#!/bin/bash

function get_active_sink {
  pactl list short sinks | grep RUNNING | awk '{print $2}'
}

function get_active_source {
  pactl list short sources | grep RUNNING | awk '{print $2}'
}

function get_default_sink {
  pactl info | grep '^Default Sink:' | awk '{print $NF}'
}

function get_default_source {
  pactl info | grep '^Default Source:' | awk '{print $NF}'
}

function micmute {
  MODE=${1:-toggle}
  pactl set-source-mute $(get_default_source) ${MODE}
}

function mute {
  MODE=${1:-toggle}
  pactl set-sink-mute $(get_default_sink) ${MODE}
}

function volume {
  VOL="${1}"
  if test -z "${VOL}" ; then
    echo "Need volume spec!"
    exit 1
  fi
  pactl set-sink-volume $(get_default_sink) "${VOL}"
}

case "$1" in
  mute|micmute|volume)
    "$@"
    ;;
  *)
    echo "Unknown command!"
    exit 1
    ;;
esac