"""Storage factory for creating storage adapters"""

from flask import current_app


class StorageFactory:
    """Factory for creating storage adapter instances"""

    @staticmethod
    def get_storage():
        """
        Get the appropriate storage adapter based on configuration

        Returns:
            StorageAdapter: Configured storage adapter instance

        Factory Pattern Benefits:
        - Centralized adapter selection logic
        - Easy to add new storage types (S3, GCS, etc.)
        - Single Responsibility Principle - FileService only handles file operations
        - Easy to test by injecting mock adapters
        """
        # Check if we should use mock storage
        if current_app.config.get("USE_MOCK_STORAGE", False):
            from app.services.storage.mock_adapter import MockStorageAdapter

            return MockStorageAdapter()

        # Default to MinIO for production/development
        from app.services.storage.minio_client import MinIOStorageAdapter

        return MinIOStorageAdapter()

    @staticmethod
    def get_storage_for_testing():
        """
        Get mock storage adapter explicitly for testing

        Returns:
            StorageAdapter: MockStorageAdapter instance
        """
        from app.services.storage.mock_adapter import MockStorageAdapter

        return MockStorageAdapter()

    @staticmethod
    def get_minio_storage():
        """
        Get MinIO storage adapter explicitly

        Returns:
            StorageAdapter: MinIOStorageAdapter instance
        """
        from app.services.storage.minio_client import MinIOStorageAdapter

        return MinIOStorageAdapter()