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

let
  subvolume = {
    device = "/dev/disk/by-uuid/6a0d25d4-0253-4467-85cc-ab3e0ef71f54";
    fsType = "btrfs";
  };
in

{
  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];

  boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usb_storage" "sd_mod" "sdhci_pci" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ "kvm-intel" ];
  boot.extraModulePackages = [ ];

  boot.initrd.luks.devices."cryptroot" = {
    device = "/dev/disk/by-uuid/eaad533f-8586-4002-9c53-5aecf8e7abd8";
    allowDiscards = true;
  };

  fileSystems."/" = subvolume // {
    options = [ "subvol=root" "compress=zstd" "discard=async" ];
  };

  # the following subvolumes are automatically mounted and won't be snapshotted:
  # /home/till/.local/share/Steam
  # /home/till/.cache
  # /home/till/tmp

  # todo:
  # /home/till/.mozilla/firefox
  # /home/till/.config/Mattermost/Cache

  fileSystems."/nix" = subvolume // {
    options = [ "subvol=nix" "compress=zstd" "noatime" "discard=async" ];
  };

  fileSystems."/home" = subvolume // {
    options = [ "subvol=home" "compress=zstd" "discard=async" ];
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-uuid/7362-C4C4";
    fsType = "vfat";
  };

  swapDevices = [{
    device = "/swapfile";
    size = 8 * 1045;
  }];

  networking.useDHCP = lib.mkDefault true;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
  hardware.trackpoint.enable = true;
  boot.kernelParams = [ "psmouse.elantech_smbus=0" ];

}