import os
import json
import uuid
from datetime import datetime
from pathlib import Path
from dotenv import load_dotenv
from typing import Dict, Any, List, Optional

# Load environment variables
load_dotenv()


# Create directory for saving results if it doesn't exist
def ensure_directories():
    """Create necessary directories if they don't exist."""
    os.makedirs("ibfs_results", exist_ok=True)


def generate_user_id() -> str:
    """Generate a unique user ID."""
    return str(uuid.uuid4())


def save_results(user_id: str, query: str, final_answer: str, method: str = "ibfs",
                 strategy_path: Optional[List[str]] = None) -> str:
    """
    Save the results to a file.

    Args:
        user_id: Unique identifier for the user
        query: Original query
        final_answer: Final answer generated
        method: Method used (ibfs or zero_shot)
        strategy_path: Path of selected strategies (for IBFS)

    Returns:
        Filename where results were saved
    """
    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
    result = {
        "user_id": user_id,
        "timestamp": timestamp,
        "method": method,
        "query": query,
        "final_answer": final_answer
    }

    # Add strategy path for IBFS method
    if method == "ibfs" and strategy_path:
        result["strategy_path"] = strategy_path

    filename = f"ibfs_results/{user_id}_{method}_{timestamp}.json"
    with open(filename, "w") as f:
        json.dump(result, f, indent=2)

    return filename


# Initialize directories when module is imported
ensure_directories()