package com.fdkankan.common.aop;

import com.alibaba.fastjson.JSON;
import com.fdkankan.common.constant.LogFormatConstant;
import java.util.Enumeration;
import javax.servlet.http.HttpServletRequest;
import lombok.extern.slf4j.Slf4j;
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.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;

@Component
@Aspect
@Slf4j
public class FeignInterceptor {

	// 切入点表达式
	@Pointcut("execution(* com.fdkankan.*.feign..*.*(..))")
	public void privilege() {
	}

	@Around("privilege()")
	public Object around(ProceedingJoinPoint pjp) throws Throwable {

		// 获取类名
		String className = pjp.getTarget().getClass().getName();
		// 获取执行的方法名称
		String methodName = pjp.getSignature().getName();
		// 获取参数名称
		String[] parameterNamesArgs = ((MethodSignature) pjp.getSignature()).getParameterNames();
		// 定义返回参数
		Object result = null;
		// 获取方法参数
		Object[] args = pjp.getArgs();
		StringBuilder params = new StringBuilder();
		for(int i = 0; i < parameterNamesArgs.length; i++){
			params.append(",").append(parameterNamesArgs[i]).append("=").append(args[i]);
		}
		log.info(LogFormatConstant.FEIGN_LOG_START, className, methodName, params.substring(1));
		// 执行目标方法
		result = pjp.proceed();

		log.info(LogFormatConstant.FEIGN_LOG_END, className, methodName, JSON.toJSONString(result));

		return result;
	}
}