/*
    * 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.lethe.views;
  
  import io.github.tonywasher.joceanus.oceanus.base.OceanusException;
  import io.github.tonywasher.joceanus.oceanus.date.OceanusDateRange;
  import io.github.tonywasher.joceanus.oceanus.event.OceanusEventManager;
  import io.github.tonywasher.joceanus.oceanus.event.OceanusEventRegistrar;
  import io.github.tonywasher.joceanus.oceanus.event.OceanusEventRegistrar.OceanusEventProvider;
  import io.github.tonywasher.joceanus.oceanus.format.OceanusDataFormatter;
  import io.github.tonywasher.joceanus.oceanus.logger.OceanusLogManager;
  import io.github.tonywasher.joceanus.oceanus.logger.OceanusLogger;
  import io.github.tonywasher.joceanus.oceanus.profile.OceanusProfile;
  import io.github.tonywasher.joceanus.metis.data.MetisDataDifference;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldItem;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldSet;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseBasicDataType;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseDataSet;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseTransInfo;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseTransInfo.MoneyWiseTransInfoList;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseTransaction;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseTransaction.MoneyWiseTransactionList;
  import io.github.tonywasher.joceanus.moneywise.data.statics.MoneyWiseStaticDataType;
  import io.github.tonywasher.joceanus.moneywise.data.statics.MoneyWiseTransInfoType.MoneyWiseTransInfoTypeList;
  import io.github.tonywasher.joceanus.moneywise.lethe.data.analysis.analyse.MoneyWiseAnalysisTransAnalyser;
  import io.github.tonywasher.joceanus.moneywise.lethe.data.analysis.data.MoneyWiseAnalysis;
  import io.github.tonywasher.joceanus.moneywise.lethe.data.analysis.data.MoneyWiseAnalysisDataResource;
  import io.github.tonywasher.joceanus.moneywise.lethe.data.analysis.data.MoneyWiseAnalysisManager;
  import io.github.tonywasher.joceanus.moneywise.views.MoneyWiseView;
  import io.github.tonywasher.joceanus.moneywise.views.MoneyWiseViewResource;
  import io.github.tonywasher.joceanus.prometheus.views.PrometheusDataEvent;
  import io.github.tonywasher.joceanus.prometheus.views.PrometheusEditEntry;
  import io.github.tonywasher.joceanus.prometheus.views.PrometheusEditSet;
  
  import java.util.Iterator;
  
  /**
   * Analysis Edit View.
   */
  public class MoneyWiseAnalysisView
          implements MetisFieldItem, OceanusEventProvider<PrometheusDataEvent> {
      /**
       * Report fields.
       */
      private static final MetisFieldSet<MoneyWiseAnalysisView> FIELD_DEFS = MetisFieldSet.newFieldSet(MoneyWiseAnalysisView.class);
  
      /*
       * Declare Fields.
       */
      static {
          FIELD_DEFS.declareLocalField(MoneyWiseViewResource.ANALYSISVIEW_UPDATESET, MoneyWiseAnalysisView::getEditSet);
          FIELD_DEFS.declareLocalField(MoneyWiseAnalysisDataResource.ANALYSIS_NAME, MoneyWiseAnalysisView::getAnalysis);
      }
  
      /**
       * Logger.
       */
      private static final OceanusLogger LOGGER = OceanusLogManager.getLogger(MoneyWiseAnalysisView.class);
  
      /**
       * The Event Manager.
       */
      private final OceanusEventManager<PrometheusDataEvent> theEventManager;
  
      /**
       * The View.
       */
      private final MoneyWiseView theView;
  
      /**
       * The UpdateSet.
       */
      private final PrometheusEditSet theEditSet;
  
      /**
       * The event entry.
       */
      private final PrometheusEditEntry<MoneyWiseTransaction> theTransEntry;
  
      /**
       * The info entry.
       */
      private final PrometheusEditEntry<MoneyWiseTransInfo> theInfoEntry;
  
      /**
      * The transactions.
      */
     private MoneyWiseTransactionView theTransactions;
 
     /**
      * Analysis Manager.
      */
     private MoneyWiseAnalysisManager theManager;
 
     /**
      * The active analysis.
      */
     private MoneyWiseAnalysis theAnalysis;
 
     /**
      * The current range.
      */
     private OceanusDateRange theRange;
 
     /**
      * Constructor.
      *
      * @param pView    the view
      * @param pEditSet the edit set
      */
     public MoneyWiseAnalysisView(final MoneyWiseView pView,
                                  final PrometheusEditSet pEditSet) {
         /* Store update set */
         theView = pView;
         theEditSet = pEditSet;
 
         /* Register data entries */
         theTransEntry = theEditSet.registerType(MoneyWiseBasicDataType.TRANSACTION);
         theInfoEntry = theEditSet.registerType(MoneyWiseBasicDataType.TRANSACTIONINFO);
 
         /* Create event manager */
         theEventManager = new OceanusEventManager<>();
     }
 
     @Override
     public MetisFieldSet<MoneyWiseAnalysisView> getDataFieldSet() {
         return FIELD_DEFS;
     }
 
     @Override
     public String formatObject(final OceanusDataFormatter pFormatter) {
         return FIELD_DEFS.getName();
     }
 
     @Override
     public OceanusEventRegistrar<PrometheusDataEvent> getEventRegistrar() {
         return theEventManager.getEventRegistrar();
     }
 
     /**
      * Obtain the active analysis.
      *
      * @return the active analysis
      */
     public MoneyWiseAnalysis getAnalysis() {
         return theAnalysis;
     }
 
