/**
    * Copyright 2005-2013 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.rice.kim.impl.identity;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.criteria.QueryByCriteria;
  import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;
  import org.kuali.rice.kim.api.identity.IdentityService;
  import org.kuali.rice.kim.api.identity.CodedAttribute;
  import org.kuali.rice.kim.api.identity.address.EntityAddress;
  import org.kuali.rice.kim.api.identity.affiliation.EntityAffiliation;
  import org.kuali.rice.kim.api.identity.affiliation.EntityAffiliationType;
  import org.kuali.rice.kim.api.identity.citizenship.EntityCitizenship;
  import org.kuali.rice.kim.api.identity.email.EntityEmail;
  import org.kuali.rice.kim.api.identity.employment.EntityEmployment;
  import org.kuali.rice.kim.api.identity.entity.Entity;
  import org.kuali.rice.kim.api.identity.entity.EntityDefault;
  import org.kuali.rice.kim.api.identity.entity.EntityDefaultQueryResults;
  import org.kuali.rice.kim.api.identity.entity.EntityQueryResults;
  import org.kuali.rice.kim.api.identity.external.EntityExternalIdentifier;
  import org.kuali.rice.kim.api.identity.external.EntityExternalIdentifierType;
  import org.kuali.rice.kim.api.identity.name.EntityName;
  import org.kuali.rice.kim.api.identity.personal.EntityBioDemographics;
  import org.kuali.rice.kim.api.identity.personal.EntityEthnicity;
  import org.kuali.rice.kim.api.identity.phone.EntityPhone;
  import org.kuali.rice.kim.api.identity.principal.EntityNamePrincipalName;
  import org.kuali.rice.kim.api.identity.principal.Principal;
  import org.kuali.rice.kim.api.identity.principal.PrincipalQueryResults;
  import org.kuali.rice.kim.api.identity.privacy.EntityPrivacyPreferences;
  import org.kuali.rice.kim.api.identity.residency.EntityResidency;
  import org.kuali.rice.kim.api.identity.type.EntityTypeContactInfo;
  import org.kuali.rice.kim.api.identity.visa.EntityVisa;
  import org.kuali.rice.krad.util.ObjectUtils;
  
  import javax.jws.WebParam;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  /**
   * This IdentityService implementation is largely just a knee-jerk delegator, except for
   * getters returning {@link EntityDefault} in which case the IdentityArchiveService
   * will be invoked if the inner IndentityService impl returns null.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class IdentityCurrentAndArchivedServiceImpl implements IdentityService {
  	private final IdentityArchiveService identityArchiveService;
  	private final IdentityService innerIdentityService;
  	
  	/**
  	 * This constructs a IdentityCurrentAndArchivedServiceImpl, injecting the
  	 * needed services.
  	 */
  	public IdentityCurrentAndArchivedServiceImpl(IdentityService innerIdentityService, 
  			IdentityArchiveService identityArchiveService) {
  		this.innerIdentityService = innerIdentityService;
  		this.identityArchiveService = identityArchiveService;
  	}
  	
  	/**
  	 * @see org.kuali.rice.kim.api.identity.IdentityService#getAddressType(java.lang.String)
  	 */
      @Override
  	public CodedAttribute getAddressType(String code) {
  		return getInnerIdentityService().getAddressType(code);
  	}
  
      @Override
      public List<CodedAttribute> findAllAddressTypes() {
          return getInnerIdentityService().findAllAddressTypes();
      }
  
      @Override
  	public EntityAffiliationType getAffiliationType(String code) {
  		return getInnerIdentityService().getAffiliationType(code);
  	}
  
      @Override
      public List<EntityAffiliationType> findAllAffiliationTypes() {
          return getInnerIdentityService().findAllAffiliationTypes();
      }
  
      /**
  	 * @see org.kuali.rice.kim.api.identity.IdentityService#getCitizenshipStatus(java.lang.String)
  	 */       
     @Override
 	public CodedAttribute getCitizenshipStatus(String code) {
 		return CodedAttribute.Builder.create(getInnerIdentityService().getCitizenshipStatus(code)).build();
 	}
 
     @Override
     public List<CodedAttribute> findAllCitizenshipStatuses() {
         return getInnerIdentityService().findAllCitizenshipStatuses();
     }
 
