import datetime
import time

import pytest
from aiogram import Bot
from aiogram.api.types import Chat, Message, Update, User
from aiogram.dispatcher.dispatcher import Dispatcher
from aiogram.dispatcher.router import Router
from asynctest import MagicMock, patch


class TestDispatcher:
    def test_parent_router(self):
        dp = Dispatcher()
        with pytest.raises(RuntimeError):
            dp.parent_router = Router()
        assert dp.parent_router is None
        dp._parent_router = Router()
        assert dp.parent_router is None

    @pytest.mark.asyncio
    async def test_feed_update(self):
        dp = Dispatcher()
        bot = Bot("42:TEST")

        @dp.message_handler()
        async def my_handler(message: Message, **kwargs):
            assert "bot" in kwargs
            assert isinstance(kwargs["bot"], Bot)
            assert kwargs["bot"] == bot
            return message.text

        results_count = 0
        async for result in dp.feed_update(
            bot=bot,
            update=Update(
                update_id=42,
                message=Message(
                    message_id=42,
                    date=datetime.datetime.now(),
                    text="test",
                    chat=Chat(id=42, type="private"),
                    from_user=User(id=42, is_bot=False, first_name="Test"),
                ),
            ),
        ):
            results_count += 1
            assert result == "test"

        assert results_count == 1

    @pytest.mark.asyncio
    async def test_feed_raw_update(self):
        dp = Dispatcher()
        bot = Bot("42:TEST")

        with patch(
            "aiogram.dispatcher.dispatcher.Dispatcher.feed_update", new_callable=MagicMock
        ) as patched_feed_update:
            patched_feed_update.__aiter__.return_value = ["test"]
            async for result in dp.feed_raw_update(
                bot=bot,
                update={
                    "update_id": 42,
                    "message": {
                        "message_id": 42,
                        "date": int(time.time()),
                        "text": "test",
                        "chat": {"id": 42, "type": "private"},
                        "user": {"id": 42, "is_bot": False, "first_name": "Test"},
                    },
                },
            ):
                assert result == "test"

    @pytest.mark.skip
    @pytest.mark.asyncio
    async def test_listen_updates(self):
        pass

    @pytest.mark.skip
    @pytest.mark.asyncio
    async def test_polling(self):
        pass