/**
    * Copyright 2005-2016 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 org.kuali.rice.ken.web.spring;
  
  import org.apache.log4j.Logger;
  import org.kuali.rice.ken.bo.NotificationBo;
  import org.kuali.rice.ken.bo.NotificationContentTypeBo;
  import org.kuali.rice.ken.exception.ErrorList;
  import org.kuali.rice.ken.util.NotificationConstants;
  import org.kuali.rice.ken.util.Util;
  import org.springframework.web.servlet.ModelAndView;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.io.IOException;
  import java.util.Date;
  import java.util.Map;
  
  /**
   * This class is the controller for sending Event notification messages via an end user interface.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class SendEventNotificationMessageController extends BaseSendNotificationController {
  
      private static final Logger LOG = Logger.getLogger(SendEventNotificationMessageController.class);
  
      /**
       * Handles the display of the form for sending a event notification message.
       *
       * @param request : a servlet request
       * @param response the servlet response
       *
       * @return the next view to move to
       * @throws ServletException
       * @throws IOException
       */
      public ModelAndView sendEventNotificationMessage(HttpServletRequest request,
              HttpServletResponse response) throws ServletException, IOException {
          String view = "SendEventNotificationMessage";
  
          LOG.debug("remoteUser: " + request.getRemoteUser());
  
          Map<String, Object> model = setupModelForSendNotification(request);
          model.put("errors", new ErrorList()); // need an empty one so we don't have an NPE
  
          return new ModelAndView(view, model);
      }
  
      /**
       * Handles submitting the actual event notification message.
       *
       * @param request the servlet request
       * @param response the servlet response
       *
       * @return the next view to move to
       * @throws ServletException
       * @throws IOException
       */
      public ModelAndView submitEventNotificationMessage(HttpServletRequest request,
              HttpServletResponse response) throws ServletException, IOException {
          String routeMessage = "This message was submitted via the event notification message submission form by user ";
          String viewName = "SendEventNotificationMessage";
  
          return submitNotificationMessage(request, routeMessage, viewName);
      }
  
      /**
       * {@inheritDoc}
       *
       * Populates values pertaining to an event notification message.
       */
      @Override
      protected Map<String, Object> setupModelForSendNotification(HttpServletRequest request) {
          Map<String, Object> model = super.setupModelForSendNotification(request);
  
          model.put("summary", request.getParameter("summary"));
          model.put("description", request.getParameter("description"));
          model.put("location", request.getParameter("location"));
          model.put("startDateTime", request.getParameter("startDateTime"));
          model.put("stopDateTime", request.getParameter("stopDateTime"));
  
          return model;
      }
  
     /**
      * {@inheritDoc}
      *
      * Overrides to set the content type to "event" and add extra attributes.
      */
     @Override
     protected NotificationBo createNotification(HttpServletRequest request, Map<String, Object> model,
             ErrorList errors) throws ErrorList {
         NotificationBo notification = super.createNotification(request, model, errors);
 
         String message = getParameter(request, "message", model, errors, "You must fill in a message.");
 
         String summary = getParameter(request, "summary", model, errors, "You must fill in a summary.");
         String description = getParameter(request, "description", model, errors, "You must fill in a description.");
         String location = getParameter(request, "location", model, errors, "You must fill in a location.");
 
         String startDateTime = request.getParameter("startDateTime");
         Date startDate = getDate(startDateTime, errors,
                 "You specified an invalid start date and time.  Please use the calendar picker.");
         if (startDate != null) {
             model.put("startDateTime", startDateTime);
         }
 
         String stopDateTime = request.getParameter("stopDateTime");
         Date stopDate = getDate(stopDateTime, errors,
                 "You specified an invalid start date and time.  Please use the calendar picker.");
         if (stopDate != null) {
             model.put("stopDateTime", stopDateTime);
         } else {
 
         }
 
         if (stopDate != null && startDate != null) {
             if (stopDate.before(startDate)) {
                 errors.addError("Event Stop Date/Time cannot be before Event Start Date/Time.");
             }
         }
 
         // stop processing if there are errors
         if (!errors.getErrors().isEmpty()) {
             throw errors;
         }
 
         NotificationContentTypeBo contentType = Util.retrieveFieldReference("contentType", "name",
                 NotificationConstants.CONTENT_TYPES.EVENT_CONTENT_TYPE, NotificationContentTypeBo.class,
                 dataObjectService, Boolean.TRUE);
         notification.setContentType(contentType);
 
         notification.setContent(NotificationConstants.XML_MESSAGE_CONSTANTS.CONTENT_EVENT_OPEN
                 + NotificationConstants.XML_MESSAGE_CONSTANTS.MESSAGE_OPEN
                 + message
                 + NotificationConstants.XML_MESSAGE_CONSTANTS.MESSAGE_CLOSE
                 + "<event>\n"
                 + "  <summary>"
                 + summary
                 + "</summary>\n"
                 + "  <description>"
                 + description
                 + "</description>\n"
                 + "  <location>"
                 + location
                 + "</location>\n"
                 + "  <startDateTime>"
                 + Util.toUIDateTimeString(startDate)
                 + "</startDateTime>\n"
                 + "  <stopDateTime>"
                 + Util.toUIDateTimeString(stopDate)
                 + "</stopDateTime>\n"
                 + "</event>"
                 + NotificationConstants.XML_MESSAGE_CONSTANTS.CONTENT_CLOSE);
 
         return notification;
     }
 }