package com.yupaits.docs.aop;

import com.yupaits.docs.common.result.Result;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;

/**
 * Web日志切面
 * Created by ts495 on 2017/9/9.
 */
@Aspect
@Component
public class WebLogAspect {

    private Logger logger = LoggerFactory.getLogger(getClass());

    private ThreadLocal<Long> startTime = new ThreadLocal<>();

    @Pointcut("execution(public * com.yupaits.docs.controller..*.*(..))")
    public void webLog() {}

    @Before("webLog()")
    public void doBefore(JoinPoint joinPoint) {
        startTime.set(System.currentTimeMillis());

        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        logger.info("HTTP_METHOD: {}, URL: {}, IP: {}, CLASS_METHOD: {}, ARGS: {}", request.getMethod(),
                request.getRequestURL().toString(), request.getRemoteAddr(),
                joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName(),
                Arrays.toString(joinPoint.getArgs()));
    }

    @AfterReturning(returning = "result", pointcut = "webLog()")
    public void doAfterReturning(Result result) {
        logger.info("SPEND TIME: {}ms, RESULT: {}", (System.currentTimeMillis() - startTime.get()), result);
        startTime.remove();
    }

}