import json

import httpx
import pytest

from app.mywhoosh.client import (
    MyWhooshAuthError,
    MyWhooshClient,
    MyWhooshDeviceConflictError,
    MyWhooshIntegrationError,
    MyWhooshTransientError,
)
from app.mywhoosh.models import MyWhooshToken
from app.mywhoosh.tokenstore import MyWhooshTokenStore


@pytest.mark.asyncio
async def test_login_saves_access_refresh_and_whoosh_id(tmp_path) -> None:
    async def handler(request: httpx.Request) -> httpx.Response:
        assert request.url.path == "/http-service/api/login"
        return httpx.Response(
            200,
            json={
                "Success": True,
                "AccessToken": "new-access",
                "RefreshToken": "new-refresh",
                "WhooshId": "w-1",
            },
        )

    store = MyWhooshTokenStore(tmp_path / "mywhoosh.json")
    client = MyWhooshClient(store, http_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)))
    await client.login("rider@example.com", "secret")
    assert store.load() == MyWhooshToken("new-access", "new-refresh", "w-1")


@pytest.mark.asyncio
async def test_invalid_credentials_raise_auth_error(tmp_path) -> None:
    async def handler(request: httpx.Request) -> httpx.Response:
        return httpx.Response(200, json={"Success": False, "Message": "Invalid credentials"})

    client = MyWhooshClient(
        MyWhooshTokenStore(tmp_path / "mywhoosh.json"),
        http_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)),
    )
    with pytest.raises(MyWhooshAuthError):
        await client.login("rider@example.com", "bad")


@pytest.mark.asyncio
async def test_device_conflict_message_raises_device_conflict_error(tmp_path) -> None:
    async def handler(request: httpx.Request) -> httpx.Response:
        return httpx.Response(
            200, json={"Success": False, "Message": "You are already logged in from another device."}
        )

    client = MyWhooshClient(
        MyWhooshTokenStore(tmp_path / "mywhoosh.json"),
        http_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)),
    )
    with pytest.raises(MyWhooshDeviceConflictError):
        await client.login("rider@example.com", "secret")


@pytest.mark.asyncio
async def test_login_reuses_stable_device_id_across_calls(tmp_path) -> None:
    seen_device_ids = []

    async def handler(request: httpx.Request) -> httpx.Response:
        seen_device_ids.append(json.loads(request.content)["DeviceId"])
        return httpx.Response(
            200,
            json={"Success": True, "AccessToken": "access", "RefreshToken": "refresh", "WhooshId": "w-1"},
        )

    store = MyWhooshTokenStore(tmp_path / "mywhoosh.json")
    client = MyWhooshClient(store, http_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)))
    await client.login("rider@example.com", "secret")
    await client.login("rider@example.com", "secret")

    assert len(seen_device_ids) == 2
    assert seen_device_ids[0] == seen_device_ids[1]
    assert seen_device_ids[0] == store.get_or_create_device_id()


@pytest.mark.asyncio
async def test_login_returns_json_array_raises_integration_error(tmp_path) -> None:
    async def handler(request: httpx.Request) -> httpx.Response:
        return httpx.Response(200, json=["not", "an", "object"])

    client = MyWhooshClient(
        MyWhooshTokenStore(tmp_path / "mywhoosh.json"),
        http_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)),
    )
    with pytest.raises(MyWhooshIntegrationError):
        await client.login("rider@example.com", "bad")


@pytest.mark.asyncio
async def test_login_5xx_raises_transient_error(tmp_path) -> None:
    async def handler(request: httpx.Request) -> httpx.Response:
        return httpx.Response(503, text="Service Unavailable")

    client = MyWhooshClient(
        MyWhooshTokenStore(tmp_path / "mywhoosh.json"),
        http_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)),
    )
    with pytest.raises(MyWhooshTransientError):
        await client.login("rider@example.com", "secret")


@pytest.mark.asyncio
async def test_second_401_after_reauth_raises_auth_error(tmp_path) -> None:
    login_call_count = 0

    async def handler(request: httpx.Request) -> httpx.Response:
        nonlocal login_call_count
        if request.url.path.endswith("/activities"):
            return httpx.Response(401, json={"message": "expired"})
        if request.url.path.endswith("/login"):
            login_call_count += 1
            return httpx.Response(
                200,
                json={
                    "Success": True,
                    "AccessToken": "fresh-access",
                    "RefreshToken": "fresh-refresh",
                    "WhooshId": "w-1",
                },
            )
        raise AssertionError(request.url)

    store = MyWhooshTokenStore(tmp_path / "mywhoosh.json")
    store.save(MyWhooshToken(access_token="stale", refresh_token=None, whoosh_id=None))
    client = MyWhooshClient(store, http_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)))

    with pytest.raises(MyWhooshAuthError):
        await client.list_activities("rider@example.com", "secret")

    assert login_call_count == 1


@pytest.mark.asyncio
async def test_aclose_closes_self_owned_http_client(tmp_path) -> None:
    store = MyWhooshTokenStore(tmp_path / "mywhoosh.json")
    client = MyWhooshClient(store)

    await client.aclose()

    assert client.http.is_closed is True


@pytest.mark.asyncio
async def test_aclose_does_not_close_injected_http_client(tmp_path) -> None:
    store = MyWhooshTokenStore(tmp_path / "mywhoosh.json")
    injected = httpx.AsyncClient()
    client = MyWhooshClient(store, http_client=injected)

    await client.aclose()

    assert injected.is_closed is False
    await injected.aclose()


@pytest.mark.asyncio
async def test_client_usable_as_async_context_manager(tmp_path) -> None:
    store = MyWhooshTokenStore(tmp_path / "mywhoosh.json")

    async with MyWhooshClient(store) as client:
        http_client = client.http
        assert http_client.is_closed is False

    assert http_client.is_closed is True