#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2017
# 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 Update, User, PreCheckoutQuery, OrderInfo


@pytest.fixture(scope='class')
def pre_checkout_query(bot):
    return PreCheckoutQuery(TestPreCheckoutQuery.id,
                            TestPreCheckoutQuery.from_user,
                            TestPreCheckoutQuery.currency,
                            TestPreCheckoutQuery.total_amount,
                            TestPreCheckoutQuery.invoice_payload,
                            shipping_option_id=TestPreCheckoutQuery.shipping_option_id,
                            order_info=TestPreCheckoutQuery.order_info,
                            bot=bot)


class TestPreCheckoutQuery(object):
    id = 5
    invoice_payload = 'invoice_payload'
    shipping_option_id = 'shipping_option_id'
    currency = 'EUR'
    total_amount = 100
    from_user = User(0, '', False)
    order_info = OrderInfo()

    def test_de_json(self, bot):
        json_dict = {
            'id': self.id,
            'invoice_payload': self.invoice_payload,
            'shipping_option_id': self.shipping_option_id,
            'currency': self.currency,
            'total_amount': self.total_amount,
            'from': self.from_user.to_dict(),
            'order_info': self.order_info.to_dict()
        }
        pre_checkout_query = PreCheckoutQuery.de_json(json_dict, bot)

        assert pre_checkout_query.id == self.id
        assert pre_checkout_query.invoice_payload == self.invoice_payload
        assert pre_checkout_query.shipping_option_id == self.shipping_option_id
        assert pre_checkout_query.currency == self.currency
        assert pre_checkout_query.from_user == self.from_user
        assert pre_checkout_query.order_info == self.order_info

    def test_to_dict(self, pre_checkout_query):
        pre_checkout_query_dict = pre_checkout_query.to_dict()

        assert isinstance(pre_checkout_query_dict, dict)
        assert pre_checkout_query_dict['id'] == pre_checkout_query.id
        assert pre_checkout_query_dict['invoice_payload'] == pre_checkout_query.invoice_payload
        assert pre_checkout_query_dict['shipping_option_id'] == \
               pre_checkout_query.shipping_option_id
        assert pre_checkout_query_dict['currency'] == pre_checkout_query.currency
        assert pre_checkout_query_dict['from'] == pre_checkout_query.from_user.to_dict()
        assert pre_checkout_query_dict['order_info'] == pre_checkout_query.order_info.to_dict()

    def test_answer(self, monkeypatch, pre_checkout_query):
        def test(*args, **kwargs):
            return args[1] == pre_checkout_query.id

        monkeypatch.setattr('telegram.Bot.answer_pre_checkout_query', test)
        assert pre_checkout_query.answer()

    def test_equality(self):
        a = PreCheckoutQuery(self.id, self.from_user, self.currency, self.total_amount,
                             self.invoice_payload)
        b = PreCheckoutQuery(self.id, self.from_user, self.currency, self.total_amount,
                             self.invoice_payload)
        c = PreCheckoutQuery(self.id, None, '', 0, '')
        d = PreCheckoutQuery(0, self.from_user, self.currency, self.total_amount,
                             self.invoice_payload)
        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)