#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2024
# 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/].
import asyncio
import os
from pathlib import Path

import pytest

from telegram import Bot, InputFile, MessageEntity, PhotoSize, ReplyParameters, Video, Voice
from telegram.constants import ParseMode
from telegram.error import BadRequest, TelegramError
from telegram.helpers import escape_markdown
from telegram.request import RequestData
from tests.auxil.bot_method_checks import (
    check_defaults_handling,
    check_shortcut_call,
    check_shortcut_signature,
)
from tests.auxil.build_messages import make_message
from tests.auxil.files import data_file
from tests.auxil.slots import mro_slots


@pytest.fixture()
def video_file():
    with data_file("telegram.mp4").open("rb") as f:
        yield f


@pytest.fixture(scope="module")
async def video(bot, chat_id):
    with data_file("telegram.mp4").open("rb") as f:
        return (await bot.send_video(chat_id, video=f, read_timeout=50)).video


class TestVideoBase:
    width = 360
    height = 640
    duration = 5
    file_size = 326534
    mime_type = "video/mp4"
    supports_streaming = True
    file_name = "telegram.mp4"
    thumb_width = 180
    thumb_height = 320
    thumb_file_size = 1767
    caption = "<b>VideoTest</b> - *Caption*"
    video_file_url = "https://python-telegram-bot.org/static/testfiles/telegram.mp4"
    video_file_id = "5a3128a4d2a04750b5b58397f3b5e812"
    video_file_unique_id = "adc3145fd2e84d95b64d68eaa22aa33e"


class TestVideoWithoutRequest(TestVideoBase):
    def test_slot_behaviour(self, video):
        for attr in video.__slots__:
            assert getattr(video, attr, "err") != "err", f"got extra slot '{attr}'"
        assert len(mro_slots(video)) == len(set(mro_slots(video))), "duplicate slot"

    def test_creation(self, video):
        # Make sure file has been uploaded.
        assert isinstance(video, Video)
        assert isinstance(video.file_id, str)
        assert isinstance(video.file_unique_id, str)
        assert video.file_id
        assert video.file_unique_id

        assert isinstance(video.thumbnail, PhotoSize)
        assert isinstance(video.thumbnail.file_id, str)
        assert isinstance(video.thumbnail.file_unique_id, str)
        assert video.thumbnail.file_id
        assert video.thumbnail.file_unique_id

    def test_expected_values(self, video):
        assert video.width == self.width
        assert video.height == self.height
        assert video.duration == self.duration
        assert video.file_size == self.file_size
        assert video.mime_type == self.mime_type

    def test_de_json(self, bot):
        json_dict = {
            "file_id": self.video_file_id,
            "file_unique_id": self.video_file_unique_id,
            "width": self.width,
            "height": self.height,
            "duration": self.duration,
            "mime_type": self.mime_type,
            "file_size": self.file_size,
            "file_name": self.file_name,
        }
        json_video = Video.de_json(json_dict, bot)
        assert json_video.api_kwargs == {}

        assert json_video.file_id == self.video_file_id
        assert json_video.file_unique_id == self.video_file_unique_id
        assert json_video.width == self.width
        assert json_video.height == self.height
        assert json_video.duration == self.duration
        assert json_video.mime_type == self.mime_type
        assert json_video.file_size == self.file_size
        assert json_video.file_name == self.file_name

    def test_to_dict(self, video):
        video_dict = video.to_dict()

        assert isinstance(video_dict, dict)
        assert video_dict["file_id"] == video.file_id
        assert video_dict["file_unique_id"] == video.file_unique_id
        assert video_dict["width"] == video.width
        assert video_dict["height"] == video.height
        assert video_dict["duration"] == video.duration
        assert video_dict["mime_type"] == video.mime_type
        assert video_dict["file_size"] == video.file_size
        assert video_dict["file_name"] == video.file_name

    def test_equality(self, video):
        a = Video(video.file_id, video.file_unique_id, self.width, self.height, self.duration)
        b = Video("", video.file_unique_id, self.width, self.height, self.duration)
        c = Video(video.file_id, video.file_unique_id, 0, 0, 0)
        d = Video("", "", self.width, self.height, self.duration)
        e = Voice(video.file_id, video.file_unique_id, self.duration)

        assert a == b
        assert hash(a) == hash(b)
        assert a is not b

        assert a == c
        assert hash(a) == hash(c)

        assert a != d
        assert hash(a) != hash(d)

        assert a != e
        assert hash(a) != hash(e)

    async def test_error_without_required_args(self, bot, chat_id):
        with pytest.raises(TypeError):
            await bot.send_video(chat_id=chat_id)

    async def test_send_with_video(self, monkeypatch, bot, chat_id, video):
        async def make_assertion(url, request_data: RequestData, *args, **kwargs):
            return request_data.json_parameters["video"] == video.file_id

        monkeypatch.setattr(bot.request, "post", make_assertion)
        assert await bot.send_video(chat_id, video=video)

    async def test_send_video_custom_filename(self, bot, chat_id, video_file, monkeypatch):
        async def make_assertion(url, request_data: RequestData, *args, **kwargs):
            return next(iter(request_data.multipart_data.values()))[0] == "custom_filename"

        monkeypatch.setattr(bot.request, "post", make_assertion)

        assert await bot.send_video(chat_id, video_file, filename="custom_filename")

