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

{
  # Kernel configuration
  boot = {
    kernelParams = [ "zfs.zfs_arc_max=536870912" ];
    kernelModules = [ "i915" "acpi_call" ];
    extraModulePackages = with config.boot.kernelPackages; [ acpi_call ];
    supportedFilesystems = [ "zfs" ];
  };

  # Intel CPU tweaks
  hardware.cpu.intel.updateMicrocode =
      lib.mkDefault config.hardware.enableRedistributableFirmware;

    hardware.opengl.extraPackages = with pkgs; [
      vaapiIntel
      vaapiVdpau
      libvdpau-va-gl
    ];

  # Bootloader configuration
  boot.loader = {
    timeout = 2;
    grub = {
      efiSupport = true;
      configurationLimit = 50;
      copyKernels = true;
    };
  };

  # Run Nix garbage collector, while avoiding compiling
  nix = {
    gc = {
      automatic = true;
      options = "--delete-older-than 14d";
    };
    extraOptions = ''
      keep-outputs = true
      gc-keep-outputs = true
    '';
  };

  # Clean tmp directory on shutdown
  boot.cleanTmpDir = true;

}