#!/bin/bash

# Docker Seafile client, help you mount a Seafile library as a volume.
# Copyright (C) 2019, flow.gunso@gmail.com
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# Check mandatory Seafile configuration have been properly set.
if [ -z $SEAF_SERVER_URL ]; then echo "The \$SEAF_SERVER_URL was not defined. Stopping container..."; exit 1; fi
if [ -z $SEAF_USERNAME ]; then echo "The \$SEAF_USERNAME was not defined. Stopping container..."; exit 1; fi
if [ -z $SEAF_PASSWORD ]; then echo "The \$SEAF_PASSWORD was not defined. Stopping container..."; exit 1; fi
if [ -z $SEAF_LIBRARY_UUID ]; then echo "The \$SEAF_LIBRARY_UUID was not defined. Stopping container..."; exit 1; fi

# Define variable shortcuts for readability purposes.
seafile_ini=~/.ccnet/seafile.ini
seafile_sock=/.seafile/seafile-data/seafile.sock
supervisord_conf=/.supervisord/supervisord.conf
supervisord_pid=/.supervisord/supervisord.pid
supervisord_log=/.supervisord/supervisord.log

# Update the user ID, if the $UID changed.
if [ "$UID" != "1000" ]; then
    usermod -u $UID $UNAME
    # What the $UID already exists ?
fi
# Change the group, if the $GID changed.
if [ "$GID" != "1000" ]; then
    getent group | grep ":$GID:"
    if [ $? -eq 0 ]; then
        groupmod -g $GID $UNAME
    else
        usermod -g $UID -G $GID $UNAME
    fi
fi

# Set the files ownership.
chown $UID.$GID -R /.seafile
chown $UID.$GID -R /.supervisord
chown $UID.$GID -R /volume
chown $UID.$GID /entrypoint.sh
chown $UID.$GID /infinite-seaf-cli-start.sh

# Safely initialize Seafile.
su - $UNAME -c "/usr/bin/seaf-cli init -d /.seafile"
while [ ! -f $seafile_ini ]; do sleep 1; done

# Safely start the Seafile daemon.
su - $UNAME -c "/usr/bin/seaf-cli start"
while [ ! -S $seafile_sock ]; do sleep 1; done

# Start the synchronisation.
su - $UNAME -c  "/usr/bin/seaf-cli sync -u $SEAF_USERNAME -p $SEAF_PASSWORD -s $SEAF_SERVER_URL -l $SEAF_LIBRARY_UUID -d /volume"

# Start the supervisord.
su - $UNAME -c "/usr/bin/supervisord -u $UNAME -c $supervisord_conf -j $supervisord_pid -l $supervisord_log"