/**
    * Copyright 2004-2013 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.hr.lm.leavecalendar.web;
  
  import org.apache.commons.lang.StringUtils;
  import org.joda.time.DateTime;
  import org.joda.time.format.ISODateTimeFormat;
  import org.json.simple.JSONValue;
  import org.kuali.hr.lm.leaveblock.LeaveBlock;
  import org.kuali.hr.time.assignment.AssignmentDescriptionKey;
  import org.kuali.hr.time.roles.TkUserRoles;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.timeblock.TimeBlock;
  import org.kuali.hr.time.timeblock.TimeHourDetail;
  import org.kuali.hr.time.util.TKContext;
  import org.kuali.hr.time.util.TKUtils;
  import org.kuali.hr.time.util.TkConstants;
  import org.kuali.hr.time.workarea.WorkArea;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  import java.util.*;
  
  public class LeaveActionFormUtils {
  
      /**
       * This method will build the JSON data structure needed for calendar
       * manipulation and processing on the client side. 
       *
       * @param leaveBlocks
       * @return
       */
      public static String getLeaveBlocksJson(List<LeaveBlock> leaveBlocks) {
  
          if (leaveBlocks == null || leaveBlocks.size() == 0) {
              return "";
          }
  
          List<Map<String, Object>> leaveBlockList = new LinkedList<Map<String, Object>>();
          String timezone = TkServiceLocator.getTimezoneService().getUserTimezone();
  
          for (LeaveBlock leaveBlock : leaveBlocks) {
              Map<String, Object> LeaveBlockMap = new LinkedHashMap<String, Object>();
             
              WorkArea workArea = TkServiceLocator.getWorkAreaService().getWorkArea(leaveBlock.getWorkArea(), leaveBlock.getLeaveDate());
              String workAreaDesc = workArea == null ? "" : workArea.getDescription();
              // Roles
              Boolean isAnyApprover = TkUserRoles.getUserRoles(GlobalVariables.getUserSession().getPrincipalId()).isAnyApproverActive();
              LeaveBlockMap.put("isApprover", isAnyApprover);
             
              LeaveBlockMap.put("documentId", leaveBlock.getDocumentId());
              LeaveBlockMap.put("title", workAreaDesc);
              DateTime dtLeaveDate = new DateTime(leaveBlock.getLeaveDate());
              LeaveBlockMap.put("leaveDate", dtLeaveDate.toString(TkConstants.DT_BASIC_DATE_FORMAT));
              LeaveBlockMap.put("id", leaveBlock.getLmLeaveBlockId().toString());
              LeaveBlockMap.put("timezone", timezone);
              LeaveBlockMap.put("assignment", new AssignmentDescriptionKey(leaveBlock.getJobNumber(), leaveBlock.getWorkArea(), leaveBlock.getTask()).toAssignmentKeyString());
              LeaveBlockMap.put("lmLeaveBlockId", leaveBlock.getLmLeaveBlockId() != null ? leaveBlock.getLmLeaveBlockId() : "");
              LeaveBlockMap.put("earnCode", leaveBlock.getEarnCode());
              LeaveBlockMap.put("leaveAmount", leaveBlock.getLeaveAmount());
              LeaveBlockMap.put("description", leaveBlock.getDescription());
              LeaveBlockMap.put("leaveBlockType", leaveBlock.getLeaveBlockType());
              LeaveBlockMap.put("editable", leaveBlock.isEditable());
              LeaveBlockMap.put("requestStatus", leaveBlock.getRequestStatus());
              LeaveBlockMap.put("canTransfer", TkServiceLocator.getPermissionsService().canTransferSSTOUsage(leaveBlock));
              leaveBlockList.add(LeaveBlockMap);
          }
  
          
          return JSONValue.toJSONString(leaveBlockList);
          
      }
  
  }