package de.intevation.gnv.geobackend.sde.datasources;

import com.esri.sde.sdk.client.SDEPoint;
import com.esri.sde.sdk.client.SeError;
import com.esri.sde.sdk.client.SeException;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.geom.Polygon;

import org.apache.log4j.Logger;

/**
 * The class <code>ArcSDEUtils</code> fulfills the following purposes:
 *
 * @author blume
 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
 */
public class ArcSDEUtils {

    /**
     * Default Logging instance
     */
    private static Logger sLogger = Logger.getLogger(ArcSDEUtils.class);

    /**
     * Prints an SEEsception into the Logger of this Class
     * @param exception
     */
    public static void printError(SeException exception) {

        SeError error = exception.getSeError();

        sLogger.debug("\n ArcSDE Error Number        : " + error.getSdeError());
        sLogger.debug(" Error Description          : " + error.getErrDesc());

        int extError = error.getExtError();
        if (extError != 0)
            sLogger.debug(" Extended Error Number      : " + extError);

        String desc = error.getSdeErrMsg();
        if (desc != null && desc.length() != 0)
            sLogger.debug(" Extended Error Description : " + desc);

        desc = error.getExtErrMsg();
        if (desc != null && desc.length() != 0)
            sLogger.debug(" Extended Error Description : " + desc);

        sLogger.debug(exception);

    }

    /**
     * Generate an SDEPoint-Array from a given Geometry.
     * This Method did not put the Holes to the Array.
     * @param g The Geometry which should be converted.
     * @return an SDEPoint-Array from a given Ggeometry.
     */
    public SDEPoint[] createPoints(Geometry g) {
        sLogger.debug("createPoints()");
        Coordinate[] coords = null;
        if (g instanceof Polygon) {
            coords = ((Polygon) g).getCoordinates();
        }else if (g instanceof Point){
            coords = ((Point)g).getCoordinates();
        }else if (g instanceof LineString){
            coords = ((LineString)g).getCoordinates();
        }else{
            coords = g.getCoordinates();
        }

        if (coords != null){
            SDEPoint[] lSDEPoints = new SDEPoint[coords.length];
            for (int i = 0; i < coords.length; i++) {
                lSDEPoints[i] = new SDEPoint(coords[i].x, coords[i].y);
            }
            return lSDEPoints;
        }else{
            return null;
        }
    }
}