#
# Hardware settings for Teclast F5 10" Laptop
# NixOS @ sda2
#
# flake.nix
#  └─ ./hosts
#      └─ ./laptop
#          └─ hardware-configuration.nix *
#
# 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 = ["ahci" "xhci_pci" "usb_storage" "usbhid" "sd_mod" "sdhci_pci" "rtsx_usb_sdmmc"];
      kernelModules = ["i915" "kvm_intel"];
      systemd.enable = true;
      luks = {
        devices."root" = {
          device = "/dev/disk/by-uuid/75eccc7f-30b0-4fe8-8f82-90edaf284cd5";
          allowDiscards = true;
        };
      };
    };

    kernelModules = ["kvm-intel"];
    extraModprobeConfig = ''
      options i915 enable_guc=3 enable_fbc=1 fastboot=1
    '';
    kernelParams = ["mitigations=off" "luks.options=fido2-device=auto"];
    tmp.useTmpfs = true;
  };

  zramSwap.enable = true;

  services.btrfs.autoScrub = {
    enable = true;
    interval = "monthly";
    fileSystems = [
      "/"
    ];
  };

  services.btrbk = {
    instances = {
      hf = {
        onCalendar = "hourly";
        settings = {
          incremental = "yes";
          snapshot_create = "ondemand";
          snapshot_dir = "@snapshots";
          timestamp_format = "long";

          snapshot_preserve = "2m 2w 5d 5h";
          snapshot_preserve_min = "latest";

          volume = {
            "/mnt/snapshots/root" = {
              snapshot_create = "always";
              subvolume = {
                "@home" = {};
              };
            };
          };
        };
      };
    };
  };

  fileSystems."/" = {
    device = "/dev/mapper/root";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@,discard=async"];
  };

  fileSystems."/home" = {
    device = "/dev/mapper/root";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@home,discard=async"];
  };

  fileSystems."/srv" = {
    device = "/dev/mapper/root";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@srv,discard=async"];
  };

  fileSystems."/opt" = {
    device = "/dev/mapper/root";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@opt,discard=async"];
  };

  fileSystems."/nix" = {
    device = "/dev/mapper/root";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@nix,discard=async"];
  };

  fileSystems."/mnt/snapshots/root" = {
    device = "/dev/mapper/root";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvolid=5,discard=async"];
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-label/BOOT";
    fsType = "vfat";
  };

  fileSystems."/mnt/Pluto" = {
    device = "jupiter:/Pluto";
    fsType = "nfs";
    options = ["noauto,users,x-systemd.automount,x-systemd.device-timeout=10,soft,timeo=14,x-systemd.idle-timeout=1min,sec=sys,exec,nfsvers=4.2"];
  };

  fileSystems."/mnt/Mars" = {
    device = "jupiter:/Mars";
    fsType = "nfs";
    options = ["noauto,users,x-systemd.automount,x-systemd.device-timeout=10,soft,timeo=14,x-systemd.idle-timeout=1min,sec=sys,exec,nfsvers=4.2"];
  };

  swapDevices = [];

  networking = {
    useDHCP = false; # Deprecated
    hostName = "nbf5";
    wireless = {
      iwd.enable = true;
      interfaces = ["wlan0"];
    };
    interfaces = {
      wlan0 = {
        useDHCP = true; # For versatility sake, manually edit IP on nm-applet.
      };
    };
    firewall = {
      enable = true;
      #allowedUDPPorts = [ 53 67 ];
      allowedTCPPorts = [80 443];
    };
  };

  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
  powerManagement = {
    cpuFreqGovernor = lib.mkDefault "schedutil";
    powertop.enable = true;
  };
}