/*

  * Copyright 2007-2009 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.kew.docsearch;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.util.KeyLabelPair;

 import org.kuali.rice.kew.doctype.ApplicationDocumentStatus;

 import org.kuali.rice.kew.doctype.bo.DocumentType;

 import org.kuali.rice.kew.engine.node.RouteNode;

 import org.kuali.rice.kew.lookup.valuefinder.DocumentRouteStatusValuesFinder;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.kew.util.KEWConstants;

 import org.kuali.rice.kns.service.DataDictionaryService;

 import org.kuali.rice.kns.util.FieldUtils;

 import org.kuali.rice.kns.web.ui.Field;

 import org.kuali.rice.kns.web.ui.Row;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.Set;

 /**

  * This is a description of what this class does - chris don't forget to fill this in.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class DocumentLookupCriteriaProcessorKEWAdapter implements

                 DocumentLookupCriteriaProcessor {

         DocumentSearchCriteriaProcessor criteriaProcessor;

         //TODO: remove this and use service locator or try helper in WorkflowUtils if sufficient

         DataDictionaryService dataDictionaryService;

         /**

          * @return the criteriaProcessor

          */

         public DocumentSearchCriteriaProcessor getCriteriaProcessor() {

                 return this.criteriaProcessor;

         }

         public void setCriteriaProcessor(

                         DocumentSearchCriteriaProcessor criteriaProcessor) {

                 this.criteriaProcessor = criteriaProcessor;

         }

         public void setDataDictionaryService(DataDictionaryService dataDictionaryService) {

                 this.dataDictionaryService = dataDictionaryService;

         }

         /**

          * @see org.kuali.rice.kew.docsearch.DocumentLookupCriteriaProcessor#getRows(org.kuali.rice.kew.doctype.bo.DocumentType, java.util.List, boolean, boolean)

          */

         public List<Row> getRows(DocumentType documentType, List<Row> knsRows, boolean detailed, boolean superSearch) {

                 List<Row> rows = new ArrayList<Row>();

                 List<Row> searchAttRows = new ArrayList<Row>();

                 List<List<StandardDocSearchCriteriaFieldContainer>> preSearchAttFields;

                         if(!detailed) {

                                  preSearchAttFields = criteriaProcessor.getBasicSearchManager().getColumnsPreSearchAttributes();

                         } else {

                                  preSearchAttFields = criteriaProcessor.getAdvancedSearchManager().getColumnsPreSearchAttributes();

                         }

                 List<Row> preSearchAttRows = standardNonSearchAttRows(documentType,preSearchAttFields);

                 rows.addAll(preSearchAttRows);

                 if(documentType!=null) {

                         //search atts

                         searchAttRows = searchAttRows(documentType);

                         rows.addAll(searchAttRows);

         }

                 //post atts

                 List<List<StandardDocSearchCriteriaFieldContainer>> postSearchAttFields;

                 if(!detailed) {

                         postSearchAttFields = criteriaProcessor.getBasicSearchManager().getColumnsPostSearchAttributes();

                 } else {

                         postSearchAttFields = criteriaProcessor.getAdvancedSearchManager().getColumnsPostSearchAttributes();

                 }

                 List<Row> postSearchAttRows = standardNonSearchAttRows(documentType,postSearchAttFields);

                 rows.addAll(postSearchAttRows);

                 //add hidden fields

                 Row hidrow = new Row();

                 hidrow.setHidden(true);

                 Field detailedField = new Field();

                 detailedField.setPropertyName("isAdvancedSearch");

                 detailedField.setPropertyValue(detailed?"YES":"NO");

                 detailedField.setFieldType(Field.HIDDEN);

                 Field superUserSearchField = new Field();

                 superUserSearchField.setPropertyName("superUserSearch");

                 superUserSearchField.setPropertyValue(superSearch?"YES":"NO");

                 superUserSearchField.setFieldType(Field.HIDDEN);

                 List<Field> hidFields = new ArrayList<Field>();

                 hidFields.add(detailedField);

                 hidFields.add(superUserSearchField);

                 hidrow.setFields(hidFields);

                 rows.add(hidrow);

                 return rows;

         }

         /**

          * This method ...

