import io

import aiofiles
import pytest
from aiofiles import threadpool
from aresponses import ResponsesMockServer

from aiogram.api.client.base import BaseBot
from aiogram.api.client.telegram import PRODUCTION
from aiogram.api.client.session.aiohttp import AiohttpSession
from aiogram.api.methods import GetMe

try:
    from asynctest import CoroutineMock, patch
except ImportError:
    from unittest.mock import AsyncMock as CoroutineMock, patch  # type: ignore


class TestBaseBot:
    def test_init(self):
        base_bot = BaseBot("42:TEST")
        assert isinstance(base_bot.session, AiohttpSession)
        assert base_bot.id == 42

    def test_hashable(self):
        base_bot = BaseBot("42:TEST")
        assert hash(base_bot) == hash("42:TEST")

    def test_equals(self):
        base_bot = BaseBot("42:TEST")
        assert base_bot == BaseBot("42:TEST")
        assert base_bot != "42:TEST"

    @pytest.mark.asyncio
    async def test_emit(self):
        base_bot = BaseBot("42:TEST")

        method = GetMe()

        with patch(
            "aiogram.api.client.session.aiohttp.AiohttpSession.make_request",
            new_callable=CoroutineMock,
        ) as mocked_make_request:
            await base_bot(method)
            mocked_make_request.assert_awaited_with("42:TEST", method)

    @pytest.mark.asyncio
    async def test_close(self):
        base_bot = BaseBot("42:TEST", session=AiohttpSession())
        await base_bot.session.create_session()

        with patch(
            "aiogram.api.client.session.aiohttp.AiohttpSession.close", new_callable=CoroutineMock
        ) as mocked_close:
            await base_bot.close()
            mocked_close.assert_awaited()

    @pytest.mark.asyncio
    @pytest.mark.parametrize("close", [True, False])
    async def test_context_manager(self, close: bool):
        with patch(
            "aiogram.api.client.session.aiohttp.AiohttpSession.close", new_callable=CoroutineMock
        ) as mocked_close:
            async with BaseBot("42:TEST", session=AiohttpSession()).context(
                auto_close=close
            ) as bot:
                assert isinstance(bot, BaseBot)
            if close:
                mocked_close.assert_awaited()
            else:
                mocked_close.assert_not_awaited()

    @pytest.mark.asyncio
    async def test_download_file(self, aresponses: ResponsesMockServer):
        aresponses.add(
            aresponses.ANY, aresponses.ANY, "get", aresponses.Response(status=200, body=b"\f" * 10)
        )

        # https://github.com/Tinche/aiofiles#writing-tests-for-aiofiles
        aiofiles.threadpool.wrap.register(CoroutineMock)(
            lambda *args, **kwargs: threadpool.AsyncBufferedIOBase(*args, **kwargs)
        )

        mock_file = CoroutineMock()

        base_bot = BaseBot("42:TEST")
        with patch("aiofiles.threadpool.sync_open", return_value=mock_file):
            await base_bot.download_file("TEST", "file.png")
            mock_file.write.assert_called_once_with(b"\f" * 10)

    @pytest.mark.asyncio
    async def test_download_file_default_destination(self, aresponses: ResponsesMockServer):
        base_bot = BaseBot("42:TEST")

        aresponses.add(
            aresponses.ANY, aresponses.ANY, "get", aresponses.Response(status=200, body=b"\f" * 10)
        )

        result = await base_bot.download_file("TEST")

        assert isinstance(result, io.BytesIO)
        assert result.read() == b"\f" * 10

    @pytest.mark.asyncio
    async def test_download_file_custom_destination(self, aresponses: ResponsesMockServer):
        base_bot = BaseBot("42:TEST")

        aresponses.add(
            aresponses.ANY, aresponses.ANY, "get", aresponses.Response(status=200, body=b"\f" * 10)
        )

        custom = io.BytesIO()

        result = await base_bot.download_file("TEST", custom)

        assert isinstance(result, io.BytesIO)
        assert result is custom
        assert result.read() == b"\f" * 10

    def test_get_file_url(self):
        base_bot = BaseBot("42:TEST")

        file_url = PRODUCTION.file_url(token="42:TEST", path="path")
        assert file_url == base_bot.get_file_url("path")