package de.intevation.gnv.exports;

import java.util.List;
import java.util.ArrayList;
import java.util.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat;

import org.apache.log4j.Logger;

import com.vividsolutions.jts.io.WKTReader;
import com.vividsolutions.jts.io.ParseException;
import com.vividsolutions.jts.geom.Point;

import de.intevation.gnv.geobackend.base.Result;
import de.intevation.gnv.transition.exception.TransitionException;

/**
 * @author Ingo Weinzierl (ingo.weinzierl@intevation.de)
 */
public class SimpleOdvDataCollector
extends ShapeDataCollector
{
    private static Logger log = Logger.getLogger(SimpleOdvDataCollector.class);

    public static final String SRC_FORMAT  = "yyyy.MM.dd HH:mm:ss";
    public static final String DEST_FORMAT = "yyyy-MM-dd HH:mm";

    public static DateFormat srcFormat  = new SimpleDateFormat(SRC_FORMAT);
    public static DateFormat destFormat = new SimpleDateFormat(DEST_FORMAT);

    public SimpleOdvDataCollector(String[] names) {
        super(names);
    }

    public String[] getData(Result result)
    throws TransitionException
    {
        if (rd == null)
            init(result);

        try {
            String [] entries = new String[names.length+1];
            int j             = 0;
            for (int i = 0; i < names.length; i++) {
                
                if (names[i].equals("SHAPE")) {
                    Point p  = (Point)wktReader.read(result.getString("SHAPE"));

                    entries[j++] = ""+p.getX();
                    entries[j++] = ""+p.getY();
                }
                // Change the datetime format from yyyy.MM.dd HH:mm:ss to 
                // yyyy-MM-dd HH:mm
                else if (names[i].equals("TIMEVALUE")) {
                    Date source  = srcFormat.parse(result.getString(names[i]));
                    entries[j++] = destFormat.format(source);
                }
                else {
                    entries[j++] = result.getString(names[i]);
                }
            }

            return entries;
        }
        catch (ParseException pe) {
            log.error(pe, pe);
            throw new TransitionException(
                "Error occured while parsing source data.");
        }
        catch (java.text.ParseException pe) {
            log.error(pe, pe);
            throw new TransitionException(
                "Error occured while parsing source data.");
        }
    }
}