#!/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 pytest

from telegram import User, Location, InlineQuery, Update, Bot, Chat
from tests.conftest import check_shortcut_signature, check_shortcut_call, check_defaults_handling


@pytest.fixture(scope='class')
def inline_query(bot):
    return InlineQuery(
        TestInlineQuery.id_,
        TestInlineQuery.from_user,
        TestInlineQuery.query,
        TestInlineQuery.offset,
        location=TestInlineQuery.location,
        chat_type=TestInlineQuery.chat_type,
        bot=bot,
    )


class TestInlineQuery:
    id_ = 1234
    from_user = User(1, 'First name', False)
    query = 'query text'
    offset = 'offset'
    location = Location(8.8, 53.1)
    chat_type = Chat.SENDER

    def test_slot_behaviour(self, inline_query, recwarn, mro_slots):
        for attr in inline_query.__slots__:
            assert getattr(inline_query, attr, 'err') != 'err', f"got extra slot '{attr}'"
        assert not inline_query.__dict__, f"got missing slot(s): {inline_query.__dict__}"
        assert len(mro_slots(inline_query)) == len(set(mro_slots(inline_query))), "duplicate slot"
        inline_query.custom, inline_query.id = 'should give warning', self.id_
        assert len(recwarn) == 1 and 'custom' in str(recwarn[0].message), recwarn.list

    def test_de_json(self, bot):
        json_dict = {
            'id': self.id_,
            'from': self.from_user.to_dict(),
            'query': self.query,
            'offset': self.offset,
            'location': self.location.to_dict(),
            'chat_type': self.chat_type,
        }
        inline_query_json = InlineQuery.de_json(json_dict, bot)

        assert inline_query_json.id == self.id_
        assert inline_query_json.from_user == self.from_user
        assert inline_query_json.location == self.location
        assert inline_query_json.query == self.query
        assert inline_query_json.offset == self.offset
        assert inline_query_json.chat_type == self.chat_type

    def test_to_dict(self, inline_query):
        inline_query_dict = inline_query.to_dict()

        assert isinstance(inline_query_dict, dict)
        assert inline_query_dict['id'] == inline_query.id
        assert inline_query_dict['from'] == inline_query.from_user.to_dict()
        assert inline_query_dict['location'] == inline_query.location.to_dict()
        assert inline_query_dict['query'] == inline_query.query
        assert inline_query_dict['offset'] == inline_query.offset
        assert inline_query_dict['chat_type'] == inline_query.chat_type

    def test_answer(self, monkeypatch, inline_query):
        def make_assertion(*_, **kwargs):
            return kwargs['inline_query_id'] == inline_query.id

        assert check_shortcut_signature(
            InlineQuery.answer, Bot.answer_inline_query, ['inline_query_id'], ['auto_pagination']
        )
        assert check_shortcut_call(inline_query.answer, inline_query.bot, 'answer_inline_query')
        assert check_defaults_handling(inline_query.answer, inline_query.bot)

        monkeypatch.setattr(inline_query.bot, 'answer_inline_query', make_assertion)
        assert inline_query.answer(results=[])

    def test_answer_error(self, inline_query):
        with pytest.raises(TypeError, match='mutually exclusive'):
            inline_query.answer(results=[], auto_pagination=True, current_offset='foobar')

    def test_answer_auto_pagination(self, monkeypatch, inline_query):
        def make_assertion(*_, **kwargs):
            inline_query_id_matches = kwargs['inline_query_id'] == inline_query.id
            offset_matches = kwargs.get('current_offset') == inline_query.offset
            return offset_matches and inline_query_id_matches

        monkeypatch.setattr(inline_query.bot, 'answer_inline_query', make_assertion)
        assert inline_query.answer(results=[], auto_pagination=True)

    def test_equality(self):
        a = InlineQuery(self.id_, User(1, '', False), '', '')
        b = InlineQuery(self.id_, User(1, '', False), '', '')
        c = InlineQuery(self.id_, User(0, '', False), '', '')
        d = InlineQuery(0, User(1, '', False), '', '')
        e = Update(self.id_)

        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)