"""
Tools for the RAG agent.
"""

from typing import List

from langchain.tools import tool
from qdrant_store import search, add_document

@tool("search_knowledge_base")
async def search_knowledge_base(query: str, max_results: int = 5) -> List[str]:
    """Perform semantic search in the knowledge base.

    Parameters
    ----------
    query: str
        Search query.
    max_results: int
        Number of results to return.

    Returns
    -------
    List[str]
        List of retrieved document snippets.
    """
    docs = search(query, max_results)
    return [doc.page_content for doc in docs]

@tool("add_to_knowledge_base")
async def add_to_knowledge_base(content: str, title: str) -> str:
    """Add a new document to the knowledge base.

    Parameters
    ----------
    content: str
        Full text of the document.
    title: str
        Title or identifier for the document.

    Returns
    -------
    str
        Confirmation message.
    """
    add_document(content, title)
    return f"Document '{title}' added successfully."

__all__ = ["search_knowledge_base", "add_to_knowledge_base"]