# Copyright (C) 2024 by Animath
# SPDX-License-Identifier: GPL-3.0-or-later

from channels.generic.websocket import AsyncJsonWebsocketConsumer
from registration.models import Registration


class ChatConsumer(AsyncJsonWebsocketConsumer):
    """
    This consumer manages the websocket of the chat interface.
    """
    async def connect(self) -> None:
        """
        This function is called when a new websocket is trying to connect to the server.
        We accept only if this is a user of a team of the associated tournament, or a volunteer
        of the tournament.
        """

        # Fetch the registration of the current user
        user = self.scope['user']
        if user.is_anonymous:
            # User is not authenticated
            await self.close()
            return

        reg = await Registration.objects.aget(user_id=user.id)
        self.registration = reg

        # Accept the connection
        await self.accept()

    async def disconnect(self, close_code) -> None:
        """
        Called when the websocket got disconnected, for any reason.
        :param close_code: The error code.
        """
        if self.scope['user'].is_anonymous:
            # User is not authenticated
            return

    async def receive_json(self, content, **kwargs):
        """
        Called when the client sends us some data, parsed as JSON.
        :param content: The sent data, decoded from JSON text. Must content a `type` field.
        """
        # TODO Process chat protocol