package com.basic.x01.system.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.basic.x01.base.BaseController;
import com.basic.x01.systemMenu.MenuItem;
import com.basic.x01.systemMenu.MenuUtil;

/**
 * 统一的错误处理
 * 
 * @company 北京贝思科技术有限公司
 * @author liuyajun, 8384503@qq.com
 * @date 2016年1月12日
 * @time 下午11:27:12
 */
@Controller
public class FrameError extends BaseController{
	public static final String FRAME_ERR = "FRAME-ERROR-STRING-MSG";
	
	@RequestMapping("/error")
	public String error(HttpServletResponse res){
		
		HttpServletRequest req = this.getRequest();
		String errorMsg = (String)req.getAttribute(FRAME_ERR);
		
		String httpCode = this.getRequest().getParameter("httpCode");
		if("404".equals(httpCode)){
			errorMsg = "未找到页面";
		}

		if(errorMsg ==null || errorMsg.trim().length()==0){
			try{
				Throwable exception = (Throwable) req.getAttribute(
						"javax.servlet.error.exception");
				errorMsg = exception.getMessage();
				if(errorMsg==null || errorMsg.trim().length()==0){
					errorMsg = exception.toString();
				}
			}catch(Throwable t){
				
			}
		}
		
		if(errorMsg ==null || errorMsg.trim().length()==0){
			errorMsg = "系统暂时发生一点错误，请稍后再试";
		}
		
		req.setAttribute("errorMsg", errorMsg);

		res.setStatus(200);	//作为正常处理
		
		if(this.getLoingedUser() ==null){
			//未登录
			return "forward:/frame-jsp/unlogined-error.jsp";
		}else{
			//已登录
			return loginedError(httpCode);
		}
	}
	
	public String loginedError(String httpCode){
		if("404".equals(httpCode)) {
			String actionId = (String)this.getRequest().getAttribute(
					"currentRequestActionId");
			if(actionId !=null){
				MenuItem menu = MenuUtil.getMenuItemByActionId(actionId);
				if(menu !=null){
					return "forward:/frame-jsp/logined-unfinish.jsp";
				}
			}
			return "forward:/frame-jsp/logined-404.jsp";
		}

		return "forward:/frame-jsp/logined-error.jsp";
	}
}