#!/bin/bash

set -eu

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
. $DIR/../help.sh
. $DIR/../postgres/run --only-source

nextcloud_help() {
  echo "./run backup    : Lancement de la sauvegarde de Nextcloud"
  echo "./run restore   : Restauration de la sauvegarde de Nextcloud"
}

nextcloud_backup() {
  script_env
  BACKUP_DATE_DEFAULT=`date +%Y%m%d_%H%M%S`
  BACKUP_DATE=${BACKUP_DATE:-$BACKUP_DATE_DEFAULT}
  backup_folder_create

  POSTGRES_BACKUP_FILE=backups/${BACKUP_DATE}_${NEXTCLOUD_DOMAIN}_postgres.sql
  docker-compose exec --user www-data nextcloud php occ maintenance:mode --on
  postgres_backup

  docker run -it --rm -v $HOME/backups/${NEXTCLOUD_DOMAIN}:/backup --volumes-from nextcloud alpine:3.12.3 ash -c "cd /var/www/html && tar cvf /backup/${BACKUP_DATE}_${NEXTCLOUD_DOMAIN}_files.tar ."
  docker-compose exec --user www-data nextcloud php occ maintenance:mode --off
}

nextcloud_restore() {
  script_env

  postgres_restore
  docker run -it --rm -v $HOME/backups/${NEXTCLOUD_DOMAIN}:/backup -v nextcloud:/var/www/html alpine:3.12.3 ash -c "cd /var/www/html && tar xvf /backup/${BACKUP_DATE}_${NEXTCLOUD_DOMAIN}_files.tar --strip 1"
}

if [ $# -ge 1 ]; then
  if [ "${1}" == "backup" ]; then
    script_start
    nextcloud_backup
    script_end
  elif [ "${1}" == "restore" ]; then
    script_start
    nextcloud_restore
    script_end
  elif [ "${1}" != "--only-source" ]; then
    nextcloud_help
  fi
else
  nextcloud_help
fi