"""
NeoSyn - memory_manager.py

This module integrates ChromaDB for context-aware memory.
It stores and retrieves user queries and metadata (e.g., file paths for synthetic data).

Author: Saivivek Katkuri
Date: June 2025
"""

import chromadb
from chromadb.config import Settings

# Initialize Chroma client
chroma_client = chromadb.Client(Settings(
    persist_directory="chromadb_storage"  # Folder to store data
))

# Create a collection for NeoSyn memory (or get existing)
memory = chroma_client.get_or_create_collection("neosyn_memory")

def add_memory_entry(user_id: str, query: str, metadata: dict):
    """
    Adds a memory entry for a user query and its metadata.

    Args:
        user_id (str): Unique identifier for the user.
        query (str): The user's natural language query.
        metadata (dict): Additional info (e.g., file paths, summary text).
    """
    memory.add(
        documents=[query],
        metadatas=[metadata],
        ids=[user_id]
    )

def retrieve_memory(user_id: str):
    """
    Retrieves memory entries for a specific user.

    Args:
        user_id (str): User's unique identifier.

    Returns:
        List of matching documents and metadata.
    """
    results = memory.get(ids=[user_id])
    return results