    @pytest.mark.parametrize("local_mode", [True, False])
    async def test_send_video_local_files(self, monkeypatch, bot, chat_id, local_mode):
        try:
            bot._local_mode = local_mode
            # For just test that the correct paths are passed as we have no local bot API set up
            test_flag = False
            file = data_file("telegram.jpg")
            expected = file.as_uri()

            async def make_assertion(_, data, *args, **kwargs):
                nonlocal test_flag
                if local_mode:
                    test_flag = data.get("video") == expected and data.get("thumbnail") == expected
                else:
                    test_flag = isinstance(data.get("video"), InputFile) and isinstance(
                        data.get("thumbnail"), InputFile
                    )

            monkeypatch.setattr(bot, "_post", make_assertion)
            await bot.send_video(chat_id, file, thumbnail=file)
            assert test_flag
        finally:
            bot._local_mode = False

    async def test_get_file_instance_method(self, monkeypatch, video):
        async def make_assertion(*_, **kwargs):
            return kwargs["file_id"] == video.file_id

        assert check_shortcut_signature(Video.get_file, Bot.get_file, ["file_id"], [])
        assert await check_shortcut_call(video.get_file, video.get_bot(), "get_file")
        assert await check_defaults_handling(video.get_file, video.get_bot())

        monkeypatch.setattr(video.get_bot(), "get_file", make_assertion)
        assert await video.get_file()

    @pytest.mark.parametrize(
        ("default_bot", "custom"),
        [
            ({"parse_mode": ParseMode.HTML}, None),
            ({"parse_mode": ParseMode.HTML}, ParseMode.MARKDOWN_V2),
            ({"parse_mode": None}, ParseMode.MARKDOWN_V2),
        ],
        indirect=["default_bot"],
    )
    async def test_send_video_default_quote_parse_mode(
        self, default_bot, chat_id, video, custom, monkeypatch
    ):
        async def make_assertion(url, request_data: RequestData, *args, **kwargs):
            assert request_data.parameters["reply_parameters"].get("quote_parse_mode") == (
                custom or default_bot.defaults.quote_parse_mode
            )
            return make_message("dummy reply").to_dict()

        kwargs = {"message_id": 1}
        if custom is not None:
            kwargs["quote_parse_mode"] = custom

        monkeypatch.setattr(default_bot.request, "post", make_assertion)
        await default_bot.send_video(chat_id, video, reply_parameters=ReplyParameters(**kwargs))


class TestVideoWithRequest(TestVideoBase):
    async def test_send_all_args(self, bot, chat_id, video_file, video, thumb_file):
        message = await bot.send_video(
            chat_id,
            video_file,
            duration=self.duration,
            caption=self.caption,
            supports_streaming=self.supports_streaming,
            disable_notification=False,
            protect_content=True,
            width=video.width,
            height=video.height,
            parse_mode="Markdown",
            thumbnail=thumb_file,
            has_spoiler=True,
        )

        assert isinstance(message.video, Video)
        assert isinstance(message.video.file_id, str)
        assert isinstance(message.video.file_unique_id, str)
        assert message.video.file_id
        assert message.video.file_unique_id
        assert message.video.width == video.width
        assert message.video.height == video.height
        assert message.video.duration == video.duration
        assert message.video.file_size == video.file_size

        assert message.caption == self.caption.replace("*", "")

        assert message.video.thumbnail.file_size == self.thumb_file_size
        assert message.video.thumbnail.width == self.thumb_width
        assert message.video.thumbnail.height == self.thumb_height

        assert message.video.file_name == self.file_name
        assert message.has_protected_content
        assert message.has_media_spoiler

    async def test_get_and_download(self, bot, video, chat_id, tmp_file):
        new_file = await bot.get_file(video.file_id)

        assert new_file.file_size == self.file_size
        assert new_file.file_unique_id == video.file_unique_id
        assert new_file.file_path.startswith("https://")

        await new_file.download_to_drive(tmp_file)

        assert tmp_file.is_file()

    async def test_send_mp4_file_url(self, bot, chat_id, video):
        message = await bot.send_video(chat_id, self.video_file_url, caption=self.caption)

