/**

  * Copyright 2010 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.osedu.org/licenses/ECL-2.0

  *

  * 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.student.core.organization.assembly;

 import static org.kuali.student.common.assembly.util.AssemblerUtils.addVersionIndicator;

 import static org.kuali.student.common.assembly.util.AssemblerUtils.getVersionIndicator;

 import static org.kuali.student.common.assembly.util.AssemblerUtils.isModified;

 import static org.kuali.student.common.assembly.util.AssemblerUtils.setCreated;

 import static org.kuali.student.common.assembly.util.AssemblerUtils.setUpdated;

 import java.util.ArrayList;

 import java.util.List;

 import org.apache.log4j.Logger;

 import org.kuali.rice.kim.bo.types.dto.AttributeSet;

 import org.kuali.student.common.assembly.data.AssemblyException;

 import org.kuali.student.common.assembly.data.Data;

 import org.kuali.student.common.assembly.data.Metadata;

 import org.kuali.student.common.assembly.data.QueryPath;

 import org.kuali.student.common.assembly.old.BaseAssembler;

 import org.kuali.student.common.assembly.old.data.SaveResult;

 import org.kuali.student.common.dto.MetaInfo;

 import org.kuali.student.common.exceptions.AlreadyExistsException;

 import org.kuali.student.common.exceptions.DataValidationErrorException;

 import org.kuali.student.common.exceptions.DoesNotExistException;

 import org.kuali.student.common.exceptions.InvalidParameterException;

 import org.kuali.student.common.exceptions.MissingParameterException;

 import org.kuali.student.common.exceptions.OperationFailedException;

 import org.kuali.student.common.exceptions.PermissionDeniedException;

 import org.kuali.student.common.exceptions.VersionMismatchException;

 import org.kuali.student.common.ui.client.mvc.DataModel;

 import org.kuali.student.common.ui.client.mvc.DataModelDefinition;

 import org.kuali.student.common.validation.dto.ValidationResultInfo;

 import org.kuali.student.core.organization.assembly.data.server.OrgInfoData;

 import org.kuali.student.core.organization.assembly.data.server.OrgInfoData.ModificationState;

 import org.kuali.student.core.organization.assembly.data.server.org.OrgHelper;

 import org.kuali.student.core.organization.dto.OrgInfo;

 import org.kuali.student.core.organization.dto.OrgOrgRelationInfo;

 import org.kuali.student.core.organization.dto.OrgPositionRestrictionInfo;

 import org.kuali.student.core.organization.service.OrganizationService;

 import org.springframework.transaction.annotation.Transactional;

 @Transactional(readOnly=true,rollbackFor={Throwable.class})

 public class OrgProposalAssembler extends BaseAssembler<Data, OrgHelper>{

         final Logger LOG = Logger.getLogger(OrgProposalAssembler.class);

     private OrganizationService orgService;

     public static  String PROPOSAL_TYPE_CREATE_ORG = "kuali.proposal.type.org.create";

     public static  String ORG_PROPOSAL_DATA_TYPE = "OrgProposal";

     public static final String ORG_INFO_PATH                  = "orgInfo";

     public static final String QUALIFICATION_ORG_ID                 = "orgId";

     public static final String PERM_DTO_NAME                 = "Organization";

     private Metadata metadata;

     private DataModel orgProposalModel = new DataModel();

     public OrgProposalAssembler(){

     }

 //    public OrgProposalAssembler(OrganizationService orgService,MetadataServiceImpl metadataService){

 //        this.orgService=orgService;

 //        this.metadataService=metadataService;

 //    }

     private void setMetadata(String orgId){

         try {

             this.metadata=getMetadata(QUALIFICATION_ORG_ID, orgId, null, null);

         } catch (AssemblyException e) {

             LOG.error(e);

         }

     }

     @Override

     public Data assemble(OrgHelper input) throws AssemblyException {

         if (input == null) {

             return null;

         }

         Data result = new Data();

         return result;

     }

     @Override

     public OrgHelper disassemble(Data input) throws AssemblyException {

         if (input == null) {

             return null;

         }

 //        OrgHelper result = new OrgHelper();

 //        copyIfExists(input,result,"orgInfo");

         return null;

     }

     @Override

     public Data get(String id) throws AssemblyException {

         if(metadata==null){

             setMetadata(id);

         }

         OrgInfo orgInfo = new OrgInfo();

         List<OrgPositionRestrictionInfo> positions = new ArrayList<OrgPositionRestrictionInfo>();

         List<OrgOrgRelationInfo> relations = new ArrayList<OrgOrgRelationInfo>();

