package com.jtgh.yjpt.common;

import java.lang.reflect.Method;
import java.util.Date;

import javax.servlet.http.HttpSession;

import org.apache.commons.lang.StringUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.jtgh.yjpt.anon.Log;
import com.jtgh.yjpt.entity.common.LogEntity;
import com.jtgh.yjpt.entity.sys.MenuEntity;
import com.jtgh.yjpt.service.common.LogService;
import com.jtgh.yjpt.service.sys.MenuService;

@Aspect
public class LogAop {

	@AfterReturning(pointcut = "execution(* com.jtgh.yjpt.controller..*.*(..))")
	public void doLogAfterReturn(JoinPoint jp) {
		Class<?> c = jp.getTarget().getClass();
		Method m = ((MethodSignature) jp.getSignature()).getMethod();
		if (m.isAnnotationPresent(Log.class)) {
			doLog(c, m, jp.getArgs(), Utils.getSession(), true);
		}
	}

	@AfterThrowing(pointcut = "execution(* com.jtgh.yjpt.controller..*.*(..))")
	public void doLogAfterThrow(JoinPoint jp) {
		Class<?> c = jp.getTarget().getClass();
		Method m = ((MethodSignature) jp.getSignature()).getMethod();
		if (m.isAnnotationPresent(Log.class)) {
			doLog(c, m, jp.getArgs(), Utils.getSession(), false);
		}
	}

	/**
	 * 记录LOG
	 * 
	 * @param controller
	 * @param funcName
	 * @param result
	 */
	private void doLog(Class<?> c, Method m, Object[] args,
			HttpSession session, boolean result) {
		if (session == null
				|| session.getAttribute(GlobalData.USER_SESSION_KEY) == null) {
			return;
		}
		LogService logService = WebApplicationContextUtils
				.getWebApplicationContext(session.getServletContext()).getBean(
						LogService.class);
		MenuService menuService = WebApplicationContextUtils
				.getWebApplicationContext(session.getServletContext()).getBean(
						MenuService.class);
		LogEntity log = new LogEntity();
		if (c.isAnnotationPresent(Log.class)) {
			Log ca = c.getAnnotation(Log.class);
			Log ma = m.getAnnotation(Log.class);
			String menuCode = ca.menuCode();
			if (Utils.getCurrentUser() != null
					&& Constants.NO.equals(Utils.getCurrentUser().getSfjyr())) {
				if (!StringUtils.isEmpty(ma.menuCode()))
					menuCode = ma.menuCode();
			} else {
				if (!StringUtils.isEmpty(ca.menuCodeJyr()))
					menuCode = ca.menuCodeJyr();
				if (!StringUtils.isEmpty(ma.menuCodeJyr()))
					menuCode = ma.menuCodeJyr();
			}
			MenuEntity menu = menuService.findByCode(menuCode);
			log.setMenu(menu);
		}
		log.setLogUser(Utils.getCurrentUser());
		log.setSessionId(session.getId());
		Integer step = (Integer) session
				.getAttribute(GlobalData.USER_SESSION_STEP);
		if (step == null) {
			step = 1;
		}
		session.setAttribute(GlobalData.USER_SESSION_STEP, step + 1);
		log.setStep(step);
		log.setLogTime(new Date());
		log.setLogMethod(m.getAnnotation(Log.class).value().name());
		if (Log.Type.QLYG_VIEW.name().equals(log.getLogMethod())) {
			if (args != null && args.length > 0) {
				String businessId = args[0].toString();
				log.setBusinessId(businessId);
			}
		}
		log.setLogResult(result ? Constants.LOG_RESULT_SUCCESS
				: Constants.LOG_RESULT_FAIL);
		log.setAddDate(new Date());
		log.setAddUser(Utils.getCurrentUser());
		logService.save(log);
	}
}