#  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/>.

import hydrogram
from hydrogram import raw


class GetDialogsCount:
    async def get_dialogs_count(self: "hydrogram.Client", pinned_only: bool = False) -> int:
        """Get the total count of your dialogs.

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

        Parameters:
            pinned_only (``bool``, *optional*):
                Pass True if you want to count only pinned dialogs.
                Defaults to False.

        Returns:
            ``int``: On success, the dialogs count is returned.

        Example:
            .. code-block:: python

                count = await app.get_dialogs_count()
                print(count)
        """

        if pinned_only:
            return len(
                (await self.invoke(raw.functions.messages.GetPinnedDialogs(folder_id=0))).dialogs
            )
        r = await self.invoke(
            raw.functions.messages.GetDialogs(
                offset_date=0,
                offset_id=0,
                offset_peer=raw.types.InputPeerEmpty(),
                limit=1,
                hash=0,
            )
        )

        return len(r.dialogs) if isinstance(r, raw.types.messages.Dialogs) else r.count
