import os
import aiohttp
from dotenv import load_dotenv
from urllib.parse import urlencode

load_dotenv()

async def query_rag_api(question):
    """
    Asynchronously query the RAG model via Streamlit endpoint.

    Args:
        question (str): The user's question.

    Returns:
        dict: Answer, contexts, or error message.

    Note:
        Replace API_ENDPOINT with your Space's URL (e.g., https://<your-space-id>.hf.space)
        after deployment.
    """
    # Placeholder - REPLACE with your Space's URL
    API_ENDPOINT = "https://huggingface.co/spaces/samim2024/testing"
    params = {"query": question}
    url = f"{API_ENDPOINT}?{urlencode(params)}"

    try:
        async with aiohttp.ClientSession() as session:
            async with session.get(url, timeout=10) as response:
                response_dict = await response.json()
                if response_dict.get("error"):
                    return {"error": response_dict["error"], "answer": "", "contexts": []}
                return {
                    "answer": response_dict.get("answer", ""),
                    "contexts": response_dict.get("contexts", [])
                }
    except Exception as e:
        return {"error": f"Query failed: {str(e)}", "answer": "", "contexts": []}