/**

  * Copyright 2012 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.osedu.org/licenses/ECL-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.

  *

  * Created by Charles on 5/7/12

  */

 package org.kuali.student.enrollment.class2.courseoffering.controller;

 import org.kuali.rice.krad.web.controller.UifControllerBase;

 import org.kuali.rice.krad.web.form.UifFormBase;

 import org.kuali.student.enrollment.acal.dto.TermInfo;

 import org.kuali.student.enrollment.class2.courseoffering.form.CourseOfferingRolloverManagementForm;

 import org.kuali.student.enrollment.class2.courseoffering.service.CourseOfferingViewHelperService;

 import org.kuali.student.enrollment.courseoffering.dto.CourseOfferingInfo;

 import org.kuali.student.enrollment.courseofferingset.dto.SocInfo;

 import org.kuali.student.enrollment.courseofferingset.dto.SocRolloverResultInfo;

 import org.springframework.stereotype.Controller;

 import org.springframework.validation.BindingResult;

 import org.springframework.web.bind.annotation.ModelAttribute;

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

 import org.springframework.web.bind.annotation.RequestMethod;

 import org.springframework.web.servlet.ModelAndView;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import java.text.SimpleDateFormat;

 import java.util.ArrayList;

 import java.util.Calendar;

 import java.util.Date;

 import java.util.List;

 /**

  * This class //TODO ...

  *

  * @author Kuali Student Team

  */

 @Controller

 @RequestMapping(value = "/courseOfferingRollover")

 public class CourseOfferingRolloverController extends UifControllerBase {

     private CourseOfferingViewHelperService viewHelperService;

     @Override

     protected UifFormBase createInitialForm(HttpServletRequest request) {

         return new CourseOfferingRolloverManagementForm();

     }

     @Override

     @RequestMapping(method = RequestMethod.GET, params = "methodToCall=start")

     public ModelAndView start(@ModelAttribute("KualiForm") UifFormBase form, BindingResult result,

                               HttpServletRequest request, HttpServletResponse response) {

         CourseOfferingRolloverManagementForm theForm = (CourseOfferingRolloverManagementForm)form;

         Date date = Calendar.getInstance().getTime();

         System.err.println(date.toString() + " ");

         System.err.println(theForm);

         return getUIFModelAndView(theForm);

         // return super.start(theForm, result, request, response);

     }

     @RequestMapping(params = "methodToCall=goTargetTerm")

     public ModelAndView goTargetTerm(@ModelAttribute("KualiForm") CourseOfferingRolloverManagementForm form, BindingResult result,

                              HttpServletRequest request, HttpServletResponse response) throws Exception {

         CourseOfferingViewHelperService helper = getViewHelperService(form);

         List<TermInfo> termList = helper.findTermByTermCode(form.getTargetTermCode());

         if (termList != null && termList.size() == 1) {

             // Get first term

             TermInfo matchingTerm = termList.get(0);

             String targetTermCode = matchingTerm.getCode();

             form.setDisplayedTargetTermCode(targetTermCode);

             // Set the start date

             Date startDate = matchingTerm.getStartDate();

             SimpleDateFormat format = new SimpleDateFormat("EEE, MMMMM d, yyyy");

             String startDateStr = format.format(startDate);

             form.setTargetTermStartDate(startDateStr);

             // Set the end date

             Date endDate = matchingTerm.getEndDate();

             String endDateStr = format.format(endDate);

             form.setTargetTermEndDate(endDateStr);

             // TODO: Put in last rollover date (Kirk says this may be unnecessary in new wireframes 5/18/2012)

             form.setTargetTerm(matchingTerm);

         } else {

             form.setTargetTerm(null);

         }

         return getUIFModelAndView(form);

     }

     @RequestMapping(params = "methodToCall=goSourceTerm")

     public ModelAndView goSourceTerm(@ModelAttribute("KualiForm") CourseOfferingRolloverManagementForm form, BindingResult result,

                              HttpServletRequest request, HttpServletResponse response) throws Exception {

         CourseOfferingViewHelperService helper = getViewHelperService(form);

         List<TermInfo> termList = helper.findTermByTermCode(form.getSourceTermCode());

         if (termList != null && termList.size() == 1) {

             // Get first term

             TermInfo matchingTerm = termList.get(0);

             String sourceTermCode = matchingTerm.getCode();

             form.setDisplayedSourceTermCode(sourceTermCode);

             // Set the start date

             Date startDate = matchingTerm.getStartDate();

             SimpleDateFormat format = new SimpleDateFormat("EEE, MMMMM d, yyyy");

             String startDateStr = format.format(startDate);

             form.setSourceTermStartDate(startDateStr);

             // Set the end date

             Date endDate = matchingTerm.getEndDate();

