#!/bin/sh

help() {
cat << EOF
${0}: Wrapper script to send notifications

options:
 -s [Name] [Msg]	Send Msg with Name
 -s [Msg]		Send Msg Without Name
 -h 			Print this message and exit
EOF
}

err() {
	for line in "${@}"; do
		echo "${line}" >&2
	done
	exit 1
}

if ! command -v notify-send > /dev/null 2>&1; then
	err "${0}: dunst must be installed"
fi

case "${1}" in
"-s")
	[ ${#} -gt 3 ] && err "${0}: Invalid usage" "Try '${0} -h' for help."

	notify-send "${2}" "${3}" > /dev/null 2>&1 || err "${0}: Failed to send notification"

	exit 0
;;
"-h") help; exit 0 ;;

*) err "${0}: Invalid usage" "Try '${0} -h' for help." ;;

esac