#  Pyrogram - Telegram MTProto API Client Library for Python
#  Copyright (C) 2017-present Dan <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

import pyrogram
from pyrogram import raw, types, utils


class SetChatTitle:
    async def set_chat_title(
        self: "pyrogram.Client", chat_id: Union[int, str], title: str
    ) -> "types.Message":
        """Change the title of a chat.

        Titles can't be changed for private chats.
        You must be an administrator in the chat for this to work and must have the appropriate admin rights.

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

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

            title (``str``):
                New chat title, 1-255 characters.

        Returns:
            :obj:`~pyrogram.types.Message`: On success, the sent service message is returned.

        Raises:
            ValueError: In case a chat id belongs to user.

        Example:
            .. code-block:: python

                await app.set_chat_title(chat_id, "New Title")
        """
        peer = await self.resolve_peer(chat_id)

        if isinstance(peer, raw.types.InputPeerChat):
            r = await self.invoke(
                raw.functions.messages.EditChatTitle(chat_id=peer.chat_id, title=title)
            )
        elif isinstance(peer, raw.types.InputPeerChannel):
            r = await self.invoke(
                raw.functions.channels.EditTitle(channel=peer, title=title)
            )
        else:
            raise ValueError(f'The chat_id "{chat_id}" belongs to a user')

        messages = await utils.parse_messages(client=self, messages=r)

        return messages[0] if messages else None