package com.nsi.components.login;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.nsi.constants.AppConstants;
import com.nsi.control.event.NsiEvent;
import com.nsi.control.exceptions.NsiEventException;
import com.nsi.control.web.ModelManager;
import com.nsi.control.web.handles.ReqHandler;
import com.nsi.control.web.util.AuthUtil;
import com.nsi.util.ValHelper;

/**
 * @author Chris Ye, created on Oct 7, 2008
 *
 * LoginReqHandler
 */
public class LoginReqHandler implements ReqHandler
{
	private static Log log = LogFactory.getLog(LoginReqHandler.class);
	/**
	 * @see com.nsi.control.web.handles.ReqHandler#processRequest(javax.servlet.http.HttpServletRequest)
	 */
	public NsiEvent processRequest(HttpServletRequest request,HttpServletResponse response) throws NsiEventException
	{
		String loginuserid = request.getParameter("login_id");
		loginuserid=loginuserid.toLowerCase();
		String pwd = request.getParameter("pwd");
		LoginUser loginuser = AuthUtil.getInstance().searchUserId(loginuserid);
		log.debug("processRequest() -- loginuser[" + loginuser+ "]");
		String resourceid = loginuser.getResourceid();
		
		if(ValHelper.getInstance().isNotNullAndEmpty(loginuser.getUserid())){   
			// L is local database user.
				if("L".equals(loginuser.getUsertype())){	
				LoginUser login = AuthUtil.getInstance().autheticate(loginuserid, pwd);	
				if(ValHelper.getInstance().isNotNullAndEmpty(login.getUserid())){
					login.setDeptrolemap(AuthUtil.getInstance().getDeptrolemap(resourceid));
					login.setProjrolemap(AuthUtil.getInstance().getProjrolemap(resourceid));
				ModelManager mm = (ModelManager)request.getSession().getAttribute(AppConstants.ModelManagerKey);
				mm.setLoginuser(login);
				}
			   }
			    // E is export user,that need domain autheticate.
				else if("E".equals(loginuser.getUsertype())){
					if(AuthUtil.getInstance().domainAutheticate(loginuserid, pwd)==true){						
						loginuser.setDeptrolemap(AuthUtil.getInstance().getDeptrolemap(resourceid));
						loginuser.setProjrolemap(AuthUtil.getInstance().getProjrolemap(resourceid));
						ModelManager mm = (ModelManager)request.getSession().getAttribute(AppConstants.ModelManagerKey);
						mm.setLoginuser(loginuser);
					}					
					
				}
				
		}
		else{
			if(AuthUtil.getInstance().domainAutheticate(loginuserid, pwd)==true){
				try {
					AuthUtil.getInstance().createUser(loginuserid);
				} catch (Exception e) {
					e.printStackTrace();
				}
				
				LoginUser user = AuthUtil.getInstance().searchUserId(loginuserid);
				if(ValHelper.getInstance().isNotNullAndEmpty(user.getUserid())){
					String resourceID = user.getResourceid();
					user.setDeptrolemap(AuthUtil.getInstance().getDeptrolemap(resourceID));
					user.setProjrolemap(AuthUtil.getInstance().getProjrolemap(resourceID));
					ModelManager mm = (ModelManager)request.getSession().getAttribute(AppConstants.ModelManagerKey);
					mm.setLoginuser(user);
				}
			}
		}		
		return new LoginEvent();
	}
	 

}