkgs.nvidia-docker;

    nixpkgs.config = {
      allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
        "nvidia-x11"
        "nvidia-settings"
        "nvidia-persistenced"
      ];

      # enable vaapi on OS-level
      # packageOverrides = pkgs: {
        # vaapiIntel = pkgs.vaapiIntel.override {
        #   enableHybridCodec = true;
        # };
      # };
    };

    hardware = {
      graphics = {
        enable = true;
        # driSupport = true;
        # driSupport32Bit = true;
        extraPackages = with pkgs; [
          # intel-media-driver
          # intel-vaapi-driver # previously vaapiIntel
          # vaapiVdpau
          # intel-compute-runtime # OpenCL filter support (hardware tonemapping and subtitle burn-in)
          # unstable.vpl-gpu-rt # QSV on 11th gen or newer
          # intel-media-sdk # QSV up to 11th gen
        ];
      };

      nvidia = {
        package = config.boot.kernelPackages.nvidiaPackages.stable;
        # Whether to enable kernel modesetting when using the NVIDIA proprietary driver.
        modesetting.enable = true;
#         powerManagement = {
#           enable = false;
#           finegrained = false;
#         };
        open = false;
        nvidiaSettings = false;

        # Whether to enable nvidia-persistenced a update for NVIDIA GPU headless mode, i.e. It ensures all GPUs stay awake even during headless mode .
        # nvidiaPersistenced = true;
      };
      nvidia-container-toolkit.enable = true;
    };
  };
}