#  Pyrogram - Telegram MTProto API Client Library for Python
#  Copyright (C) 2017-2020 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/>.

import os
import re
from typing import Union, BinaryIO

from pyrogram import StopTransmission
from pyrogram import raw
from pyrogram import types
from pyrogram import utils
from pyrogram.errors import FilePartMissing
from pyrogram.scaffold import Scaffold


class SendAnimation(Scaffold):
    async def send_animation(
        self,
        chat_id: Union[int, str],
        animation: Union[str, BinaryIO],
        file_ref: str = None,
        caption: str = "",
        unsave: bool = False,
        parse_mode: Union[str, None] = object,
        duration: int = 0,
        width: int = 0,
        height: int = 0,
        thumb: Union[str, BinaryIO] = None,
        file_name: str = None,
        disable_notification: bool = None,
        reply_to_message_id: int = None,
        schedule_date: int = None,
        reply_markup: Union[
            "types.InlineKeyboardMarkup",
            "types.ReplyKeyboardMarkup",
            "types.ReplyKeyboardRemove",
            "types.ForceReply"
        ] = None,
        progress: callable = None,
        progress_args: tuple = ()
    ) -> Union["types.Message", None]:
        """Send animation files (animation or H.264/MPEG-4 AVC video without sound).

        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).

            animation (``str`` | ``BinaryIO``):
                Animation to send.
                Pass a file_id as string to send an animation that exists on the Telegram servers,
                pass an HTTP URL as a string for Telegram to get an animation from the Internet,
                pass a file path as string to upload a new animation that exists on your local machine, or
                pass a binary file-like object with its attribute ".name" set for in-memory uploads.

            file_ref (``str``, *optional*):
                A valid file reference obtained by a recently fetched media message.
                To be used in combination with a file id in case a file reference is needed.

            caption (``str``, *optional*):
                Animation caption, 0-1024 characters.

            unsave (``bool``, *optional*):
                By default, the server will save into your own collection any new animation you send.
                Pass True to automatically unsave the sent animation. Defaults to False.

            parse_mode (``str``, *optional*):
                By default, texts are parsed using both Markdown and HTML styles.
                You can combine both syntaxes together.
                Pass "markdown" or "md" to enable Markdown-style parsing only.
                Pass "html" to enable HTML-style parsing only.
                Pass None to completely disable style parsing.

            duration (``int``, *optional*):
                Duration of sent animation in seconds.

            width (``int``, *optional*):
                Animation width.

            height (``int``, *optional*):
                Animation height.

            thumb (``str`` | ``BinaryIO``, *optional*):
                Thumbnail of the animation file sent.
                The thumbnail should be in JPEG format and less than 200 KB in size.
                A thumbnail's width and height should not exceed 320 pixels.
                Thumbnails can't be reused and can be only uploaded as a new file.

            file_name (``str``, *optional*):
                File name of the animation sent.
                Defaults to file's path basename.

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

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

            schedule_date (``int``, *optional*):
                Date when the message will be automatically sent. Unix time.

            reply_markup (:obj:`~pyrogram.types.InlineKeyboardMarkup` | :obj:`~pyrogram.types.ReplyKeyboardMarkup` | :obj:`~pyrogram.types.ReplyKeyboardRemove` | :obj:`~pyrogram.types.ForceReply`, *optional*):
                Additional interface options. An object for an inline keyboard, custom reply keyboard,
                instructions to remove reply keyboard or to force a reply from the user.

            progress (``callable``, *optional*):
                Pass a callback function to view the file transmission progress.
                The function must take *(current, total)* as positional arguments (look at Other Parameters below for a
                detailed description) and will be called back each time a new file chunk has been successfully
                transmitted.

            progress_args (``tuple``, *optional*):
                Extra custom arguments for the progress callback function.
                You can pass anything you need to be available in the progress callback scope; for example, a Message
                object or a Client instance in order to edit the message with the updated progress status.

