# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram 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.
#
# Pyrogram 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 Pyrogram.  If not, see <http://www.gnu.org/licenses/>.

from typing import Union

from pyrogram.api import functions, types
from ...ext import BaseClient


class GetUserProfilePhotosCount(BaseClient):
    async def get_user_profile_photos_count(self, user_id: Union[int, str]) -> int:
        """Use this method to get the total count of profile pictures for a user.

        Args:
            user_id (``int`` | ``str``):
                Unique identifier (int) or username (str) of the target chat.
                For your personal cloud (Saved Messages) you can simply use "me" or "self".
                For a contact that exists in your Telegram address book you can use his phone number (str).

        Returns:
            On success, an integer is returned.

        Raises:
            :class:`RPCError <pyrogram.RPCError>` in case of a Telegram RPC error.
        """

        r = await self.send(
            functions.photos.GetUserPhotos(
                user_id=await self.resolve_peer(user_id),
                offset=0,
                max_id=0,
                limit=1
            )
        )

        if isinstance(r, types.photos.Photos):
            return len(r.photos)
        else:
            return r.count