/*
    * 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.swing.chart;
  
  import io.github.tonywasher.joceanus.oceanus.decimal.OceanusMoney;
  import io.github.tonywasher.joceanus.tethys.core.chart.TethysUICoreBarChart;
  import io.github.tonywasher.joceanus.tethys.core.factory.TethysUICoreFactory;
  import io.github.tonywasher.joceanus.tethys.swing.base.TethysUISwingNode;
  import org.jfree.chart.ChartFactory;
  import org.jfree.chart.ChartMouseEvent;
  import org.jfree.chart.ChartMouseListener;
  import org.jfree.chart.ChartPanel;
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.axis.CategoryAxis;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.entity.CategoryItemEntity;
  import org.jfree.chart.entity.ChartEntity;
  import org.jfree.chart.plot.CategoryPlot;
  import org.jfree.chart.plot.PlotOrientation;
  import org.jfree.chart.renderer.category.CategoryItemRenderer;
  import org.jfree.chart.util.HexNumberFormat;
  import org.jfree.data.category.DefaultCategoryDataset;
  
  import java.io.Serial;
  import java.text.FieldPosition;
  
  /**
   * Swing BarChart.
   */
  public class TethysUISwingBarChart
          extends TethysUICoreBarChart {
      /**
       * The Node.
       */
      private final TethysUISwingNode theNode;
  
      /**
       * The dataSet.
       */
      private final DefaultCategoryDataset theDataSet;
  
      /**
       * The chart.
       */
      private final JFreeChart theChart;
  
      /**
       * The panel.
       */
      private final ChartPanel thePanel;
  
      /**
       * Constructor.
       *
       * @param pFactory the Gui Factory
       */
      TethysUISwingBarChart(final TethysUICoreFactory<?> pFactory) {
          /* Initialise underlying class */
          super(pFactory);
  
          /* Create the dataSet */
          theDataSet = new DefaultCategoryDataset();
  
          /* Create the chart */
          theChart = ChartFactory.createStackedBarChart(
                  null,
                  null,
                  null,
                  theDataSet,
                  PlotOrientation.VERTICAL,
                  true,
                  true,
                  false);
          final CategoryPlot myPlot = (CategoryPlot) theChart.getPlot();
          final CategoryItemRenderer myRenderer = myPlot.getRenderer();
          myRenderer.setDefaultToolTipGenerator((pDataset, pSeries, pItem) -> {
              final String myKey = pDataset.getRowKey(pSeries) + ":" + pDataset.getColumnKey(pItem);
              return getToolTip(myKey);
          });
          final NumberAxis myYAxis = (NumberAxis) myPlot.getRangeAxis();
          myYAxis.setNumberFormatOverride(new MoneyFormat());
  
          /* Create the panel */
          thePanel = new ChartPanel(theChart);
          thePanel.setOpaque(true);
         thePanel.addChartMouseListener(new ChartMouseListener() {
             @Override
             public void chartMouseMoved(final ChartMouseEvent e) {
                 /* NoOp */
             }
 
             @Override
             public void chartMouseClicked(final ChartMouseEvent e) {
                 final ChartEntity entity = e.getEntity();
                 if (entity instanceof CategoryItemEntity section) {
                     selectSection(section.getRowKey() + ":" + section.getColumnKey());
                 }
             }
         });
 
         /* Create the node */
         theNode = new TethysUISwingNode(thePanel);
     }
 
     @Override
     public TethysUISwingNode getNode() {
         return theNode;
     }
 
     @Override
     public void setVisible(final boolean pVisible) {
         theNode.setVisible(pVisible);
     }
 
     @Override
     public void setEnabled(final boolean pEnabled) {
         thePanel.setEnabled(pEnabled);
     }
 
     @Override
     public void setPreferredWidth(final Integer pWidth) {
         theNode.setPreferredWidth(pWidth);
     }
 
     @Override
     public void setPreferredHeight(final Integer pHeight) {
         theNode.setPreferredHeight(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());
         final CategoryPlot myPlot = (CategoryPlot) theChart.getPlot();
         final CategoryAxis myXAxis = myPlot.getDomainAxis();
         myXAxis.setLabel(pData.getXAxisLabel());
         final NumberAxis myYAxis = (NumberAxis) myPlot.getRangeAxis();
         myYAxis.setLabel(pData.getYAxisLabel());
 
         /* Declare changes */
         theChart.fireChartChanged();
     }
 
     @Override
     protected void resetData() {
         /* Clear existing data  */
         theDataSet.clear();
 
         /* Clear underlying data  */
         super.resetData();
     }
 
     @Override
     protected void createSection(final String pName,
                                  final TethysUIBarChartDataSection pSection) {
         /* Create section */
         theDataSet.addValue(pSection.getValue().doubleValue(), pName, pSection.getReference());
 
         /* Add to underlying data  */
         super.createSection(pName, pSection);
     }
 
     /**
      * Money Format class.
      */
     private final class MoneyFormat extends HexNumberFormat {
         @Serial
         private static final long serialVersionUID = -1151614975043008941L;
 
         @Override
         public StringBuffer format(final double pValue,
                                    final StringBuffer pBuffer,
                                    final FieldPosition pLoc) {
             final OceanusMoney myMoney = new OceanusMoney(Double.toString(pValue));
             return new StringBuffer(getFormatter().formatMoney(myMoney));
         }
     }
 }