     @Override
 	public EntityNamePrincipalName getDefaultNamesForPrincipalId(String principalId) {
     	EntityNamePrincipalName name = getInnerIdentityService().getDefaultNamesForPrincipalId(principalId);
     	if(name == null || ObjectUtils.isNull(name.getDefaultName()) || StringUtils.isBlank(name.getPrincipalName()) || StringUtils.isBlank(name.getDefaultName().getCompositeName())) {
     		EntityDefault defaultEntity = this.getEntityDefaultByPrincipalId(principalId);
             if (defaultEntity != null) {
                 EntityNamePrincipalName.Builder nameBuilder = EntityNamePrincipalName.Builder.create();
                 for(Principal principal : defaultEntity.getPrincipals()) {
                     nameBuilder.setPrincipalName(principal.getPrincipalName());
                 }
                 nameBuilder.setDefaultName(EntityName.Builder.create(defaultEntity.getName()));
                 if (StringUtils.isBlank(defaultEntity.getName().getCompositeName())) {
                     String formattedName = (defaultEntity.getName().getLastName() + ", " + defaultEntity.getName().getFirstName() + (defaultEntity.getName().getMiddleName()==null?"":" " + defaultEntity.getName().getMiddleName())).trim();
                     nameBuilder.getDefaultName().setCompositeName(formattedName);
                 }
                 return nameBuilder.build();
             }
         }
 		return name;
 	}
 
     @Override
     public EntityName addNameToEntity(EntityName name) {
         return getInnerIdentityService().addNameToEntity(name);
     }
 
     @Override
     public EntityName updateName(EntityName name) {
         return getInnerIdentityService().updateName(name);
     }
 
     @Override
     public EntityName inactivateName(String id) {
         return getInnerIdentityService().inactivateName(id);
     }
 
     @Override
     public EntityEmployment addEmploymentToEntity(EntityEmployment employment) {
         return getInnerIdentityService().addEmploymentToEntity(employment);
     }
 
     @Override
     public EntityEmployment updateEmployment(EntityEmployment employment) {
         return getInnerIdentityService().updateEmployment(employment);
     }
 
     @Override
     public EntityEmployment inactivateEmployment(String id) {
         return getInnerIdentityService().inactivateEmployment(id);
     }
 
     @Override
     public EntityBioDemographics addBioDemographicsToEntity(EntityBioDemographics bioDemographics) {
         return getInnerIdentityService().addBioDemographicsToEntity(bioDemographics);
     }
 
     @Override
     public EntityBioDemographics updateBioDemographics(EntityBioDemographics bioDemographics) {
         return getInnerIdentityService().updateBioDemographics(bioDemographics);
     }
 
 	/**
 	 * @see org.kuali.rice.kim.api.identity.IdentityService#getEmailType(java.lang.String)
 	 */
     @Override
 	public CodedAttribute getEmailType(String code) {
 		return getInnerIdentityService().getEmailType(code);
 	}
 
     @Override
     public List<CodedAttribute> findAllEmailTypes() {
         return getInnerIdentityService().findAllEmailTypes();
     }
 
     @Override
     public PrincipalQueryResults findPrincipals(QueryByCriteria query) throws RiceIllegalArgumentException {
         return getInnerIdentityService().findPrincipals(query);
     }
 
     /**
 	 * @see org.kuali.rice.kim.api.identity.IdentityService#getEmploymentStatus(java.lang.String)
 	 */
     @Override
 	public CodedAttribute getEmploymentStatus(String code) {
 		return getInnerIdentityService().getEmploymentStatus(code);
 	}
 
     @Override
     public List<CodedAttribute> findAllEmploymentStatuses() {
         return getInnerIdentityService().findAllEmploymentStatuses();
     }
 
     /**
 	 * @see org.kuali.rice.kim.api.identity.IdentityService#getEmploymentType(java.lang.String)
 	 */
     @Override
 	public CodedAttribute getEmploymentType(String code) {
 		return getInnerIdentityService().getEmploymentType(code);
 	}
 
     @Override
     public List<CodedAttribute> findAllEmploymentTypes() {
         return getInnerIdentityService().findAllEmploymentTypes();
     }
 
     /**
 	 * This method first tries the inner IdentityService impl, and resorts to
 	 * the IdentityArchiveService if need be.
 	 */
     @Override
 	public EntityDefault getEntityDefault(String entityId) {
 		EntityDefault entity = getInnerIdentityService().getEntityDefault(entityId);
     	if ( entity == null ) {
     		entity = getIdentityArchiveService().getEntityDefaultFromArchive(entityId);
     	} else {
 			getIdentityArchiveService().saveEntityDefaultToArchive(entity);
     	}
 		return entity;
 	}
 
