NC_APP_DIR="app:/var/www/html"

sub_occ(){
  # shellcheck disable=SC2034
  abra__service_="app"
  # shellcheck disable=SC2034
  abra___user="www-data"
  sub_app_run php /var/www/html/occ "$@"
}

_backup_app() {
  # Copied _abra_backup_dir to make UX better on restore and backup
  {
    abra__src_="$1"
    abra__dst_="-"
  }

  # shellcheck disable=SC2154
  FILENAME="$(basename "$1").tar"

  debug "Copying '$1' to '$FILENAME'"

  silence
  mkdir -p /tmp/abra
  sub_app_cp > /tmp/abra/$FILENAME
  unsilence
}

next_maintenance_on() {
  silence
  sub_occ maintenance:mode --on > /dev/null
  unsilence
  debug "Nextcloud maintenance mode enabled"
}

next_maintenance_off() {
  silence
  sub_occ maintenance:mode --off > /dev/null
  unsilence
  debug "Nextcloud maintenance mode disabled"
}

abra_backup_app() {
  # shellcheck disable=SC2154
  ARK_FILENAME="$ABRA_BACKUP_DIR/${abra__app_}_app_$(date +%F).tar.gz"
  # Cant be FILENAME as that gets changed by something
  next_maintenance_on
  _backup_app $NC_APP_DIR/config
  _backup_app $NC_APP_DIR/data
  _backup_app $NC_APP_DIR/themes
  # Combine archives
  tar -Af /tmp/abra/config.tar /tmp/abra/data.tar
  tar -Af /tmp/abra/config.tar /tmp/abra/themes.tar
  gzip /tmp/abra/config.tar -c > "$ARK_FILENAME"
  rm /tmp/abra/*.tar
  success "Backed up 'app' to $ARK_FILENAME"
  next_maintenance_off
}

abra_backup_db() {
  next_maintenance_on
  _abra_backup_mysql "db" "nextcloud"
  next_maintenance_off
}

abra_backup() {
  abra_backup_app && abra_backup_db
}


abra_restore_app() {
  next_maintenance_on
  # shellcheck disable=SC2034
  {
  abra__src_="-"
  abra__dst_=$NC_APP_DIR
  }

  zcat "$@" | sub_app_cp

  next_maintenance_off
  sub_occ files:scan --all > /dev/null # Needs to be run in normal mode
  success "Restored 'app'"
}

# abra_restore_db() {
#   warning "Restoring the database is on a existing app and not a new one has not been tested. Use with caution."
#   next_maintenance_on
#   # 3wc: unlike abra_backup_db, we can assume abra__service_ will be 'db' if we
#   # got this far..

#   # shellcheck disable=SC2034
#   abra___no_tty="true"

#   DB_PASSWORD=$(sub_app_run cat /run/secrets/db_password)

#   zcat "$@" | sub_app_run mysql -u root -p"$DB_PASSWORD" wordpress

#   success "Restored 'db'"
#   next_maintenance_off
# }