#!/usr/bin/env python
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2022
# 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 os
from io import BytesIO
from pathlib import Path

import pytest

from telegram import Bot, InputFile, MessageEntity, PhotoSize, Sticker
from telegram.error import BadRequest, TelegramError
from telegram.helpers import escape_markdown
from telegram.request import RequestData
from tests.conftest import (
    check_defaults_handling,
    check_shortcut_call,
    check_shortcut_signature,
    data_file,
    expect_bad_request,
)


@pytest.fixture(scope="function")
def photo_file():
    f = data_file("telegram.jpg").open("rb")
    yield f
    f.close()


@pytest.fixture(scope="class")
async def _photo(bot, chat_id):
    async def func():
        with data_file("telegram.jpg").open("rb") as f:
            photo = (await bot.send_photo(chat_id, photo=f, read_timeout=50)).photo
            return photo

    return await expect_bad_request(
        func, "Type of file mismatch", "Telegram did not accept the file."
    )


@pytest.fixture(scope="class")
def thumb(_photo):
    return _photo[0]


@pytest.fixture(scope="class")
def photo(_photo):
    return _photo[-1]


class TestPhoto:
    width = 800
    height = 800
    caption = "<b>PhotoTest</b> - *Caption*"
    photo_file_url = "https://python-telegram-bot.org/static/testfiles/telegram_new.jpg"
    # For some reason the file size is not the same after switching to httpx
    # so we accept three different sizes here. Shouldn't be too much
    file_size = [29176, 27662]

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

    def test_creation(self, thumb, photo):
        # Make sure file has been uploaded.
        assert isinstance(photo, PhotoSize)
        assert isinstance(photo.file_id, str)
        assert isinstance(photo.file_unique_id, str)
        assert photo.file_id != ""
        assert photo.file_unique_id != ""

        assert isinstance(thumb, PhotoSize)
        assert isinstance(thumb.file_id, str)
        assert isinstance(thumb.file_unique_id, str)
        assert thumb.file_id != ""
        assert thumb.file_unique_id != ""

    def test_expected_values(self, photo, thumb):
        assert photo.width == self.width
        assert photo.height == self.height
        assert photo.file_size in self.file_size
        assert thumb.width == 90
        assert thumb.height == 90
        assert thumb.file_size == 1477

    @pytest.mark.flaky(3, 1)
    async def test_send_photo_all_args(self, bot, chat_id, photo_file, thumb, photo):
        message = await bot.send_photo(
            chat_id,
            photo_file,
            caption=self.caption,
            disable_notification=False,
            protect_content=True,
            parse_mode="Markdown",
        )

        assert isinstance(message.photo[-2], PhotoSize)
        assert isinstance(message.photo[-2].file_id, str)
        assert isinstance(message.photo[-2].file_unique_id, str)
        assert message.photo[-2].file_id != ""
        assert message.photo[-2].file_unique_id != ""

        assert isinstance(message.photo[-1], PhotoSize)
        assert isinstance(message.photo[-1].file_id, str)
        assert isinstance(message.photo[-1].file_unique_id, str)
        assert message.photo[-1].file_id != ""
        assert message.photo[-1].file_unique_id != ""

        assert message.caption == TestPhoto.caption.replace("*", "")
        assert message.has_protected_content

    @pytest.mark.flaky(3, 1)
    async def test_send_photo_custom_filename(self, bot, chat_id, photo_file, monkeypatch):
        async def make_assertion(url, request_data: RequestData, *args, **kwargs):
            return list(request_data.multipart_data.values())[0][0] == "custom_filename"

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

        assert await bot.send_photo(chat_id, photo_file, filename="custom_filename")

    @pytest.mark.flaky(3, 1)
    async def test_send_photo_parse_mode_markdown(self, bot, chat_id, photo_file, thumb, photo):
        message = await bot.send_photo(
            chat_id, photo_file, caption=self.caption, parse_mode="Markdown"
        )
        assert isinstance(message.photo[-2], PhotoSize)
        assert isinstance(message.photo[-2].file_id, str)
        assert isinstance(message.photo[-2].file_unique_id, str)
        assert message.photo[-2].file_id != ""
        assert message.photo[-2].file_unique_id != ""

        assert isinstance(message.photo[-1], PhotoSize)
        assert isinstance(message.photo[-1].file_id, str)
        assert isinstance(message.photo[-1].file_unique_id, str)
        assert message.photo[-1].file_id != ""
        assert message.photo[-1].file_unique_id != ""

        assert message.caption == TestPhoto.caption.replace("*", "")
        assert len(message.caption_entities) == 1

