/**
    * 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.timesheet.validation;
  
  import java.util.List;
  
  import org.kuali.hr.time.assignment.Assignment;
  import org.kuali.hr.time.calendar.Calendar;
  import org.kuali.hr.time.calendar.CalendarEntries;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.timesheet.TimeSheetInitiate;
  import org.kuali.hr.time.timesheet.TimesheetDocument;
  import org.kuali.hr.time.util.TkConstants;
  import org.kuali.rice.kew.api.exception.WorkflowException;
  import org.kuali.rice.kns.document.MaintenanceDocument;
  import org.kuali.rice.kns.maintenance.rules.MaintenanceDocumentRuleBase;
  
  public class TimeSheetInitiateValidation extends MaintenanceDocumentRuleBase {
      @Override
  	protected boolean processCustomRouteDocumentBusinessRules(MaintenanceDocument document) {
          boolean valid = true;
          TimeSheetInitiate timeInit = (TimeSheetInitiate)this.getNewBo();
          Calendar pc = TkServiceLocator.getCalendarService().getCalendarByGroup(timeInit.getPyCalendarGroup());
          if(pc == null) {
          	this.putFieldError("pyCalendarGroup", "timeSheetInit.payCalendar.Invalid");
          	valid = false;
          } else {
          	if(pc.getCalendarTypes() != null && !pc.getCalendarTypes().equalsIgnoreCase(TkConstants.CALENDAR_TYPE_PAY)) {
          		this.putFieldError("pyCalendarGroup", "timeSheetInit.payCalendar.Invalid");
              	valid = false;
          	}
          }
          
      	CalendarEntries pce = TkServiceLocator.getCalendarEntriesService().getCalendarEntries(timeInit.getHrPyCalendarEntriesId());
      	if(pce == null) {
      		this.putFieldError("hrPyCalendarEntriesId", "timeSheetInit.payCalEntriesId.Invalid");
          	valid = false;
      	}
      	
          List<Assignment> activeAssignments = TkServiceLocator.getAssignmentService().getAssignmentsByCalEntryForTimeCalendar(timeInit.getPrincipalId(), pce);
          if (activeAssignments.isEmpty()) {
          	this.putFieldError("principalId", "timeSheetInit.principalId.Assignments.Empty");
          	valid = false;
          }
      	
      	if(valid) {
  			this.createTimeSheetDocument(timeInit, pce);
  		}
          return valid;
      }
  
      protected void createTimeSheetDocument(TimeSheetInitiate timeInit, CalendarEntries entries) {
      	try {
      		TimesheetDocument tsd = TkServiceLocator.getTimesheetService().openTimesheetDocument(timeInit.getPrincipalId(), entries);
      		if (tsd != null) {
      			timeInit.setDocumentId(tsd.getDocumentId());
      		}
  		} catch (WorkflowException e) {
  			// TODO Auto-generated catch block
  			e.printStackTrace();
  		}
      }
  }