         Data result = new Data();

 //      SaveResult<Data> result = new SaveResult<Data>();

         try{

             orgInfo = orgService.getOrganization(id);

             OrgInfoData orgInfoData = new OrgInfoData();

             orgInfoData.setOrgInfo(orgInfo);

             OrgHelper resultOrg = buildOrgDataMap(orgInfoData);

             OrgOrgRelationAssembler orgOrgRelationAssembler = new OrgOrgRelationAssembler();

             orgOrgRelationAssembler.setMetaData(metadata);

             orgOrgRelationAssembler.setOrgService(orgService);

             OrgPositionRestrictionAssembler orgPositionRestrictionAssembler= new OrgPositionRestrictionAssembler();

             orgPositionRestrictionAssembler.setOrgService(orgService);

             orgPositionRestrictionAssembler.setMetaData(metadata);

             OrgPersonRelationAssembler orgPersonRelationAssembler = new OrgPersonRelationAssembler();

             orgPersonRelationAssembler.setMetaData(metadata);

             orgPersonRelationAssembler.setOrgService(orgService);

             Data orgOrgRelationMap = orgOrgRelationAssembler.get(id);

             Data orgPositionMap = orgPositionRestrictionAssembler.get(id);

             Data orgRelationMap = orgPersonRelationAssembler.get(id);

             result.set("orgInfo", resultOrg.getData());

             result.set("orgOrgRelationInfo", orgOrgRelationMap);

             result.set("OrgPositionRestrictionInfo", orgPositionMap);

             result.set("orgPersonRelationInfo", orgRelationMap);

         }

         catch(Exception e){

                 LOG.error(e);

         }

         return result;

     }

     @Override

         @Transactional(readOnly=false)

     public SaveResult<Data> save(Data input) throws AssemblyException {

         // TODO Neerav Agrawal - THIS METHOD NEEDS JAVADOCS

         OrgHelper orgHelper = OrgHelper.wrap((Data)input.get("orgInfo"));

         if(metadata==null){

             setMetadata(orgHelper.getId());

         }

         OrgInfoData orgInfoData = buildOrgInfo(orgHelper);

         SaveResult<Data> result = new SaveResult<Data>();

         List<ValidationResultInfo> validationResults = validate(input);

 //        result.setValidationResults(validationResults);

         try {

             saveOrg(orgInfoData);   //orgInfoData contains the dto for OrgInfo

 //            OrgHelper resultOrg = buildOrgDataMap(orgInfoData);   //this will create the Data Map for the returned OrgInfo dto

 //            Data samp = new Data();

 //            Data resultData = new Data();

 //            resultData.set("orgInfo", resultOrg.getData());       //Set the map to the key "orgInfo"

             String orgId = orgInfoData.getOrgInfo().getId();

             addVersionIndicator(orgHelper.getData(),OrgInfo.class.getName(),orgId,orgInfoData.getOrgInfo().getMetaInfo().getVersionInd());

             orgHelper.setId(orgId);

             if(orgId!=null&&input.get("orgOrgRelationInfo")!=null){

 //                OrgorgRelationHelper orgOrgRelation=  OrgorgRelationHelper.wrap(input);

                 OrgOrgRelationAssembler orgOrgRelationAssembler = new OrgOrgRelationAssembler();

                 orgOrgRelationAssembler.setMetaData(metadata);

                 orgOrgRelationAssembler.setOrgService(orgService);

                 Data relationData = orgOrgRelationAssembler.save(input).getValue();

             }

             if(orgId!=null&&input.get("OrgPositionRestrictionInfo")!=null){

                 OrgPositionRestrictionAssembler orgPositionRestrictionAssembler= new OrgPositionRestrictionAssembler();

                 orgPositionRestrictionAssembler.setMetaData(metadata);

                 orgPositionRestrictionAssembler.setOrgService(orgService);

                 Data positionData = orgPositionRestrictionAssembler.save(input).getValue();

             }

             if(orgId!=null&&input.get("orgPersonRelationInfo")!=null){

                 OrgPersonRelationAssembler orgPersonRelationAssembler= new OrgPersonRelationAssembler();

                 orgPersonRelationAssembler.setMetaData(metadata);

                 orgPersonRelationAssembler.setOrgService(orgService);

                 Data relationData = orgPersonRelationAssembler.save(input).getValue();

             }

             result.setValue((orgId == null) ? null : get(orgId));

         } catch (Exception e) {

             LOG.error(e);

             throw(new AssemblyException());

         }

         return result;