        assert isinstance(message.video, Video)
        assert isinstance(message.video.file_id, str)
        assert isinstance(message.video.file_unique_id, str)
        assert message.video.file_id
        assert message.video.file_unique_id
        assert message.video.width == video.width
        assert message.video.height == video.height
        assert message.video.duration == video.duration
        assert message.video.file_size == video.file_size

        assert isinstance(message.video.thumbnail, PhotoSize)
        assert isinstance(message.video.thumbnail.file_id, str)
        assert isinstance(message.video.thumbnail.file_unique_id, str)
        assert message.video.thumbnail.file_id
        assert message.video.thumbnail.file_unique_id
        assert message.video.thumbnail.width == 51  # This seems odd that it's not self.thumb_width
        assert message.video.thumbnail.height == 90  # Ditto
        assert message.video.thumbnail.file_size == 645  # same

        assert message.caption == self.caption

    async def test_send_video_caption_entities(self, bot, chat_id, video):
        test_string = "Italic Bold Code"
        entities = [
            MessageEntity(MessageEntity.ITALIC, 0, 6),
            MessageEntity(MessageEntity.ITALIC, 7, 4),
            MessageEntity(MessageEntity.ITALIC, 12, 4),
        ]
        message = await bot.send_video(
            chat_id, video, caption=test_string, caption_entities=entities
        )

        assert message.caption == test_string
        assert message.caption_entities == tuple(entities)

    async def test_resend(self, bot, chat_id, video):
        message = await bot.send_video(chat_id, video.file_id)
        assert message.video == video

    @pytest.mark.parametrize("default_bot", [{"parse_mode": "Markdown"}], indirect=True)
    async def test_send_video_default_parse_mode_1(self, default_bot, chat_id, video):
        test_string = "Italic Bold Code"
        test_markdown_string = "_Italic_ *Bold* `Code`"

        message = await default_bot.send_video(chat_id, video, caption=test_markdown_string)
        assert message.caption_markdown == test_markdown_string
        assert message.caption == test_string

    @pytest.mark.parametrize("default_bot", [{"parse_mode": "Markdown"}], indirect=True)
    async def test_send_video_default_parse_mode_2(self, default_bot, chat_id, video):
        test_markdown_string = "_Italic_ *Bold* `Code`"

        message = await default_bot.send_video(
            chat_id, video, caption=test_markdown_string, parse_mode=None
        )
        assert message.caption == test_markdown_string
        assert message.caption_markdown == escape_markdown(test_markdown_string)

    @pytest.mark.parametrize("default_bot", [{"parse_mode": "Markdown"}], indirect=True)
    async def test_send_video_default_parse_mode_3(self, default_bot, chat_id, video):
        test_markdown_string = "_Italic_ *Bold* `Code`"

        message = await default_bot.send_video(
            chat_id, video, caption=test_markdown_string, parse_mode="HTML"
        )
        assert message.caption == test_markdown_string
        assert message.caption_markdown == escape_markdown(test_markdown_string)

    @pytest.mark.parametrize("default_bot", [{"protect_content": True}], indirect=True)
    async def test_send_video_default_protect_content(self, chat_id, default_bot, video):
        tasks = asyncio.gather(
            default_bot.send_video(chat_id, video),
            default_bot.send_video(chat_id, video, protect_content=False),
        )
        protected, unprotected = await tasks
        assert protected.has_protected_content
        assert not unprotected.has_protected_content

    @pytest.mark.parametrize(
        ("default_bot", "custom"),
        [
            ({"allow_sending_without_reply": True}, None),
            ({"allow_sending_without_reply": False}, None),
            ({"allow_sending_without_reply": False}, True),
        ],
        indirect=["default_bot"],
    )
    async def test_send_video_default_allow_sending_without_reply(
        self, default_bot, chat_id, video, custom
    ):
        reply_to_message = await default_bot.send_message(chat_id, "test")
        await reply_to_message.delete()
        if custom is not None:
            message = await default_bot.send_video(
                chat_id,
                video,
                allow_sending_without_reply=custom,
                reply_to_message_id=reply_to_message.message_id,
            )
            assert message.reply_to_message is None
        elif default_bot.defaults.allow_sending_without_reply:
            message = await default_bot.send_video(
                chat_id, video, reply_to_message_id=reply_to_message.message_id
            )
            assert message.reply_to_message is None
        else:
            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_video(
                    chat_id, video, reply_to_message_id=reply_to_message.message_id
                )

    async def test_error_send_empty_file(self, bot, chat_id):
        with Path(os.devnull).open("rb") as file, pytest.raises(TelegramError):
            await bot.send_video(chat_id, file)

    async def test_error_send_empty_file_id(self, bot, chat_id):
        with pytest.raises(TelegramError):
            await bot.send_video(chat_id, "")