import ast
import os
import json
import hashlib
import base64
import logging
from fastapi import APIRouter
from typing import Optional
from redis import Redis
from fastapi.responses import StreamingResponse
from api.stored_data import stored_data
from src.genai.analytics_chatbot.agent import ChatbotAgent
from src.genai.analytics_chatbot.utils.utils import process_query
from src.genai.analytics_chatbot.handlers.analytics_description import generate_analytics_description
from api.schemas.analytics_chatbot import AnalyticsChatRequest
from config.redis_config import redis_client
from openai import OpenAI


app_logger = logging.getLogger("app_logger")
error_logger = logging.getLogger("error_logger")


router = APIRouter()
agent=ChatbotAgent()
graph = agent.chatbot_graph() 


# @router.post("/analytics-chatbot")
# def get_analytics(request: AnalyticsChatRequest):
#     user_query = process_query(request.msg)
#     print('Processed user query:', user_query)
    
#     cache_key = f"analytics:{hashlib.md5(user_query.encode()).hexdigest()}"
#     cached_response = redis_client.get(cache_key)
#     print('cached-response:', cached_response)

#     if cached_response:
#         response_to_cache = json.loads(cached_response)
#     else:
#         response_to_cache = {}

#     if not response_to_cache.get('response') or not response_to_cache.get('endpoint'):
#         config = {"configurable": {"thread_id": "analytics-chatbot-thread"},
#                   "run_name": "analytics-chatbot"}
#         result = graph.invoke({'messages': user_query}, config=config)

#         if result.get('backup_data') is not None:
#             response_to_cache['backup_response'] = result['backup_data']
#         else:
#             response_to_cache['response'] = result['response']
#             response_to_cache['endpoint'] = result['endpoint']

#     if request.image_base64 and not response_to_cache.get('description'):
#         description = generate_analytics_description(user_query, request.image_base64)
#         if description is not None:
#             response_to_cache['description'] = description

#     redis_client.set(cache_key, json.dumps(response_to_cache), ex=3000)
#     return response_to_cache

@router.post("/analytics-chatbot")
def get_analytics(request: AnalyticsChatRequest):
    user_query = process_query(request.msg)
    print("Processed user query:", user_query)

    response_to_return = {}

    # Always invoke the graph (no caching)
    config = {
        "configurable": {"thread_id": "analytics-chatbot-thread"},
        "run_name": "analytics-chatbot"
    }

    result = graph.invoke({'messages': user_query}, config=config)

    # Handle primary vs backup response
    if result.get('backup_data') is not None:
        response_to_return['backup_response'] = result['backup_data']
    else:
        response_to_return['response'] = result.get('response')
        # response_to_return['endpoint'] = result.get('endpoint')

    # # Handle image description if image is provided
    # if request.image_base64:
    #     description = generate_analytics_description(user_query, request.image_base64)
    #     if description is not None:
    #         response_to_return['description'] = description

    return response_to_return