#!/bin/sh -x
case $1 in
	--sdk-mod-ver)
		echo "1.0";
	;;
	--name)
		echo "accountdb cache dirsvs_leave hook"
		;;
	--pkg-ver)
		echo "1.0";
		;;
	--vendor)
		echo "Synology";
	;;
	--pre)
        ;;
	--post)
		# only for domain
		if [ "$TYPE" != "domain" ]; then
			exit 0
		fi

		# unlink cache
		/usr/bin/systemctl stop accountdb-cache
		if [ -L "/usr/syno/etc/private/@accountcache" ]; then
			MNT_REALPATH=$(/bin/realpath /usr/syno/etc/private/@accountcache | grep accountcache)
			DEVNO_MNT=$(/bin/stat -c "%D" "$MNT_REALPATH")
			MNT_REALPATH_PARENT=$(/bin/dirname "$MNT_REALPATH")
			DEVNO_PARENT=$(/bin/stat -c "%D" "$MNT_REALPATH_PARENT")
			if [ "$DEVNO_MNT" = "$DEVNO_PARENT" ]; then
				# not mount
				rm -r "/usr/syno/etc/private/@accountcache" "${MNT_REALPATH}"
			else
				# still mount skip
				exit 0
			fi
		fi
		rm "/usr/syno/etc/private/.account.cache.img"
		for FILE in /volume*/@accountdb/.account.cache.img
		do
			if [ -f "$FILE" ]; then
				rm "$FILE"
			fi
		done
		if [[ "enabled" == $(/usr/syno/bin/synosystemctl get-enable-status "accountdb-cache") ]]; then
			/usr/bin/systemctl start accountdb-cache
		fi
	;;
	*)
		echo "Usage: $0 --sdk-mod-ver|--name|--pkg-ver|--vendor|--pre|--post"
	;;
esac