package jnpf.audit.sdk;

import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;

/**
 * SDK 装配自检探针。存在两重价值：
 * 1) 它本身就是「宿主必须用 ObjectProvider 注入」的示范——audit.enabled=false 时
 *    AuditSdkAutoConfiguration 整套 Bean 缺席（不是 no-op），普通 @Autowired 会让宿主起不来；
 * 2) 给出可断言的启动产物（tasks/audit-m2-startup-check.sh 双态断言此行）。
 *
 * 用 warn 级：平台 logger.yaml 强制 root:ERROR，业务服务内 info 埋点会被压制。
 */
public class AuditSdkProbe implements ApplicationRunner {

    private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(AuditSdkProbe.class);

    private final ObjectProvider<AuditClient> auditClient;
    private final String appName;

    public AuditSdkProbe(ObjectProvider<AuditClient> auditClient, String appName) {
        this.auditClient = auditClient;
        this.appName = appName;
    }

    @Override
    public void run(ApplicationArguments args) {
        log.warn("[AUDIT-SDK] app={} present={}", appName, auditClient.getIfAvailable() != null);
    }
}