#!/bin/zsh

lockstate() { pidof slimlock &>/dev/null }

lockstate; was_locked=$?

LOGDIR=${XDG_DATA_HOME:-$HOME/.local/share}/log/locktime
mkdir -p $LOGDIR
logfile=$LOGDIR/$(date --iso-8601)

while true; do
	if lockstate && [[ $was_locked -gt 0 ]]; then
		echo "L $(date --iso-8601=minute)" >> $logfile
		was_locked=0
	elif ! lockstate && [[ $was_locked == 0 ]]; then
		# change daily logfile on first unlock
		logfile=$LOGDIR/$(date --iso-8601)
		echo "U $(date --iso-8601=minute)" >> $logfile
		was_locked=1
	fi
	sleep 60
done