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from __future__ import annotations

import base64
import json

from airflow.providers.amazon.aws.hooks.base_aws import AwsBaseHook


class SecretsManagerHook(AwsBaseHook):
    """
    Interact with Amazon SecretsManager Service.

    Provide thin wrapper around
    :external+boto3:py:class:`boto3.client("secretsmanager") <SecretsManager.Client>`.

    Additional arguments (such as ``aws_conn_id``) may be specified and
    are passed down to the underlying AwsBaseHook.

    .. seealso::
        - :class:`airflow.providers.amazon.aws.hooks.base_aws.AwsBaseHook`
    """

    def __init__(self, *args, **kwargs):
        super().__init__(client_type="secretsmanager", *args, **kwargs)

    def get_secret(self, secret_name: str) -> str | bytes:
        """
        Retrieve secret value from AWS Secrets Manager as a str or bytes.

        The value reflects format it stored in the AWS Secrets Manager.

        .. seealso::
            - :external+boto3:py:meth:`SecretsManager.Client.get_secret_value`

        :param secret_name: name of the secrets.
        :return: Union[str, bytes] with the information about the secrets
        """
        # Depending on whether the secret is a string or binary, one of
        # these fields will be populated.
        get_secret_value_response = self.get_conn().get_secret_value(SecretId=secret_name)
        if "SecretString" in get_secret_value_response:
            secret = get_secret_value_response["SecretString"]
        else:
            secret = base64.b64decode(get_secret_value_response["SecretBinary"])
        return secret

    def get_secret_as_dict(self, secret_name: str) -> dict:
        """
        Retrieve secret value from AWS Secrets Manager as a dict.

        :param secret_name: name of the secrets.
        :return: dict with the information about the secrets
        """
        return json.loads(self.get_secret(secret_name))
