"""Tests für den iCal-Abo-Feed (router/ical.py)."""
import pytest
import pytest_asyncio
from httpx import AsyncClient


@pytest_asyncio.fixture(scope="session", loop_scope="session")
async def ical_headers(client: AsyncClient):
    resp = await client.post("/api/v1/auth/register", json={
        "company_name": "iCal GmbH",
        "first_name": "Cal",
        "last_name": "Endar",
        "email": "admin@icalgmbh.de",
        "password": "Secret123",
    })
    assert resp.status_code == 201, resp.text
    return {"Authorization": f"Bearer {resp.json()['access_token']}"}


@pytest.mark.asyncio(loop_scope="session")
async def test_ical_token_disabled_by_default(client: AsyncClient, ical_headers):
    r = await client.get("/api/v1/users/me/ical-token", headers=ical_headers)
    assert r.status_code == 200
    assert r.json()["enabled"] is False


@pytest.mark.asyncio(loop_scope="session")
async def test_ical_feed_lifecycle(client: AsyncClient, ical_headers):
    # Aktivieren → URL zurück
    r = await client.post("/api/v1/users/me/ical-token", json={}, headers=ical_headers)
    assert r.status_code == 200, r.text
    url = r.json()["url"]
    assert url.endswith(".ics")
    assert r.json()["enabled"] is True

    # Öffentlicher Feed OHNE Auth erreichbar, liefert VCALENDAR
    path = url.split("/api/v1", 1)[1]
    feed = await client.get("/api/v1" + path)  # kein Authorization-Header
    assert feed.status_code == 200
    assert "text/calendar" in feed.headers["content-type"]
    assert feed.text.startswith("BEGIN:VCALENDAR")

    # Status jetzt aktiv
    st = await client.get("/api/v1/users/me/ical-token", headers=ical_headers)
    assert st.json()["enabled"] is True

    # Rotieren → altes Token wird ungültig
    old_path = path
    r2 = await client.post("/api/v1/users/me/ical-token", json={}, headers=ical_headers)
    new_path = r2.json()["url"].split("/api/v1", 1)[1]
    assert new_path != old_path
    assert (await client.get("/api/v1" + old_path)).status_code == 404
    assert (await client.get("/api/v1" + new_path)).status_code == 200

    # Deaktivieren → Feed weg
    d = await client.delete("/api/v1/users/me/ical-token", headers=ical_headers)
    assert d.status_code == 204
    assert (await client.get("/api/v1" + new_path)).status_code == 404
    st2 = await client.get("/api/v1/users/me/ical-token", headers=ical_headers)
    assert st2.json()["enabled"] is False


@pytest.mark.asyncio(loop_scope="session")
async def test_ical_feed_bad_token(client: AsyncClient):
    r = await client.get("/api/v1/absences/ical/nonexistenttoken.ics")
    assert r.status_code == 404