import asyncio
import websockets
from threading import Thread

class MultiplayerService():
    _thread = None

    @classmethod
    def init(cls):
        thread = Thread(target=asyncio.get_event_loop().run_until_complete, args=(_NetworkConnectionService.init(),))
        thread.start()

class _NetworkConnectionService():
    _websocket = None
    _URI = "ws://localhost:5001"

    @classmethod
    async def init(cls):
        await cls._connect_to_server()

        while True:
            await asyncio.sleep(16e-3)
            await cls._websocket.send("ping")
            print(await cls._websocket.recv())

    @classmethod
    async def _connect_to_server(cls):
        print("Connecting to server...")
        cls._websocket = await websockets.connect(cls._URI, ping_interval=None)
        # ping_interval=None is important, otherwise the server will disconnect us
        # https://stackoverflow.com/a/58993145/11512104
        print("Connected to server...")