package cn.allms.aspect;

import org.aspectj.lang.JoinPoint;
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.util.Arrays;

/**
 * @author josxy
 */
@Component
public class LogAspectOld {

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

    /**
     * 切点：cn.allms.controller
     */
    //@Pointcut("execution(* cn.allms.controller.*.*(..))")
    public void log() {
    }


    // @Before("log()")
    public void doBefore(JoinPoint joinPoint) {
        // 获取request对象
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        assert attributes != null;
        HttpServletRequest request = attributes.getRequest();
        // URL
        String url = request.getRequestURL().toString();
        // IP
        String ip = request.getRemoteAddr();
        // 方法全名 = 类名.方法名
        String classMethod = joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName();
        // 请求对象
        Object[] args = joinPoint.getArgs();
        RequestLog requestLog = new RequestLog(url, ip, classMethod, args);

        logger.info("Request : {}", requestLog);
    }

    //@After("log()")
    public void doAfter() {
//          logger.info("-------doafter-----------");
    }

    public void doAfterReturn(Object result) {
        logger.info("控制器方法名称Result : {}", result);
    }

    /**
     * 内部类:用于存放请求信息,用日志的方式将其记录下来
     */
    private class RequestLog {
        /**
         * 请求地址
         */
        private String url;
        /**
         * 请求ip
         */
        private String ip;
        /**
         * 请求方法
         */
        private String classMethod;
        /**
         * 请求参数集合
         */
        private Object[] args;

        public RequestLog(String url, String ip, String classMethod, Object[] args) {
            this.url = url;
            this.ip = ip;
            this.classMethod = classMethod;
            this.args = args;
        }

        @Override
        public String toString() {
            return "RequestLog{" +
                    "url='" + url + '\'' +
                    ", ip='" + ip + '\'' +
                    ", classMethod='" + classMethod + '\'' +
                    ", args=" + Arrays.toString(args) +
                    '}';
        }
    }


}