#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2023
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program.  If not, see [http://www.gnu.org/licenses/].
"""This module contains an object that represents a Telegram Document."""
from typing import Optional

from telegram._files._basethumbedmedium import _BaseThumbedMedium
from telegram._files.photosize import PhotoSize
from telegram._utils.types import JSONDict


class Document(_BaseThumbedMedium):
    """This object represents a general file
    (as opposed to photos, voice messages and audio files).

    Objects of this class are comparable in terms of equality. Two objects of this class are
    considered equal, if their :attr:`file_unique_id` is equal.

    .. versionchanged:: NEXT.VERSION
      |removed_thumb_note|

    Args:
        file_id (:obj:`str`): Identifier for this file, which can be used to download
            or reuse the file.
        file_unique_id (:obj:`str`): Unique identifier for this file, which is supposed to be
            the same over time and for different bots. Can't be used to download or reuse the file.
        file_name (:obj:`str`, optional): Original filename as defined by sender.
        mime_type (:obj:`str`, optional): MIME type of the file as defined by sender.
        file_size (:obj:`int`, optional): File size in bytes.
        thumbnail (:class:`telegram.PhotoSize`, optional): Document thumbnail as defined by sender.

            .. versionadded:: 20.2

    Attributes:
        file_id (:obj:`str`): Identifier for this file, which can be used to download
            or reuse the file.
        file_unique_id (:obj:`str`): Unique identifier for this file, which is supposed to be
            the same over time and for different bots. Can't be used to download or reuse the file.
        file_name (:obj:`str`): Optional. Original filename as defined by sender.
        mime_type (:obj:`str`): Optional. MIME type of the file as defined by sender.
        file_size (:obj:`int`): Optional. File size in bytes.
        thumbnail (:class:`telegram.PhotoSize`): Optional. Document thumbnail as defined by sender.

            .. versionadded:: 20.2

    """

    __slots__ = ("file_name", "mime_type")

    def __init__(
        self,
        file_id: str,
        file_unique_id: str,
        file_name: Optional[str] = None,
        mime_type: Optional[str] = None,
        file_size: Optional[int] = None,
        thumbnail: Optional[PhotoSize] = None,
        *,
        api_kwargs: Optional[JSONDict] = None,
    ):
        super().__init__(
            file_id=file_id,
            file_unique_id=file_unique_id,
            file_size=file_size,
            thumbnail=thumbnail,
            api_kwargs=api_kwargs,
        )
        with self._unfrozen():
            # Optional
            self.mime_type: Optional[str] = mime_type
            self.file_name: Optional[str] = file_name