import json
import sys
import os
import datetime
from pathlib import Path
current_dir = os.path.dirname(os.path.abspath(__file__))
sys.path.append(current_dir)
from response_generator import ResponseGenerator
from hybrid_rag import HybridRAG
import uuid

# Create sessions directory if it doesn't exist
BASE_DIR = Path(__file__).resolve().parent.parent
SESSIONS_DIR = BASE_DIR / "sessions"
SESSIONS_DIR.mkdir(parents=True, exist_ok=True)

hybrid_rag = HybridRAG()

def feedback(is_like: bool, session_id: str):
     print(f"Feedback: {is_like} for session {session_id}")
     session_path = SESSIONS_DIR / f"{session_id}.json"
     with open(session_path, "r", encoding="utf-8") as f:
          session_data = json.load(f)
     session_data[0]["is_like"] = is_like
     with open(session_path, "w", encoding="utf-8") as f:
          json.dump([session_data], f, ensure_ascii=False, indent=2, sort_keys=True)

def main(query: str, top_k: int = 20, top_n: int = 10):
    session_id = str(uuid.uuid4())
    chunk_retrieved = hybrid_rag.get_results(query, top_k=top_k, top_n=top_n, session_id=session_id)
    response_generator = ResponseGenerator()
    response, user_prompt = response_generator.generate(query, chunk_retrieved)
    if session_id:
            session_data = {
                "query": query.strip(),
                "rag_results": chunk_retrieved,
                "response": response,
                "user_prompt": user_prompt, # for debugging
                "timestamp": datetime.datetime.now().isoformat()
            }
            with open(SESSIONS_DIR / f"{session_id}.json", "w", encoding="utf-8") as f:
                json.dump([session_data], f, ensure_ascii=False, indent=2, sort_keys=True)
    return response, session_id

if __name__ == "__main__":
    query = "Sinh viên không đóng học phí có được bảo vệ Khóa luận không?"
    res, session_id = main(query, top_k=20, top_n=10)