# 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, pkgs, modulesPath, ... }:

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

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

  fileSystems."/" =
    {
      device = "/dev/disk/by-uuid/23782fe8-86f7-4aa1-afc1-6586443d0d3e";
      fsType = "btrfs";
      options = [ "subvol=@" "compress=zstd" "noatime" ];
    };

  boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-uuid/1958da8c-d506-49a6-b983-dc8477d25b7c";

  fileSystems."/home" =
    {
      device = "/dev/disk/by-uuid/23782fe8-86f7-4aa1-afc1-6586443d0d3e";
      fsType = "btrfs";
      options = [ "subvol=@home" "compress=zstd" "noatime" ];
    };

  fileSystems."/swap" =
    {
      device = "/dev/disk/by-uuid/23782fe8-86f7-4aa1-afc1-6586443d0d3e";
      fsType = "btrfs";
      options = [ "subvol=@swap" "compress=zstd" "noatime" ];
    };

  fileSystems."/nix" =
    {
      device = "/dev/disk/by-uuid/23782fe8-86f7-4aa1-afc1-6586443d0d3e";
      fsType = "btrfs";
      options = [ "subvol=@nix" "compress=zstd" "noatime" ];
    };

  fileSystems."/var/log" =
    {
      device = "/dev/disk/by-uuid/23782fe8-86f7-4aa1-afc1-6586443d0d3e";
      fsType = "btrfs";
      options = [ "subvol=@log" "compress=zstd" "noatime" ];
    };

  fileSystems."/boot" =
    {
      device = "/dev/disk/by-uuid/8EFC-70D8";
      fsType = "vfat";
    };

  swapDevices = [{
    device = "/swap/swapfile";
    size = (1024 * 16) + (1024 * 2); # RAM size + 2GB
  }];

  boot.kernelParams = [ "resume_offset=19579486208" ];
  boot.resumeDevice = "/dev/disk/by-uuid/23782fe8-86f7-4aa1-afc1-6586443d0d3e";

  systemd.services = {
    create-swapfile = {
      serviceConfig.Type = "oneshot";
      wantedBy = [ "swap-swapfile.swap" ];
      script = ''
        swapfile="/swap/swapfile"
        if [[ -f "$swapfile" ]]; then
          echo "Swap file $swapfile already exists, taking no action."
        else
          echo "Setting up swap file $swapfile..."
          ${pkgs.coreutils}/bin/truncate -s 0 /swap/swapfile
          ${pkgs.e2fsprogs}/bin/chattr +C /swap/swapfile
          echo "Done."
        fi
      '';
    };
  };

  # 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.enp0s13f0u2u4.useDHCP = lib.mkDefault true;
  # networking.interfaces.wlp0s20f3.useDHCP = lib.mkDefault true;

  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
}