 	/**
 	 * This method first tries the inner IdentityService impl, and resorts to
 	 * the IdentityArchiveService if need be.
 	 */
     @Override
 	public EntityDefault getEntityDefaultByPrincipalId(String principalId) {
 		EntityDefault entity = getInnerIdentityService().getEntityDefaultByPrincipalId(principalId);
     	if ( entity == null ) {
     		entity = getIdentityArchiveService().getEntityDefaultFromArchiveByPrincipalId(principalId);
     	} else {
 			getIdentityArchiveService().saveEntityDefaultToArchive(entity);
     	}
     	return entity;
 	}
 
 	/**
 	 * This method first tries the inner IdentityService impl, and resorts to
 	 * the IdentityArchiveService if need be.
 	 */
     @Override
 	public EntityDefault getEntityDefaultByPrincipalName(String principalName) {
 		EntityDefault entity = getInnerIdentityService().getEntityDefaultByPrincipalName(principalName);
     	if ( entity == null ) {
     		entity = getIdentityArchiveService().getEntityDefaultFromArchiveByPrincipalName(principalName);
     	} else {
 			getIdentityArchiveService().saveEntityDefaultToArchive(entity);
     	}
     	return entity;
 	}
 
     /**
      * This method first tries the inner IdentityService impl, and resorts to
      * the IdentityArchiveService if need be.
      */
     @Override
     public EntityDefault getEntityDefaultByEmployeeId(String employeeId) {
         EntityDefault entity = getInnerIdentityService().getEntityDefaultByEmployeeId(employeeId);
         if ( entity == null ) {
             entity = getIdentityArchiveService().getEntityDefaultFromArchiveByEmployeeId( employeeId );
         } else {
             getIdentityArchiveService().saveEntityDefaultToArchive(entity);
         }
         return entity;
     }
 
     @Override
     public EntityDefaultQueryResults findEntityDefaults( QueryByCriteria queryByCriteria) {
         return getInnerIdentityService().findEntityDefaults(queryByCriteria);
     }
 
     @Override
     public EntityQueryResults findEntities(QueryByCriteria queryByCriteria) {
         return getInnerIdentityService().findEntities(queryByCriteria);
     }
 
     @Override
 	public Entity getEntity(String entityId) {
 		return getInnerIdentityService().getEntity(entityId);
 	}
 
     @Override
 	public Entity getEntityByPrincipalId(String principalId) {
 		return getInnerIdentityService().getEntityByPrincipalId(principalId);
 	}
 
     @Override
 	public Entity getEntityByPrincipalName(String principalName) {
 		return getInnerIdentityService().getEntityByPrincipalName(principalName);
 	}
     
     @Override
 	public Entity getEntityByEmployeeId(String employeeId) {
 		return getInnerIdentityService().getEntityByEmployeeId(employeeId);
 	}
 
     @Override
     public Entity createEntity(Entity entity) {
         return getInnerIdentityService().createEntity(entity);
     }
 
     @Override
     public Entity updateEntity(Entity entity) {
         return getInnerIdentityService().updateEntity(entity);
     }
 
     @Override
     public Entity inactivateEntity(String entityId) {
         return getInnerIdentityService().inactivateEntity(entityId);
     }
 
     /**
 	 * @see org.kuali.rice.kim.api.identity.IdentityService#getNameType(java.lang.String)
 	 */
     @Override
 	public CodedAttribute getNameType(String code) {
 		return getInnerIdentityService().getNameType(code);
 	}
 
     @Override
     public List<CodedAttribute> findAllNameTypes() {
         return getInnerIdentityService().findAllNameTypes();
     }
 
     @Override
 	public EntityPrivacyPreferences getEntityPrivacyPreferences(
 			String entityId) {
 		return getInnerIdentityService().getEntityPrivacyPreferences(entityId);
 	}
 
     @Override
     public EntityPrivacyPreferences addPrivacyPreferencesToEntity(EntityPrivacyPreferences privacyPreferences) {
         return getInnerIdentityService().addPrivacyPreferencesToEntity(privacyPreferences);
     }
 
     @Override
     public EntityPrivacyPreferences updatePrivacyPreferences(EntityPrivacyPreferences privacyPreferences) {
         return getInnerIdentityService().updatePrivacyPreferences(privacyPreferences);
     }
 
     @Override
     public EntityCitizenship addCitizenshipToEntity(EntityCitizenship citizenship) {
         return getInnerIdentityService().addCitizenshipToEntity(citizenship);
     }
 
     @Override
     public EntityCitizenship updateCitizenship(EntityCitizenship citizenship) {
         return getInnerIdentityService().updateCitizenship(citizenship);
     }
 
     @Override
     public EntityCitizenship inactivateCitizenship(String id) {
         return getInnerIdentityService().inactivateCitizenship(id);
     }
 
