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

{
  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
  boot.initrd.kernelModules = [ "dm-snapshot" ];
  boot.kernelModules = [ ];
  boot.extraModulePackages = [ ];

  fileSystems."/" =
    { device = "/dev/disk/by-uuid/7e660e53-6c56-4679-ab25-3a2b1eacaebd";
      fsType = "btrfs";
      options = [ "subvol=root" ];
    };

  fileSystems."/persist" =
    { device = "/dev/disk/by-uuid/7e660e53-6c56-4679-ab25-3a2b1eacaebd";
      fsType = "btrfs";
      options = [ "subvol=persist" ];
    };

  fileSystems."/nix" =
    { device = "/dev/disk/by-uuid/7e660e53-6c56-4679-ab25-3a2b1eacaebd";
      fsType = "btrfs";
      options = [ "subvol=nix" ];
    };

  fileSystems."/.swapvol" =
    { device = "/dev/disk/by-uuid/7e660e53-6c56-4679-ab25-3a2b1eacaebd";
      fsType = "btrfs";
      options = [ "subvol=swap" ];
    };

  fileSystems."/boot" =
    { device = "/dev/disk/by-uuid/3DC4-7CCE";
      fsType = "vfat";
      options = [ "fmask=0022" "dmask=0022" ];
    };

  swapDevices = [
    {
      device = "/.swapvol/swapfile";
      size = 2 * 1024;
    }
  ];

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;

  # Add hardware support for intel gpus as specified here: https://nixos.wiki/wiki/Jellyfin
  nixpkgs.config.packageOverrides = pkgs: {
    vaapiIntel = pkgs.vaapiIntel.override {enableHybridCodec = true;};
  };

  hardware.graphics = {
    enable = true;
    extraPackages = with pkgs; [
      intel-media-driver
      intel-vaapi-driver
      vaapiVdpau
      libvdpau-va-gl
      intel-compute-runtime
      # only available on unstable
      unstable.vpl-gpu-rt
      intel-media-sdk
    ];
  };

  boot = {
    loader = {
      systemd-boot.enable = true;
      efi.canTouchEfiVariables = true;
      timeout = 3;
    };
  };
  boot.kernelParams = ["i915.enable_psr=0"];
}