/*
    * 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.atlas.data.analysis.analyse;
  
  import io.github.tonywasher.joceanus.oceanus.date.OceanusDate;
  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.metis.data.MetisDataItem.MetisDataMap;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldItem;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldSet;
  import io.github.tonywasher.joceanus.moneywise.atlas.data.analysis.buckets.MoneyWiseXAnalysis;
  import io.github.tonywasher.joceanus.moneywise.atlas.data.analysis.buckets.MoneyWiseXAnalysisBucketResource;
  import io.github.tonywasher.joceanus.prometheus.views.PrometheusDataEvent;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Analysis manager.
   */
  public class MoneyWiseXAnalysisManager
          implements OceanusEventProvider<PrometheusDataEvent>, MetisFieldItem, MetisDataMap<OceanusDateRange, MoneyWiseXAnalysis> {
      /**
       * Local Report fields.
       */
      private static final MetisFieldSet<MoneyWiseXAnalysisManager> FIELD_DEFS = MetisFieldSet.newFieldSet(MoneyWiseXAnalysisManager.class);
  
      /*
       * Declare Fields.
       */
      static {
          FIELD_DEFS.declareLocalField(MoneyWiseXAnalysisBucketResource.ANALYSIS_NAME, MoneyWiseXAnalysisManager::getAnalysis);
      }
  
      /**
       * The Event Manager.
       */
      private final OceanusEventManager<PrometheusDataEvent> theEventManager;
  
      /**
       * The analysis map.
       */
      private final Map<OceanusDateRange, MoneyWiseXAnalysis> theAnalysisMap;
  
      /**
       * The base analysis.
       */
      private MoneyWiseXAnalysis theAnalysis;
  
      /**
       * Constructor.
       *
       * @param pAnalysis the new analysis
       */
      public MoneyWiseXAnalysisManager(final MoneyWiseXAnalysis pAnalysis) {
          /* Store the parameters */
          theAnalysis = pAnalysis;
  
          /* Create the event manager */
          theEventManager = new OceanusEventManager<>();
  
          /* Create the analysis map */
          theAnalysisMap = new HashMap<>();
      }
  
      @Override
      public MetisFieldSet<MoneyWiseXAnalysisManager> getDataFieldSet() {
          return FIELD_DEFS;
      }
  
      @Override
      public OceanusEventRegistrar<PrometheusDataEvent> getEventRegistrar() {
          return theEventManager.getEventRegistrar();
      }
  
      @Override
      public String formatObject(final OceanusDataFormatter pFormatter) {
          return getClass().getSimpleName();
      }
  
      @Override
      public Map<OceanusDateRange, MoneyWiseXAnalysis> getUnderlyingMap() {
         return theAnalysisMap;
     }
 
     /**
      * Is the analysis manager idle?
      *
      * @return true/false
      */
     public boolean isIdle() {
         return theAnalysis.isIdle();
     }
 
     /**
      * Set analysis.
      *
      * @param pAnalysis the analysis
      */
     public void setAnalysis(final MoneyWiseXAnalysis pAnalysis) {
         /* Record analysis and clear the map */
         theAnalysis = pAnalysis;
         theAnalysisMap.clear();
 
         /* Report to listeners */
         theEventManager.fireEvent(PrometheusDataEvent.DATACHANGED);
     }
 
     /**
      * Obtain the base analysis.
      *
      * @return the base analysis
      */
     public MoneyWiseXAnalysis getAnalysis() {
         return theAnalysis;
     }
 
     /**
      * Do we have a foreign currency?
      *
      * @return true/false
      */
     public Boolean haveForeignCurrency() {
         return theAnalysis.haveForeignCurrency();
     }
 
     /**
      * Do we have active securities?
      *
      * @return true/false
      */
     public Boolean haveActiveSecurities() {
         return theAnalysis.haveActiveSecurities();
     }
 
     /**
      * Obtain an analysis for a date.
      *
      * @param pDate the date for the analysis.
      * @return the analysis
      */
     public MoneyWiseXAnalysis getDatedAnalysis(final OceanusDate pDate) {
         /* Create the new Range */
         final OceanusDateRange myRange = new OceanusDateRange(null, pDate);
 
         /* Look for the existing analysis */
         return theAnalysisMap.computeIfAbsent(myRange, r -> {
             /* Create the new event analysis */
             final MoneyWiseXAnalysis myAnalysis = new MoneyWiseXAnalysis(theAnalysis, pDate);
             myAnalysis.produceTotals();
 
             /* Check the totals */
             myAnalysis.checkTotals();
 
             /* Put it into the map */
             return myAnalysis;
         });
     }
 
     /**
      * Obtain an analysis for a range.
      *
      * @param pRange the date range for the analysis.
      * @return the analysis
      */
     public MoneyWiseXAnalysis getRangedAnalysis(final OceanusDateRange pRange) {
         /* Look for the existing analysis */
         return theAnalysisMap.computeIfAbsent(pRange, r -> {
             /* Create the new event analysis */
             final MoneyWiseXAnalysis myAnalysis = new MoneyWiseXAnalysis(theAnalysis, r);
             myAnalysis.produceTotals();
 
             /* Check the totals */
             myAnalysis.checkTotals();
 
             /* Put it into the map */
             return myAnalysis;
         });
     }
 
     /**
      * Analyse the base analysis.
      */
     public void analyseBase() {
         /* Produce totals for the base analysis */
         theAnalysis.produceTotals();
     }
 }