#  Hydrogram - Telegram MTProto API Client Library for Python
#  Copyright (C) 2017-2023 Dan <https://github.com/delivrance>
#  Copyright (C) 2023-present Hydrogram <https://hydrogram.org>
#
#  This file is part of Hydrogram.
#
#  Hydrogram is free software: you can redistribute it and/or modify
#  it under the terms of the GNU Lesser General Public License as published
#  by the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  Hydrogram is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public License
#  along with Hydrogram.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import annotations

import hydrogram
from hydrogram import raw


class GetChatOnlineCount:
    async def get_chat_online_count(self: hydrogram.Client, chat_id: int | str) -> int:
        """Get the number of members that are currently online in a chat.

        .. include:: /_includes/usable-by/users.rst

        Parameters:
            chat_id (``int`` | ``str``):
                Unique identifier (int) or username (str) of the target chat.

        Returns:
            ``int``: On success, the chat members online count is returned.

        Example:
            .. code-block:: python

                online = await app.get_chat_online_count(chat_id)
                print(online)
        """
        return (
            await self.invoke(
                raw.functions.messages.GetOnlines(peer=await self.resolve_peer(chat_id))
            )
        ).onlines