/*
    * MoneyWise: Finance Application
    * Copyright 2012-2026. Tony Washer
    *
    * Licensed under the Apache 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.apache.org/licenses/LICENSE-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 io.github.tonywasher.joceanus.moneywise.data.basic;
  
  import io.github.tonywasher.joceanus.oceanus.base.OceanusException;
  import io.github.tonywasher.joceanus.oceanus.date.OceanusDate;
  import io.github.tonywasher.joceanus.oceanus.date.OceanusDateFormatter;
  import io.github.tonywasher.joceanus.oceanus.decimal.OceanusRate;
  import io.github.tonywasher.joceanus.oceanus.format.OceanusDataFormatter;
  import io.github.tonywasher.joceanus.metis.data.MetisDataDifference;
  import io.github.tonywasher.joceanus.metis.data.MetisDataItem.MetisDataFieldId;
  import io.github.tonywasher.joceanus.metis.data.MetisDataItem.MetisDataList;
  import io.github.tonywasher.joceanus.metis.data.MetisDataResource;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldItem;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldSet;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseDeposit.MoneyWiseDepositList;
  import io.github.tonywasher.joceanus.moneywise.exc.MoneyWiseDataException;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataInstanceMap;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataItem;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataMapItem;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataValues;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusEncryptedDataItem;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusEncryptedFieldSet;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusEncryptedPair;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusEncryptedValues;
  import io.github.tonywasher.joceanus.prometheus.views.PrometheusEditSet;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.ListIterator;
  import java.util.Map;
  
  /**
   * DepositRate data type.
   *
   * @author Tony Washer
   */
  public class MoneyWiseDepositRate
          extends PrometheusEncryptedDataItem {
      /**
       * Object name.
       */
      public static final String OBJECT_NAME = MoneyWiseBasicDataType.DEPOSITRATE.getItemName();
  
      /**
       * List name.
       */
      public static final String LIST_NAME = MoneyWiseBasicDataType.DEPOSITRATE.getListName();
  
      /**
       * Report fields.
       */
      private static final PrometheusEncryptedFieldSet<MoneyWiseDepositRate> FIELD_DEFS = PrometheusEncryptedFieldSet.newEncryptedFieldSet(MoneyWiseDepositRate.class);
  
      /*
       * FieldIds.
       */
      static {
          FIELD_DEFS.declareLinkField(MoneyWiseBasicDataType.DEPOSIT);
          FIELD_DEFS.declareEncryptedRateField(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE);
          FIELD_DEFS.declareEncryptedRateField(MoneyWiseBasicResource.DEPOSITRATE_BONUS);
          FIELD_DEFS.declareDateField(MoneyWiseBasicResource.DEPOSITRATE_ENDDATE);
      }
  
      /**
       * Null Date Error.
       */
      public static final String ERROR_NULLDATE = MoneyWiseBasicResource.DEPOSITRATE_ERROR_NULLDATE.getValue();
  
      /**
       * Copy Constructor.
       *
       * @param pList   the list
       * @param pPeriod The Period to copy
       */
      protected MoneyWiseDepositRate(final MoneyWiseDepositRateList pList,
                                     final MoneyWiseDepositRate pPeriod) {
          /* Set standard values */
          super(pList, pPeriod);
      }
  
      /**
       * Edit Constructor.
      *
      * @param pList the list
      */
     public MoneyWiseDepositRate(final MoneyWiseDepositRateList pList) {
         super(pList, 0);
     }
 
     /**
      * Values constructor.
      *
      * @param pList   the List to add to
      * @param pValues the values constructor
      * @throws OceanusException on error
      */
     private MoneyWiseDepositRate(final MoneyWiseDepositRateList pList,
                                  final PrometheusDataValues pValues) throws OceanusException {
         /* Initialise the item */
         super(pList, pValues);
 
         /* Access the formatter */
         final OceanusDataFormatter myFormatter = getDataSet().getDataFormatter();
 
         /* Protect against exceptions */
         try {
             /* Store the Account */
             Object myValue = pValues.getValue(MoneyWiseBasicDataType.DEPOSIT);
             if (myValue instanceof Integer i) {
                 setValueDeposit(i);
             } else if (myValue instanceof String s) {
                 setValueDeposit(s);
             }
 
