import java.awt.Color;
import java.util.ArrayList;
import java.util.List;
import org.knowm.xchart.AnnotationTextPanel;
import org.knowm.xchart.SwingWrapper;
import org.knowm.xchart.XYChart;
import org.knowm.xchart.XYChartBuilder;
import org.knowm.xchart.XYSeries;
import org.knowm.xchart.XYSeries.XYSeriesRenderStyle;
import org.knowm.xchart.style.markers.SeriesMarkers;

/**
 * Error Bars
 *
 * <p>Demonstrates the following:
 *
 * <ul>
 *   <li>Error Bars
 *   <li>Using ChartBuilder to Make a Chart
 *   <li>List<Number> data sets
 *   <li>Setting Series Marker and Marker Color
 *   <li>Using a custom decimal pattern
 *   <li>InfoPanel
 */
public class xchart_scatter2 {

  public static void main(String[] args) {

    XYChart chart = getChart();
    new SwingWrapper<>(chart).displayChart();
  }

  static public XYChart getChart() {

    // Create Chart
    XYChart chart =
        new XYChartBuilder()
            .width(600)
            .height(400)
            .title("ScatterChart04")
            .xAxisTitle("X")
            .yAxisTitle("Y")
            .build();

    // Customize Chart
    chart.getStyler().setDefaultSeriesRenderStyle(XYSeriesRenderStyle.Scatter);
    chart.getStyler().setChartTitleVisible(false);
    chart.getStyler().setLegendVisible(false);
    chart.getStyler().setAxisTitlesVisible(false);
    chart.getStyler().setXAxisDecimalPattern("0.0000000");

    // InfoPanel
    chart.addAnnotation(
        new AnnotationTextPanel("Here are some words in an AnnotationTextPanel!", 40, 40, true));
    chart.addAnnotation(
        new AnnotationTextPanel("Here are some additional words", 0.000004, 4, false));
    chart.addAnnotation(
        new AnnotationTextPanel(
            "Here are some additional words \n in the upper right-hand corner \n with multiple lines",
            800,
            600,
            true));
    //    chart.getStyler().setAnnotationTextPanelPadding(20);
    //    chart.getStyler().setAnnotationTextPanelFont(new Font("Verdana", Font.BOLD, 12));
    //    chart.getStyler().setAnnotationTextPanelBackgroundColor(Color.RED);
    //    chart.getStyler().setAnnotationTextPanelBorderColor(Color.BLUE);
    //    chart.getStyler().setAnnotationTextPanelFontColor(Color.GREEN);

    // Series
    int size = 10;
    List<Double> xData = new ArrayList<>();
    List<Double> yData = new ArrayList<>();
    List<Double> errorBars = new ArrayList<>();
    for (int i = 0; i <= size; i++) {
      xData.add(((double) i) / 1000000);
      yData.add(10 * Math.exp(-i));
      errorBars.add(Math.random() + .3);
    }
    XYSeries series = chart.addSeries("10^(-x)", xData, yData, errorBars);
    series.setMarkerColor(Color.RED);
    series.setMarker(SeriesMarkers.SQUARE);

    return chart;
  }

}