          *

      * @param documentType document Type

      * @param fields containing search criteria

      * @return list of row objects

      */

         protected List<Row> standardNonSearchAttRows(DocumentType documentType, List<List<StandardDocSearchCriteriaFieldContainer>> fields) {

                 List<Row> customPreRows = new ArrayList<Row>();

                 for (List<StandardDocSearchCriteriaFieldContainer> list : fields) {

                         for (StandardDocSearchCriteriaFieldContainer standardDocSearchCriteriaFieldContainer : list) {

                                 List<StandardSearchCriteriaField> standardSearchCriteriaFields = standardDocSearchCriteriaFieldContainer.getFields();

                                 for (StandardSearchCriteriaField standardSearchCriteriaField : standardSearchCriteriaFields) {

                                         //for now only one field per row (including for things like from/to etc)

                                         Row row = new Row();

                                         List<Field>knsFields = new ArrayList<Field>();

                                         Field field = new Field();

                                         boolean skipadd = false;

                                         String propertyName = "";

                                         if(StringUtils.contains(standardSearchCriteriaField.getProperty(), ".")) {

                                                 propertyName = StringUtils.substringAfterLast(standardSearchCriteriaField.getProperty(), ".");

                                         } else {

                                                 propertyName = standardSearchCriteriaField.getProperty();

                                         }

                                         field.setPropertyName(propertyName);

                                         //do we care?

                                         //                                field.setBusinessObjectClassName(dataDictionaryService.getattribute);

                                         String fieldType = standardSearchCriteriaField.getFieldType();

                                         String lookupableImplServiceName = standardSearchCriteriaField.getLookupableImplServiceName();

                                         if(lookupableImplServiceName!=null) {

                                                 if(StringUtils.equals("DocumentTypeLookupableImplService", lookupableImplServiceName)) {

                                                         fieldType = Field.TEXT; // KULRICE-2630 - doctype needs to be a text box

                                                         field.setWebOnBlurHandler("validateDocTypeAndRefresh"); // used to call ajax dwr search for doctype

                                                         //TODO: instead of hardcoding these let's see about getting them from spring

                                                         field.setQuickFinderClassNameImpl("org.kuali.rice.kew.doctype.bo.DocumentType");

                                                         field.setFieldConversions("name:"+propertyName);

                                                 } else if (StringUtils.equals("UserLookupableImplService", lookupableImplServiceName)) {

                                                         fieldType = Field.TEXT;

                                                         field.setQuickFinderClassNameImpl("org.kuali.rice.kim.bo.impl.PersonImpl");

                                                         field.setFieldConversions("principalName:"+propertyName);

                                                 } else if (StringUtils.equals("WorkGroupLookupableImplService", lookupableImplServiceName)) {

                                                         field.setQuickFinderClassNameImpl("org.kuali.rice.kim.bo.impl.GroupImpl");

                                                         fieldType = Field.LOOKUP_READONLY;

                                                         field.setFieldConversions("groupName:"+propertyName+","+"groupId:"+StandardDocumentSearchCriteriaProcessor.CRITERIA_KEY_WORKGROUP_VIEWER_ID);

                                                 }

                                         }

                                         boolean fieldHidden = standardSearchCriteriaField.isHidden();

                                         if(fieldHidden) {

                                                 fieldType = Field.HIDDEN;

                                                 row.setHidden(true);

                                         }

                                         field.setFieldType(fieldType);

                                         //now calling the dd to get size.

