package com.baiyue.common.audit;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.client.RestClient;

/**
 * HTTP 审计输出实现，将结构化业务审计事件发送到独立审计服务。
 */
public class HttpAuditSink implements AuditSink {
    public static final String INTERNAL_SERVICE_TOKEN_HEADER = "X-Internal-Service-Token";
    private static final Logger auditLog = LoggerFactory.getLogger("BAIYUE_AUDIT");
    private final RestClient client;
    private final String endpoint;
    private final String internalServiceToken;

    public HttpAuditSink(RestClient.Builder builder, String endpoint, String internalServiceToken) {
        this.client = builder.build();
        this.endpoint = endpoint;
        this.internalServiceToken = internalServiceToken;
    }

    @Override
    public void publish(AuditEvent event) {
        try {
            client.post()
                .uri(endpoint)
                .header(INTERNAL_SERVICE_TOKEN_HEADER, internalServiceToken)
                .body(event)
                .retrieve()
                .toBodilessEntity();
        }
        catch (RuntimeException ex) {
            auditLog.warn("deliveryFailed errorType={} errorMessage={} audit={}",
                ex.getClass().getSimpleName(), ex.getMessage(), event);
        }
    }
}