import asyncio
import pytest


@pytest.mark.asyncio
async def test_inmemory_cache_miss():
    from axon.services.cache import InMemoryCache
    cache = InMemoryCache()
    assert await cache.get("missing") is None


@pytest.mark.asyncio
async def test_inmemory_cache_set_and_get():
    from axon.services.cache import InMemoryCache
    cache = InMemoryCache()
    await cache.set("k", "v", ttl=60)
    assert await cache.get("k") == "v"


@pytest.mark.asyncio
async def test_inmemory_cache_expiry():
    from axon.services.cache import InMemoryCache
    cache = InMemoryCache()
    await cache.set("k", "v", ttl=0)
    # Force expiry by backdating
    key = list(cache._store.keys())[0]
    value, expires_at = cache._store[key]
    from datetime import UTC, datetime, timedelta
    cache._store[key] = (value, datetime.now(UTC) - timedelta(seconds=1))
    assert await cache.get("k") is None


@pytest.mark.asyncio
async def test_inmemory_cache_ping():
    from axon.services.cache import InMemoryCache
    cache = InMemoryCache()
    assert await cache.ping() is True


def test_make_cache_key_is_deterministic():
    from axon.services.cache import make_cache_key
    k1 = make_cache_key("search", query="hello", max_results=10)
    k2 = make_cache_key("search", query="hello", max_results=10)
    assert k1 == k2


def test_make_cache_key_differs_by_params():
    from axon.services.cache import make_cache_key
    k1 = make_cache_key("search", query="hello")
    k2 = make_cache_key("search", query="world")
    assert k1 != k2


def test_make_cache_key_has_prefix():
    from axon.services.cache import make_cache_key
    k = make_cache_key("extract", url="https://x.com")
    assert k.startswith("extract:")