/**

  * Copyright 2005-2011 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.hibernate.annotations.GenericGenerator;

 import org.hibernate.annotations.Parameter;

 import org.kuali.rice.core.api.search.SearchOperator;

 import org.kuali.rice.core.framework.persistence.jdbc.sql.SQLUtils;

 import org.kuali.rice.core.framework.persistence.jpa.OrmUtils;

 import org.kuali.rice.kew.api.document.attribute.DocumentAttributeFactory;

 import org.kuali.rice.kew.api.document.attribute.DocumentAttributeInteger;

 import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;

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

 import org.kuali.rice.kew.api.KewApiConstants;

 import javax.persistence.CascadeType;

 import javax.persistence.Column;

 import javax.persistence.Entity;

 import javax.persistence.FetchType;

 import javax.persistence.GeneratedValue;

 import javax.persistence.Id;

 import javax.persistence.JoinColumn;

 import javax.persistence.ManyToOne;

 import javax.persistence.NamedQueries;

 import javax.persistence.NamedQuery;

 import javax.persistence.Table;

 import javax.persistence.Transient;

 import java.io.Serializable;

 import java.math.BigInteger;

 import java.sql.ResultSet;

 import java.sql.SQLException;

 import java.text.DecimalFormat;

 import java.text.NumberFormat;

 import java.util.Arrays;

 import java.util.List;

 import java.util.regex.Matcher;

 import java.util.regex.Pattern;

 /**

  *

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

  */

 @Entity

 @Table(name="KREW_DOC_HDR_EXT_LONG_T")

 //@Sequence(name="KREW_SRCH_ATTR_S",property="searchableAttributeValueId")

 @NamedQueries({

         @NamedQuery(name="SearchableAttributeLongValue.FindByDocumentId", query="select s from SearchableAttributeLongValue as s where s.documentId = :documentId"),

         @NamedQuery(name="SearchableAttributeLongValue.FindByKey", query="select s from SearchableAttributeLongValue as s where s.documentId = :documentId and s.searchableAttributeKey = :searchableAttributeKey")

 })

 public class SearchableAttributeLongValue implements SearchableAttributeValue, Serializable {

     private static final long serialVersionUID = 5786144436732198346L;

     private static final String ATTRIBUTE_DATABASE_TABLE_NAME = "KREW_DOC_HDR_EXT_LONG_T";

     private static final boolean DEFAULT_WILDCARD_ALLOWANCE_POLICY = false;

     private static final boolean ALLOWS_RANGE_SEARCH = true;

     private static final boolean ALLOWS_CASE_INSENSITIVE_SEARCH = false;

     private static final String DEFAULT_VALIDATION_REGEX_EXPRESSION = "^-?[0-9]+$";

     private static final String ATTRIBUTE_XML_REPRESENTATION = KewApiConstants.SearchableAttributeConstants.DATA_TYPE_LONG;

     private static final String DEFAULT_FORMAT_PATTERN = "#";

     @Id

     @GeneratedValue(generator="KREW_SRCH_ATTR_S")

         @GenericGenerator(name="KREW_SRCH_ATTR_S",strategy="org.hibernate.id.enhanced.SequenceStyleGenerator",parameters={

                         @Parameter(name="sequence_name",value="KREW_SRCH_ATTR_S"),

                         @Parameter(name="value_column",value="id")

         })

         @Column(name="DOC_HDR_EXT_LONG_ID")

         private String searchableAttributeValueId;

     @Column(name="KEY_CD")

         private String searchableAttributeKey;

     @Column(name="VAL")

         private Long searchableAttributeValue;

     @Transient

     protected String ojbConcreteClass; // attribute needed for OJB polymorphism - do not alter!

     @Column(name="DOC_HDR_ID")

         private String documentId;

     @ManyToOne(fetch=FetchType.EAGER, cascade={CascadeType.PERSIST})

         @JoinColumn(name="DOC_HDR_ID", insertable=false, updatable=false)

         private DocumentRouteHeaderValue routeHeader;

     /**

      * Default constructor.

      */

     public SearchableAttributeLongValue() {

         super();

         this.ojbConcreteClass = this.getClass().getName();

     }

     /* (non-Javadoc)

      * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#setupAttributeValue(java.lang.String)

      */

     public void setupAttributeValue(String value) {

         this.setSearchableAttributeValue(convertStringToLong(value));

     }

     private Long convertStringToLong(String value) {

         if (org.apache.commons.lang.StringUtils.isEmpty(value)) {

             return null;

         } else {

             return Long.valueOf(value);

         }

     }

         /* (non-Javadoc)

          * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#setupAttributeValue(java.sql.ResultSet, java.lang.String)

          */

         public void setupAttributeValue(ResultSet resultSet, String columnName) throws SQLException {

                 this.setSearchableAttributeValue(resultSet.getLong(columnName));

         }

     /* (non-Javadoc)

      * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#getSearchableAttributeDisplayValue(java.util.Map)

      */

     public String getSearchableAttributeDisplayValue() {

         NumberFormat format = DecimalFormat.getInstance();

         ((DecimalFormat)format).applyPattern(DEFAULT_FORMAT_PATTERN);

         return format.format(getSearchableAttributeValue().longValue());

     }

         /* (non-Javadoc)

          * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#getAttributeDataType()

          */

         public String getAttributeDataType() {

                 return ATTRIBUTE_XML_REPRESENTATION;

         }

         /* (non-Javadoc)

          * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#getAttributeTableName()

          */

         public String getAttributeTableName() {

                 return ATTRIBUTE_DATABASE_TABLE_NAME;

         }

     /* (non-Javadoc)

          * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#allowsWildcardsByDefault()

          */

         public boolean allowsWildcards() {

                 return DEFAULT_WILDCARD_ALLOWANCE_POLICY;

         }

     /* (non-Javadoc)

          * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#allowsCaseInsensitivity()

          */

         public boolean allowsCaseInsensitivity() {

                 return ALLOWS_CASE_INSENSITIVE_SEARCH;

         }

     /* (non-Javadoc)

          * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#allowsRangeSearches()

          */

         public boolean allowsRangeSearches() {

                 return ALLOWS_RANGE_SEARCH;

         }

         /* (non-Javadoc)

          * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#isPassesDefaultValidation()

          */

         public boolean isPassesDefaultValidation(String valueEntered) {

             boolean bRet = true;

             boolean bSplit = false;

                 if (StringUtils.contains(valueEntered, SearchOperator.BETWEEN.op())) {

                         List<String> l = Arrays.asList(valueEntered.split("\\.\\."));

                         for(String value : l){

                                 bSplit = true;

                                 if(!isPassesDefaultValidation(value)){

                                         bRet = false;

                                 }

                         }

                 }

                 if (StringUtils.contains(valueEntered, SearchOperator.OR.op())) {

                         //splitValueList.addAll(Arrays.asList(StringUtils.split(valueEntered, KRADConstants.OR_LOGICAL_OPERATOR)));

                         List<String> l = Arrays.asList(StringUtils.split(valueEntered, SearchOperator.OR.op()));

                         for(String value : l){

                                 bSplit = true;

                                 if(!isPassesDefaultValidation(value)){

                                         bRet = false;

                                 }

                         }

                 }

                 if (StringUtils.contains(valueEntered, SearchOperator.AND.op())) {

                         //splitValueList.addAll(Arrays.asList(StringUtils.split(valueEntered, KRADConstants.AND_LOGICAL_OPERATOR)));

                         List<String> l = Arrays.asList(StringUtils.split(valueEntered, SearchOperator.AND.op()));

                         for(String value : l){

                                 bSplit = true;

                                 if(!isPassesDefaultValidation(value)){

                                         bRet = false;

                                 }

                         }

                 }

                 if(bSplit){

                         return bRet;

                 }

                 Pattern pattern = Pattern.compile(DEFAULT_VALIDATION_REGEX_EXPRESSION);

                 Matcher matcher = pattern.matcher(SQLUtils.cleanNumericOfValidOperators(valueEntered).trim());

                 if(!matcher.matches()){

                         bRet = false;

                 }

                 return bRet;

     }

     /* (non-Javadoc)

      * @see org.kuali.rice.kew.docsearch.SearchableAttributeValue#isRangeValid(java.lang.String, java.lang.String)

      */

     public Boolean isRangeValid(String lowerValue, String upperValue) {

         if (allowsRangeSearches()) {

             Long lower = convertStringToLong(lowerValue);

             Long upper = convertStringToLong(upperValue);

             if ( (lower != null) && (upper != null) ) {

                 return (lower.compareTo(upper) <= 0);

             }

             return true;

         }

         return null;

     }

     public String getOjbConcreteClass() {

         return ojbConcreteClass;

     }

     public void setOjbConcreteClass(String ojbConcreteClass) {

         this.ojbConcreteClass = ojbConcreteClass;

     }

     public DocumentRouteHeaderValue getRouteHeader() {

         return routeHeader;

     }

     public void setRouteHeader(DocumentRouteHeaderValue routeHeader) {

         this.routeHeader = routeHeader;

     }

     public String getDocumentId() {

         return documentId;

     }

     public void setDocumentId(String documentId) {

         this.documentId = documentId;

     }

     public String getSearchableAttributeKey() {

         return searchableAttributeKey;

     }

     public void setSearchableAttributeKey(String searchableAttributeKey) {

         this.searchableAttributeKey = searchableAttributeKey;

     }

     public Long getSearchableAttributeValue() {

         return searchableAttributeValue;

     }

     public void setSearchableAttributeValue(Long searchableAttributeValue) {

         this.searchableAttributeValue = searchableAttributeValue;

     }

     public String getSearchableAttributeValueId() {

         return searchableAttributeValueId;

     }

     public void setSearchableAttributeValueId(String searchableAttributeValueId) {

         this.searchableAttributeValueId = searchableAttributeValueId;

     }

         //@PrePersist

         public void beforeInsert(){

                 OrmUtils.populateAutoIncValue(this, KEWServiceLocator.getEntityManagerFactory().createEntityManager());

         }

     @Override

     public DocumentAttributeInteger toDocumentAttribute() {

         BigInteger integer = null;

         if (getSearchableAttributeValue() != null) {

             integer = BigInteger.valueOf(getSearchableAttributeValue().longValue());

         }

         return DocumentAttributeFactory.createIntegerAttribute(getSearchableAttributeKey(), integer);

     }

 }