     @Override
     public EntityEthnicity addEthnicityToEntity(EntityEthnicity ethnicity) {
         return getInnerIdentityService().addEthnicityToEntity(ethnicity);
     }
 
     @Override
     public EntityEthnicity updateEthnicity(EntityEthnicity ethnicity) {
         return getInnerIdentityService().updateEthnicity(ethnicity);
     }
 
     @Override
     public EntityResidency addResidencyToEntity(EntityResidency residency) {
         return getInnerIdentityService().addResidencyToEntity(residency);
     }
 
     @Override
     public EntityResidency updateResidency(EntityResidency residency) {
         return getInnerIdentityService().updateResidency(residency);
     }
 
     @Override
     public EntityVisa addVisaToEntity(EntityVisa visa) {
         return getInnerIdentityService().addVisaToEntity(visa);
     }
 
     @Override
     public EntityVisa updateVisa(EntityVisa visa) {
         return getInnerIdentityService().updateVisa(visa);
     }
 
     /**
 	 * @see org.kuali.rice.kim.api.identity.IdentityService#getEntityType(java.lang.String)
 	 */
     @Override
 	public CodedAttribute getEntityType(String code) {
 		return getInnerIdentityService().getEntityType(code);
 	}
 
     @Override
     public List<CodedAttribute> findAllEntityTypes() {
         return getInnerIdentityService().findAllEntityTypes();
     }
 
     @Override
 	public EntityExternalIdentifierType getExternalIdentifierType(String code) {
 		return getInnerIdentityService().getExternalIdentifierType(code);
 	}
 
     @Override
     public List<EntityExternalIdentifierType> findAllExternalIdendtifierTypes() {
         return getInnerIdentityService().findAllExternalIdendtifierTypes();
     }
 
     /**
 	 * @see org.kuali.rice.kim.api.identity.IdentityService#getPhoneType(java.lang.String)
 	 */
     @Override
 	public CodedAttribute getPhoneType(String code) {
 		return getInnerIdentityService().getPhoneType(code);
 	}
 
     @Override
     public List<CodedAttribute> findAllPhoneTypes() {
         return getInnerIdentityService().findAllPhoneTypes();
     }
 
     @Override
 	public Principal getPrincipal(String principalId) {
         Principal principal = getInnerIdentityService().getPrincipal(principalId);
         if ( principal == null ) {
             EntityDefault entity = getEntityDefaultByPrincipalId(principalId);
             if ( entity != null ) {
                 List<Principal> principals = entity.getPrincipals();
                 if ( principals != null && !principals.isEmpty() ) {
                     principal = principals.get(0);
                 }
             }
         }
         return principal;
     }
 
     /**
      * Gets a list of {@link org.kuali.rice.kim.api.identity.principal.Principal} from a string list of principalId.
      *
      * <p>
      * This method will only return principals that exist.  It will return null if the none of the principals exist.
      * </p>
      *
      * @param principalIds the unique id to retrieve the principal by. cannot be null.
      * @return a list of {@link org.kuali.rice.kim.api.identity.principal.Principal} or null
      * @throws org.kuali.rice.core.api.exception.RiceIllegalArgumentException if the principalId is blank
      */
     @Override
     public List<Principal> getPrincipals(@WebParam(name = "principalIds") List<String> principalIds) {
         List<Principal> ret = new ArrayList<Principal>();
         for(String p: principalIds) {
             Principal principalInfo = getPrincipal(p);
 
             if (principalInfo != null) {
                 ret.add(principalInfo) ;
             }
         }
         if (!ret.isEmpty()) {
             return ret;
         } else {
             return null;
         }
     }
 
     @Override
 	public Principal getPrincipalByPrincipalName(String principalName) {
         Principal principal = getInnerIdentityService().getPrincipalByPrincipalName(principalName);
         if ( principal == null ) {
             EntityDefault entity = getEntityDefaultByPrincipalName(principalName);
             if ( entity != null ) {
                 List<Principal> principals = entity.getPrincipals();
                 if ( principals != null && !principals.isEmpty() ) {
                     principal = principals.get(0);
                 }
             }
         }
         return principal;
 	}
 
     @Override
     public List<Principal> getPrincipalsByEntityId(String entityId) {
         List<Principal> principals = getInnerIdentityService().getPrincipalsByEntityId(entityId);
         if ( principals == null ) {
             EntityDefault entity = getIdentityArchiveService().getEntityDefaultFromArchive(entityId);
             if (entity != null && entity.getPrincipals() != null && !entity.getPrincipals().isEmpty() ) {
                 principals = entity.getPrincipals();
             }
         }
         return principals;
     }
 
