#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

BACKUP_DIR="${BACKUP_DIR:-$ROOT_DIR/deploy/trialrun/backups}"
mkdir -p "$BACKUP_DIR"

TS="$(date +%Y%m%d_%H%M%S)"
OUT_FILE="${OUT_FILE:-$BACKUP_DIR/hyb-oa-storage-${TS}.tar.gz}"

STORAGE_DIR_HOST="${STORAGE_DIR_HOST:-}"
if [[ -z "$STORAGE_DIR_HOST" ]]; then
  if [[ -n "${STORAGE_DIR:-}" && -d "${STORAGE_DIR:-}" ]]; then
    STORAGE_DIR_HOST="$STORAGE_DIR"
  elif [[ -d "$ROOT_DIR/deploy/trialrun/data/storage" ]]; then
    STORAGE_DIR_HOST="$ROOT_DIR/deploy/trialrun/data/storage"
  else
    echo "[ERR] storage dir not found; set STORAGE_DIR_HOST" >&2
    exit 1
  fi
fi

echo "[INFO] Storage backup start: $OUT_FILE"
echo "[INFO] Storage dir: $STORAGE_DIR_HOST"

tar -czf "$OUT_FILE" -C "$STORAGE_DIR_HOST" .

echo "[OK] Storage backup done: $OUT_FILE"