#!/bin/bash

# set vars
BACKUP_ROOT_PATH=/tmp
DATE=$(date +%Y%m%d-%H%M%S)
BACKUP_NAME=akbk-$DATE
BACKUP_PATH=$BACKUP_ROOT_PATH/$BACKUP_NAME
mkdir -p $BACKUP_PATH
chmod a+w $BACKUP_PATH

AKKOMA_DB=pleroma
AKKOMA_USER=pleroma
AKKOMA_SERVICE=pleroma
AKKOMA_PATH=/opt/pleroma
AKKOMA_STATIC_PATH=/var/lib/pleroma
AKKOMA_CONFIG_PATH=/etc/pleroma/config.exs
AKKOMA_DBCONFIG_PATH=$BACKUP_PATH/config_db.exs

# export config in database
cd $AKKOMA_PATH
su $AKKOMA_USER -s $SHELL -lc "./bin/pleroma_ctl config dump" > $AKKOMA_DBCONFIG_PATH
sed -i 's/\r//g' $AKKOMA_DBCONFIG_PATH

# stop akkoma
systemctl stop $AKKOMA_SERVICE

# backup database/config.exs/static files
sudo -Hu postgres pg_dump -d $AKKOMA_DB  --format=custom -f $BACKUP_PATH/akkoma.pgdump
tar -czpPf - $AKKOMA_STATIC_PATH $AKKOMA_CONFIG_PATH $BACKUP_PATH | gpg -e -r 0 > $BACKUP_PATH.tar.gz.gpg
rm -r $BACKUP_PATH

# update backend
su $AKKOMA_USER -s $SHELL -lc "./bin/pleroma_ctl update --branch stable" && su $AKKOMA_USER -s $SHELL -lc "./bin/pleroma_ctl migrate"

# start akkoma
systemctl start $AKKOMA_SERVICE

# wait for startup
sleep 4s

# update frontend
su $AKKOMA_USER -s $SHELL -lc "./bin/pleroma_ctl frontend install pleroma-fe --ref stable" && su $AKKOMA_USER -s $SHELL -lc "./bin/pleroma_ctl frontend install admin-fe --ref stable"

# upload archive
rclone copy $BACKUP_PATH.tar.gz.gpg od-1:/upload -vP

# clean up
rm $BACKUP_PATH.tar.gz.gpg