from .shadow_classifier import ShadowClassifier, Classification, ShadowEvalResult
from .preboot_logger import PrebootLogger

classifier = ShadowClassifier()


def layer0_entry(query: str) -> tuple[str, ShadowEvalResult]:
    """
    Main entrypoint called before Layer 1 (Doctrine Load).
    Returns the routing action and the full evaluation result.
    """
    result = classifier.classify(query)

    if result.classification in (Classification.CATASTROPHIC, Classification.FORBIDDEN):
        PrebootLogger.log(result, query)

    return result.to_routing_action(), result