# 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 PromoteChatMember(BaseClient):
    async def promote_chat_member(
        self,
        chat_id: Union[int, str],
        user_id: Union[int, str],
        can_change_info: bool = True,
        can_post_messages: bool = False,
        can_edit_messages: bool = False,
        can_delete_messages: bool = True,
        can_restrict_members: bool = True,
        can_invite_users: bool = True,
        can_pin_messages: bool = False,
        can_promote_members: bool = False
    ) -> bool:
        """Promote or demote a user in a supergroup or a channel.

        You must be an administrator in the chat for this to work and must have the appropriate admin rights.
        Pass False for all boolean parameters to demote a user.

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

            user_id (``int`` | ``str``):
                Unique identifier (int) or username (str) of the target user.
                For a contact that exists in your Telegram address book you can use his phone number (str).

            can_change_info (``bool``, *optional*):
                Pass True, if the administrator can change chat title, photo and other settings.

            can_post_messages (``bool``, *optional*):
                Pass True, if the administrator can create channel posts, channels only.

            can_edit_messages (``bool``, *optional*):
                Pass True, if the administrator can edit messages of other users and can pin messages, channels only.

            can_delete_messages (``bool``, *optional*):
                Pass True, if the administrator can delete messages of other users.

            can_restrict_members (``bool``, *optional*):
                Pass True, if the administrator can restrict, ban or unban chat members.

            can_invite_users (``bool``, *optional*):
                Pass True, if the administrator can invite new users to the chat.

            can_pin_messages (``bool``, *optional*):
                Pass True, if the administrator can pin messages, supergroups only.

            can_promote_members (``bool``, *optional*):
                Pass True, if the administrator can add new administrators with a subset of his own privileges or
                demote administrators that he has promoted, directly or indirectly (promoted by administrators that
                were appointed by him).

        Returns:
            ``bool``: True on success.

        Example:
            .. code-block:: python

                # Promote chat member to supergroup admin
                app.promote_chat_member(chat_id, user_id)
        """
        await self.send(
            functions.channels.EditAdmin(
                channel=await self.resolve_peer(chat_id),
                user_id=await self.resolve_peer(user_id),
                admin_rights=types.ChatAdminRights(
                    change_info=can_change_info or None,
                    post_messages=can_post_messages or None,
                    edit_messages=can_edit_messages or None,
                    delete_messages=can_delete_messages or None,
                    ban_users=can_restrict_members or None,
                    invite_users=can_invite_users or None,
                    pin_messages=can_pin_messages or None,
                    add_admins=can_promote_members or None,
                ),
                rank=""
            )
        )

        return True