             /* Store the Rate */
             myValue = pValues.getValue(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE);
             if (myValue instanceof OceanusRate r) {
                 setValueRate(r);
             } else if (myValue instanceof byte[] ba) {
                 setValueRate(ba);
             } else if (myValue instanceof String myString) {
                 setValueRate(myString);
                 setValueRate(myFormatter.parseValue(myString, OceanusRate.class));
             }
 
             /* Store the Bonus */
             myValue = pValues.getValue(MoneyWiseBasicResource.DEPOSITRATE_BONUS);
             if (myValue instanceof OceanusRate r) {
                 setValueBonus(r);
             } else if (myValue instanceof byte[] ba) {
                 setValueBonus(ba);
             } else if (myValue instanceof String myString) {
                 setValueBonus(myString);
                 setValueBonus(myFormatter.parseValue(myString, OceanusRate.class));
             }
 
             /* Store the EndDate */
             myValue = pValues.getValue(MoneyWiseBasicResource.DEPOSITRATE_ENDDATE);
             if (myValue instanceof OceanusDate d) {
                 setValueEndDate(d);
             } else if (myValue instanceof String s) {
                 final OceanusDateFormatter myParser = myFormatter.getDateFormatter();
                 setValueEndDate(myParser.parseDate(s));
             }
 
             /* Catch Exceptions */
         } catch (IllegalArgumentException
                  | OceanusException e) {
             /* Pass on exception */
             throw new MoneyWiseDataException(this, ERROR_CREATEITEM, e);
         }
     }
 
     @Override
     public MetisFieldSetDef getDataFieldSet() {
         return FIELD_DEFS;
     }
 
     @Override
     public boolean includeXmlField(final MetisDataFieldId pField) {
         /* Determine whether fields should be included */
         if (MoneyWiseBasicDataType.DEPOSIT.equals(pField)) {
             return true;
         }
         if (MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE.equals(pField)) {
             return true;
         }
         if (MoneyWiseBasicResource.DEPOSITRATE_BONUS.equals(pField)) {
             return getBonus() != null;
         }
         if (MoneyWiseBasicResource.DEPOSITRATE_ENDDATE.equals(pField)) {
             return getEndDate() != null;
         }
 
         /* Pass call on */
         return super.includeXmlField(pField);
     }
 
     @Override
     public String formatObject(final OceanusDataFormatter pFormatter) {
         return toString();
     }
 
     @Override
     public String toString() {
         /* Access Key Values */
         final PrometheusEncryptedValues myValues = getValues();
         final Object myDeposit = myValues.getValue(MoneyWiseBasicDataType.DEPOSIT);
         final Object myRate = myValues.getValue(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE);
         final Object myEndDate = myValues.getValue(MoneyWiseBasicResource.DEPOSITRATE_ENDDATE);
 
         /* Access formatter */
         final OceanusDataFormatter myFormatter = getDataSet().getDataFormatter();
 
         /* Create string builder */
         final StringBuilder myBuilder = new StringBuilder();
         myBuilder.append(myFormatter.formatObject(myDeposit));
         myBuilder.append('@');
         myBuilder.append(myFormatter.formatObject(myRate));
         if (myEndDate != null) {
             myBuilder.append("->");
             myBuilder.append(myFormatter.formatObject(myEndDate));
         }
 
         /* return it */
         return myBuilder.toString();
     }
 
     /**
      * Obtain Rate.
      *
      * @return the rate
      */
     public OceanusRate getRate() {
         return getValues().getValue(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE, OceanusRate.class);
     }
 
     /**
      * Obtain Encrypted rate.
      *
      * @return the Bytes
      */
     public byte[] getRateBytes() {
         return getValues().getEncryptedBytes(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE);
     }
 
     /**
      * Obtain Encrypted Rate Field.
      *
      * @return the Field
      */
     private PrometheusEncryptedPair getRateField() {
         return getValues().getEncryptedPair(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE);
     }
 
     /**
      * Obtain Bonus.
      *
      * @return the bonus rate
      */
     public OceanusRate getBonus() {
         return getValues().getValue(MoneyWiseBasicResource.DEPOSITRATE_BONUS, OceanusRate.class);
     }
 
