{pkgs, ...}: {
  imports = [
    {
      system.stateVersion = "24.11";
      home-manager.users.daniel.home.stateVersion = "24.11";
      networking.hostName = "foxtrot";
    }
    {
      swapDevices = [
        # TODO: move this to disko?
        # NOTE(oninstall):
        /*
        sudo btrfs subvolume create /swap
        sudo btrfs filesystem mkswapfile --size 32g --uuid clear /swap/swapfile
        sudo swapon /swap/swapfile
        */
      ];
      # findmnt -no UUID -T /swap/swapfile
      # boot.resumeDevice = "/dev/disk/by-uuid/81c3354a-f629-4b6b-a249-7705aeb9f0d5";
      # systemd.sleep.extraConfig = "HibernateDelaySec=180m";
      services.fwupd.enable = true;
      services.fwupd.extraRemotes = ["lvfs-testing"];
    }
  ];

  environment = {
    systemPackages = with pkgs; [
      easyeffects
      godot_4
      fractal
      prismlauncher
      upower
      acpi
      prismlauncher
      radeontop
      sops
      xh
    ];
  };

  home-manager.users.daniel = {
    home = {
      pointerCursor = {
        size = 40;
      };
    };

    services.easyeffects = {
      enable = true;
      preset = "philonmetal";
      # clone from https://github.com/ceiphr/ee-framework-presets
      # then `cp *.json ~/.config/easyeffects/output`
      # TODO: nixify this
    };

    programs.hyprlock.settings = {
      label = [
        {
          monitor = "";
          font_size = 32;

          halign = "center";
          valign = "center";
          text_align = "center";
          color = "rgba(255, 255, 255, 0.5)";

          position = "0 -500";
          font_family = "IosevkaLyteTerm";
          text = "cmd[update:30000] acpi";

          shadow_passes = 3;
          shadow_size = 1;
          shadow_color = "rgba(0, 0, 0, 1.0)";
          shadow_boost = 1.0;
        }
      ];
    };
    services.hypridle = let
      secondsPerMinute = 60;
      lockSeconds = 10 * secondsPerMinute;
    in {
      settings = {
        listener = [
          {
            timeout = lockSeconds + 55;
            on-timeout = ''systemctl suspend'';
          }
        ];
      };
    };

    wayland.windowManager.hyprland = {
      settings = {
        exec-once = [
          "eww open bar0"
        ];
        # See https://wiki.hyprland.org/Configuring/Keywords/ for more
        monitor = [
          "eDP-1,2880x1920@120Hz,0x0,1.5"
        ];
      };
    };

    wayland.windowManager.sway = {
      config = {
        output = {
          "BOE NE135A1M-NY1 Unknown" = {
            mode = "2880x1920@120Hz";
            position = "1092,2160";
            scale = toString (5 / 3);
          };

          "Dell Inc. DELL U2720Q CWTM623" = {
            mode = "3840x2160@60Hz";
            position = "0,0";
            scale = toString 1.25;
          };

          /*
          "BOE 0x0BCA Unknown" = {
            mode = "2256x1504@60Hz";
            position = "0,0";
            scale = toString scale;
          };

          "Dell Inc. DELL U2720Q D3TM623" = {
            # desktop left vertical monitor
            mode = "1920x1080@60Hz";
            # transform = "90";
            # scale = "1.5";
            position = "${toString (builtins.floor (2256 / scale))},0";
          };
          */
        };
      };
    };
  };

  hardware.graphics.extraPackages = [
    # pkgs.rocmPackages.clr.icd
    pkgs.amdvlk

    # encoding/decoding acceleration
    pkgs.libvdpau-va-gl
    pkgs.vaapiVdpau
  ];

  hardware.amdgpu = {
    amdvlk = {
      enable = true;
      support32Bit = {
        enable = true;
      };
    };
  };

  networking.networkmanager.wifi.powersave = false;

  hardware.framework.amd-7040.preventWakeOnAC = true;

  boot = {
    # kernelPackages = pkgs.linuxPackages_latest;

