/*

  * Created on Sep 14, 2006 by wyatt

  */

 package org.homeunix.thecave.buddi.plugin.builtin.report;

 import java.awt.BasicStroke;

 import java.awt.Color;

 import java.awt.Toolkit;

 import java.awt.image.BufferedImage;

 import java.util.Date;

 import java.util.HashMap;

 import java.util.LinkedList;

 import java.util.List;

 import java.util.Map;

 import java.util.logging.Logger;

 import org.homeunix.thecave.buddi.i18n.BuddiKeys;

 import org.homeunix.thecave.buddi.i18n.keys.PluginReportDateRangeChoices;

 import org.homeunix.thecave.buddi.plugin.api.BuddiReportPlugin;

 import org.homeunix.thecave.buddi.plugin.api.model.ImmutableDocument;

 import org.homeunix.thecave.buddi.plugin.api.util.HtmlHelper;

 import org.homeunix.thecave.buddi.plugin.api.util.HtmlPage;

 import org.homeunix.thecave.buddi.plugin.api.util.TextFormatter;

 import org.homeunix.thecave.buddi.util.Formatter;

 import org.jfree.chart.ChartFactory;

 import org.jfree.chart.JFreeChart;

 import org.jfree.chart.plot.PlotOrientation;

 import org.jfree.data.category.DefaultCategoryDataset;

 import ca.digitalcave.moss.common.DateUtil;

 import ca.digitalcave.moss.common.Version;

 import ca.digitalcave.moss.swing.MossDocumentFrame;

 public class NetWorthOverTime extends BuddiReportPlugin {

         public static final long serialVersionUID = 0;

         @Override

         public HtmlPage getReport(ImmutableDocument model, MossDocumentFrame frame, Date startDate, Date endDate) {

                 final int NUM_SAMPLES = 12;

                 DefaultCategoryDataset barData = new DefaultCategoryDataset();

                 List<Date> dates = new LinkedList<Date>();

                 Date date = startDate;

                 int numberOfDaysBetween = DateUtil.getDaysBetween(startDate, new Date(), false);

                 int daysBetweenReport = numberOfDaysBetween / NUM_SAMPLES;

                 for (int i = 0; i < NUM_SAMPLES; i++){

                         date = DateUtil.addDays(startDate, i * daysBetweenReport);

                         if (date.before(new Date()))

                                 dates.add(date);

                         Logger.getLogger(this.getClass().getName()).finest("Added date: " + date);                        

                 }

                 dates.add(new Date());

                 for (Date d : dates) {

                         long netWorth = model.getNetWorth(d);

 //                        barData.addValue((Number) new Double(accounts.get(a) / 100.0), TextFormatter.getFormattedDate(d), a.getName());

                         barData.addValue((Number) new Double(netWorth / 100.0), 

                                         TextFormatter.getTranslation(BuddiKeys.NET_WORTH), 

                                         (Formatter.getDateFormat("MM/dd").format(d)));

                 }

                 JFreeChart chart = ChartFactory.createLineChart(

                                 "", //Title

                                 "", //Domain axis label

                                 "", //Range axis label

                                 barData,             // data

                                 PlotOrientation.VERTICAL,

                                 true,               // include legend

                                 true,

                                 false

                 );

                 chart.setBackgroundPaint(Color.WHITE);

                 chart.setBorderStroke(new BasicStroke(0));

                 chart.getCategoryPlot().setBackgroundPaint(Color.WHITE);

                 chart.getCategoryPlot().setDomainGridlinePaint(Color.BLACK);

                 chart.getCategoryPlot().setRangeGridlinePaint(Color.BLACK);

                 StringBuilder sb = HtmlHelper.getHtmlHeader(

                                 TextFormatter.getTranslation(BuddiKeys.GRAPH_TITLE_NET_WORTH_OVER_TIME), 

                                 null, 

                                 startDate, 

                                 new Date());

                 sb.append("<img class='center_img' src='graph.png' />");

                 sb.append(HtmlHelper.getHtmlFooter());

                 Map<String, BufferedImage> images = new HashMap<String, BufferedImage>();

                 images.put("graph.png", 

                                 chart.createBufferedImage(

                                                 Math.min(Toolkit.getDefaultToolkit().getScreenSize().width - 200, 1000),

                                                 Toolkit.getDefaultToolkit().getScreenSize().height - 100));

                 return new HtmlPage(sb.toString(), images);

         }

         public String getName() {

                 return BuddiKeys.GRAPH_TITLE_NET_WORTH_OVER_TIME.toString();

         }

         @Override

         public PluginReportDateRangeChoices getDateRangeChoice() {

                 return PluginReportDateRangeChoices.START_ONLY;

         }

         public String getDescription() {

                 return BuddiKeys.NETWORTH_LINE_GRAPH.toString();

         }

         public boolean isPluginActive() {

                 return true;

         }

         public Version getMaximumVersion() {

                 return null;

         }

         public Version getMinimumVersion() {

                 return null;

         }

 }