     /**
      * Obtain Encrypted bonus.
      *
      * @return the Bytes
      */
     public byte[] getBonusBytes() {
         return getValues().getEncryptedBytes(MoneyWiseBasicResource.DEPOSITRATE_BONUS);
     }
 
     /**
      * Obtain Encrypted Rate Field.
      *
      * @return the Field
      */
     private PrometheusEncryptedPair getBonusField() {
         return getValues().getEncryptedPair(MoneyWiseBasicResource.DEPOSITRATE_BONUS);
     }
 
     /**
      * Obtain date.
      *
      * @return the date
      */
     public OceanusDate getDate() {
         return getEndDate();
     }
 
     /**
      * Obtain End Date.
      *
      * @return the End Date
      */
     public OceanusDate getEndDate() {
         return getValues().getValue(MoneyWiseBasicResource.DEPOSITRATE_ENDDATE, OceanusDate.class);
     }
 
     /**
      * Obtain Deposit.
      *
      * @return the deposit
      */
     public MoneyWiseDeposit getDeposit() {
         return getValues().getValue(MoneyWiseBasicDataType.DEPOSIT, MoneyWiseDeposit.class);
     }
 
     /**
      * Obtain DepositId.
      *
      * @return the depositId
      */
     public Integer getDepositId() {
         final MoneyWiseDeposit myDeposit = getDeposit();
         return myDeposit == null
                 ? null
                 : myDeposit.getIndexedId();
     }
 
     /**
      * Obtain DepositName.
      *
      * @return the depositName
      */
     public String getDepositName() {
         final MoneyWiseDeposit myDeposit = getDeposit();
         return myDeposit == null
                 ? null
                 : myDeposit.getName();
     }
 
     /**
      * Set the account.
      *
      * @param pValue the account
      */
     private void setValueDeposit(final MoneyWiseDeposit pValue) {
         getValues().setUncheckedValue(MoneyWiseBasicDataType.DEPOSIT, pValue);
     }
 
     /**
      * Set the deposit id.
      *
      * @param pId the deposit id
      */
     private void setValueDeposit(final Integer pId) {
         getValues().setUncheckedValue(MoneyWiseBasicDataType.DEPOSIT, pId);
     }
 
     /**
      * Set the deposit name.
      *
      * @param pName the deposit name
      */
     private void setValueDeposit(final String pName) {
         getValues().setUncheckedValue(MoneyWiseBasicDataType.DEPOSIT, pName);
     }
 
     /**
      * Set the rate.
      *
      * @param pValue the rate
      * @throws OceanusException on error
      */
     private void setValueRate(final OceanusRate pValue) throws OceanusException {
         setEncryptedValue(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE, pValue);
     }
 
     /**
      * Set the rate.
      *
      * @param pBytes the encrypted rate
      * @throws OceanusException on error
      */
     private void setValueRate(final byte[] pBytes) throws OceanusException {
         setEncryptedValue(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE, pBytes, OceanusRate.class);
     }
 
     /**
      * Set the rate.
      *
      * @param pValue the rate
      */
     private void setValueRate(final PrometheusEncryptedPair pValue) {
         getValues().setUncheckedValue(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE, pValue);
     }
 
     /**
      * Set the rate.
      *
      * @param pValue the rate
      */
     private void setValueRate(final String pValue) {
         getValues().setUncheckedValue(MoneyWiseBasicResource.MONEYWISEDATA_FIELD_RATE, pValue);
     }
 
     /**
      * Set the bonus rate.
      *
      * @param pValue the bonus rate
      * @throws OceanusException on error
      */
     private void setValueBonus(final OceanusRate pValue) throws OceanusException {
         setEncryptedValue(MoneyWiseBasicResource.DEPOSITRATE_BONUS, pValue);
     }
 
     /**
      * Set the encrypted bonus.
      *
      * @param pBytes the encrypted bonus
      * @throws OceanusException on error
      */
     private void setValueBonus(final byte[] pBytes) throws OceanusException {
         setEncryptedValue(MoneyWiseBasicResource.DEPOSITRATE_BONUS, pBytes, OceanusRate.class);
     }
 
     /**
      * Set the bonus.
      *
      * @param pValue the bonus
      */
     private void setValueBonus(final PrometheusEncryptedPair pValue) {
         getValues().setUncheckedValue(MoneyWiseBasicResource.DEPOSITRATE_BONUS, pValue);
     }
 
