#!/bin/sh

helpme(){
  echo "$0 < v | b > < args >"
  echo "  args for v (volume) command:"
  echo "    u, d, m, mm (up, down, toggle mute, toggle mic mute)"
  echo "  args for b (brightness) command:"
  echo "    u, d (up, down)"
  exit 1
}

if [ -z "$2" ]; then
  helpme
fi

case ${1}${2} in
  "vu")
    amixer set Master 5%+; notify-send -u low -c volume volume $(amixer get Master | grep % | head -n 1 | awk '{print $5}')
    ;;
  "vd")
    amixer set Master 5%-; notify-send -u low -c volume volume $(amixer get Master | grep % | head -n 1 | awk '{print $5}')
    ;;
  "vm")
    amixer set Master toggle
    ;;
  "vmm")
    amixer set Capture toggle
    ;;
  "bu")
    xbacklight -inc 5; notify-send -u low -c brightness brightness [$(xbacklight -get)%]
    ;;
  "bd")
    xbacklight -dec 5; notify-send -u low -c brightness brightness [$(xbacklight -get)%]
    ;;
  *)
    helpme;;
esac

exit 0