             String endDateStr = format.format(endDate);

             form.setSourceTermEndDate(endDateStr);

             form.setSourceTerm(matchingTerm);

         } else {

             form.setTargetTerm(null);

         }

         return getUIFModelAndView(form);

     }

     @RequestMapping(params = "methodToCall=performRollover")

     public ModelAndView performRollover(@ModelAttribute("KualiForm") CourseOfferingRolloverManagementForm form, BindingResult result,

                                         HttpServletRequest request, HttpServletResponse response) throws Exception {

         CourseOfferingViewHelperService helper =  getViewHelperService(form);

         if (form.getSourceTerm() == null || form.getTargetTerm() == null) {

             form.setStatusField("(setUp) Source/target term objects appear to be missing");

             return getUIFModelAndView(form);

         }

         form.setStatusField("");

         String sourceTermId = form.getSourceTerm().getId();

         String targetTermId = form.getTargetTerm().getId();

         helper.performRollover(sourceTermId, targetTermId, form);

         return getUIFModelAndView(form);

     }

     @RequestMapping(params = "methodToCall=setUpSourceTerm")

     public ModelAndView setUpSourceTerm(@ModelAttribute("KualiForm") CourseOfferingRolloverManagementForm form, BindingResult result,

                                         HttpServletRequest request, HttpServletResponse response) throws Exception {

         CourseOfferingViewHelperService helper =  getViewHelperService(form);

         if (form.getSourceTerm() == null || form.getTargetTerm() == null) {

             form.setStatusField("(setUp) Source/target term objects appear to be missing");

             return getUIFModelAndView(form);

         }

         form.setStatusField("");

         // Delete previous SOC and course offerings (allows for us to redefine SOC/course offering later on

         boolean success = helper.cleanSourceTerm(form.getSourceTerm().getId(), form);

         if (success) {

             helper.createSocCoFoAoForTerm(form.getSourceTerm().getId(), form);

         }

         return getUIFModelAndView(form);

     }

     @RequestMapping(params = "methodToCall=performReverseRollover")

     public ModelAndView performReverseRollover(@ModelAttribute("KualiForm") CourseOfferingRolloverManagementForm form, BindingResult result,

                                             HttpServletRequest request, HttpServletResponse response) throws Exception {

         CourseOfferingViewHelperService helper =  getViewHelperService(form);

         if (form.getSourceTerm() == null || form.getTargetTerm() == null) {

             form.setStatusField("(cleanUp) Source/target term objects appear to be missing");

             return getUIFModelAndView(form);

         }

         form.setStatusField("");

         String sourceTermId = form.getSourceTerm().getId();

         String targetTermId = form.getTargetTerm().getId();

         SocRolloverResultInfo info = helper.performReverseRollover(sourceTermId, targetTermId, form);

         if (info != null) {

             form.setStatusField("Num items processed: " + info.getItemsProcessed());

         }

         return getUIFModelAndView(form);

     }

     @RequestMapping(params = "methodToCall=cleanTargetTerm")

     public ModelAndView cleanTargetTerm(@ModelAttribute("KualiForm") CourseOfferingRolloverManagementForm form, BindingResult result,

                                                HttpServletRequest request, HttpServletResponse response) throws Exception {

         CourseOfferingViewHelperService helper =  getViewHelperService(form);

         if (form.getSourceTerm() == null || form.getTargetTerm() == null) {

             form.setStatusField("(cleanUp) Source/target term objects appear to be missing");

             return getUIFModelAndView(form);

         }

         form.setStatusField("");

         helper.cleanTargetTerm(form.getTargetTerm().getId(), form);

         return getUIFModelAndView(form);

     }

     public CourseOfferingViewHelperService getViewHelperService(CourseOfferingRolloverManagementForm rolloverForm){

         if (viewHelperService == null) {

             if (rolloverForm.getView().getViewHelperServiceClass() != null){

                 viewHelperService = (CourseOfferingViewHelperService) rolloverForm.getView().getViewHelperService();

             }else{

                 viewHelperService= (CourseOfferingViewHelperService) rolloverForm.getPostedView().getViewHelperService();

             }

         }

         return viewHelperService;

     }

 //    @RequestMapping(params = "methodToCall=goRolloverTerm")

 //    public ModelAndView goRolloverTerm(@ModelAttribute("KualiForm") CourseOfferingRolloverManagementForm form, BindingResult result,

 //                                     HttpServletRequest request, HttpServletResponse response) throws Exception {

 //        form.setRolloverSourceTerm("Fall 2011");

 //        form.setDateInitiated("March 12 2012");

 //        form.setCourseOfferingsNotAllowed("In progress");

 //        form.setDateCompleted("In progress");

 //        form.setActivityOfferingsNotAllowed("In progress");

 //        return getUIFModelAndView(form);

 //    }

 }