/**
    * Copyright 2004-2014 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.kpme.tklm.time.web;
  
  import java.util.List;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.apache.struts.action.ActionRedirect;
  import org.joda.time.LocalDate;
  import org.kuali.kpme.core.assignment.Assignment;
  import org.kuali.kpme.core.job.Job;
  import org.kuali.kpme.core.principal.PrincipalHRAttributes;
  import org.kuali.kpme.core.service.HrServiceLocator;
  import org.kuali.kpme.core.util.HrConstants;
  import org.kuali.kpme.core.util.HrContext;
  import org.kuali.kpme.core.web.KPMEAction;
  import org.kuali.kpme.core.web.KPMEForm;
  import org.kuali.kpme.tklm.time.rules.timecollection.TimeCollectionRule;
  import org.kuali.kpme.tklm.time.service.TkServiceLocator;
  import org.kuali.kpme.tklm.time.timesheet.TimesheetDocument;
  import org.kuali.kpme.tklm.time.util.TkContext;
  import org.kuali.rice.krad.exception.AuthorizationException;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  public class TimeAction extends KPMEAction {
  
      @Override
      protected void checkTKAuthorization(ActionForm form, String methodToCall) throws AuthorizationException {
          KPMEForm kPMEForm = (KPMEForm) form;
  
          if (StringUtils.equals(methodToCall, "targetEmployee") || StringUtils.equals(methodToCall, "changeEmployee") || StringUtils.equals(methodToCall, "clearBackdoor") || StringUtils.equals(methodToCall, "clearChangeUser")) {
              // Handle security validation in targetEmployee action, we may need
              // to check the document for validity, since the user may not
              // necessarily be a system administrator.
          } else {
          	String principalId = GlobalVariables.getUserSession().getPrincipalId();
          	TimesheetDocument tdoc = TkServiceLocator.getTimesheetService().getTimesheetDocument(kPMEForm.getDocumentId());
              if (!HrContext.isSystemAdmin()
          			&& !TkContext.isLocationAdmin()
          			&& !TkContext.isDepartmentAdmin()
          			&& !HrContext.isGlobalViewOnly()
          			&& !TkContext.isDepartmentViewOnly()
          			&& (kPMEForm.getDocumentId() != null && !HrServiceLocator.getHRPermissionService().canApproveCalendarDocument(principalId, tdoc))
          			&& (kPMEForm.getDocumentId() != null && !HrServiceLocator.getHRPermissionService().canViewCalendarDocument(principalId, tdoc)))  {
                  throw new AuthorizationException("", "TimeAction", "");
              }
          }
      }
  
  
      @Override
      public ActionForward execute(ActionMapping mapping, ActionForm form,
                                   HttpServletRequest request, HttpServletResponse response)
              throws Exception {
          //boolean synch = TKUser.isSynchronous();
          String principalId = HrContext.getTargetPrincipalId();
          if (HrContext.isSystemAdmin()) {
              return new ActionRedirect("/portal.do");
          }
          PrincipalHRAttributes phra = HrServiceLocator.getPrincipalHRAttributeService().getPrincipalCalendar(principalId, LocalDate.now());
          if (phra == null) {
              return new ActionRedirect("/PersonInfo.do");
          }
          Job job = HrServiceLocator.getJobService().getPrimaryJob(principalId, LocalDate.now());
  
          if (job != null) {
              List<Assignment> assignments = HrServiceLocator.getAssignmentService().getActiveAssignmentsForJob(principalId, job.getJobNumber(), LocalDate.now());
              for (Assignment asmnt : assignments) {
                  if (asmnt.isActive()) {
                      if (job.getFlsaStatus().equals(HrConstants.FLSA_STATUS_NON_EXEMPT)) {
                          TimeCollectionRule tcr = null;
                          if(asmnt.getJob() != null)
                          	tcr = TkServiceLocator.getTimeCollectionRuleService().getTimeCollectionRule(asmnt.getJob().getDept(), asmnt.getWorkArea(), asmnt.getJob().getHrPayType(), LocalDate.now());
                          if (tcr != null && tcr.isClockUserFl()) {
                              return new ActionRedirect("/Clock.do");
                          } else {
                              return new ActionRedirect("/TimeDetail.do");
                          }
                      } else {
                          if (job.isEligibleForLeave()) {
                             return new ActionRedirect("/LeaveCalendar.do");
                         }
                     }
                 }
             }
         }
 
         return new ActionRedirect("/PersonInfo.do");
     }
 }