import gradio as gr
from smolagents import InferenceClientModel, CodeAgent
from smolagents.mcp_client import MCPClient
from dotenv import load_dotenv
import os
load_dotenv()

try:
    print("Connecting to MCP server...")
    hf_token = os.getenv("HF_TOKEN")

    if not hf_token:
        raise ValueError("HF_TOKEN is not set")

    mcp_client = MCPClient(
        ## Try this working example on the hub:
        # {"url": "https://abidlabs-mcp-tools.hf.space/gradio_api/mcp/sse"}
        {"url": "http://localhost:7860/gradio_api/mcp/sse"}
    )
    tools = mcp_client.get_tools()

    model = InferenceClientModel(token=hf_token)
    agent = CodeAgent(tools=[*tools], model=model)

    demo = gr.ChatInterface(
        fn=lambda message, history: str(agent.run(message)),
        type="messages",
        examples=["Prime factorization of 68", "Count the number of times the letter 'r' appears in the text 'Strawberry'"],
        title="Agent with MCP Tools",
        description="This is a simple agent that uses MCP tools to answer questions.",
    )

    demo.launch()
finally:
    mcp_client.disconnect()