from abc import ABC
import asyncio
from threading import Thread
from typing import List

from aiohttp import web


class MockHTTPServerBase(ABC):
    def __init__(self, port: int, routes: List):
        self.port = port
        self.app = web.Application()
        self.app.add_routes(routes)
        self.runner = web.AppRunner(self.app)
        self.loop = asyncio.new_event_loop()

    def _start_loop(self):
        asyncio.set_event_loop(self.loop)
        self.loop.run_until_complete(self.runner.setup())
        site = web.TCPSite(self.runner, '127.0.0.1', self.port)
        self.loop.run_until_complete(site.start())
        self.loop.run_forever()

    def start(self):
        t = Thread(target=self._start_loop)
        t.start()

    def stop(self):
        self.loop.call_soon_threadsafe(self.loop.stop)