#!/bin/sh

if [ $# = 0 ]; then
	set -- "$MAIL"
fi

for i; do
	set -- "$@" "${i}/new"
	shift
done

inotifywait --monitor --event create --event moved_to "$@" |
	while read -r dir _action file; do
		catagory="$(dirname "$dir" | xargs dirname | xargs basename)"
		from="$(grep -m1 -oP '(?<=^From: ).*' "${dir}${file}")"
		subject="$(grep -m1 -oP '(?<=^Subject: ).*' "${dir}${file}")"

		echo "Catagory: $catagory, From: $from, Subject: $subject"
		notify-send -a "Mail" -c "$catagory" "From: $from" "$subject"
	done