#!/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 datetime

import pytest

from telegram import InputFile, InputMediaPhoto, InputMediaVideo, MessageEntity
from telegram.constants import ChatType
from telegram.request._requestparameter import RequestParameter
from tests.conftest import data_file


class TestRequestParameter:
    def test_init(self):
        request_parameter = RequestParameter("name", "value", [1, 2])
        assert request_parameter.name == "name"
        assert request_parameter.value == "value"
        assert request_parameter.input_files == [1, 2]

        request_parameter = RequestParameter("name", "value", None)
        assert request_parameter.name == "name"
        assert request_parameter.value == "value"
        assert request_parameter.input_files is None

    def test_slot_behaviour(self, mro_slots):
        inst = RequestParameter("name", "value", [1, 2])
        for attr in inst.__slots__:
            assert getattr(inst, attr, "err") != "err", f"got extra slot '{attr}'"
        assert len(mro_slots(inst)) == len(set(mro_slots(inst))), "duplicate slot"

    @pytest.mark.parametrize(
        "value, expected",
        [
            (1, "1"),
            ("one", "one"),
            (True, "true"),
            (None, None),
            ([1, "1"], '[1, "1"]'),
            ({True: None}, '{"true": null}'),
            ((1,), "[1]"),
        ],
    )
    def test_json_value(self, value, expected):
        request_parameter = RequestParameter("name", value, None)
        assert request_parameter.json_value == expected

    def test_multiple_multipart_data(self):
        assert RequestParameter("name", "value", []).multipart_data is None

        input_file_1 = InputFile("data1", attach=True)
        input_file_2 = InputFile("data2", filename="custom")
        request_parameter = RequestParameter(
            value="value", name="name", input_files=[input_file_1, input_file_2]
        )
        files = request_parameter.multipart_data
        assert files[input_file_1.attach_name] == input_file_1.field_tuple
        assert files["name"] == input_file_2.field_tuple

    @pytest.mark.parametrize(
        ("value", "expected_value"),
        [
            (True, True),
            ("str", "str"),
            ({1: 1.0}, {1: 1.0}),
            (ChatType.PRIVATE, "private"),
            (MessageEntity("type", 1, 1), {"type": "type", "offset": 1, "length": 1}),
            (datetime.datetime(2019, 11, 11, 0, 26, 16, 10**5), 1573431976),
            (
                [
                    True,
                    "str",
                    MessageEntity("type", 1, 1),
                    ChatType.PRIVATE,
                    datetime.datetime(2019, 11, 11, 0, 26, 16, 10**5),
                ],
                [True, "str", {"type": "type", "offset": 1, "length": 1}, "private", 1573431976],
            ),
        ],
    )
    def test_from_input_no_media(self, value, expected_value):
        request_parameter = RequestParameter.from_input("key", value)
        assert request_parameter.value == expected_value
        assert request_parameter.input_files is None

    def test_from_input_inputfile(self):
        inputfile_1 = InputFile("data1", filename="inputfile_1", attach=True)
        inputfile_2 = InputFile("data2", filename="inputfile_2")

        request_parameter = RequestParameter.from_input("key", inputfile_1)
        assert request_parameter.value == inputfile_1.attach_uri
        assert request_parameter.input_files == [inputfile_1]

        request_parameter = RequestParameter.from_input("key", inputfile_2)
        assert request_parameter.value is None
        assert request_parameter.input_files == [inputfile_2]

        request_parameter = RequestParameter.from_input("key", [inputfile_1, inputfile_2])
        assert request_parameter.value == [inputfile_1.attach_uri]
        assert request_parameter.input_files == [inputfile_1, inputfile_2]

    def test_from_input_input_media(self):
        input_media_no_thumb = InputMediaPhoto(media=data_file("telegram.jpg").read_bytes())
        input_media_thumb = InputMediaVideo(
            media=data_file("telegram.mp4").read_bytes(),
            thumb=data_file("telegram.jpg").read_bytes(),
        )

        request_parameter = RequestParameter.from_input("key", input_media_no_thumb)
        expected_no_thumb = input_media_no_thumb.to_dict()
        expected_no_thumb.update({"media": input_media_no_thumb.media.attach_uri})
        assert request_parameter.value == expected_no_thumb
        assert request_parameter.input_files == [input_media_no_thumb.media]

        request_parameter = RequestParameter.from_input("key", input_media_thumb)
        expected_thumb = input_media_thumb.to_dict()
        expected_thumb.update({"media": input_media_thumb.media.attach_uri})
        expected_thumb.update({"thumb": input_media_thumb.thumb.attach_uri})
        assert request_parameter.value == expected_thumb
        assert request_parameter.input_files == [input_media_thumb.media, input_media_thumb.thumb]

        request_parameter = RequestParameter.from_input(
            "key", [input_media_thumb, input_media_no_thumb]
        )
        assert request_parameter.value == [expected_thumb, expected_no_thumb]
        assert request_parameter.input_files == [
            input_media_thumb.media,
            input_media_thumb.thumb,
            input_media_no_thumb.media,
        ]

    def test_from_input_inputmedia_without_attach(self):
        """This case will never happen, but we test it for completeness"""
        input_media = InputMediaVideo(
            data_file("telegram.png").read_bytes(),
            thumb=data_file("telegram.png").read_bytes(),
            parse_mode=None,
        )
        input_media.media.attach_name = None
        input_media.thumb.attach_name = None
        request_parameter = RequestParameter.from_input("key", input_media)
        assert request_parameter.value == {"type": "video"}
        assert request_parameter.input_files == [input_media.media, input_media.thumb]