                                         Integer maxLen = dataDictionaryService.getAttributeMaxLength(DocSearchCriteriaDTO.class, propertyName);

                                         if(maxLen != null){

                                                 field.setMaxLength(maxLen.intValue());

                                         }

                                         else{

                                                 field.setMaxLength(40);

                                         }

                                         //TODO: special processing for some field types

                                         if(StringUtils.equals(StandardSearchCriteriaField.DROPDOWN,fieldType)||

                                            StringUtils.equals(StandardSearchCriteriaField.DROPDOWN_HIDE_EMPTY, fieldType)){

                                                 if(StringUtils.equals(StandardSearchCriteriaField.DROPDOWN_HIDE_EMPTY,fieldType)) {

                                                         field.setFieldType(Field.DROPDOWN);

                                                         field.setSkipBlankValidValue(true);

                                                 }

                                                 if("documentRouteStatus".equalsIgnoreCase(standardSearchCriteriaField.getOptionsCollectionProperty())) {

                                                         DocumentRouteStatusValuesFinder values = new DocumentRouteStatusValuesFinder();

                                                         field.setFieldValidValues(values.getKeyValues());

                                                         field.setFieldType(Field.MULTISELECT); // this is now multi select [KULRICE-2840]

                                                         int size = (values.getKeyValues().size() > 10)?10:values.getKeyValues().size();

                                                         field.setMaxLength(size);

                                                 } else if("routeNodes".equalsIgnoreCase(standardSearchCriteriaField.getOptionsCollectionProperty())){

                                                         if(documentType!=null) {

                                                                 //TODO: can these be used directly in values finder also there is an option key and value property that could probably be used by all of these

                                                                 List<KeyLabelPair> keyValues = new ArrayList<KeyLabelPair>();

                                                                 List<RouteNode> routeNodes = KEWServiceLocator.getRouteNodeService().getFlattenedNodes(documentType, true);

                                                                 for (RouteNode routeNode : routeNodes) {

                                                                         keyValues.add(new KeyLabelPair(routeNode.getRouteNodeId()+"",routeNode.getRouteNodeName()));

                                                                 }

                                                                 field.setFieldValidValues(keyValues);

                                                                 //TODO: fix this in criteria this field shouldn't be blank values otherwise have to reset this for some reason

                                                                 field.setSkipBlankValidValue(false);

                                                         } else {

                                                                 field.setFieldType(Field.READONLY);

                                                         }

                                                 } else if("qualifierLogic".equalsIgnoreCase(standardSearchCriteriaField.getOptionsCollectionProperty())){

                                                         if(documentType==null){

                                                                 //FIXME: definitely not the best place for this

                                                                 skipadd=true;

                                                         }

                                                         //TODO: move to values finder class

                                                         List<KeyLabelPair> keyValues = new ArrayList<KeyLabelPair>();

                                                         Set<String> docStatusKeys = KEWConstants.DOC_SEARCH_ROUTE_STATUS_QUALIFIERS.keySet();

                                                         for (String string : docStatusKeys) {

                                                                 KeyLabelPair keyLabel = new KeyLabelPair(string,KEWConstants.DOC_SEARCH_ROUTE_STATUS_QUALIFIERS.get(string));

                                                                 keyValues.add(keyLabel);

                                                         }

                                                         field.setFieldValidValues(keyValues);

                                                 } else if("validApplicationStatuses".equalsIgnoreCase(standardSearchCriteriaField.getOptionsCollectionProperty())){

                                                         if(documentType!=null) {

                                                                 //TODO: can these be used directly in values finder also there is an option key and value property that could probably be used by all of these

                                                                 List<KeyLabelPair> keyValues = new ArrayList<KeyLabelPair>();

                                                                 List<ApplicationDocumentStatus> validStatuses = documentType.getValidApplicationStatuses();

                                                                 for (ApplicationDocumentStatus appStatus : (List<ApplicationDocumentStatus>) validStatuses) {

                                                                         keyValues.add(new KeyLabelPair(appStatus.getStatusName(),appStatus.getStatusName()));

                                                                 }

                                                                 field.setFieldValidValues(keyValues);