     /**
      * Set the bonus.
      *
      * @param pValue the bonus
      */
     private void setValueBonus(final String pValue) {
         getValues().setUncheckedValue(MoneyWiseBasicResource.DEPOSITRATE_BONUS, pValue);
     }
 
     /**
      * Set the end date.
      *
      * @param pValue the date
      */
     private void setValueEndDate(final OceanusDate pValue) {
         getValues().setUncheckedValue(MoneyWiseBasicResource.DEPOSITRATE_ENDDATE, pValue);
     }
 
     @Override
     public MoneyWiseDataSet getDataSet() {
         return (MoneyWiseDataSet) super.getDataSet();
     }
 
     @Override
     public MoneyWiseDepositRate getBase() {
         return (MoneyWiseDepositRate) super.getBase();
     }
 
     @Override
     public MoneyWiseDepositRateList getList() {
         return (MoneyWiseDepositRateList) super.getList();
     }
 
     /**
      * Compare this rate to another to establish sort order.
      *
      * @param pThat The Rate to compare to
      * @return (-1,0,1) depending of whether this object is before, equal, or after the passed
      * object in the sort order
      */
     @Override
     public int compareValues(final PrometheusDataItem pThat) {
         /* Access as DepositRate */
         final MoneyWiseDepositRate myThat = (MoneyWiseDepositRate) pThat;
 
         /* If header settings differ */
         if (isHeader() != pThat.isHeader()) {
             return isHeader()
                     ? -1
                     : 1;
         }
 
         /* If the date differs */
         final int iDiff = MetisDataDifference.compareObject(getDate(), myThat.getDate());
         if (iDiff != 0) {
             /* Sort in reverse date order !! */
             return -iDiff;
         }
 
         /* Compare the deposits */
         return getDeposit().compareTo(myThat.getDeposit());
     }
 
     @Override
     public void resolveDataSetLinks() throws OceanusException {
         /* Update the Encryption details */
         super.resolveDataSetLinks();
 
         /* Resolve data links */
         final MoneyWiseDataSet myData = getDataSet();
         resolveDataLink(MoneyWiseBasicDataType.DEPOSIT, myData.getDeposits());
     }
 
     /**
      * Resolve links in an updateSet.
      *
      * @param pEditSet the edit Set
      * @throws OceanusException on error
      */
     private void resolveEditSetLinks(final PrometheusEditSet pEditSet) throws OceanusException {
         /* Resolve parent within list */
         final MoneyWiseDepositList myDeposits = pEditSet.getDataList(MoneyWiseBasicDataType.DEPOSIT, MoneyWiseDepositList.class);
         resolveDataLink(MoneyWiseBasicDataType.DEPOSIT, myDeposits);
     }
 
     /**
      * Set the deposit.
      *
      * @param pValue the deposit
      */
     public void setDeposit(final MoneyWiseDeposit pValue) {
         setValueDeposit(pValue);
     }
 
     /**
      * Set a new rate.
      *
      * @param pRate the rate
      * @throws OceanusException on error
      */
     public void setRate(final OceanusRate pRate) throws OceanusException {
         setValueRate(pRate);
     }
 
     /**
      * Set a new bonus.
      *
      * @param pBonus the rate
      * @throws OceanusException on error
      */
     public void setBonus(final OceanusRate pBonus) throws OceanusException {
         setValueBonus(pBonus);
     }
 
     /**
      * Set a new date.
      *
      * @param pDate the new date
      */
     public void setEndDate(final OceanusDate pDate) {
         setValueEndDate(pDate == null
                 ? null
                 : new OceanusDate(pDate));
     }
 
     @Override
     public void touchUnderlyingItems() {
         /* touch the underlying deposit */
         getDeposit().touchItem(this);
     }
 
     @Override
     public void touchOnUpdate() {
         /* Touch deposit */
         getDeposit().touchItem(this);
     }
 
     /**
      * Update Rate from a Rate extract.
      *
      * @param pRate the updated item
      * @return whether changes have been made
      */
     @Override
     public boolean applyChanges(final PrometheusDataItem pRate) {
         /* Can only update from an DepositRate */
         if (!(pRate instanceof MoneyWiseDepositRate)) {
             return false;
         }
         final MoneyWiseDepositRate myRate = (MoneyWiseDepositRate) pRate;
 
