package intent

// ResolveEffectiveIntent 灰度期解析有效路由意图（intent_v2_decision 开启且档位允许时使用 V2 帧）
func ResolveEffectiveIntent(res *IntentRecognitionResult) IntentType {
	if res == nil || res.TopIntent == nil {
		return IntentCasualChat
	}
	flags := CurrentFeatureFlags()
	if !flags.IntentV2Decision || res.IntentFrameV2 == nil {
		return res.TopIntent.Intent
	}
	if res.V2Shadow != nil && !res.V2Shadow.DecisionEligible {
		return res.TopIntent.Intent
	}
	v2Intent := res.IntentFrameV2.LegacyIntent
	if v2Intent == "" {
		v2Intent = LegacyIntentFromFrame(res.IntentFrameV2)
	}
	if v2Intent == "" {
		return res.TopIntent.Intent
	}
	return v2Intent
}

// RankedFrameConflictRequiresClarification L2 二次门禁：RankedFrames 存在写/读冲突时强制澄清
func RankedFrameConflictRequiresClarification(res *IntentRecognitionResult) bool {
	if res == nil || res.RankedFrames == nil {
		return false
	}
	flags := CurrentFeatureFlags()
	if !flags.IntentV2Decision {
		return false
	}
	for _, c := range res.RankedFrames.Conflicts {
		if c.Kind == "write_vs_query" {
			return true
		}
	}
	return false
}