        Other Parameters:
            current (``int``):
                The amount of bytes transmitted so far.

            total (``int``):
                The total size of the file.

            *args (``tuple``, *optional*):
                Extra custom arguments as defined in the *progress_args* parameter.
                You can either keep *\*args* or add every single extra argument in your function signature.

        Returns:
            :obj:`~pyrogram.types.Message` | ``None``: On success, the sent animation message is returned, otherwise,
            in case the upload is deliberately stopped with :meth:`~pyrogram.Client.stop_transmission`, None is
            returned.

        Example:
            .. code-block:: python

                # Send animation by uploading from local file
                app.send_animation("me", "animation.gif")

                # Add caption to the animation
                app.send_animation("me", "animation.gif", caption="cat")

                # Unsave the animation once is sent
                app.send_animation("me", "animation.gif", unsave=True)

                # Keep track of the progress while uploading
                def progress(current, total):
                    print(f"{current * 100 / total:.1f}%")

                app.send_animation("me", "animation.gif", progress=progress)
        """
        file = None

        try:
            if isinstance(animation, str):
                if os.path.isfile(animation):
                    thumb = await self.save_file(thumb)
                    file = await self.save_file(animation, progress=progress, progress_args=progress_args)
                    media = raw.types.InputMediaUploadedDocument(
                        mime_type=self.guess_mime_type(animation) or "video/mp4",
                        file=file,
                        thumb=thumb,
                        attributes=[
                            raw.types.DocumentAttributeVideo(
                                supports_streaming=True,
                                duration=duration,
                                w=width,
                                h=height
                            ),
                            raw.types.DocumentAttributeFilename(file_name=file_name or os.path.basename(animation)),
                            raw.types.DocumentAttributeAnimated()
                        ]
                    )
                elif re.match("^https?://", animation):
                    media = raw.types.InputMediaDocumentExternal(
                        url=animation
                    )
                else:
                    media = utils.get_input_media_from_file_id(animation, file_ref, 10)
            else:
                thumb = await self.save_file(thumb)
                file = await self.save_file(animation, progress=progress, progress_args=progress_args)
                media = raw.types.InputMediaUploadedDocument(
                    mime_type=self.guess_mime_type(animation.name) or "video/mp4",
                    file=file,
                    thumb=thumb,
                    attributes=[
                        raw.types.DocumentAttributeVideo(
                            supports_streaming=True,
                            duration=duration,
                            w=width,
                            h=height
                        ),
                        raw.types.DocumentAttributeFilename(file_name=animation.name),
                        raw.types.DocumentAttributeAnimated()
                    ]
                )

            while True:
                try:
                    r = await self.send(
                        raw.functions.messages.SendMedia(
                            peer=await self.resolve_peer(chat_id),
                            media=media,
                            silent=disable_notification or None,
                            reply_to_msg_id=reply_to_message_id,
                            random_id=self.rnd_id(),
                            schedule_date=schedule_date,
                            reply_markup=reply_markup.write() if reply_markup else None,
                            **await self.parser.parse(caption, parse_mode)
                        )
                    )
                except FilePartMissing as e:
                    await self.save_file(animation, file_id=file.id, file_part=e.x)
                else:
                    for i in r.updates:
                        if isinstance(i, (raw.types.UpdateNewMessage,
                                          raw.types.UpdateNewChannelMessage,
                                          raw.types.UpdateNewScheduledMessage)):
                            message = await types.Message._parse(
                                self, i.message,
                                {i.id: i for i in r.users},
                                {i.id: i for i in r.chats},
                                is_scheduled=isinstance(i, raw.types.UpdateNewScheduledMessage)
                            )

                            if unsave:
                                document = message.animation or message.document
                                document_id = utils.get_input_media_from_file_id(document.file_id, document.file_ref).id

                                await self.send(
                                    raw.functions.messages.SaveGif(
                                        id=document_id,
                                        unsave=True
                                    )
                                )

                            return message

        except StopTransmission:
            return None