from dataclasses import dataclass

from .kab_ingestion.domain.models import SourceDocument


@dataclass(frozen=True)
class GovernanceDecision:
    approved: bool
    reason: str


def review(document: SourceDocument, require_approval: bool = True) -> GovernanceDecision:
    if not document.title.strip() or not document.body.strip():
        return GovernanceDecision(False, "title and body are required")
    if require_approval and document.metadata.get("governance_approved") is not True:
        return GovernanceDecision(False, "governance approval is required")
    return GovernanceDecision(True, "document passed governance")