"""S3 response shapes. Plain dicts only — no DB, no Depends."""


def serialize_upload(result: dict) -> dict:
    """upload result → API dict. ``url`` is the stable private object address for DB."""
    return {
        "bucket": result.get("bucket"),
        "key": result.get("key"),
        "url": result.get("url"),
        "content_type": result.get("content_type"),
        "size": result.get("size"),
        "filename": result.get("filename"),
        "source": result.get("source"),
        "record_id": result.get("record_id"),
        "owner_id": result.get("owner_id"),
        "access": "private",
    }


def serialize_open(result: dict) -> dict:
    """Short-lived presigned GET for opening a private CV in the browser."""
    return {
        "key": result.get("key"),
        "url": result.get("url"),
        "expires_in": result.get("expires_in"),
    }


def serialize_delete(result: dict) -> dict:
    return {
        "bucket": result.get("bucket"),
        "key": result.get("key"),
        "deleted": bool(result.get("deleted")),
    }


def serialize_health(result: dict) -> dict:
    return {
        "status": result.get("status") or "ok",
        "bucket": result.get("bucket"),
        "region": result.get("region"),
        "object_base_url": result.get("object_base_url") or result.get("public_base_url"),
        "access": result.get("access") or "private",
        "presign_expires_seconds": result.get("presign_expires_seconds"),
    }