from abc import abstractmethod

from frostfs_testlib.plugins import load_plugin
from frostfs_testlib.storage.cluster import ClusterNode


class S3CredentialsProvider(object):
    stash: dict

    def __init__(self, stash: dict) -> None:
        self.stash = stash

    @abstractmethod
    def provide(self, cluster_node: ClusterNode) -> tuple[str, str]:
        raise NotImplementedError("Directly called abstract class?")


class CredentialsProvider(object):
    stash: dict
    S3: S3CredentialsProvider

    def __init__(self, s3_plugin_name: str) -> None:
        self.stash = {}
        s3cls = load_plugin("frostfs.testlib.credentials_providers", s3_plugin_name)
        self.S3 = s3cls(self.stash)