    @pytest.mark.flaky(3, 1)
    async def test_send_photo_parse_mode_html(self, bot, chat_id, photo_file, thumb, photo):
        message = await bot.send_photo(
            chat_id, photo_file, caption=self.caption, parse_mode="HTML"
        )
        assert isinstance(message.photo[-2], PhotoSize)
        assert isinstance(message.photo[-2].file_id, str)
        assert isinstance(message.photo[-2].file_unique_id, str)
        assert message.photo[-2].file_id != ""
        assert message.photo[-2].file_unique_id != ""

        assert isinstance(message.photo[-1], PhotoSize)
        assert isinstance(message.photo[-1].file_id, str)
        assert isinstance(message.photo[-1].file_unique_id, str)
        assert message.photo[-1].file_id != ""
        assert message.photo[-1].file_unique_id != ""

        assert message.caption == TestPhoto.caption.replace("<b>", "").replace("</b>", "")
        assert len(message.caption_entities) == 1

    @pytest.mark.flaky(3, 1)
    async def test_send_photo_caption_entities(self, bot, chat_id, photo_file, thumb, photo):
        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_photo(
            chat_id, photo_file, caption=test_string, caption_entities=entities
        )

        assert message.caption == test_string
        assert message.caption_entities == entities

    @pytest.mark.flaky(3, 1)
    @pytest.mark.parametrize("default_bot", [{"parse_mode": "Markdown"}], indirect=True)
    async def test_send_photo_default_parse_mode_1(
        self, default_bot, chat_id, photo_file, thumb, photo
    ):
        test_string = "Italic Bold Code"
        test_markdown_string = "_Italic_ *Bold* `Code`"

        message = await default_bot.send_photo(chat_id, photo_file, caption=test_markdown_string)
        assert message.caption_markdown == test_markdown_string
        assert message.caption == test_string

    @pytest.mark.flaky(3, 1)
    @pytest.mark.parametrize("default_bot", [{"parse_mode": "Markdown"}], indirect=True)
    async def test_send_photo_default_parse_mode_2(
        self, default_bot, chat_id, photo_file, thumb, photo
    ):
        test_markdown_string = "_Italic_ *Bold* `Code`"

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

    @pytest.mark.flaky(3, 1)
    @pytest.mark.parametrize("default_bot", [{"parse_mode": "Markdown"}], indirect=True)
    async def test_send_photo_default_parse_mode_3(
        self, default_bot, chat_id, photo_file, thumb, photo
    ):
        test_markdown_string = "_Italic_ *Bold* `Code`"

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

    @pytest.mark.flaky(3, 1)
    @pytest.mark.parametrize("default_bot", [{"protect_content": True}], indirect=True)
    async def test_send_photo_default_protect_content(self, chat_id, default_bot, photo):
        protected = await default_bot.send_photo(chat_id, photo)
        assert protected.has_protected_content
        unprotected = await default_bot.send_photo(chat_id, photo, protect_content=False)
        assert not unprotected.has_protected_content

    @pytest.mark.parametrize("local_mode", [True, False])
    async def test_send_photo_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("photo") == expected
                else:
                    test_flag = isinstance(data.get("photo"), InputFile)

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

    @pytest.mark.flaky(3, 1)
    @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_photo_default_allow_sending_without_reply(
        self, default_bot, chat_id, photo_file, thumb, photo, 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_photo(
                chat_id,
                photo_file,
                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_photo(
                chat_id, photo_file, reply_to_message_id=reply_to_message.message_id
            )
            assert message.reply_to_message is None
        else:
            with pytest.raises(BadRequest, match="message not found"):
                await default_bot.send_photo(
                    chat_id, photo_file, reply_to_message_id=reply_to_message.message_id
                )

    @pytest.mark.flaky(3, 1)
    async def test_get_and_download(self, bot, photo):
        path = Path("telegram.jpg")
        if path.is_file():
            path.unlink()

        new_file = await bot.getFile(photo.file_id)

        assert new_file.file_size == photo.file_size
        assert new_file.file_unique_id == photo.file_unique_id
        assert new_file.file_path.startswith("https://") is True

        await new_file.download_to_memory("telegram.jpg")

        assert path.is_file()

    @pytest.mark.flaky(3, 1)
    async def test_send_url_jpg_file(self, bot, chat_id, thumb, photo):
        message = await bot.send_photo(chat_id, photo=self.photo_file_url)

        assert isinstance(message.photo[-2], PhotoSize)
        assert isinstance(message.photo[-2].file_id, str)
        assert isinstance(message.photo[-2].file_unique_id, str)
        assert message.photo[-2].file_id != ""
        assert message.photo[-2].file_unique_id != ""

        assert isinstance(message.photo[-1], PhotoSize)
        assert isinstance(message.photo[-1].file_id, str)
        assert isinstance(message.photo[-1].file_unique_id, str)
        assert message.photo[-1].file_id != ""
        assert message.photo[-1].file_unique_id != ""

    @pytest.mark.flaky(3, 1)
    async def test_send_url_png_file(self, bot, chat_id):
        message = await bot.send_photo(
            photo="http://dummyimage.com/600x400/000/fff.png&text=telegram", chat_id=chat_id
        )

        photo = message.photo[-1]

        assert isinstance(photo, PhotoSize)
        assert isinstance(photo.file_id, str)
        assert isinstance(photo.file_unique_id, str)
        assert photo.file_id != ""
        assert photo.file_unique_id != ""

