package com.vincent.rsf.httpaudit.service;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.vincent.rsf.httpaudit.entity.HttpAuditLog;
import com.vincent.rsf.httpaudit.mapper.HttpAuditLogMapper;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * 异步落库；失败时打全量日志，不向业务抛错
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class HttpAuditAsyncRecorder {

    private final HttpAuditLogMapper httpAuditLogMapper;
    private final ObjectMapper objectMapper = new ObjectMapper();

    @Async("httpAuditExecutor")
    public void save(HttpAuditLog entity) {
        try {
            httpAuditLogMapper.insert(entity);
        } catch (Throwable t) {
            try {
                Map<String, Object> dump = new LinkedHashMap<>();
                dump.put("serviceName", entity.getServiceName());
                dump.put("scopeType", entity.getScopeType());
                dump.put("uri", entity.getUri());
                dump.put("method", entity.getMethod());
                dump.put("functionDesc", entity.getFunctionDesc());
                dump.put("queryString", entity.getQueryString());
                dump.put("requestBody", entity.getRequestBody());
                dump.put("responseBody", entity.getResponseBody());
                dump.put("httpStatus", entity.getHttpStatus());
                dump.put("okFlag", entity.getOkFlag());
                dump.put("spendMs", entity.getSpendMs());
                dump.put("clientIp", entity.getClientIp());
                dump.put("errorMessage", entity.getErrorMessage());
                String json = objectMapper.writeValueAsString(dump);
                log.error("http-audit 落库失败，全量JSON如下：{}", json, t);
            } catch (JsonProcessingException je) {
                log.error("http-audit 落库失败且序列化审计内容失败，requestBody.length={}, responseBody.length={}",
                        entity.getRequestBody() == null ? -1 : entity.getRequestBody().length(),
                        entity.getResponseBody() == null ? -1 : entity.getResponseBody().length(),
                        t);
                log.error("序列化异常", je);
            }
        }
    }
}