/**
    * 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.kpme.tklm.time.rules.timecollection.service;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.commons.lang.StringUtils;
  import org.joda.time.LocalDate;
  import org.kuali.kpme.core.KPMENamespace;
  import org.kuali.kpme.core.department.Department;
  import org.kuali.kpme.core.permission.KPMEPermissionTemplate;
  import org.kuali.kpme.core.role.KPMERoleMemberAttribute;
  import org.kuali.kpme.core.service.HrServiceLocator;
  import org.kuali.kpme.tklm.time.rules.timecollection.TimeCollectionRule;
  import org.kuali.kpme.tklm.time.rules.timecollection.dao.TimeCollectionRuleDaoService;
  import org.kuali.rice.kim.api.KimConstants;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
  
  public class TimeCollectionRuleServiceImpl implements TimeCollectionRuleService {
  	private TimeCollectionRuleDaoService timeCollectRuleDao;
  
      @Override
  	public TimeCollectionRule getTimeCollectionRule(String dept, Long workArea, String payType, LocalDate asOfDate){
  		return timeCollectRuleDao.getTimeCollectionRule(dept, workArea, payType, asOfDate);
  	}
  
  	public TimeCollectionRuleDaoService getTimeCollectRuleDao() {
  		return timeCollectRuleDao;
  	}
  
  	public void setTimeCollectRuleDao(
  			TimeCollectionRuleDaoService timeCollectRuleDao) {
  		this.timeCollectRuleDao = timeCollectRuleDao;
  	}
  
  	@Override
  	public TimeCollectionRule getTimeCollectionRule(String tkTimeCollectionRuleId) {
  		return timeCollectRuleDao.getTimeCollectionRule(tkTimeCollectionRuleId);
  	}
  
      @Override
      public List<TimeCollectionRule> getTimeCollectionRules(String userPrincipalId, String dept, String workArea, String payType, String active, String showHistory) {
      	List<TimeCollectionRule> results = new ArrayList<TimeCollectionRule>();
      	
      	Long workAreaToSearch = StringUtils.isEmpty(workArea) ? null : Long.parseLong(workArea);
      	
      	List<TimeCollectionRule> timeCollectionRuleObjs = timeCollectRuleDao.getTimeCollectionRules(dept, workAreaToSearch , payType, active, showHistory);
  
          //TODO - performance  too many db calls in loop
      	for (TimeCollectionRule timeCollectionRuleObj : timeCollectionRuleObjs) {
          	String department = timeCollectionRuleObj.getDept();
          	Department departmentObj = HrServiceLocator.getDepartmentService().getDepartmentWithoutRoles(department, timeCollectionRuleObj.getEffectiveLocalDate());
          	String location = departmentObj != null ? departmentObj.getLocation() : null;
          	Map<String, String> permissionDetails = new HashMap<String, String>();
          	permissionDetails.put(KimConstants.AttributeConstants.DOCUMENT_TYPE_NAME, KRADServiceLocatorWeb.getDocumentDictionaryService().getMaintenanceDocumentTypeName(TimeCollectionRule.class));
          	Map<String, String> roleQualification = new HashMap<String, String>();
          	roleQualification.put(KimConstants.AttributeConstants.PRINCIPAL_ID, userPrincipalId);
          	roleQualification.put(KPMERoleMemberAttribute.DEPARTMENT.getRoleMemberAttributeName(), department);
          	roleQualification.put(KPMERoleMemberAttribute.LOCATION.getRoleMemberAttributeName(), location);
          	
          	if (!KimApiServiceLocator.getPermissionService().isPermissionDefinedByTemplate(KPMENamespace.KPME_WKFLW.getNamespaceCode(),
      				KPMEPermissionTemplate.VIEW_KPME_RECORD.getPermissionTemplateName(), permissionDetails)
      		  || KimApiServiceLocator.getPermissionService().isAuthorizedByTemplate(userPrincipalId, KPMENamespace.KPME_WKFLW.getNamespaceCode(),
      				  KPMEPermissionTemplate.VIEW_KPME_RECORD.getPermissionTemplateName(), permissionDetails, roleQualification)) {
          		results.add(timeCollectionRuleObj);
          	}
      	}
      	
      	return results;
      }
  }