/**
 * Title:           ChartFactory, $Header: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v 1.8 2007/12/21 12:31:15 blume Exp $
 * Source:          $Source: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v $
 * created by:      Stefan Blume (blume)
 * erstellt am:     06.12.2007
 * Copyright:       con terra GmbH, 2005
 *
 * modified by:     $Author: blume $
 * modified on:     $Date: 2007/12/21 12:31:15 $
 * Version:         $Revision: 1.8 $
 * TAG:             $Name:  $
 * locked from:     $Locker:  $
 * CVS State:       $State: Exp $
 * Project:         $ProjectName$
 */
package de.intevation.gnv.chart;

import java.util.Collection;
import java.util.Iterator;

import org.apache.log4j.Logger;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.xy.XYSeries;

import de.intevation.gnv.chart.exception.TechnicalChartException;
import de.intevation.gnv.geobackend.base.Result;

/**
 * 
 * @author Tim Englich <tim.englich@intevation.de>
 * 
 */
public class HorizontalProfileChartFactory extends VerticalProfileChartFactory {

    /**
     * Default Logging instance
     */
    private static Logger sLogger = Logger
            .getLogger(HorizontalProfileChartFactory.class);
    private static boolean sDebug = sLogger.isDebugEnabled();

    public HorizontalProfileChartFactory() {
        super();
        super.plotOrientation = PlotOrientation.VERTICAL;
    }

    /**
     * 
     * @param seriesName
     * @param resultSet
     * @param lUpperCut
     * @param lLowerCut
     * @param pStart
     * @param pEnd
     * @return
     * @throws TechnicalChartException
     */
    @Override
    protected XYSeries createXYSeries(String seriesName,
                                      Collection<Result> resultSet,
                                      int lUpperCut, int lLowerCut, int pStart,
                                      int pEnd) throws TechnicalChartException {
        if (sDebug)
            sLogger.debug("createXYSeries()");
        XYSeries series = new XYSeries(seriesName);
        try {
            double xValue = 0;
            double yValue = 0;
            double xStartCoord = 0;
            double yStartCoord = 0;
            int i = 0;
            Iterator<Result> resultIterator = resultSet.iterator();
            while (resultIterator.hasNext()) {
                Result lRow = resultIterator.next();
                if (i >= pStart && i <= pEnd) {
                    if (xStartCoord == 0 && yStartCoord == 0) {
                        xStartCoord = lRow.getDouble("XORDINATE_XCOORD");
                        yStartCoord = lRow.getDouble("XORDINATE_YCOORD");
                    }

                    double currentXCoord = lRow.getDouble("XORDINATE_XCOORD");
                    ;
                    double currentYCoord = lRow.getDouble("XORDINATE_YCOORD");

                    xValue = this.calculateDistance(xStartCoord, yStartCoord,
                            currentXCoord, currentYCoord);

                    yValue = lRow.getDouble("YORDINATE");
                    series.add(xValue, yValue);
                    sLogger.debug(seriesName + " Added Value " + xValue + " / "
                                  + yValue);

                } else if (i > pEnd) {
                    return series;
                }
                i++;
            }
        } catch (OutOfMemoryError e) {
            sLogger.error(e.getMessage(), e);
            return series;

        } catch (Exception e) { // TechnicalChartException
            sLogger.error(e.getMessage(), e);
        } finally {
        }

        return series;
    }

    private double calculateDistance(double xStartCoord, double yStartCoord,
                                     double currentXCoord, double currentYCoord) {
        double dx = xStartCoord - currentXCoord;
        double dy = yStartCoord - currentYCoord;
        return Math.sqrt((dx * dx) + (dy * dy));
    }
}