from httpx import AsyncClient


async def test_discovery_endpoint_returns_metadata(client: AsyncClient) -> None:
    res = await client.get("/.well-known/openid-configuration")
    assert res.status_code == 200
    data = res.json()
    assert data["issuer"] == "http://localhost:8000"
    assert "authorization_endpoint" in data
    assert "token_endpoint" in data
    assert "userinfo_endpoint" in data
    assert "jwks_uri" in data


async def test_discovery_response_types_supported(client: AsyncClient) -> None:
    res = await client.get("/.well-known/openid-configuration")
    data = res.json()
    assert "code" in data["response_types_supported"]


async def test_discovery_scopes_supported(client: AsyncClient) -> None:
    res = await client.get("/.well-known/openid-configuration")
    data = res.json()
    assert "openid" in data["scopes_supported"]


async def test_jwks_endpoint_returns_keys(client: AsyncClient) -> None:
    res = await client.get("/jwks")
    assert res.status_code == 200
    data = res.json()
    assert "keys" in data
    assert len(data["keys"]) > 0
    for key in data["keys"]:
        assert "kty" in key