                                                                 //TODO: fix this in criteria this field shouldn't be blank values otherwise have to reset this for some reason

                                                                 field.setSkipBlankValidValue(false);

                                                         } else {

                                                                 field.setFieldType(Field.READONLY);

                                                                 skipadd=true;

                                                         }

                                                 } else {

                                                         field.setFieldValidValues(new ArrayList<KeyLabelPair>());

                                                 }

                                         }

                                         if(StringUtils.isEmpty(field.getFieldLabel())) {                                                 

                                                 String labelMessageKey = dataDictionaryService.getAttributeLabel(DocSearchCriteriaDTO.class,propertyName);

                                                 field.setFieldLabel(labelMessageKey);

                                         }

                                         boolean hasDatePicker = StringUtils.isNotEmpty(standardSearchCriteriaField.getDatePickerKey());

                                         field.setDatePicker(hasDatePicker);

                                         if(!skipadd) {

                                                 knsFields.add(field);

                                                 row.setFields(knsFields);

                                                 customPreRows.add(row);

                                         }

                                 }

                         }

                 }

                 return customPreRows;

         }

         /**

          * This method gets the search att rows and fixes them where necessary

          *

      * @param documentType seach on att rows

      * @return list of rows

      */

         protected List<Row> searchAttRows(DocumentType documentType) {

                 List<Row> customSearchAttRows = new ArrayList<Row>();

                 List<SearchableAttribute> searchAtts = documentType.getSearchableAttributes();

                 for (SearchableAttribute searchableAttribute : searchAtts) {

                         DocumentSearchContext documentSearchContext = DocSearchUtils.getDocumentSearchContext("", documentType.getName(), "");

                         customSearchAttRows.addAll(searchableAttribute.getSearchingRows(documentSearchContext));

                 }

                 List<Row> fixedCustomSearchAttRows = new ArrayList<Row>();

                 for (Row row : customSearchAttRows) {

                         List<Field> fields = row.getFields();

                         for (Field field : fields) {

                                 //force the max length for now if not set

                                 if(field.getMaxLength()==0) {

                                         field.setMaxLength(100);

                                 }

                                 if(field.isDatePicker() && field.isRanged()) {

                                         Field newDate = FieldUtils.createRangeDateField(field);

                                         List<Field> newFields = new ArrayList<Field>();

                                         newFields.add(newDate);

                                         fixedCustomSearchAttRows.addAll(FieldUtils.wrapFields(newFields));

                                 }

                         }

                         fixedCustomSearchAttRows.add(row);

                 }

                 // If Application Document Status policy is in effect for this document type,

                 // add search attributes for document status, and transition dates.

                 // Note: document status field is a drop down if valid statuses are defined,

                 //       a text input field otherwise.

                 fixedCustomSearchAttRows.addAll( buildAppDocStatusRows(documentType) );

                 return fixedCustomSearchAttRows;

         }

         // Add the appropriate doc search criteria rows.

         // If the document type policy DOCUMENT_STATUS_POLICY is set to "app", or "both"

         // Then display the doc search criteria fields.

         // If the documentType.validApplicationStatuses are defined, then the criteria field is a drop down.

         // If the validApplication statuses are NOT defined, then the criteria field is a text input.

         protected List<Row> buildAppDocStatusRows(DocumentType documentType){

                 List<Row> appDocStatusRows = new ArrayList<Row>();

                 List<List<StandardDocSearchCriteriaFieldContainer>> columnList = new ArrayList<List<StandardDocSearchCriteriaFieldContainer>>();

                 List<StandardDocSearchCriteriaFieldContainer> columns = new ArrayList<StandardDocSearchCriteriaFieldContainer>();

                 if (documentType.isAppDocStatusInUse()){

                         StandardDocSearchCriteriaFieldContainer container = new StandardDocSearchCriteriaFieldContainer();

                         List<ApplicationDocumentStatus> validStatuses = documentType.getValidApplicationStatuses();

