import asyncio
import subprocess
import sys
import tempfile
from pathlib import Path
from mcp import ClientSession, StdioServerParameters
from mcp.client.stdio import stdio_client
from mcp.shared.exceptions import McpError
from pydantic import AnyUrl

async def check(root):
    params=StdioServerParameters(command=sys.executable,args=['-m','resinsight_mcp.mcp','--workspace-root',str(root),'--create-workspace'])
    async with stdio_client(params) as (read,write):
        async with ClientSession(read,write) as client:
            await client.initialize()
            assert len((await client.list_tools()).tools)==4
            try:
                await client.read_resource(AnyUrl('resinsight://missing'))
            except McpError as error:
                print('unknown resource:', error.error.model_dump())
                assert error.error.code == -32602
                assert error.error.data['code'] == 'not_found'
            else:
                raise AssertionError('missing resource succeeded')
            assert not (await client.call_tool('session_list',{})).isError
    duplicate=subprocess.run([sys.executable,'-m','resinsight_mcp.mcp','--workspace-root',str(root),'--create-workspace'],capture_output=True,text=True,timeout=10)
    assert duplicate.returncode != 0
    assert not duplicate.stdout
    relative=subprocess.run([sys.executable,'-m','resinsight_mcp.mcp','--workspace-root','relative'],capture_output=True,text=True,timeout=10)
    assert relative.returncode == 2
    assert not relative.stdout
    print('launcher initialized, refused overwrite and relative path; protocol remained usable')
with tempfile.TemporaryDirectory() as tmp:
    asyncio.run(check(Path(tmp)/'workspace'))