         /* Store the current detail into history */
         pushHistory();
 
         /* Update the rate if required */
         if (!MetisDataDifference.isEqual(getRate(), myRate.getRate())) {
             setValueRate(myRate.getRateField());
         }
 
         /* Update the bonus if required */
         if (!MetisDataDifference.isEqual(getBonus(), myRate.getBonus())) {
             setValueBonus(myRate.getBonusField());
         }
 
         /* Update the date if required */
         if (!MetisDataDifference.isEqual(getEndDate(), myRate.getEndDate())) {
             setValueEndDate(myRate.getEndDate());
         }
 
         /* Check for changes */
         return checkForHistory();
     }
 
     @Override
     public void adjustMapForItem() {
         final MoneyWiseDepositRateList myList = getList();
         final MoneyWiseDepositRateDataMap myMap = myList.getDataMap();
         myMap.adjustForItem(this);
     }
 
     /**
      * List class.
      */
     public static class MoneyWiseDepositRateList
             extends PrometheusEncryptedList<MoneyWiseDepositRate> {
         /**
          * Report fields.
          */
         private static final MetisFieldSet<MoneyWiseDepositRateList> FIELD_DEFS = MetisFieldSet.newFieldSet(MoneyWiseDepositRateList.class);
 
         /**
          * Construct an empty CORE rate list.
          *
          * @param pData the DataSet for the list
          */
         protected MoneyWiseDepositRateList(final MoneyWiseDataSet pData) {
             super(MoneyWiseDepositRate.class, pData, MoneyWiseBasicDataType.DEPOSITRATE);
         }
 
         /**
          * Constructor for a cloned List.
          *
          * @param pSource the source List
          */
         private MoneyWiseDepositRateList(final MoneyWiseDepositRateList pSource) {
             super(pSource);
         }
 
         @Override
         protected MoneyWiseDepositRateList getEmptyList(final PrometheusListStyle pStyle) {
             final MoneyWiseDepositRateList myList = new MoneyWiseDepositRateList(this);
             myList.setStyle(pStyle);
             return myList;
         }
 
         @Override
         public MetisFieldSet<MoneyWiseDepositRateList> getDataFieldSet() {
             return FIELD_DEFS;
         }
 
         @Override
         public MetisFieldSetDef getItemFields() {
             return MoneyWiseDepositRate.FIELD_DEFS;
         }
 
         @Override
         public String listName() {
             return LIST_NAME;
         }
 
         @Override
         public MoneyWiseDataSet getDataSet() {
             return (MoneyWiseDataSet) super.getDataSet();
         }
 
         @Override
         public MoneyWiseDepositRateDataMap getDataMap() {
             return (MoneyWiseDepositRateDataMap) super.getDataMap();
         }
 
         /**
          * Construct an edit extract of a Rate list.
          *
          * @param pEditSet the editSet
          * @return the edit list
          * @throws OceanusException on error
          */
         public MoneyWiseDepositRateList deriveEditList(final PrometheusEditSet pEditSet) throws OceanusException {
             /* Build an empty List */
             final MoneyWiseDepositRateList myList = getEmptyList(PrometheusListStyle.EDIT);
             myList.ensureMap();
             pEditSet.setEditEntryList(MoneyWiseBasicDataType.DEPOSITRATE, myList);
 
             /* Loop through the list */
             final Iterator<MoneyWiseDepositRate> myIterator = iterator();
             while (myIterator.hasNext()) {
                 final MoneyWiseDepositRate myCurr = myIterator.next();
 
                 /* Copy the item */
                 final MoneyWiseDepositRate myItem = new MoneyWiseDepositRate(myList, myCurr);
                 myItem.resolveEditSetLinks(pEditSet);
                 myList.add(myItem);
 
