import json
import asyncio
from typing import Any, Set, cast

import pytest
from nonebug import App

import nonebot
from nonebot.config import Env
from nonebot.adapters import Bot
from nonebot.params import Depends
from nonebot import _resolve_combine_expr
from nonebot.dependencies import Dependent
from nonebot.exception import WebSocketClosed
from nonebot.drivers._lifespan import Lifespan
from nonebot.drivers import (
    URL,
    Driver,
    Request,
    Response,
    WebSocket,
    ForwardDriver,
    ReverseDriver,
    HTTPServerSetup,
    WebSocketServerSetup,
)


@pytest.fixture(name="driver")
def load_driver(request: pytest.FixtureRequest) -> Driver:
    driver_name = getattr(request, "param", None)
    global_driver = nonebot.get_driver()
    if driver_name is None:
        return global_driver

    DriverClass = _resolve_combine_expr(driver_name)
    return DriverClass(Env(environment=global_driver.env), global_driver.config)


@pytest.mark.asyncio
async def test_lifespan():
    lifespan = Lifespan()

    start_log = []
    shutdown_log = []

    @lifespan.on_startup
    async def _startup1():
        assert start_log == []
        start_log.append(1)

    @lifespan.on_startup
    async def _startup2():
        assert start_log == [1]
        start_log.append(2)

    @lifespan.on_shutdown
    async def _shutdown1():
        assert shutdown_log == []
        shutdown_log.append(1)

    @lifespan.on_shutdown
    async def _shutdown2():
        assert shutdown_log == [1]
        shutdown_log.append(2)

    async with lifespan:
        assert start_log == [1, 2]

    assert shutdown_log == [1, 2]


@pytest.mark.asyncio
@pytest.mark.parametrize(
    "driver",
    [
        pytest.param("nonebot.drivers.fastapi:Driver", id="fastapi"),
        pytest.param("nonebot.drivers.quart:Driver", id="quart"),
    ],
    indirect=True,
)
async def test_reverse_driver(app: App, driver: Driver):
    driver = cast(ReverseDriver, driver)

    async def _handle_http(request: Request) -> Response:
        assert request.content in (b"test", "test")
        return Response(200, content="test")

    async def _handle_ws(ws: WebSocket) -> None:
        await ws.accept()
        data = await ws.receive()
        assert data == "ping"
        await ws.send("pong")

        data = await ws.receive()
        assert data == b"ping"
        await ws.send(b"pong")

        data = await ws.receive_text()
        assert data == "ping"
        await ws.send("pong")

        data = await ws.receive_bytes()
        assert data == b"ping"
        await ws.send(b"pong")

        with pytest.raises(WebSocketClosed):
            await ws.receive()

    http_setup = HTTPServerSetup(URL("/http_test"), "POST", "http_test", _handle_http)
    driver.setup_http_server(http_setup)

    ws_setup = WebSocketServerSetup(URL("/ws_test"), "ws_test", _handle_ws)
    driver.setup_websocket_server(ws_setup)

    async with app.test_server(driver.asgi) as ctx:
        client = ctx.get_client()
        response = await client.post("/http_test", data="test")
        assert response.status_code == 200
        assert response.text == "test"

        async with client.websocket_connect("/ws_test") as ws:
            await ws.send_text("ping")
            assert await ws.receive_text() == "pong"
            await ws.send_bytes(b"ping")
            assert await ws.receive_bytes() == b"pong"

            await ws.send_text("ping")
            assert await ws.receive_text() == "pong"

            await ws.send_bytes(b"ping")
            assert await ws.receive_bytes() == b"pong"

            await ws.close()

    await asyncio.sleep(1)


