from .domain.models import Document, IngestionRequest

def validate_request(request: IngestionRequest) -> list[str]:
    errors = []
    if not request.source.repository.strip(): errors.append("repository is required")
    if not request.source.path.strip(): errors.append("path is required")
    if request.destination not in {"sharepoint"}: errors.append("unsupported destination")
    return errors

def validate_document(document: Document) -> list[str]:
    return [] if document.content.strip() else ["document content is empty"]