#  Pyrofork - Telegram MTProto API Client Library for Python
#  Copyright (C) 2017-present Dan <https://github.com/delivrance>
#  Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
#
#  This file is part of Pyrofork.
#
#  Pyrofork 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.
#
#  Pyrofork 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 Pyrofork.  If not, see <http://www.gnu.org/licenses/>.

from datetime import datetime
from typing import Union, List, Optional

import pyrogram
from pyrogram import types, utils, raw, enums


class CopyMediaGroup:
    async def copy_media_group(
        self: "pyrogram.Client",
        chat_id: Union[int, str],
        from_chat_id: Union[int, str],
        message_id: int,
        captions: Union[List[str], str] = None,
        has_spoilers: Union[List[bool], bool] = None,
        disable_notification: bool = None,
        message_thread_id: int = None,
        send_as: Union[int, str] = None,
        reply_to_message_id: int = None,
        reply_to_chat_id: Union[int, str] = None,
        reply_to_story_id: int = None,
        quote_text: str = None,
        parse_mode: Optional["enums.ParseMode"] = None,
        quote_entities: List["types.MessageEntity"] = None,
        quote_offset: int = None,
        schedule_date: datetime = None,
        invert_media: bool = None,
        protect_content: bool = None,
        allow_paid_broadcast: bool = None,
        message_effect_id: int = None,
    ) -> List["types.Message"]:
        """Copy a media group by providing one of the message ids.

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

        Parameters:
            chat_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).
                You can also use chat public link in form of *t.me/<username>* (str).

            from_chat_id (``int`` | ``str``):
                Unique identifier (int) or username (str) of the source chat where the original media group was sent.
                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).
                You can also use chat public link in form of *t.me/<username>* (str).
                
            message_id (``int``):
                Message identifier in the chat specified in *from_chat_id*.

            captions (``str`` | List of ``str`` , *optional*):
                New caption for media, 0-1024 characters after entities parsing for each media.
                If not specified, the original caption is kept.
                Pass "" (empty string) to remove the caption.

                If a ``string`` is passed, it becomes a caption only for the first media.
                If a list of ``string`` passed, each element becomes caption for each media element.
                You can pass ``None`` in list to keep the original caption (see examples below).
                
            has_spoilers (``bool``, *optional*):
                Pass True if the photo needs to be covered with a spoiler animation.

            disable_notification (``bool``, *optional*):
                Sends the message silently.
                Users will receive a notification with no sound.

            message_thread_id (``int``, *optional*):
                Unique identifier for the target message thread (topic) of the forum.
                For supergroups only.

            send_as (``int`` | ``str``):
                Unique identifier (int) or username (str) of the chat or channel to send the message as.
                You can use this to send the message on behalf of a chat or channel where you have appropriate permissions.

            reply_to_message_id (``int``, *optional*):
                If the message is a reply, ID of the original message.

            reply_to_chat_id (``int``, *optional*):
                If the message is a reply, ID of the original chat.

            reply_to_story_id (``int``, *optional*):
                If the message is a reply, ID of the target story.

            quote_text (``str``, *optional*):
                Text of the quote to be sent.

            parse_mode (:obj:`~pyrogram.enums.ParseMode`, *optional*):
                By default, texts are parsed using both Markdown and HTML styles.
                You can combine both syntaxes together.

            quote_entities (List of :obj:`~pyrogram.types.MessageEntity`, *optional*):
                List of special entities that appear in quote text, which can be specified instead of *parse_mode*.

            quote_offset (``int``, *optional*):
                Offset for quote in original message.

            schedule_date (:py:obj:`~datetime.datetime`, *optional*):
                Date when the message will be automatically sent.

            invert_media (``bool``, *optional*):
                Pass True, if the caption must be shown above the message media.

            protect_content (``bool``, *optional*):
                Protects the contents of the sent message from forwarding and saving

            allow_paid_broadcast (``bool``, *optional*):
                Pass True to allow the message to ignore regular broadcast limits for a small fee; for bots only

            message_effect_id (``int`` ``64-bit``, *optional*):
                Unique identifier of the message effect to be added to the message; for private chats only.

        Returns:
            List of :obj:`~pyrogram.types.Message`: On success, a list of copied messages is returned.

        Example:
            .. code-block:: python

                # Copy a media group
                await app.copy_media_group(to_chat, from_chat, 123)

                await app.copy_media_group(to_chat, from_chat, 123, captions="single caption")

                await app.copy_media_group(to_chat, from_chat, 123,
                    captions=["caption 1", None, ""])
        """
        quote_text, quote_entities = (await utils.parse_text_entities(self, quote_text, parse_mode, quote_entities)).values()

        media_group = await self.get_media_group(from_chat_id, message_id)
        multi_media = []

        for i, message in enumerate(media_group):
            if message.photo:
                file_id = message.photo.file_id
            elif message.audio:
                file_id = message.audio.file_id
            elif message.document:
                file_id = message.document.file_id
            elif message.video:
                file_id = message.video.file_id
            else:
                raise ValueError("Message with this type can't be copied.")

            media = utils.get_input_media_from_file_id(
                file_id=file_id,
                has_spoiler=(
                    has_spoilers[i]
                    if isinstance(has_spoilers, list)
                    and i < len(has_spoilers)
                    else (
                        has_spoilers
                        if isinstance(has_spoilers, bool)
                        else message.has_media_spoiler
                    )
                ),
            )
            multi_media.append(
                raw.types.InputSingleMedia(
                    media=media,
                    random_id=self.rnd_id(),
                    **await self.parser.parse(
                        captions[i] if isinstance(captions, list) and i < len(captions) and captions[i] else
                        captions if isinstance(captions, str) and i == 0 else
                        message.caption if (
                            message.caption
                            and message.caption != "None"
                            and not isinstance(captions, str)
                            ) else ""
                        )
                )
            )

        reply_to = await utils.get_reply_to(
            client=self,
            reply_to_message_id=reply_to_message_id,
            message_thread_id=message_thread_id,
            reply_to_chat_id=reply_to_chat_id,
            reply_to_story_id=reply_to_story_id,
            quote_text=quote_text,
            quote_entities=quote_entities,
            quote_offset=quote_offset,
        )

        r = await self.invoke(
            raw.functions.messages.SendMultiMedia(
                peer=await self.resolve_peer(chat_id),
                multi_media=multi_media,
                silent=disable_notification or None,
                reply_to=reply_to,
                send_as=await self.resolve_peer(send_as) if send_as else None,
                schedule_date=utils.datetime_to_timestamp(schedule_date),
                noforwards=protect_content,
                invert_media=invert_media,
                allow_paid_floodskip=allow_paid_broadcast,
                effect=message_effect_id,
            ),
            sleep_threshold=60
        )

        return await utils.parse_messages(
            self,
            raw.types.messages.Messages(
                messages=[m.message for m in filter(
                    lambda u: isinstance(u, (raw.types.UpdateNewMessage,
                                             raw.types.UpdateNewChannelMessage,
                                             raw.types.UpdateNewScheduledMessage)),
                    r.updates
                )],
                users=r.users,
                chats=r.chats
            )
        )