{
  config,
  lib,
  pkgs,
  util,
  ...
}:
# Keybound screen recording: pick a region, then toggle a video-only capture.
let
  # A single key both starts and stops.
  # A running wf-recorder is stopped with SIGINT so it finalises the file.
  # Otherwise slurp picks a region and wf-recorder runs in the foreground until
  # that stop arrives, so this instance lives for the whole recording and then
  # reports it saved.
  # No -a means no audio is captured.
  toggle = pkgs.writeShellScript "screen-record-toggle" ''
    if ${lib.getExe' pkgs.procps "pgrep"} -x wf-recorder >/dev/null; then
      ${lib.getExe' pkgs.procps "pkill"} -INT -x wf-recorder
      exit 0
    fi

    region=$(${lib.getExe pkgs.slurp}) || exit 0
    dir="$(${lib.getExe' pkgs.xdg-user-dirs "xdg-user-dir"} VIDEOS)/Recordings"
    ${lib.getExe' pkgs.coreutils "mkdir"} -p "$dir"
    file="$dir/recording-$(${lib.getExe' pkgs.coreutils "date"} +%Y%m%d-%H%M%S).mp4"

    ${lib.getExe' pkgs.libnotify "notify-send"} -a "Screen recording" "Recording started" "Region capture, no audio."
    ${lib.getExe pkgs.wf-recorder} -g "$region" -f "$file"
    ${lib.getExe' pkgs.libnotify "notify-send"} -a "Screen recording" "Recording saved" "$file"
  '';

  # Lit while a wf-recorder capture is running.
  # Empty text collapses the widget when idle, so it shows nothing until then.
  recordingStatus = pkgs.writeShellScript "waybar-recording-status" ''
    if ${lib.getExe' pkgs.procps "pgrep"} -x wf-recorder >/dev/null; then
      printf '{"text":"${util.glyph "f03d"}","tooltip":"Recording","class":"recording"}\n'
    else
      printf '{"text":"","class":"idle"}\n'
    fi
  '';
in
{
  options.modules.desktop.utilities.recording.enable =
    lib.mkEnableOption "wf-recorder screen recording";

  config = lib.mkIf config.modules.desktop.utilities.recording.enable {
    registry.keybind.${config.networking.hostName}.recording-toggle = {
      keys = "SUPER + SHIFT + R";
      action = {
        kind = "exec";
        command = "${toggle}";
      };
    };

    registry.waybar.${config.networking.hostName}."custom/recording" = {
      order = 10;
      settings = {
        return-type = "json";
        exec = "${recordingStatus}";
        interval = 1;
      };
    };
  };
}