#!/usr/bin/env sh
set -eu

if [ "${CONFIRM_RESTORE:-}" != "yes" ]; then
  printf 'Refusing to restore without CONFIRM_RESTORE=yes\n' >&2
  exit 1
fi

if [ "${BACKUP_FILE:-}" = "" ]; then
  printf 'BACKUP_FILE is required\n' >&2
  exit 1
fi

if [ ! -f "$BACKUP_FILE" ]; then
  printf 'Backup file not found: %s\n' "$BACKUP_FILE" >&2
  exit 1
fi

CONTAINER="${DB_CONTAINER:-ss-db-1}"
DATABASE="${DB_NAME:-smm}"
USER="${DB_USER:-smm}"
PASSWORD="${DB_PASSWORD:-smm_password}"

docker exec -i "$CONTAINER" mariadb \
  --user="$USER" \
  --password="$PASSWORD" \
  "$DATABASE" < "$BACKUP_FILE"

printf 'Restored %s into %s/%s\n' "$BACKUP_FILE" "$CONTAINER" "$DATABASE"