import socket
import sys
from collections.abc import Iterator

import pytest
from xprocess import ProcessStarter
from xprocess import XProcess

SERVER_HOST = "127.0.0.1"


@pytest.fixture
def fastapi_server_url(xprocess: XProcess, unused_tcp_port: int) -> Iterator[str]:
    class ServerStarter(ProcessStarter):
        timeout = 10
        terminate_on_interrupt = True

        @property
        def args(self) -> list[str]:
            return [
                sys.executable,
                "-m",
                "uvicorn",
                "personal_mcp.app:create_app",
                "--factory",
                "--host",
                SERVER_HOST,
                "--port",
                str(unused_tcp_port),
                "--log-level",
                "warning",
                "--no-access-log",
            ]

        def startup_check(self) -> bool:
            try:
                with socket.create_connection((SERVER_HOST, unused_tcp_port), timeout=0.1):
                    return True
            except OSError:
                return False

    process_name = f"personal-mcp-http-{unused_tcp_port}"
    xprocess.ensure(process_name, ServerStarter)
    try:
        yield f"http://{SERVER_HOST}:{unused_tcp_port}/mcp"
    finally:
        xprocess.getinfo(process_name).terminate()