# Do not modify this file!  It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations.  Please make changes
# to /etc/nixos/configuration.nix instead.
{
  config,
  lib,
  modulesPath,
  pkgs,
  ...
}: {
  imports = [
    (modulesPath + "/installer/scan/not-detected.nix")
  ];
  services.xserver.videoDrivers = ["nvidia"]; # or "nvidiaLegacy470 etc.
  hardware = {
    graphics = {
      enable = true;
      enable32Bit = true;
      extraPackages = with pkgs; [
        # intel-vaapi-driver
        nvidia-vaapi-driver
        # vaapiVdpau
        # libvdpau-va-gl
      ];
    };
    nvidia = {
      open = false;
      modesetting.enable = true;
      powerManagement.enable = true;
      powerManagement.finegrained = false;
      nvidiaSettings = true;
      package = config.boot.kernelPackages.nvidiaPackages.beta;
    };
    cpu.intel.updateMicrocode =
      lib.mkDefault config.hardware.enableRedistributableFirmware;
    firmware = [pkgs.linux-firmware];
  };

  # nixpkgs.localSystem = {system = "x86_64-linux";};
  # nixpkgs.crossSystem = {system = "aarch64-linux";};
  boot.binfmt.emulatedSystems = ["aarch64-linux"];
  services.fprintd.enable = true;
  services.sshd.enable = true;
  boot.loader.systemd-boot.consoleMode = "max";

  environment.sessionVariables = {
    # LIBVA_DRIVER_NAME = "i965";
    # __EGL_VENDOR_LIBRARY_FILENAMES = "/run/opengl-driver/share/glvnd/egl_vendor.d/50_mesa.json";
    LIBVA_DRIVER_NAME = "nvidia";
    NVD_BACKEND = "direct";
    __GLX_VENDOR_LIBRARY_NAME = "nvidia";
    NIXOS_OZONE_WL = "1";
  };

  virtualisation.libvirtd.enable = true;
  users.extraUsers.servius.extraGroups = ["libvirtd" "adbusers" "kvm"];

  boot.extraModprobeConfig = ''
    options kvm_intel nested=1
    options kvm_intel emulate_invalid_guest_state=0
    options kvm ignore_msrs=1
  '';

  boot.initrd.availableKernelModules = [
    "vmd"
    "xhci_pci"
    "ahci"
    "nvme"
    "usbhid"
    "usb_storage"
    "sd_mod"
  ];
  boot.kernelModules = [
    "kvm-intel"
    "i2c-dev"
  ];
  boot.initrd.kernelModules = [
    "nvidia"
    "nvidia_modeset"
    "nvidia_drm"
  ];
  boot.kernelParams = [
    "intel_iommu=on"
    # "vfio-pci.ids="
  ];
  boot.extraModulePackages = [];
  boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
  boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = 1;

  services.udev.extraRules = ''
    KERNEL=="i2c-[0-9]*", GROUP="i2c", MODE="0660"
  '';

  fileSystems."/" = {
    device = "/dev/disk/by-uuid/11d8beef-2a63-4231-af35-b9b8d3a17e9b";
    fsType = "ext4";
  };

  fileSystems."/nix" = {
    device = "/dev/disk/by-uuid/64099f91-d4d6-44fa-92d4-9e905b3e7829";
    fsType = "ext4";
    neededForBoot = true;
    options = ["noatime"];
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-uuid/4E27-DAC0";
    fsType = "vfat";
  };

  fileSystems."/home" = {
    device = "/dev/disk/by-uuid/d0835bd2-62fd-48d3-a0d1-8ae659f2e727";
    fsType = "ext4";
  };

  fileSystems."/media" = {
    device = "/dev/storage/media";
    fsType = "ext4";
    options = ["users" "nofail"];
  };

  fileSystems."/games" = {
    device = "/dev/storage/games";
    fsType = "ext4";
    options = ["nofail"];
  };

  swapDevices = [];

  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
  # (the default) this is the recommended approach. When using systemd-networkd it's
  # still possible to use this option, but it's recommended to use it in conjunction
  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
  networking.useDHCP = lib.mkDefault true;
  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
  # networking.interfaces.wlp4s0.useDHCP = lib.mkDefault true;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}