    @pytest.mark.flaky(3, 1)
    async def test_send_url_gif_file(self, bot, chat_id):
        message = await bot.send_photo(
            photo="http://dummyimage.com/600x400/000/fff.png&text=telegram", chat_id=chat_id
        )

        photo = message.photo[-1]

        assert isinstance(photo, PhotoSize)
        assert isinstance(photo.file_id, str)
        assert isinstance(photo.file_unique_id, str)
        assert photo.file_id != ""
        assert photo.file_unique_id != ""

    @pytest.mark.flaky(3, 1)
    async def test_send_file_unicode_filename(self, bot, chat_id):
        """
        Regression test for https://github.com/python-telegram-bot/python-telegram-bot/issues/1202
        """
        with data_file("测试.png").open("rb") as f:
            message = await bot.send_photo(photo=f, chat_id=chat_id)

        photo = message.photo[-1]

        assert isinstance(photo, PhotoSize)
        assert isinstance(photo.file_id, str)
        assert isinstance(photo.file_unique_id, str)
        assert photo.file_id != ""
        assert photo.file_unique_id != ""

    @pytest.mark.flaky(3, 1)
    async def test_send_bytesio_jpg_file(self, bot, chat_id):
        filepath = data_file("telegram_no_standard_header.jpg")

        # raw image bytes
        raw_bytes = BytesIO(filepath.read_bytes())
        input_file = InputFile(raw_bytes)
        assert input_file.mimetype == "application/octet-stream"

        # raw image bytes with name info
        raw_bytes = BytesIO(filepath.read_bytes())
        raw_bytes.name = str(filepath)
        input_file = InputFile(raw_bytes)
        assert input_file.mimetype == "image/jpeg"

        # send raw photo
        raw_bytes = BytesIO(filepath.read_bytes())
        message = await bot.send_photo(chat_id, photo=raw_bytes)
        photo = message.photo[-1]
        assert isinstance(photo.file_id, str)
        assert isinstance(photo.file_unique_id, str)
        assert photo.file_id != ""
        assert photo.file_unique_id != ""
        assert isinstance(photo, PhotoSize)
        assert photo.width == 1280
        assert photo.height == 720
        assert photo.file_size == 33372

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

        monkeypatch.setattr(bot.request, "post", make_assertion)
        message = await bot.send_photo(photo=photo, chat_id=chat_id)
        assert message

    @pytest.mark.flaky(3, 1)
    async def test_resend(self, bot, chat_id, photo, thumb):
        message = await bot.send_photo(chat_id=chat_id, photo=photo.file_id)

        assert isinstance(message.photo[-2], PhotoSize)
        assert isinstance(message.photo[-2].file_id, str)
        assert isinstance(message.photo[-2].file_unique_id, str)
        assert message.photo[-2].file_id != ""
        assert message.photo[-2].file_unique_id != ""

        assert isinstance(message.photo[-1], PhotoSize)
        assert isinstance(message.photo[-1].file_id, str)
        assert isinstance(message.photo[-1].file_unique_id, str)
        assert message.photo[-1].file_id != ""
        assert message.photo[-1].file_unique_id != ""

    def test_de_json(self, bot, photo):
        json_dict = {
            "file_id": photo.file_id,
            "file_unique_id": photo.file_unique_id,
            "width": self.width,
            "height": self.height,
            "file_size": self.file_size,
        }
        json_photo = PhotoSize.de_json(json_dict, bot)
        assert json_photo.api_kwargs == {}

        assert json_photo.file_id == photo.file_id
        assert json_photo.file_unique_id == photo.file_unique_id
        assert json_photo.width == self.width
        assert json_photo.height == self.height
        assert json_photo.file_size == self.file_size

    def test_to_dict(self, photo):
        photo_dict = photo.to_dict()

        assert isinstance(photo_dict, dict)
        assert photo_dict["file_id"] == photo.file_id
        assert photo_dict["file_unique_id"] == photo.file_unique_id
        assert photo_dict["width"] == photo.width
        assert photo_dict["height"] == photo.height
        assert photo_dict["file_size"] == photo.file_size

    @pytest.mark.flaky(3, 1)
    async def test_error_send_empty_file(self, bot, chat_id):
        with pytest.raises(TelegramError):
            await bot.send_photo(chat_id=chat_id, photo=open(os.devnull, "rb"))

    @pytest.mark.flaky(3, 1)
    async def test_error_send_empty_file_id(self, bot, chat_id):
        with pytest.raises(TelegramError):
            await bot.send_photo(chat_id=chat_id, photo="")

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

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

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

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

    def test_equality(self, photo):
        a = PhotoSize(photo.file_id, photo.file_unique_id, self.width, self.height)
        b = PhotoSize("", photo.file_unique_id, self.width, self.height)
        c = PhotoSize(photo.file_id, photo.file_unique_id, 0, 0)
        d = PhotoSize("", "", self.width, self.height)
        e = Sticker(
            photo.file_id,
            photo.file_unique_id,
            self.width,
            self.height,
            False,
            False,
            Sticker.REGULAR,
        )

        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)