import asyncio

from app.models import CheckStatus, MonitorCreate, MonitorUpdate
from app.store import MonitorStore


async def test_concurrent_creates_are_not_lost():
    store = MonitorStore()
    await asyncio.gather(*[
        store.create(MonitorCreate(name=f"m-{index}", url="https://example.com"))
        for index in range(100)
    ])
    items = await store.list()
    assert len(items) == 100
    assert len({item.id for item in items}) == 100


async def test_stale_check_cannot_overwrite_updated_monitor():
    store = MonitorStore()
    item = await store.create(MonitorCreate(name="before", url="https://example.com"))
    old = await store.snapshot(item.id)
    assert old is not None
    await store.update(item.id, MonitorUpdate(name="after"))
    applied = await store.apply_status(item.id, old.revision, CheckStatus(state="up"))
    assert applied is False
    current = await store.snapshot(item.id)
    assert current is not None
    assert current.monitor.name == "after"
    assert current.monitor.status.state == "unknown"


async def test_delete_wins_over_in_flight_check():
    store = MonitorStore()
    item = await store.create(MonitorCreate(name="x", url="https://example.com"))
    snapshot = await store.snapshot(item.id)
    assert snapshot is not None
    await store.delete(item.id)
    assert await store.apply_status(item.id, snapshot.revision, CheckStatus(state="up")) is False