package cn.besteam.common.aspect;

import cn.besteam.common.aspect.annotation.AutoLog;
import cn.besteam.common.util.IPUtils;
import cn.besteam.common.util.SpringContextUtils;
import cn.besteam.modules.shiro.authc.util.EnvUtils;
import cn.besteam.modules.system.entity.SysLog;
import cn.besteam.modules.system.entity.SysUser;
import cn.besteam.modules.system.service.ISysLogService;
import com.alibaba.fastjson.JSONObject;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

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

/**
 * 系统日志，切面处理类
 *
 * @author scott
 * @email jeecgos@163.com
 * @date 2018年1月14日
 */
@Aspect
@Component
public class AutoLogAspect {

    @Autowired
    private ISysLogService sysLogService;

    @Pointcut("@annotation(cn.besteam.common.aspect.annotation.AutoLog)")
    public void logPointCut() {

    }

    @Around("logPointCut()")
    public Object around(ProceedingJoinPoint point) throws Throwable {

        long beginTime = System.currentTimeMillis();
        //执行方法
        Object result = point.proceed();
        //执行时长(毫秒)
        long time = System.currentTimeMillis() - beginTime;
        //保存日志
        saveSysLog(point, time);
        return result;
    }

    private void saveSysLog(ProceedingJoinPoint joinPoint, long time) {

        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();
        SysLog sysLog = new SysLog();
        AutoLog syslog = method.getAnnotation(AutoLog.class);
        if (syslog != null) {
            //注解上的描述,操作日志内容
            sysLog.setLogContent(syslog.value());
            sysLog.setLogType(syslog.logType());
        }
        //请求的方法名
        String className = joinPoint.getTarget().getClass().getName();
        String methodName = signature.getName();
        sysLog.setMethod(className + "." + methodName + "()");
        //请求的参数
        Object[] args = joinPoint.getArgs();
        try {
            String params = JSONObject.toJSONString(args);
            sysLog.setRequestParam(params);
        } catch (Exception e) {
        }
        //获取request
        HttpServletRequest request = SpringContextUtils.getHttpServletRequest();
        //设置IP地址
        sysLog.setIp(IPUtils.getIpAddr(request));
        //获取登录用户信息
        SysUser user = EnvUtils.getUser();
        if (user != null) {
            sysLog.setUserid(user.getId().toString());
            sysLog.setUsername(user.getName());
        }
        //耗时
        sysLog.setCostTime(time);
        sysLog.setCreateTime(new Date());
        //保存系统日志
        sysLogService.save(sysLog);
    }

}