package com.sandu.common.log;

import cn.hutool.extra.servlet.ServletUtil;
import cn.hutool.http.useragent.UserAgent;
import cn.hutool.http.useragent.UserAgentInfo;
import cn.hutool.http.useragent.UserAgentUtil;
import com.sandu.common.security.SecurityUtils;
import com.sandu.common.service.impl.BaseServiceImpl;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;
import java.util.Optional;

/**
 * @author hupeng
 * @date 2018-11-24
 */
@Service
public class LogService extends BaseServiceImpl<LogDao, AccessLog> implements LogServiceImpl {

    @Override
    public void saveOperation(HttpServletRequest request, ProceedingJoinPoint joinPoint, AccessLog accessLog) {
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();
        Log aopLog = method.getAnnotation(Log.class);

        // 方法路径
        String methodName = joinPoint.getTarget().getClass().getName() + "." + signature.getName() + "()";

        StringBuilder params = new StringBuilder("{");
        //参数值
        Object[] argValues = joinPoint.getArgs();
        //参数名称
        String[] argNames = ((MethodSignature) joinPoint.getSignature()).getParameterNames();
        if (argValues != null) {
            for (int i = 0; i < argValues.length; i++) {
                params.append(" ").append(argNames[i]).append(": ").append(argValues[i]);
            }
        }
        accessLog.setDescription(aopLog.value());
        //类型 0-后台 1-前台
        accessLog.setType(aopLog.type());
        accessLog.setUid(SecurityUtils.getUserId());

        UserAgent userAgent = UserAgentUtil.parse(request.getHeader("User-Agent"));
        accessLog.setBrowser(Optional.ofNullable(userAgent).map(UserAgent::getBrowser).map(UserAgentInfo::getName).orElse(""));
        accessLog.setRequestIp(ServletUtil.getClientIP(request));

        accessLog.setMethod(methodName);
        accessLog.setUsername(SecurityUtils.getUsername());
        accessLog.setParams(params.toString() + " }");
        this.save(accessLog);
    }

}