package com.baiyue.common.audit;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.transaction.support.TransactionOperations;

/** 将审计事件先持久化到业务库 Outbox，核心业务不等待 MQ。 */
public class OutboxAuditSink implements AuditSink {
    private static final Logger log = LoggerFactory.getLogger(OutboxAuditSink.class);
    private final AuditOutboxRepository repository;
    private final ObjectMapper json;
    private final TransactionOperations transactions;

    public OutboxAuditSink(AuditOutboxRepository repository, ObjectMapper json,
                           TransactionOperations transactions) {
        this.repository = repository;
        this.json = json;
        this.transactions = transactions;
    }

    @Override
    public void publish(AuditEvent event) {
        try {
            String payload = json.writeValueAsString(event);
            transactions.executeWithoutResult(status -> repository.append(event, payload));
        } catch (JsonProcessingException | RuntimeException exception) {
            log.error("审计事件写入本地 Outbox 失败 eventId={} eventType={}",
                event.eventId(), event.eventType(), exception);
        }
    }
}