#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2021
# 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 time

import pytest

from telegram import (
    Message,
    User,
    Update,
    Chat,
    CallbackQuery,
    InlineQuery,
    ChosenInlineResult,
    ShippingQuery,
    PreCheckoutQuery,
    Poll,
    PollOption,
    ChatMemberUpdated,
    ChatMember,
)
from telegram.poll import PollAnswer
from telegram.utils.helpers import from_timestamp

message = Message(1, None, Chat(1, ''), from_user=User(1, '', False), text='Text')
chat_member_updated = ChatMemberUpdated(
    Chat(1, 'chat'),
    User(1, '', False),
    from_timestamp(int(time.time())),
    ChatMember(User(1, '', False), ChatMember.CREATOR),
    ChatMember(User(1, '', False), ChatMember.CREATOR),
)

params = [
    {'message': message},
    {'edited_message': message},
    {'callback_query': CallbackQuery(1, User(1, '', False), 'chat', message=message)},
    {'channel_post': message},
    {'edited_channel_post': message},
    {'inline_query': InlineQuery(1, User(1, '', False), '', '')},
    {'chosen_inline_result': ChosenInlineResult('id', User(1, '', False), '')},
    {'shipping_query': ShippingQuery('id', User(1, '', False), '', None)},
    {'pre_checkout_query': PreCheckoutQuery('id', User(1, '', False), '', 0, '')},
    {'callback_query': CallbackQuery(1, User(1, '', False), 'chat')},
    {'poll': Poll('id', '?', [PollOption('.', 1)], False, False, False, Poll.REGULAR, True)},
    {'poll_answer': PollAnswer("id", User(1, '', False), [1])},
    {'my_chat_member': chat_member_updated},
    {'chat_member': chat_member_updated},
]

all_types = (
    'message',
    'edited_message',
    'callback_query',
    'channel_post',
    'edited_channel_post',
    'inline_query',
    'chosen_inline_result',
    'shipping_query',
    'pre_checkout_query',
    'poll',
    'poll_answer',
    'my_chat_member',
    'chat_member',
)

ids = all_types + ('callback_query_without_message',)


@pytest.fixture(params=params, ids=ids)
def update(request):
    return Update(update_id=TestUpdate.update_id, **request.param)


class TestUpdate:
    update_id = 868573637

    @pytest.mark.parametrize('paramdict', argvalues=params, ids=ids)
    def test_de_json(self, bot, paramdict):
        json_dict = {'update_id': TestUpdate.update_id}
        # Convert the single update 'item' to a dict of that item and apply it to the json_dict
        json_dict.update({k: v.to_dict() for k, v in paramdict.items()})
        update = Update.de_json(json_dict, bot)

        assert update.update_id == self.update_id

        # Make sure only one thing in the update (other than update_id) is not None
        i = 0
        for type in all_types:
            if getattr(update, type) is not None:
                i += 1
                assert getattr(update, type) == paramdict[type]
        assert i == 1

    def test_update_de_json_empty(self, bot):
        update = Update.de_json(None, bot)

        assert update is None

    def test_to_dict(self, update):
        update_dict = update.to_dict()

        assert isinstance(update_dict, dict)
        assert update_dict['update_id'] == update.update_id
        for type in all_types:
            if getattr(update, type) is not None:
                assert update_dict[type] == getattr(update, type).to_dict()

    def test_effective_chat(self, update):
        # Test that it's sometimes None per docstring
        chat = update.effective_chat
        if not (
            update.inline_query is not None
            or update.chosen_inline_result is not None
            or (update.callback_query is not None and update.callback_query.message is None)
            or update.shipping_query is not None
            or update.pre_checkout_query is not None
            or update.poll is not None
            or update.poll_answer is not None
        ):
            assert chat.id == 1
        else:
            assert chat is None

    def test_effective_user(self, update):
        # Test that it's sometimes None per docstring
        user = update.effective_user
        if not (
            update.channel_post is not None
            or update.edited_channel_post is not None
            or update.poll is not None
        ):
            assert user.id == 1
        else:
            assert user is None

    def test_effective_message(self, update):
        # Test that it's sometimes None per docstring
        eff_message = update.effective_message
        if not (
            update.inline_query is not None
            or update.chosen_inline_result is not None
            or (update.callback_query is not None and update.callback_query.message is None)
            or update.shipping_query is not None
            or update.pre_checkout_query is not None
            or update.poll is not None
            or update.poll_answer is not None
            or update.my_chat_member is not None
            or update.chat_member is not None
        ):
            assert eff_message.message_id == message.message_id
        else:
            assert eff_message is None

    def test_equality(self):
        a = Update(self.update_id, message=message)
        b = Update(self.update_id, message=message)
        c = Update(self.update_id)
        d = Update(0, message=message)
        e = User(self.update_id, '', False)

        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)