                         if (validStatuses == null || validStatuses.size() == 0){

                                 // use a text input field

                                 container = new StandardDocSearchCriteriaFieldContainer("docSearch.DocumentSearch.criteria.label.appDocStatus", new StandardSearchCriteriaField(DocumentSearchCriteriaProcessor.CRITERIA_KEY_APP_DOC_STATUS,"criteria.appDocStatus",StandardSearchCriteriaField.TEXT,null,null,"DocSearchApplicationDocStatus",false,null,null,false));

                         } else {        

                                 // dropdown

                                 container.setLabelMessageKey("docSearch.DocumentSearch.criteria.label.appDocStatus");

                                 container.setFieldKey(DocumentSearchCriteriaProcessor.CRITERIA_KEY_APP_DOC_STATUS);

                                 StandardSearchCriteriaField dropDown = new StandardSearchCriteriaField(DocumentSearchCriteriaProcessor.CRITERIA_KEY_APP_DOC_STATUS + "_VALUES","criteria.appDocStatus",StandardSearchCriteriaField.DROPDOWN_HIDE_EMPTY,null,null,"DocSearchApplicationDocStatus",false,null,null,false);

                                 dropDown.setOptionsCollectionProperty("validApplicationStatuses");

                                 dropDown.setCollectionKeyProperty("statusName");

                                 dropDown.setCollectionLabelProperty("statusName");

                                 dropDown.setEmptyCollectionMessage("Select a document status.");

                                 container.addField(dropDown);

                         }

                         // Create Date Picker fields for AppDocStatus transitions

                     List<StandardSearchCriteriaField> dateFields = new ArrayList<StandardSearchCriteriaField>();

                     dateFields.add(new StandardSearchCriteriaField(DocumentSearchCriteriaProcessor.CRITERIA_KEY_STATUS_TRANSITION_DATE + DocumentSearchCriteriaProcessor.CRITERIA_KEYS_SUFFIX_RANGE_LOWER_BOUND,"fromStatusTransitionDate",StandardSearchCriteriaField.TEXT,"fromStatusTransitionDate","docSearch.DocumentSearch.criteria.label.from","DocSearchStatusTransitionDate",false,null,null,false));

                     dateFields.add(new StandardSearchCriteriaField(DocumentSearchCriteriaProcessor.CRITERIA_KEY_STATUS_TRANSITION_DATE + DocumentSearchCriteriaProcessor.CRITERIA_KEYS_SUFFIX_RANGE_UPPER_BOUND,"toStatusTransitionDate",StandardSearchCriteriaField.TEXT,"toStatusTransitionDate","docSearch.DocumentSearch.criteria.label.to",null,false,null,null,false));

                     StandardDocSearchCriteriaFieldContainer dateContainer = new StandardDocSearchCriteriaFieldContainer(DocumentSearchCriteriaProcessor.CRITERIA_KEY_STATUS_TRANSITION_DATE, "docSearch.DocumentSearch.criteria.label.statusTransitionDate", dateFields);

                         columns.add( container );

                         columns.add( dateContainer );

                         columnList.add( columns );

                         appDocStatusRows.addAll( standardNonSearchAttRows(documentType,columnList) );

                 }

                 return appDocStatusRows;

         }

         /**

          *

          * @see org.kuali.rice.kns.lookup.LookupableHelperService#shouldDisplayHeaderNonMaintActions()

          */

         public boolean shouldDisplayHeaderNonMaintActions() {

                 return criteriaProcessor.isHeaderBarDisplayed();

         }

         /**

          *

          * @see org.kuali.rice.kns.lookup.LookupableHelperService#shouldDisplayLookupCriteria()

          */

         public boolean shouldDisplayLookupCriteria() {

                 //TODO: chris - How should this handle advanced?  I thought we were only hiding main

                 return criteriaProcessor.isBasicSearchCriteriaDisplayed();

         }

 }