package com.baiyue.common.audit;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.web.client.RestClient;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.support.TransactionTemplate;

/**
 * 业务审计自动配置，按配置创建脱敏器、审计输出端和审计切面。
 */
@AutoConfiguration
@EnableConfigurationProperties(AuditProperties.class)
@ConditionalOnProperty(prefix = "baiyue.audit", name = "enabled", havingValue = "true", matchIfMissing = true)
public class BaiyueAuditAutoConfiguration {
    @Bean
    @ConditionalOnMissingBean
    AuditSink auditSink(RestClient.Builder builder, AuditProperties p, ObjectMapper mapper,
                        ObjectProvider<AuditOutboxRepository> outbox,
                        ObjectProvider<PlatformTransactionManager> transactionManagers,
                        @Value("${baiyue.security.internal-service-token:}") String internalServiceToken) {
        AuditOutboxRepository repository = outbox.getIfAvailable();
        PlatformTransactionManager transactionManager = transactionManagers.getIfAvailable();
        if (p.getOutbox().isEnabled() && p.getOutbox().isPublisherEnabled()
                && repository != null && transactionManager != null) {
            TransactionTemplate transactions = new TransactionTemplate(transactionManager);
            transactions.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
            return new OutboxAuditSink(repository, mapper, transactions);
        }
        return p.getEndpoint() == null || p.getEndpoint().isBlank()
                ? new LoggingAuditSink()
                : new HttpAuditSink(builder, p.getEndpoint(), internalServiceToken);
    }
    @Bean
    @ConditionalOnBean(JdbcTemplate.class)
    @ConditionalOnProperty(prefix = "baiyue.audit.outbox", name = "enabled", havingValue = "true")
    AuditOutboxRepository auditOutboxRepository() { return new AuditOutboxRepository(); }

    @Bean SensitiveDataSanitizer sensitiveDataSanitizer(ObjectMapper mapper, AuditProperties p) { return new SensitiveDataSanitizer(mapper, p.getMaxPayloadLength()); }
    @Bean BusinessAuditAspect businessAuditAspect() { return new BusinessAuditAspect(); }
}