     }

     public void setOrgService(OrganizationService service){

         orgService = service;

     }

     private OrgInfoData buildOrgInfo(OrgHelper org){

         OrgInfo orgInfo = new OrgInfo();

         OrgInfoData result = new OrgInfoData();

         orgInfo.setType(org.getType());

         orgInfo.setLongDesc(org.getDescription());

         orgInfo.setShortName(org.getAbbreviation());

         orgInfo.setLongName(org.getName());

         orgInfo.setEffectiveDate(org.getEffectiveDate());

         orgInfo.setExpirationDate(org.getExpirationDate());

         if(org.getId()!=null){

             orgInfo.setId(org.getId());

         }

         if (isModified(org.getData())) {

 //           if (isUpdated(org.getData())) {

                 MetaInfo metaInfo = new MetaInfo();

                 orgInfo.setMetaInfo(metaInfo);

                 result.setModificationState(ModificationState.UPDATED);

 //            } else if (isDeleted(org.getData())) {

 //                result.setModificationState(ModificationState.DELETED);

 //            }

         }

         else{

             setCreated(org.getData(), true);

             result.setModificationState(ModificationState.CREATED);

         }

         if(orgInfo.getMetaInfo()!=null){

             orgInfo.getMetaInfo().setVersionInd(getVersionIndicator(org.getData()));

         }

 //        result.setModificationState(ModificationState.CREATED);

         result.setOrgInfo(orgInfo);

         return result;

     }

     private void saveOrg(OrgInfoData input) throws AlreadyExistsException, DataValidationErrorException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException, DoesNotExistException, VersionMismatchException {

         OrgInfo result = null;

         OrgInfo orgInfo = input.getOrgInfo();

         DataModelDefinition def = new DataModelDefinition(metadata);

         orgProposalModel.setDefinition(def);

         QueryPath metaPath = QueryPath.concat(null, ORG_INFO_PATH);

         Metadata orgProposalMeta =orgProposalModel.getMetadata(metaPath);

         if (input.getModificationState() != null) {

             if (orgProposalMeta.isCanEdit()) {

                 switch (input.getModificationState()) {

                     case CREATED:

                         result = orgService.createOrganization(orgInfo.getType(), orgInfo);

                         break;

                     case UPDATED:

                         result = orgService.updateOrganization(orgInfo.getId(), orgInfo);

                     default:

                 }

             }

         }

         if (result != null) {

             input.setOrgInfo(result);

         }

     }

     @Override

     public List<ValidationResultInfo> validate(Data input) throws AssemblyException {

         // TODO Neerav Agrawal - THIS METHOD NEEDS JAVADOCS

         return null;

     }

     private <T extends Data> T copyIfExists(Data source, T target, String key) {

         Data d = source.get(key);

         if (d == null) {

             return null;

         } else {

             d.copy(target, false);

             source.set(key, target);

             return target;

         }

     }

     private OrgHelper buildOrgDataMap(OrgInfoData orgInfoData){

         OrgHelper org =  OrgHelper.wrap(new Data());

         org.setId(orgInfoData.getOrgInfo().getId());

         org.setType(orgInfoData.getOrgInfo().getType());

         org.setName(orgInfoData.getOrgInfo().getLongName());

         org.setAbbreviation(orgInfoData.getOrgInfo().getShortName());

         org.setDescription(orgInfoData.getOrgInfo().getLongDesc());

         org.setEffectiveDate(orgInfoData.getOrgInfo().getEffectiveDate());

         org.setExpirationDate(orgInfoData.getOrgInfo().getExpirationDate());

         setUpdated(org.getData(), true);

         addVersionIndicator(org.getData(),OrgInfo.class.getName(),orgInfoData.getOrgInfo().getId(),orgInfoData.getOrgInfo().getMetaInfo().getVersionInd());

         return org;

     }

         @Override

     protected String getDataType() {

         return ORG_PROPOSAL_DATA_TYPE;

     }

     @Override

     protected String getDocumentPropertyName() {

         return "course";

     }

     @Override

     protected String getDtoName() {

         return PERM_DTO_NAME;

     }

     @Override

     protected AttributeSet getQualification(String idType, String id) {

         AttributeSet qualification = null;

         if(id!=null&&!id.isEmpty()){

          qualification = new AttributeSet();

         /*String DOCUMENT_TYPE_NAME = "documentTypeName";

         //FIXME: should this be something like org.proposal?

         qualification.put(DOCUMENT_TYPE_NAME, "Organization");*/

         qualification.put(idType, id);

         }

         return qualification;

     }

 }