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

CREDS_FILE="${CREDS_FILE:-$HOME/.openclaw/credentials/minio-zap.env}"
WORKSPACE="${WORKSPACE:-$HOME/.openclaw/workspace}"
STAMP="$(date -u +%Y%m%dT%H%M%SZ)"
PREFIX="${PREFIX:-workspace-backups/$STAMP}"

if [[ ! -f "$CREDS_FILE" ]]; then
  echo "Missing creds file: $CREDS_FILE" >&2
  exit 1
fi

# shellcheck disable=SC1090
source "$CREDS_FILE"

if [[ -z "${MINIO_ENDPOINT:-}" || -z "${MINIO_ACCESS_KEY:-}" || -z "${MINIO_SECRET_KEY:-}" || -z "${MINIO_BUCKET:-}" ]]; then
  echo "Missing required MinIO env vars in $CREDS_FILE" >&2
  exit 1
fi

# Backup only durable assistant context files
INCLUDE=(
  "MEMORY.md"
  "USER.md"
  "TOOLS.md"
  "HEARTBEAT.md"
  "memory"
)

TMPDIR="$(mktemp -d)"
trap 'rm -rf "$TMPDIR"' EXIT

for p in "${INCLUDE[@]}"; do
  if [[ -e "$WORKSPACE/$p" ]]; then
    cp -a "$WORKSPACE/$p" "$TMPDIR/"
  fi
done

MC_BIN="${MC_BIN:-$WORKSPACE/bin/mc}"
if [[ ! -x "$MC_BIN" ]]; then
  MC_BIN="$(command -v mc || true)"
fi
if [[ -z "$MC_BIN" || ! -x "$MC_BIN" ]]; then
  echo "MinIO client not found. Set MC_BIN or install mc." >&2
  exit 1
fi

"$MC_BIN" alias set minio "$MINIO_ENDPOINT" "$MINIO_ACCESS_KEY" "$MINIO_SECRET_KEY" >/dev/null
"$MC_BIN" mb --ignore-existing "minio/$MINIO_BUCKET" >/dev/null
"$MC_BIN" mirror --overwrite "$TMPDIR" "minio/$MINIO_BUCKET/$PREFIX" >/dev/null
"$MC_BIN" ls --recursive "minio/$MINIO_BUCKET/$PREFIX"

echo "Backup complete: s3://$MINIO_BUCKET/$PREFIX"