from datetime import datetime

from app.db import universe_audit


def test_universe_reason_ttl_tiers():
    now = datetime(2026, 5, 25, 12, 0, 0)

    assert universe_audit.reason_type_for("stablecoin") == "static"
    assert universe_audit.reason_type_for("stale_ticker") == "transient"
    assert universe_audit.reason_type_for("low_turnover") == "dynamic"

    static_expiry = datetime.fromisoformat(universe_audit.expires_at_for("static", now))
    transient_expiry = datetime.fromisoformat(universe_audit.expires_at_for("transient", now))
    dynamic_expiry = datetime.fromisoformat(universe_audit.expires_at_for("dynamic", now))

    assert (static_expiry - now).days == 90
    assert int((transient_expiry - now).total_seconds()) == 3600
    assert int((dynamic_expiry - now).total_seconds()) == 21600