/*
    * Tethys: GUI Utilities
    * 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.tethys.javafx.chart;
  
  import io.github.tonywasher.joceanus.oceanus.decimal.OceanusMoney;
  import javafx.collections.ObservableList;
  import javafx.scene.Node;
  import javafx.scene.chart.CategoryAxis;
  import javafx.scene.chart.NumberAxis;
  import javafx.scene.chart.StackedBarChart;
  import javafx.scene.chart.XYChart.Data;
  import javafx.scene.chart.XYChart.Series;
  import javafx.scene.control.Tooltip;
  import javafx.scene.input.MouseEvent;
  import javafx.util.StringConverter;
  import io.github.tonywasher.joceanus.tethys.core.chart.TethysUICoreBarChart;
  import io.github.tonywasher.joceanus.tethys.core.factory.TethysUICoreFactory;
  import io.github.tonywasher.joceanus.tethys.javafx.base.TethysUIFXNode;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * javaFX barChart.
   */
  public class TethysUIFXBarChart
          extends TethysUICoreBarChart {
      /**
       * The Node.
       */
      private final TethysUIFXNode theNode;
  
      /**
       * The chart.
       */
      private final StackedBarChart<String, Number> theChart;
  
      /**
       * The series map.
       */
      private final Map<String, Series<String, Number>> theSeries;
  
      /**
       * Constructor.
       *
       * @param pFactory the Gui Factory
       */
      TethysUIFXBarChart(final TethysUICoreFactory<?> pFactory) {
          /* initialise underlying class */
          super(pFactory);
  
          /* Create chart */
          final CategoryAxis myXAxis = new CategoryAxis();
          final NumberAxis myYAxis = new NumberAxis();
          myYAxis.setTickLabelFormatter(new StringConverter<>() {
              @Override
              public String toString(final Number pValue) {
                  return getFormatter().formatMoney(new OceanusMoney(pValue.toString()));
              }
  
              @Override
              public Number fromString(final String pValue) {
                  return null;
              }
          });
          theChart = new StackedBarChart<>(myXAxis, myYAxis);
  
          /* Create the map */
          theSeries = new HashMap<>();
  
          /* Create Node */
          theNode = new TethysUIFXNode(theChart);
      }
  
      @Override
      public TethysUIFXNode getNode() {
          return theNode;
      }
  
      @Override
      public void setVisible(final boolean pVisible) {
          theNode.setManaged(pVisible);
          theNode.setVisible(pVisible);
      }
  
     @Override
     public void setEnabled(final boolean pEnabled) {
         theChart.setDisable(!pEnabled);
     }
 
     @Override
     public void setPreferredWidth(final Integer pWidth) {
         theChart.setPrefWidth(pWidth);
     }
 
     @Override
     public void setPreferredHeight(final Integer pHeight) {
         theChart.setPrefHeight(pHeight);
     }
 
     @Override
     public void updateBarChart(final TethysUIBarChartData pData) {
         /* Update underlying data */
         super.updateBarChart(pData);
 
         /* Set the chart title and Axis labels */
         theChart.setTitle(pData.getTitle());
         theChart.getXAxis().setLabel(pData.getXAxisLabel());
         theChart.getYAxis().setLabel(pData.getYAxisLabel());
     }
 
     @Override
     protected void resetData() {
         /* Clear the data */
         final ObservableList<Series<String, Number>> myData = theChart.getData();
         myData.clear();
         theSeries.clear();
 
         /* Clear underlying data  */
         super.resetData();
     }
 
     @Override
     protected void createSection(final String pName,
                                  final TethysUIBarChartDataSection pSection) {
         /* Add to underlying data  */
         super.createSection(pName, pSection);
 
         /* Access the series */
         final Series<String, Number> mySeries = theSeries.computeIfAbsent(pName, n -> {
             final Series<String, Number> s = new Series<>();
             s.setName(n);
             final ObservableList<Series<String, Number>> myData = theChart.getData();
             myData.add(s);
             return s;
         });
 
         /* Create section */
         final ObservableList<Data<String, Number>> mySections = mySeries.getData();
         final Data<String, Number> myData = new Data<>(pSection.getReference(), pSection.getValue().doubleValue());
         mySections.add(myData);
         final Node myNode = myData.getNode();
 
         /* Build name */
         final String myName = pName + ":" + myData.getXValue();
 
         /* Create the toolTip */
         final String myTooltip = getToolTip(myName);
         Tooltip.install(myNode, new Tooltip(myTooltip));
 
         /* Install click handler for node */
         myNode.addEventHandler(MouseEvent.MOUSE_CLICKED, e -> selectSection(myName));
     }
 }