from typing import Any
from python.helpers.tool import Tool, Response

class DocumentQuery(Tool):
    """
    Tool for querying documents in the knowledge base.
    Fixed to handle missing 'document' parameter gracefully.
    """

    async def execute(self, **kwargs) -> Response:
        # Safely get the 'document' parameter with a default of None
        document_uri = kwargs.get("document") or None
        
        if not document_uri:
            return Response(
                message="Error: No document URI provided. Please specify a document to query.",
                break_loop=False
            )
        
        # Placeholder for actual document query logic
        # This should be implemented based on your knowledge base structure
        return Response(
            message=f"Document query requested for: {document_uri}. "
                    f"Note: Document querying functionality needs to be implemented.",
            break_loop=False
        )