# services/mcp_client.py
import requests
from typing import Any, Dict, List
from config.settings import Settings

class MCPClient:
    def __init__(self, base_url: str | None = None):
        settings = Settings()
        self.base_url = (base_url or settings.mcp_server_url).rstrip("/")

    def list_tools(self) -> List[Dict[str, Any]]:
        resp = requests.get(f"{self.base_url}/tools", timeout=5)
        resp.raise_for_status()
        data = resp.json()
        return data.get("tools", [])

    def call_tool(self, name: str, arguments: Dict[str, Any] | None = None) -> Any:
        payload = {"name": name, "arguments": arguments or {}}
        resp = requests.post(f"{self.base_url}/tools/call", json=payload, timeout=30)
        resp.raise_for_status()
        data = resp.json()
        if not data.get("success", False):
            raise RuntimeError(data.get("error", "Unknown tool error"))
        return data.get("result")