import gradio as gr
import os

from smolagents import InferenceClientModel, CodeAgent, MCPClient

mcp_client = None

try:
    mcp_client = MCPClient(
        {"url": "https://abidlabs-mcp-tool-http.hf.space/gradio_api/mcp/sse", "transport": "sse"},
        structured_output=False
    )
    tools = mcp_client.get_tools()

    model = InferenceClientModel(token=os.getenv("HF_TOKEN_MCP"))
    agent = CodeAgent(tools=[*tools], model=model, additional_authorized_imports=["json", "ast", "urllib", "base64"])

    demo = gr.ChatInterface(
        fn=lambda message, history: str(agent.run(message)),
        type="messages",
        examples=["Analyze the sentiment of the following text 'This is awesome'"],
        title="Agent with MCP Tools",
        description="This is a simple agent that uses MCP tools to answer questions.",
    )

    if __name__ == "__main__":
        demo.launch()
except Exception as e:
    print(f"Error: {e}")
    # Fallback demo without MCP tools
    demo = gr.ChatInterface(
        fn=lambda message, history: "MCP client connection failed. Please check the configuration.",
        type="messages",
        title="MCP Client (Connection Failed)",
        description="Could not connect to MCP server.",
    )
    if __name__ == "__main__":
        demo.launch()
finally:
    if mcp_client is not None:
        mcp_client.disconnect()