     /**
      * Obtain the editSet.
      *
      * @return the editSet
      */
     private PrometheusEditSet getEditSet() {
         return theEditSet;
     }
 
     /**
      * Obtain the transaction list.
      *
      * @return the transaction list
      */
     public MoneyWiseTransactionList getTransactions() {
         return theTransactions;
     }
 
     /**
      * Obtain the range.
      *
      * @return the range
      */
     public OceanusDateRange getRange() {
         return theRange;
     }
 
     /**
      * Refresh data.
      */
     public void refreshData() {
         /* Protect against exceptions */
         try {
             /* Access the new analysis manager */
             theManager = theView.getAnalysisManager();
             theEditSet.setDataSet(theView.getData());
 
             /* If we have a range */
             if (theRange != null) {
                 /* Obtain the required analysis and reset to it */
                 theAnalysis = theManager.getRangedAnalysis(theRange);
 
                 /* Create the new transaction list */
                 final MoneyWiseDataSet myData = theView.getData();
                 theTransactions = new MoneyWiseTransactionView(myData.getTransactions());
 
                 /* else no range */
             } else {
                 /* Set nulls */
                 theAnalysis = null;
                 theTransactions = null;
             }
 
             /* register the lists */
             registerLists();
 
             /* Notify listeners */
             theEventManager.fireEvent(PrometheusDataEvent.ADJUSTVISIBILITY);
 
         } catch (OceanusException e) {
             LOGGER.error("Failed to refreshData", e);
         }
     }
 
     /**
      * Set the selected date range.
      *
      * @param pRange the date range
      */
     public void setRange(final OceanusDateRange pRange) {
         /* If we have changed the range */
         if (!MetisDataDifference.isEqual(theRange, pRange)) {
             /* Obtain the required analysis and reset to it */
             theRange = pRange;
             theAnalysis = theManager == null ? null : theManager.getRangedAnalysis(theRange);
 
             /* Notify listeners */
             theEventManager.fireEvent(PrometheusDataEvent.ADJUSTVISIBILITY);
         }
     }
 
     /**
      * /** Register lists.
      */
     private void registerLists() {
         /* If we have transactions */
         if (theTransactions != null) {
             final MoneyWiseTransInfoList myInfo = theTransactions.getTransactionInfo();
             theTransEntry.setDataList(theTransactions);
             theInfoEntry.setDataList(myInfo);
         } else {
             theTransEntry.setDataList(null);
             theInfoEntry.setDataList(null);
         }
     }
 
     /**
      * TransactionView class.
      */
     private final class MoneyWiseTransactionView
             extends MoneyWiseTransactionList {
         /**
          * Constructor.
          *
          * @param pSource the source transaction list
          * @throws OceanusException on error
          */
         private MoneyWiseTransactionView(final MoneyWiseTransactionList pSource) throws OceanusException {
             /* Initialise as edit list */
             super(pSource);
             setStyle(PrometheusListStyle.EDIT);
             setEditSet(theEditSet);
             theEditSet.setEditEntryList(MoneyWiseBasicDataType.TRANSACTION, this);
 
             /* Store InfoType list */
             setTransInfoTypes(theEditSet.getDataList(MoneyWiseStaticDataType.TRANSINFOTYPE, MoneyWiseTransInfoTypeList.class));
 
             /* Create and store info List */
             final MoneyWiseTransInfoList myTransInfo = pSource.getTransactionInfo().getEmptyList(PrometheusListStyle.EDIT);
             theEditSet.setEditEntryList(MoneyWiseBasicDataType.TRANSACTIONINFO, myTransInfo);
             setTransactionInfo(myTransInfo);
 
             /* Loop through the Transactions extracting relevant elements */
             final Iterator<MoneyWiseTransaction> myIterator = pSource.iterator();
             while (myIterator.hasNext()) {
                 final MoneyWiseTransaction myCurr = myIterator.next();
 
                 /* Ignore deleted events */
                 if (myCurr.isDeleted()) {
                     continue;
                 }
 
                 /* Build the new linked transaction and add it to the list */
                 final MoneyWiseTransaction myTrans = new MoneyWiseTransaction(this, myCurr);
                 add(myTrans);
                 myTrans.resolveEditSetLinks();
 
                 /* Adjust the map */
                 myTrans.adjustMapForItem();
             }
         }
 
         @Override
         public void postProcessOnUpdate() {
             /* Pass call on */
             super.postProcessOnUpdate();
 
             /* Obtain the active profile */
             OceanusProfile myTask = theView.getActiveTask();
             myTask = myTask.startTask("updateAnalysis");
 
             /* Protect against exceptions */
             try {
                 /* Sort the transaction list */
                 myTask.startTask("sortTransactions");
                 reSort();
 
                 /* Initialise the analysis */
                 myTask.startTask("UpdateMaps");
                 theView.getData().updateMaps();
 
                 /* Analyse the data */
                 myTask.startTask("analyseData");
                 final MoneyWiseAnalysisTransAnalyser myAnalyser = new MoneyWiseAnalysisTransAnalyser(myTask, theEditSet, theView.getPreferenceManager());
                 final MoneyWiseAnalysis myAnalysis = myAnalyser.getAnalysis();
                 theManager = new MoneyWiseAnalysisManager(myAnalysis);
                 theAnalysis = theManager.getRangedAnalysis(theRange);
 
                 /* Notify listeners */
                 myTask.startTask("Notify");
                 theEventManager.fireEvent(PrometheusDataEvent.ADJUSTVISIBILITY);
 
                 /* Catch exceptions */
             } catch (OceanusException e) {
                 LOGGER.error("Failed to analyse changes", e);
             }
         }
     }
 }