package service

import (
	"encoding/json"

	"affiliate_dash/internal/model"

	"gorm.io/gorm"
)

func writeAudit(tx *gorm.DB, merchantID, actorUserID, apiClientID *uint, action, entityType, entityID string, metadata interface{}) error {
	raw := ""
	if metadata != nil {
		if bytes, err := json.Marshal(metadata); err == nil {
			raw = string(bytes)
		}
	}
	return tx.Create(&model.AuditLog{
		MerchantID:  merchantID,
		ActorUserID: actorUserID,
		APIClientID: apiClientID,
		Action:      action,
		EntityType:  entityType,
		EntityID:    entityID,
		Metadata:    raw,
	}).Error
}