/*
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 *
 */
package cn.vlabs.umt.ui.tags;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

import cn.vlabs.umt.common.util.CommonUtils;
import cn.vlabs.umt.domain.UMTLog;
import cn.vlabs.umt.services.account.IAccountService;
import cn.vlabs.umt.services.session.SessionUtils;
import cn.vlabs.umt.services.user.UserService;
import cn.vlabs.umt.services.user.bean.LoginNameInfo;
import cn.vlabs.umt.services.user.bean.User;
import cn.vlabs.umt.services.user.service.IAppAccessService;
import cn.vlabs.umt.services.user.service.IUserLoginNameService;
import cn.vlabs.umt.services.user.utils.ServiceFactory;
import cn.vlabs.umt.ui.Attributes;
import cn.vlabs.umt.ui.UMTContext;

/**
 * 刷新session里的用户信息，也就是去数据库查一遍
 * @author lvly
 * @since 2013-02-04
 * */
public class RefreshUserTag extends TagSupport {
	public int doStartTag() throws JspException {
		HttpServletRequest request=(HttpServletRequest)pageContext.getRequest();
		int uid=SessionUtils.getUserId(request);
		User user=getUserService(request).getUserByUid(uid);
		if(user!=null){
			UMTContext.getLoginInfo(request.getSession()).setUser(user);
			SessionUtils.setSessionVar(request,Attributes.USER_TEMP_SECURITY_EMAIL, getUserService(request).getTempSecurityEmail(user.getId()));
			SessionUtils.setSessionVar(request,Attributes.IS_USER_LOGIN_ACTIVE, getUserService(request).isActivePrimaryEmail(user.getCstnetId()));
			IUserLoginNameService loginNameService=ServiceFactory.getLoginNameService(request);
			LoginNameInfo primary=CommonUtils.first(loginNameService.getLoginNameInfo(uid, LoginNameInfo.LOGINNAME_TYPE_PRIMARY));
			SessionUtils.setSessionVar(request, Attributes.USER_PRIMARY_EMAIL,primary);
			List<LoginNameInfo> secondaryEmails=loginNameService.getLoginNameInfo(uid, LoginNameInfo.LOGINNAME_TYPE_SECONDARY);
			SessionUtils.setSessionVar(request, Attributes.USER_SECONDARY_EMAIL,secondaryEmails);
			LoginNameInfo ldapName=CommonUtils.first(loginNameService.getLoginNameInfo(uid, LoginNameInfo.LOGINNAME_TYPE_LDAP));
			SessionUtils.setSessionVar(request,Attributes.USER_LDAP_NAME,ldapName);
			SessionUtils.setSessionVar(request, Attributes.MY_APP_LIST, getAccessService(request).getMyAppAccesses(user.getId()));
			request.setAttribute("canUseLoginName", canUsedLoginName(primary,secondaryEmails,ldapName));
			//the last login log
			UMTLog last=getAccountService(request).getLastLogByEventType(uid,UMTLog.EVENT_TYPE_LOG_IN);
			request.setAttribute("lastLog",last);
			request.setAttribute("warnLog", getWarnLog(uid, request));
		}
		return EVAL_BODY_INCLUDE;
	}
	private UMTLog getWarnLog(int uid,HttpServletRequest request){
		List<UMTLog> logs=getAccountService(request).getTopTenLogByEventType(uid, UMTLog.EVENT_TYPE_LOG_IN);
		if(CommonUtils.isNull(logs)){
			return null;
		}
		for(UMTLog log:logs){
			if(log.isSendWarnEmail()){
				return log;
			}
		}
		return null;
		
		
	}
	private List<LoginNameInfo> canUsedLoginName(LoginNameInfo primary,List<LoginNameInfo> nameInfo,LoginNameInfo ldapName){
		List<LoginNameInfo> lnis=new ArrayList<LoginNameInfo>();
		if(primary!=null){
			lnis.add(primary);
		}
		if(!CommonUtils.isNull(nameInfo)){
			for(LoginNameInfo n:nameInfo){
				if(n.getStatus().equals(LoginNameInfo.STATUS_ACTIVE)){
					lnis.add(n);
				}
			}
		}
		if(ldapName!=null){
			lnis.add(ldapName);
		}
		if(lnis.size()==0){
			return null;
		}
		return lnis;
	}
	private IAccountService getAccountService(HttpServletRequest request){
		return ServiceFactory.getAccountService(request);
	}
	private IAppAccessService getAccessService(HttpServletRequest request){
		return ServiceFactory.getAppAccessService(request);
	}
	private UserService getUserService(HttpServletRequest request){
		return ServiceFactory.getUserService(request);
	}
	private static final long serialVersionUID = 145678765434567L;
}