# vim: ft=zsh
# Long running bell
# Inspired by: https://gist.github.com/jpouellet/5278239

zmodload zsh/datetime # load $EPOCHSECONDS builtin
autoload -Uz add-zsh-hook
lrbell_duration=15
lrbell_timestamp=$EPOCHSECONDS
lrbell_window_id=0x0

lrbell_active_window_id() {
	xprop -root 32x '\t$0' _NET_ACTIVE_WINDOW | cut -f 2
}

lrbell_begin() {
	lrbell_timestamp=$EPOCHSECONDS
	if [ -n "$DISPLAY" ]; then
		lrbell_message="`pwd`: $1"
		lrbell_window_id="$(lrbell_active_window_id)"
	fi
}

lrbell_end() {
	if (( $EPOCHSECONDS - $lrbell_timestamp < $lrbell_duration )); then
		return
	fi

	print -n '\a'
	if [ -n "$DISPLAY" ] && [ -n "$lrbell_window_id" ]; then # notify only if running in X
		if [ "$(lrbell_active_window_id)" != "$lrbell_window_id" ]; then # And active window isn't current one
			notify-send "Command finished" "$lrbell_message"
		fi
	fi
}

if command -v xprop >/dev/null && command -v notify-send >/dev/null; then
	add-zsh-hook preexec lrbell_begin
	add-zsh-hook precmd lrbell_end
fi