#!/bin/sh
set -eu

if [ "$#" -ne 1 ] || [ "${CONFIRM_RESTORE:-}" != "rf4-spotter" ]; then
  echo "Usage: CONFIRM_RESTORE=rf4-spotter $0 ABSOLUTE_BACKUP_DIRECTORY/TIMESTAMP" >&2
  exit 2
fi

case "$1" in
  /*) ;;
  *) echo "Backup directory must be an absolute path" >&2; exit 2 ;;
esac

source_dir=${1%/}
test -f "$source_dir/postgres.dump"
test -f "$source_dir/minio.tar.gz"
(cd "$source_dir" && sha256sum -c SHA256SUMS)
backup_root=$(dirname "$source_dir")
stamp=$(basename "$source_dir")
export BACKUP_DIRECTORY="$backup_root"

compose="docker compose --env-file .env.production -f compose.production.yaml"
$compose stop api web minio
$compose exec -T db sh -c 'pg_restore --clean --if-exists --exit-on-error --no-owner --no-acl -U "$POSTGRES_USER" -d "$POSTGRES_DB"' < "$source_dir/postgres.dump"
$compose run --rm storage-tool sh -c 'find /data -mindepth 1 -delete && tar -xzf "/backup/'"$stamp"'/minio.tar.gz" -C /data'
$compose up -d minio api web proxy
echo "Restore completed from: $source_dir"