#!/bin/bash

USER_NAME=${USER_NAME:-nextcloudclient}
USER_GROUP=${USER_GROUP:-nextcloudgroup}
USER_UID=${USER_UID:-1000}
USER_GID=${USER_GID:-1000}
NEXTCLOUD_SLEEP=${NEXTCLOUD_SLEEP:-30}

# check if group already exists
GRP_NAME=$(getent group "${USER_GID}" )
if [ "${GRP_NAME}" ] ; then
	USER_GROUP="${GRP_NAME//:*/}"
else
	# if not, we create the group
	addgroup -g "${USER_GID}" "${USER_GROUP}"
fi

# check if user already exists
USR_NAME=$(getent passwd "${USER_UID}" )
if [ "${USR_NAME}" ] ; then
	USER_NAME="${USR_NAME//:*/}"
else
	# if not, we create the user
	adduser -s /bin/false -D -H -G "${USER_GROUP}" -u "${USER_UID}" "${USER_NAME}"
fi

# create dir if not exists (it should exist if you mapped it outside the container)
if [ ! -d "${NEXTCLOUD_DIR}" ] ; then
	mkdir -p "${NEXTCLOUD_DIR}"
fi

# replace data directory permissions
if [ "${NEXTCLOUD_DIR_CHOWN}" = "1" ] ; then
	chown -R "${USER_UID}":"${USER_GID}" "${NEXTCLOUD_DIR}"
fi

# main loop
while true; do
	/bin/su -s /bin/sh -c "/start.sh" "${USER_NAME}"
	sleep "${NEXTCLOUD_SLEEP}"
done