"""End-to-end MCP protocol test: spawn mcp_server.py over stdio, list tools,
call two of them. Mirrors what Claude Desktop / Hermes do."""
import asyncio
import json
import os

from mcp import ClientSession, StdioServerParameters
from mcp.client.stdio import stdio_client


async def main():
    env = dict(os.environ)
    env.setdefault("PATH", "/usr/local/bin:/usr/bin")
    params = StdioServerParameters(command="python3", args=["mcp_server.py"], env=env)
    async with stdio_client(params) as (read, write):
        async with ClientSession(read, write) as session:
            await session.initialize()
            tools = await session.list_tools()
            print("TOOLS:", [t.name for t in tools.tools])
            res = await session.call_tool("chain_summary", {"symbol": "QQQ", "provider": "tradier"})
            print("chain_summary ->", res.content[0].text[:200])
            res = await session.call_tool("build_strategy",
                                          {"symbol": "QQQ", "strategy": "iron_condor", "provider": "tradier"})
            d = json.loads(res.content[0].text)
            print("build_strategy ->", d.get("count"), "hits; first legs:",
                  d["candidates"][0]["legs"] if d.get("candidates") else d)
            res = await session.call_tool("list_strategies", {})
            print("list_strategies ->", len(json.loads(res.content[0].text)["families"]), "families")

asyncio.run(main())