                 /* Adjust the map */
                 myItem.adjustMapForItem();
             }
 
             /* Return the List */
             return myList;
         }
 
         /**
          * Add a new item to the core list.
          *
          * @param pRate item
          * @return the newly added item
          */
         @Override
         public MoneyWiseDepositRate addCopyItem(final PrometheusDataItem pRate) {
             /* Can only clone a DepositRate */
             if (!(pRate instanceof MoneyWiseDepositRate)) {
                 throw new UnsupportedOperationException();
             }
 
             final MoneyWiseDepositRate myRate = new MoneyWiseDepositRate(this, (MoneyWiseDepositRate) pRate);
             add(myRate);
             return myRate;
         }
 
         /**
          * Add a new item to the edit list.
          *
          * @return the new item
          */
         @Override
         public MoneyWiseDepositRate addNewItem() {
             final MoneyWiseDepositRate myRate = new MoneyWiseDepositRate(this);
             add(myRate);
             return myRate;
         }
 
         @Override
         public MoneyWiseDepositRate addValuesItem(final PrometheusDataValues pValues) throws OceanusException {
             /* Create the rate */
             final MoneyWiseDepositRate myRate = new MoneyWiseDepositRate(this, pValues);
 
             /* Check that this RateId has not been previously added */
             if (!isIdUnique(myRate.getIndexedId())) {
                 myRate.addError(ERROR_DUPLICATE, MetisDataResource.DATA_ID);
                 throw new MoneyWiseDataException(myRate, ERROR_VALIDATION);
             }
 
             /* Add to the list */
             add(myRate);
 
             /* Return it */
             return myRate;
         }
 
         @Override
         protected MoneyWiseDepositRateDataMap allocateDataMap() {
             return new MoneyWiseDepositRateDataMap();
         }
     }
 
     /**
      * The dataMap class.
      */
     public static class MoneyWiseDepositRateDataMap
             implements PrometheusDataMapItem, MetisFieldItem {
         /**
          * Report fields.
          */
         private static final MetisFieldSet<MoneyWiseDepositRateDataMap> FIELD_DEFS = MetisFieldSet.newFieldSet(MoneyWiseDepositRateDataMap.class);
 
         /*
          * UnderlyingMap Field Id.
          */
         static {
             FIELD_DEFS.declareLocalField(MoneyWiseBasicResource.MONEYWISEDATA_MAP_MAPOFMAPS, MoneyWiseDepositRateDataMap::getMapOfMaps);
             FIELD_DEFS.declareLocalField(MoneyWiseBasicResource.DEPOSITRATE_MAP_MAPOFRATES, MoneyWiseDepositRateDataMap::getMapOfRates);
         }
 
         /**
          * Map of Maps.
          */
         private final Map<MoneyWiseDeposit, Map<OceanusDate, Integer>> theMapOfMaps;
 
         /**
          * Map of Rates.
          */
         private final Map<MoneyWiseDeposit, MoneyWiseRateList> theMapOfRates;
 
         /**
          * Constructor.
          */
         public MoneyWiseDepositRateDataMap() {
             /* Create the maps */
             theMapOfMaps = new HashMap<>();
             theMapOfRates = new HashMap<>();
         }
 
         @Override
         public MetisFieldSet<MoneyWiseDepositRateDataMap> getDataFieldSet() {
             return FIELD_DEFS;
         }
 
         @Override
         public String formatObject(final OceanusDataFormatter pFormatter) {
             return FIELD_DEFS.getName();
         }
 
         /**
          * Obtain mapOfMaps.
          *
          * @return the map
          */
         private Map<MoneyWiseDeposit, Map<OceanusDate, Integer>> getMapOfMaps() {
             return theMapOfMaps;
         }
 
         /**
          * Obtain mapOfRates.
          *
          * @return the map
          */
         private Map<MoneyWiseDeposit, MoneyWiseRateList> getMapOfRates() {
             return theMapOfRates;
         }
 
         @Override
         public void resetMap() {
             theMapOfMaps.clear();
             theMapOfRates.clear();
         }
 
         @Override
         public void adjustForItem(final PrometheusDataItem pItem) {
             /* Access the Deposit Id */
             final MoneyWiseDepositRate myItem = (MoneyWiseDepositRate) pItem;
             final MoneyWiseDeposit myDeposit = myItem.getDeposit();
             if (myDeposit == null) {
                 return;
             }
 
             /* Access the map */
             final Map<OceanusDate, Integer> myMap = theMapOfMaps.computeIfAbsent(myDeposit, m -> new HashMap<>());
 