    # https://github.com/void-linux/void-packages/issues/50417#issuecomment-2131802836 fix framework 13 not shutting down
    /*
    kernelPatches = [
      {
        name = "framework13shutdownfix";
        patch = builtins.fetchurl {
          url = "https://github.com/void-linux/void-packages/files/15445612/0001-Add-hopefully-a-solution-for-shutdown-regression.PATCH";
          sha256 = "sha256:10zcnzy5hkam2cnxx441b978gzhvnqlcc49k7bpz9dc28xyjik50";
        };
      }
    ];
    */

    loader = {
      efi.canTouchEfiVariables = true;
      systemd-boot.enable = true;
    };

    # NOTE(oninstall):
    /*
    sudo filefrag -v /swap/swapfile | awk '$1=="0:" {print substr($4, 1, length($4)-2)}'
    the above won't work for btrfs, instead you need btrfs inspect-internal map-swapfile -r /swap/swapfile
    https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate#Hibernation_into_swap_file
    many of these come from https://wiki.archlinux.org/title/Framework_Laptop_13#Suspend
    */
    kernelParams = [
      "rtc_cmos.use_acpi_alarm=1"
      "amdgpu.sg_display=0"
      "acpi_osi=\"!Windows 2020\""

      # "nvme.noacpi=1" # maybe causing crashes upon waking?

      # NOTE(oninstall):
      "resume_offset=3421665"
    ];
    initrd.availableKernelModules = ["xhci_pci" "nvme" "thunderbolt"];
    kernelModules = ["kvm-amd"];
  };
  hardware.bluetooth = {
    enable = true;
    # TODO: when resuming from hibernation, it would be nice if this would
    # simply resume the power state at the time of hibernation
    powerOnBoot = false;

    package = pkgs.bluez.overrideAttrs (finalAttrs: previousAttrs: rec {
      version = "5.78";
      src = pkgs.fetchurl {
        url = "mirror://kernel/linux/bluetooth/bluez-${version}.tar.xz";
        sha256 = "sha256-gw/tGRXF03W43g9eb0X83qDcxf9f+z0x227Q8A1zxeM=";
      };
      patches = [];
      buildInputs =
        previousAttrs.buildInputs
        ++ [
          pkgs.python3Packages.pygments
        ];
    });
  };
  powerManagement.cpuFreqGovernor = "ondemand";
  /*
  powerManagement.resumeCommands = ''
    modprobe -rv mt7921e
    modprobe -v mt7921e
  '';
  */

  services.power-profiles-daemon = {
    enable = true;
  };

  services.fprintd = {
    enable = false;
    package = pkgs.fprintd.overrideAttrs {
      # Source: https://github.com/NixOS/nixpkgs/commit/87ca2dc071581aea0e691c730d6844f1beb07c9f
      mesonCheckFlags = [
        # PAM related checks are timing out
        "--no-suite"
        "fprintd:TestPamFprintd"
      ];
    };
  };

  /*
  services.tlp = {
    enable = true;
    settings = {
      CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
      CPU_SCALING_GOVERNOR_ON_BAT = "ondemand";
      CPU_MIN_PERF_ON_BAT = 0;
      CPU_MAX_PERF_ON_BAT = 80;

      CPU_SCALING_GOVERNOR_ON_AC = "performance";
      CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
      CPU_MIN_PERF_ON_AC = 0;
      CPU_MAX_PERF_ON_AC = 100;
    };
  };
  */

  networking.firewall.allowedTCPPorts = let
    stardewValley = 24642;
    factorio = 34197;
  in [
    8000 # dev stuff
    factorio
    stardewValley
    7777
  ];
  networking.firewall.allowedUDPPorts = let
    stardewValley = 24642;
    factorio = 34197;
  in [
    8000 # dev stuff
    factorio
    stardewValley
    7777
  ];
}