import pytest
from sqlalchemy.exc import IntegrityError

from backend.app.models import Artist, Source

pytestmark = pytest.mark.integration


@pytest.mark.asyncio
async def test_duplicate_artist_platform_url_rejected(db):
    artist = Artist(name="Alice", slug="alice")
    db.add(artist)
    await db.flush()
    db.add(Source(
        artist_id=artist.id, platform="patreon",
        url="https://patreon.com/alice", enabled=True,
    ))
    await db.flush()
    db.add(Source(
        artist_id=artist.id, platform="patreon",
        url="https://patreon.com/alice", enabled=True,
    ))
    with pytest.raises(IntegrityError):
        await db.flush()


@pytest.mark.asyncio
async def test_same_url_under_different_artist_ok(db):
    a = Artist(name="A", slug="a")
    b = Artist(name="B", slug="b")
    db.add_all([a, b])
    await db.flush()
    db.add(Source(artist_id=a.id, platform="patreon", url="https://x/y", enabled=True))
    db.add(Source(artist_id=b.id, platform="patreon", url="https://x/y", enabled=True))
    await db.flush()  # must NOT raise