             /* Adjust rate count */
             final OceanusDate myDate = myItem.getEndDate();
             final Integer myCount = myMap.get(myDate);
             if (myCount == null) {
                 myMap.put(myDate, PrometheusDataInstanceMap.ONE);
             } else {
                 myMap.put(myDate, myCount + 1);
             }
 
             /* Access the list */
             final MoneyWiseRateList myList = theMapOfRates.computeIfAbsent(myDeposit, MoneyWiseRateList::new);
 
             /* Add element to the list */
             myList.add(myItem);
         }
 
         /**
          * Check validity of Rate.
          *
          * @param pItem the rate
          * @return true/false
          */
         public boolean validRateCount(final MoneyWiseDepositRate pItem) {
             /* Access the Details */
             final MoneyWiseDeposit myDeposit = pItem.getDeposit();
             final OceanusDate myDate = pItem.getEndDate();
 
             /* Access the map */
             final Map<OceanusDate, Integer> myMap = theMapOfMaps.get(myDeposit);
             if (myMap != null) {
                 final Integer myResult = myMap.get(myDate);
                 return PrometheusDataInstanceMap.ONE.equals(myResult);
             }
             return false;
         }
 
         /**
          * Check availability of date for a deposit.
          *
          * @param pDeposit the deposit
          * @param pDate    the key to look up
          * @return true/false
          */
         public boolean availableDate(final MoneyWiseDeposit pDeposit,
                                      final OceanusDate pDate) {
             /* Access the map */
             final Map<OceanusDate, Integer> myMap = theMapOfMaps.get(pDeposit);
             return myMap == null
                     || myMap.get(pDate) == null;
         }
 
         /**
          * Obtain rate for date.
          *
          * @param pDeposit the deposit
          * @param pDate    the date
          * @return the latest rate for the date.
          */
         public MoneyWiseDepositRate getRateForDate(final MoneyWiseDeposit pDeposit,
                                                    final OceanusDate pDate) {
             /* Access list for deposit */
             final MoneyWiseRateList myList = theMapOfRates.get(pDeposit);
             if (myList != null) {
                 /* Loop through the rates */
                 final ListIterator<MoneyWiseDepositRate> myIterator = myList.listIterator(myList.size());
                 while (myIterator.hasPrevious()) {
                     final MoneyWiseDepositRate myCurr = myIterator.previous();
 
                     /* Access the date */
                     final OceanusDate myDate = myCurr.getDate();
 
                     /* break loop if we have the correct record */
                     if (myDate == null
                             || myDate.compareTo(pDate) >= 0) {
                         return myCurr;
                     }
                 }
             }
 
             /* return null */
             return null;
         }
 
         /**
          * Rate List class.
          */
         private static final class MoneyWiseRateList
                 implements MetisFieldItem, MetisDataList<MoneyWiseDepositRate> {
             /**
              * Report fields.
              */
             private static final MetisFieldSet<MoneyWiseRateList> FIELD_DEFS = MetisFieldSet.newFieldSet(MoneyWiseRateList.class);
 
             /*
              * UnderlyingMap Field Id.
              */
             static {
                 FIELD_DEFS.declareLocalField(MetisDataResource.LIST_SIZE, MoneyWiseRateList::size);
             }
 
             /**
              * The list.
              */
             private final List<MoneyWiseDepositRate> theList;
 
             /**
              * The deposit.
              */
             private final MoneyWiseDeposit theDeposit;
 
             /**
              * Constructor.
              *
              * @param pDeposit the deposit
              */
             private MoneyWiseRateList(final MoneyWiseDeposit pDeposit) {
                 theDeposit = pDeposit;
                 theList = new ArrayList<>();
             }
 
             @Override
             public MetisFieldSet<MoneyWiseRateList> getDataFieldSet() {
                 return FIELD_DEFS;
             }
 
             @Override
             public String formatObject(final OceanusDataFormatter pFormatter) {
                 return theDeposit.formatObject(pFormatter)
                         + "("
                         + size()
                         + ")";
             }
 
             @Override
             public String toString() {
                 return theDeposit.toString()
                         + "("
                         + size()
                         + ")";
             }
 
             @Override
             public List<MoneyWiseDepositRate> getUnderlyingList() {
                 return theList;
             }
         }
     }
 }