from langchain_tavily import TavilySearch
from langchain.tools import tool
from dotenv import load_dotenv
load_dotenv()


search_tool = TavilySearch(max_results=5)

@tool
def web_search_tool(question: str) -> str:
    """Searches the web for an answer to a user's question.

    Args:
        question: User question
    """

    try:
        search_results = search_tool.invoke(question)
        return search_results
    except Exception as e:
        return f"Error searching web: {str(e)}"