from app.storage.base import StorageBackend
from app.storage.s3_backend import S3Backend
from app.storage.minio_backend import MinIOBackend
from app.config import settings


def get_storage_backend() -> StorageBackend:
    """
    Factory function to get the appropriate storage backend
    based on configuration
    """
    if settings.storage_backend == "s3":
        return S3Backend()
    elif settings.storage_backend == "minio":
        return MinIOBackend()
    else:
        raise ValueError(f"Unsupported storage backend: {settings.storage_backend}")