URI = "at://"
URI_LEN = len(URI)


class AtUri:
    @classmethod
    def record_uri(cls, uri: str) -> tuple[str, str, str]:
        did, collection, rid = uri[URI_LEN:].split("/")
        if not (did and collection and rid):
            raise ValueError(f"Ivalid record uri {uri}!")
        return did, collection, rid