{
  # Snowfall Lib provides a customized `lib` instance with access to your flake's library
  # as well as the libraries available from your flake's inputs.
  lib,
  # You also have access to your flake's inputs.
  inputs,

  # All other arguments come from NixPkgs. You can use `pkgs` to pull packages or helpers
  # programmatically or you may add the named attributes as arguments here.
  pkgs,
  stdenv,
  ...
}:

pkgs.writeShellApplication {
  name = "pulseaudio-popup";

  runtimeInputs = with pkgs; [
    pavucontrol
    jgmenu
  ];

  text = ''
    HDMI_SINK="alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__hw_sofhdadsp_3__sink"
    LAPTOP_SINK="alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__hw_sofhdadsp__sink"

    HDMI_ICON=$(pactl info | grep -q $HDMI_SINK && echo "checkbox")
    LAPTOP_ICON=$(pactl info | grep -q $LAPTOP_SINK && echo "checkbox")

    HDMI_VOLUME=$(pactl get-sink-volume $HDMI_SINK | head -n 1 | awk '{print $5}')
    LAPTOP_VOLUME=$(pactl get-sink-volume $LAPTOP_SINK | head -n 1 | awk '{print $5}')

    read -r -d "" CONF <<EOF
    Open Pavucontrol,pavucontrol,pavucontrol

    ^sep()
    HDMI - $HDMI_VOLUME,pactl set-default-sink $HDMI_SINK,$HDMI_ICON
    Laptop - $LAPTOP_VOLUME,pactl set-default-sink $LAPTOP_SINK,$LAPTOP_ICON
    EOF

    echo "$CONF" | jgmenu --simple
  '';
}