/**
    * 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.time.approval.web;
  
  import java.text.SimpleDateFormat;
  import java.util.Date;
  import java.util.HashMap;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Map;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.log4j.Logger;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.json.simple.JSONValue;
  import org.kuali.hr.time.base.web.TkAction;
  import org.kuali.hr.time.base.web.ApprovalForm;
  import org.kuali.hr.time.person.TKPerson;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.timesheet.TimesheetDocument;
  import org.kuali.hr.time.timesummary.TimeSummary;
  import org.kuali.hr.time.workflow.TimesheetDocumentHeader;
  
  public class TimeApprovalWSAction extends TkAction {
  
      private static final Logger LOG = Logger.getLogger(TimeApprovalWSAction.class);
  
      /**
       * Action called via AJAX. (ajaj really...)
       * <p/>
       * This search returns quick-results to the search box for the user to further
       * refine upon. The end value can then be form submitted.
       */
      public ActionForward searchApprovalRows(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          TimeApprovalActionForm taaf = (TimeApprovalActionForm) form;
          List<Map<String, String>> results = new LinkedList<Map<String, String>>();
          if(StringUtils.isNotEmpty(taaf.getPayBeginDateForSearch()) 
          		&& StringUtils.isNotEmpty(taaf.getPayEndDateForSearch()) ) {
  	        Date beginDate = new SimpleDateFormat("MM/dd/yyyy").parse(taaf.getPayBeginDateForSearch());
  	        Date endDate = new SimpleDateFormat("MM/dd/yyyy").parse(taaf.getPayEndDateForSearch());
  	        
  	        List<String> principalIds = TkServiceLocator.getTimeApproveService().getPrincipalIdsByDeptWorkAreaRolename(taaf.getRoleName(), taaf.getSelectedDept(), taaf.getSelectedWorkArea(), new java.sql.Date(beginDate.getTime()), new java.sql.Date(endDate.getTime()), taaf.getSelectedPayCalendarGroup());
  	        List<TKPerson> persons = TkServiceLocator.getPersonService().getPersonCollection(principalIds);
  	        
  	        if (StringUtils.equals(taaf.getSearchField(), ApprovalForm.ORDER_BY_PRINCIPAL)) {
  	            for (String id : principalIds) {
  	                if(StringUtils.contains(id, taaf.getSearchTerm())) {
  	                    Map<String, String> labelValue = new HashMap<String, String>();
  	                    labelValue.put("id", id);
  	                    labelValue.put("result", id);
  	                    results.add(labelValue);
  	                }
  	            }
  	        } else if (StringUtils.equals(taaf.getSearchField(), ApprovalForm.ORDER_BY_DOCID)) {
  	            Map<String, TimesheetDocumentHeader> principalDocumentHeaders =
  	                    TkServiceLocator.getTimeApproveService().getPrincipalDocumehtHeader(persons, beginDate, endDate);
  	
  	            for (Map.Entry<String,TimesheetDocumentHeader> entry : principalDocumentHeaders.entrySet()) {
  	                if (StringUtils.contains(entry.getValue().getDocumentId(), taaf.getSearchTerm())) {
  	                    Map<String, String> labelValue = new HashMap<String, String>();
  	                    labelValue.put("id", entry.getValue().getDocumentId() + " (" + entry.getValue().getPrincipalId() + ")");
  	                    labelValue.put("result", entry.getValue().getPrincipalId());
  	                    results.add(labelValue);
  	                }
  	            }
  	        }
          }
       
          taaf.setOutputString(JSONValue.toJSONString(results));
          return mapping.findForward("ws");
      }
      
      public ActionForward getTimeSummary(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          TimeApprovalActionForm taaf = (TimeApprovalActionForm) form;
          TimesheetDocument td = TkServiceLocator.getTimesheetService().getTimesheetDocument(taaf.getDocumentId());
  		TimeSummary ts = TkServiceLocator.getTimeSummaryService().getTimeSummary(td);
  		
          taaf.setOutputString(ts.toJsonString());
          return mapping.findForward("ws");
      }
          
 }