@pytest.mark.asyncio
@pytest.mark.parametrize(
    "driver",
    [
        pytest.param("nonebot.drivers.httpx:Driver", id="httpx"),
        pytest.param("nonebot.drivers.aiohttp:Driver", id="aiohttp"),
    ],
    indirect=True,
)
async def test_http_driver(driver: Driver):
    driver = cast(ForwardDriver, driver)

    request = Request(
        "POST",
        "https://httpbin.org/post",
        params={"param": "test"},
        headers={"X-Test": "test"},
        cookies={"session": "test"},
        content="test",
    )
    response = await driver.request(request)
    assert response.status_code == 200 and response.content
    data = json.loads(response.content)
    assert data["args"] == {"param": "test"}
    assert data["headers"].get("X-Test") == "test"
    assert data["headers"].get("Cookie") == "session=test"
    assert data["data"] == "test"

    request = Request("POST", "https://httpbin.org/post", data={"form": "test"})
    response = await driver.request(request)
    assert response.status_code == 200 and response.content
    data = json.loads(response.content)
    assert data["form"] == {"form": "test"}

    request = Request("POST", "https://httpbin.org/post", json={"json": "test"})
    response = await driver.request(request)
    assert response.status_code == 200 and response.content
    data = json.loads(response.content)
    assert data["json"] == {"json": "test"}

    request = Request(
        "POST", "https://httpbin.org/post", files={"test": ("test.txt", b"test")}
    )
    response = await driver.request(request)
    assert response.status_code == 200 and response.content
    data = json.loads(response.content)
    assert data["files"] == {"test": "test"}

    await asyncio.sleep(1)


@pytest.mark.asyncio
@pytest.mark.parametrize(
    "driver, driver_type",
    [
        pytest.param(
            "nonebot.drivers.fastapi:Driver+nonebot.drivers.aiohttp:Mixin",
            "fastapi+aiohttp",
            id="fastapi+aiohttp",
        ),
        pytest.param(
            "~httpx:Driver+~websockets",
            "none+httpx+websockets",
            id="httpx+websockets",
        ),
    ],
    indirect=["driver"],
)
async def test_combine_driver(driver: Driver, driver_type: str):
    assert driver.type == driver_type


@pytest.mark.asyncio
async def test_bot_connect_hook(app: App, driver: Driver):
    with pytest.MonkeyPatch.context() as m:
        conn_hooks: Set[Dependent[Any]] = set()
        disconn_hooks: Set[Dependent[Any]] = set()
        m.setattr(Driver, "_bot_connection_hook", conn_hooks)
        m.setattr(Driver, "_bot_disconnection_hook", disconn_hooks)

        conn_should_be_called = False
        disconn_should_be_called = False
        dependency_should_be_run = False
        dependency_should_be_cleaned = False

        async def dependency():
            nonlocal dependency_should_be_run, dependency_should_be_cleaned
            dependency_should_be_run = True
            try:
                yield 1
            finally:
                dependency_should_be_cleaned = True

        @driver.on_bot_connect
        async def conn_hook(foo: Bot, dep: int = Depends(dependency), default: int = 1):
            nonlocal conn_should_be_called
            conn_should_be_called = True

            if foo is not bot:
                pytest.fail("on_bot_connect hook called with wrong bot")
            if dep != 1:
                pytest.fail("on_bot_connect hook called with wrong dependency")
            if default != 1:
                pytest.fail("on_bot_connect hook called with wrong default value")

        @driver.on_bot_disconnect
        async def disconn_hook(
            foo: Bot, dep: int = Depends(dependency), default: int = 1
        ):
            nonlocal disconn_should_be_called
            disconn_should_be_called = True

            if foo is not bot:
                pytest.fail("on_bot_disconnect hook called with wrong bot")
            if dep != 1:
                pytest.fail("on_bot_connect hook called with wrong dependency")
            if default != 1:
                pytest.fail("on_bot_connect hook called with wrong default value")

        if conn_hook not in {hook.call for hook in conn_hooks}:
            pytest.fail("on_bot_connect hook not registered")
        if disconn_hook not in {hook.call for hook in disconn_hooks}:
            pytest.fail("on_bot_disconnect hook not registered")

        async with app.test_api() as ctx:
            bot = ctx.create_bot()

        await asyncio.sleep(1)
        if not conn_should_be_called:
            pytest.fail("on_bot_connect hook not called")
        if not disconn_should_be_called:
            pytest.fail("on_bot_disconnect hook not called")
        if not dependency_should_be_run:
            pytest.fail("dependency not run")
        if not dependency_should_be_cleaned:
            pytest.fail("dependency not cleaned")