import asyncio

import httpx
import pytest

from src import main


@pytest.mark.anyio
async def test_notification_detail_api_is_bounded_and_never_cacheable(monkeypatch):
    calls = []

    async def detail(thread_id):
        calls.append(thread_id)
        return {
            "id": thread_id,
            "repository": "stackchain/api",
            "title": "Retry failed deploy",
            "subject_type": "Issue",
            "state": "open",
            "url": "https://forge.example/stackchain/api/issues/7#issuecomment-9",
            "subject_body": "Deploy fails after three retries.",
            "latest_comment": {
                "author": "alexander",
                "body": "Logs point to the worker timeout.",
                "created_at": "2026-08-06T12:30:00Z",
                "url": "https://forge.example/stackchain/api/issues/7#issuecomment-9",
            },
        }

    monkeypatch.setattr(main, "notification_detail", detail, raising=False)
    transport = httpx.ASGITransport(app=main.app)
    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
        response = await client.get("/api/v1/notifications/42")
        invalid = await client.get("/api/v1/notifications/0")

    assert response.status_code == 200
    assert response.json()["latest_comment"]["author"] == "alexander"
    assert response.headers["cache-control"] == "no-store"
    assert invalid.status_code == 422
    assert calls == [42]


@pytest.mark.anyio
async def test_notification_detail_timeout_is_sanitized_and_retryable(monkeypatch):
    async def detail(_thread_id):
        await asyncio.sleep(0.05)

    monkeypatch.setattr(main, "notification_detail", detail)
    monkeypatch.setattr(main, "NOTIFICATION_DETAIL_TIMEOUT_SECONDS", 0.01)
    transport = httpx.ASGITransport(app=main.app, raise_app_exceptions=False)
    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
        response = await client.get("/api/v1/notifications/42")

    assert response.status_code == 503
    assert response.json() == {"error": "Loading the update timed out. Please retry."}
    assert response.headers["retry-after"] == "1"
    assert response.headers["cache-control"] == "no-store"


@pytest.mark.anyio
async def test_notification_detail_upstream_failure_does_not_leak_exception(monkeypatch):
    async def detail(_thread_id):
        raise httpx.HTTPError("token=secret upstream exploded")

    monkeypatch.setattr(main, "notification_detail", detail)
    transport = httpx.ASGITransport(app=main.app, raise_app_exceptions=False)
    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
        response = await client.get("/api/v1/notifications/42")

    assert response.status_code == 503
    assert response.json() == {
        "error": "The update is temporarily unavailable. Please retry."
    }
    assert "secret" not in response.text
    assert response.headers["retry-after"] == "1"