import functools
import json
from typing import Any

import boto3


@functools.lru_cache(maxsize=None)
def _client(region: str) -> Any:
    return boto3.client('secretsmanager', region_name=region)


def get_secret(secret_name: str, region: str = 'us-east-1') -> dict[str, Any] | str:
    response = _client(region).get_secret_value(SecretId=secret_name)
    if 'SecretString' not in response:
        raise ValueError(
            f"Secret '{secret_name}' has no SecretString value — binary secrets are not supported"
        )
    value = response['SecretString']
    try:
        parsed = json.loads(value)
        if isinstance(parsed, dict):
            return parsed
        return value
    except json.JSONDecodeError:
        return value