#!/usr/bin/env bash
# Validates that a backup directory contains the artifacts required for restore evidence.
# Usage: bash scripts/backup-restore-smoke-check.sh backups/rentaldrivego-prod-<timestamp>
set -euo pipefail

BACKUP_DIR="${1:-}"
if [[ -z "${BACKUP_DIR}" || ! -d "${BACKUP_DIR}" ]]; then
  echo "Usage: $0 <backup-directory>" >&2
  exit 2
fi

required=(
  "postgres.dump"
  "manifest.txt"
)

missing=0
for file in "${required[@]}"; do
  if [[ ! -f "${BACKUP_DIR}/${file}" ]]; then
    echo "MISSING: ${file}"
    missing=1
  else
    echo "OK: ${file}"
  fi
done

# Uploads archive is strongly recommended for full RPO evidence.
if [[ -f "${BACKUP_DIR}/api-uploads.tar.gz" ]]; then
  echo "OK: api-uploads.tar.gz"
else
  echo "WARN: api-uploads.tar.gz missing (object/file restore evidence incomplete)"
fi

if [[ ! -s "${BACKUP_DIR}/manifest.txt" ]]; then
  echo "MISSING: manifest.txt is empty"
  missing=1
else
  echo "---- manifest ----"
  cat "${BACKUP_DIR}/manifest.txt"
fi

if [[ "${missing}" -ne 0 ]]; then
  echo "Backup smoke check FAILED"
  exit 1
fi

echo "Backup smoke check PASSED"
echo "Record RPO/RTO evidence: restore this directory with scripts/docker-prod-restore.sh and time the exercise."