#!/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 time

import pytest

from telegram import (
    CallbackQuery,
    Chat,
    ChatJoinRequest,
    ChatMemberOwner,
    ChatMemberUpdated,
    ChosenInlineResult,
    InlineQuery,
    Message,
    Poll,
    PollAnswer,
    PollOption,
    PreCheckoutQuery,
    ShippingQuery,
    Update,
    User,
)
from telegram._utils.datetime 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())),
    ChatMemberOwner(User(1, "", False), True),
    ChatMemberOwner(User(1, "", False), True),
)


chat_join_request = ChatJoinRequest(
    chat=Chat(1, Chat.SUPERGROUP),
    from_user=User(1, "first_name", False),
    date=from_timestamp(int(time.time())),
    bio="bio",
)

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, "")},
    {"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},
    {"chat_join_request": chat_join_request},
    # Must be last to conform with `ids` below!
    {"callback_query": CallbackQuery(1, User(1, "", False), "chat")},
]

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",
    "chat_join_request",
)

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

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

    @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
            or update.chat_join_request 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)
