#!/bin/bash

_arg_t=2

fname=$(basename "$0")
usage () {
  echo "$fname [options] [command]
Sends notification when the given command finished executing
  Options:
    -h          Show this message then exit
    -t <sec>    Time the notification stays. By default 2
    -T <title>  Notification title
    -m <string> Displays this message when finished. Variable resolution on
                  > Default message is '<command> finished'"
}

warning () {
  if [ ! -n "$_opt_w" ] ; then
    printf "\033[0;33m$1\033[0m\n" >&2
  fi
}
error () {
    printf "\033[1;31m$1\033[0m\n" >&2
}

_args=""

# $1 = message , $2 = time , $3 = title
notify () {
  if which kdialog >/dev/null
  then
    kdialog --passivepopup "$1" $2 --title "$3"
  elif which notify-send >/dev/null
  then
    notify-send -t $2 "$3" "$1"
  else echo "No supported notification" >&2 && return 1
  fi
}

# read options
while getopts ":hm:T:t:" opt;
do
  case $opt in
    h)
      usage
      exit 0
      ;;
    m)
      if [ ! -n "$OPTARG" ]
      then
        error "m needs an argument"
        exit
      fi
      message=$OPTARG
      _opt_m=y
      ;;
    T) title="$OPTARG" ;;
    t) _arg_t="$OPTARG" ;;
    \?)
    	echo "Uknown option: $OPTARG"
      usage
      exit 1
    	;;
    esac
done

shift $((OPTIND-1))

if [ $# -gt 0 ]
then
  [ ! -n "$_opt_m" ] && message="'$*' finished"
  [ -z "$title" ] && title=$*
  $@
else
  [ ! -n "$_opt_m" ] && message="Ping"
  [ -z "$title" ] && title="Ping"
fi

notify "$message" $_arg_t "$title"