     @Override
     public List<Principal> getPrincipalsByEmployeeId(String employeeId) {
         List<Principal> principals = getInnerIdentityService().getPrincipalsByEmployeeId(employeeId);
         if ( principals == null ) {
             EntityDefault entity = getIdentityArchiveService().getEntityDefaultFromArchive(employeeId);
             if (entity != null && entity.getPrincipals() != null && !entity.getPrincipals().isEmpty() ) {
                 principals = entity.getPrincipals();
             }
         }
         return principals;
     }
 
     @Override
 	public Principal getPrincipalByPrincipalNameAndPassword(
 			String principalName, String password) {
 		return getInnerIdentityService().getPrincipalByPrincipalNameAndPassword(
 				principalName, password);
 	}
 
     @Override
     public Principal addPrincipalToEntity(Principal principal) {
         return getInnerIdentityService().addPrincipalToEntity(principal);
     }
 
     @Override
     public Principal updatePrincipal(Principal principal) {
         return getInnerIdentityService().updatePrincipal(principal);
     }
 
     @Override
     public Principal inactivatePrincipal(String principalId) {
         return getInnerIdentityService().inactivatePrincipal(principalId);
     }
 
     @Override
     public Principal inactivatePrincipalByName(String principalName) {
         return getInnerIdentityService().inactivatePrincipalByName(principalName);
     }
 
     @Override
     public EntityTypeContactInfo addEntityTypeContactInfoToEntity(EntityTypeContactInfo entityTypeContactInfo) {
         return getInnerIdentityService().addEntityTypeContactInfoToEntity(entityTypeContactInfo);
     }
 
     @Override
     public EntityTypeContactInfo updateEntityTypeContactInfo(EntityTypeContactInfo entityTypeContactInfo) {
         return getInnerIdentityService().updateEntityTypeContactInfo(entityTypeContactInfo);
     }
 
     @Override
     public EntityTypeContactInfo inactivateEntityTypeContactInfo(String entityId, String entityTypeCode) {
         return getInnerIdentityService().inactivateEntityTypeContactInfo(entityId, entityTypeCode);
     }
 
     @Override
     public EntityAddress addAddressToEntity(EntityAddress address) {
         return getInnerIdentityService().addAddressToEntity(address);
     }
 
     @Override
     public EntityAddress updateAddress(EntityAddress address) {
         return getInnerIdentityService().updateAddress(address);
     }
 
     @Override
     public EntityAddress inactivateAddress(String addressId) {
         return getInnerIdentityService().inactivateAddress(addressId);
     }
 
     @Override
     public EntityEmail addEmailToEntity(EntityEmail email) {
         return getInnerIdentityService().addEmailToEntity(email);
     }
 
     @Override
     public EntityEmail updateEmail(EntityEmail email) {
         return getInnerIdentityService().updateEmail(email);
     }
 
     @Override
     public EntityEmail inactivateEmail(String emailId) {
         return getInnerIdentityService().inactivateEmail(emailId);
     }
 
     @Override
     public EntityPhone addPhoneToEntity(EntityPhone phone) {
         return getInnerIdentityService().addPhoneToEntity(phone);
     }
 
     @Override
     public EntityPhone updatePhone(EntityPhone phone) {
         return getInnerIdentityService().updatePhone(phone);
     }
 
     @Override
     public EntityPhone inactivatePhone(String phoneId) {
         return getInnerIdentityService().inactivatePhone(phoneId);
     }
 
     @Override
     public EntityExternalIdentifier addExternalIdentifierToEntity(EntityExternalIdentifier externalId) {
         return getInnerIdentityService().addExternalIdentifierToEntity(externalId);
     }
 
     @Override
     public EntityExternalIdentifier updateExternalIdentifier(EntityExternalIdentifier externalId) {
         return getInnerIdentityService().updateExternalIdentifier(externalId);
     }
 
     @Override
     public EntityAffiliation addAffiliationToEntity(EntityAffiliation affiliation) {
         return getInnerIdentityService().addAffiliationToEntity(affiliation);
     }
 
     @Override
     public EntityAffiliation updateAffiliation(EntityAffiliation affiliation) {
         return getInnerIdentityService().updateAffiliation(affiliation);
     }
 
     @Override
     public EntityAffiliation inactivateAffiliation(String id) {
         return getInnerIdentityService().inactivateAffiliation(id);
     }
 
 
 	private IdentityService getInnerIdentityService() {
 		return innerIdentityService;
 	}
 	
 	private IdentityArchiveService getIdentityArchiveService() {
 		return identityArchiveService;
 	}
 }