package com.joju.datamanager.common.elegancelog;

import cn.hutool.json.JSONUtil;
import com.joju.datamanager.common.annotation.EleganceLog;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
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.lang.reflect.Method;

/**
 * Created with IntelliJ IDEA.
 *
 * @author： Mr.zs
 * @date： 2023/12/27
 * @description：
 * @modifiedBy：
 * @version: 1.0
 */

@Aspect
@Component
public class EleganceLogAspect {


    private final static Logger logger = LoggerFactory.getLogger(EleganceLogAspect.class);
    /**
     * 换行符
     */
    private static final String LINE_SEPARATOR = System.lineSeparator();

    /**
     * 以自定义 @WebLog 注解为切点
     */
    @Pointcut("@annotation(com.joju.datamanager.common.annotation.EleganceLog)")
    public void EleganceLog() {
    }

    /**
     * 在切点之前织入
     *
     * @param joinPoint
     * @throws Throwable
     */
    @Before("EleganceLog()")
    public void doBefore(JoinPoint joinPoint) throws Throwable {
        // 开始打印请求日志
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        // 获取 @WebLog 注解的描述信息
        String methodDescription = getAspectLogDescription(joinPoint);

        // 打印请求相关参数
        logger.info("========================================== Start ==========================================");
        // 打印请求 url
        logger.info("URL            : {}", request.getRequestURL().toString());
        // 打印描述信息
        logger.info("Description    : {}", methodDescription);
        // 打印 Http method
        logger.info("HTTP Method    : {}", request.getMethod());
        // 打印调用 controller 的全路径以及执行方法
        logger.info("Class Method   : {}.{}", joinPoint.getSignature().getDeclaringTypeName(), joinPoint.getSignature().getName());
        // 打印请求的 IP
        logger.info("IP             : {}", request.getRemoteAddr());
        // 打印请求入参
        if (methodDescription.equals("loginUserInfo") || methodDescription.equals("quitUserInfo")) {

        } else {

            logger.info("Request Args   : {}", JSONUtil.toJsonStr(joinPoint.getArgs()));
        }
    }


    /**
     * 环绕
     *
     * @param proceedingJoinPoint
     * @return
     * @throws Throwable
     */
    @Around("EleganceLog()")
    public Object doAround(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        long startTime = System.currentTimeMillis();
        Object result = proceedingJoinPoint.proceed();
        // 打印出参

        logger.info("Response Args  : {}", JSONUtil.toJsonStr(result));
        // 执行耗时
        logger.info("Time-Consuming : {} ms", System.currentTimeMillis() - startTime);
        logger.info("=========================================== End ===========================================" + LINE_SEPARATOR);


        return result;
    }

    /**
     * 在切点之后织入
     *
     * @throws Throwable
     */
//    @After("EleganceLog()")
//    public void doAfter() throws Throwable {
//        // 接口结束后换行，方便分割查看
//        logger.info("=========================================== End ===========================================" + LINE_SEPARATOR);
//    }
//    @AfterReturning("EleganceLog()")
//    public void afterRunning() throws Throwable {
//        // 接口结束后换行，方便分割查看
//        logger.info("=========================================== End ===========================================" + LINE_SEPARATOR);
//    }
    @AfterThrowing("EleganceLog()")
    public void afterThrowing() {
//        System.out.println("异常出现之后...afterThrowing");
        logger.info("=========================================== Exception Start===========================================" + LINE_SEPARATOR);

    }

    /**
     * 获取切面注解的描述
     *
     * @param joinPoint 切点
     * @return 描述信息
     * @throws Exception
     */
    public String getAspectLogDescription(JoinPoint joinPoint)
            throws Exception {
        String targetName = joinPoint.getTarget().getClass().getName();
        String methodName = joinPoint.getSignature().getName();
        Object[] arguments = joinPoint.getArgs();
        Class targetClass = Class.forName(targetName);
        Method[] methods = targetClass.getMethods();
        StringBuilder description = new StringBuilder("");
        for (Method method : methods) {
            if (method.getName().equals(methodName)) {
                Class[] clazzs = method.getParameterTypes();
                if (clazzs.length == arguments.length) {
                    description.append(method.getAnnotation(EleganceLog.class).description());
                    break;
                }
            }
        }
        return description.toString();
    }
}
