package eu.simstadt.nf4j;

import java.io.File;
import java.util.ArrayList;
import netscape.javascript.JSObject;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import eu.simstadt.nf4j.async.AsyncExportJob;
import eu.simstadt.nf4j.async.Coord;
import eu.simstadt.nf4j.async.ExportJobDescription;
import eu.simstadt.nf4j.async.HTTPConnection;
import eu.simstadt.nf4j.async.JobStatusEvent;
import eu.simstadt.nf4j.async.JobStatusListener;
import eu.simstadt.nf4j.async.Layer;


/**
 * This class contains client oriented export job tests. It will send an export job and listens to status updates. Every
 * of the subsequent status' LOCAL, SENT, PENDING, RUNNING, FINISHED and DOWNLOAD have to be signaled to this test
 * class.
 * 
 * @author Marcel Bruse
 */

//TODO: DRY with SuccessfulExportJob
public class ExportJobFromJavaFXRegionChooser implements JobStatusListener
{

	public AsyncExportJob job;
	private JSObject nfButton;

	public void processJob(Geometry poly, JSObject nfButton) throws InterruptedException {
		this.nfButton = nfButton;
		ExportJobDescription description = ExportJobDescription.getDefaultDescriptor();
		description.setInitiator("2758");
		description.setAccount("Bruse");
		description.setProduct("WU3");
		description.setJobnumber("Bruse_0815");

		//FIXME: Zipped GMLs coming from nF don't have any defined srsName
		//FIXME: Save files somewhere else

		ArrayList<Coord> regionPolygon = new ArrayList<>();

		for (Coordinate point : poly.getCoordinates()) {
			regionPolygon.add(new Coord(point.y, point.x));
		}

		description.setRegionPolygon(regionPolygon);

		Layer layer = Layer.getDefaultLayer();
		layer.setProduct("WU3");
		layer.setName("GML");
		description.addLayer(layer);

		job = new AsyncExportJob(description, new HTTPConnection("193.196.136.164"));
		job.addJobStatusListener(this);

		try {
			job.send();
		} catch (FailedTransmissionException ex) {
			ex.printStackTrace();
		} catch (InvalidJobDescriptorException ex) {
			ex.printStackTrace();
		}

		//		// Wait for timeout, failure or that all tests pass
		//		long timeout = 1000 * 60 * 3l; // 3 minutes maximum
		//		long interval = 10000l;
		//		while (!job.hasFinished() && !job.hasFailed() && timeout > 0) {
		//			Thread.sleep(interval);
		//			timeout -= interval;
		//			System.out.println("+");
		//		}
	}

	@Override
	public void jobStatusChanged(JobStatusEvent event) {
		JobStatus status = (JobStatus) event.getSource();
		System.out.println(status);
		if (status == JobStatus.LOCAL) {
			nfButton.call("updateStatus", "Local");
		} else if (status == JobStatus.SENT) {
			nfButton.call("updateStatus", "SENT");
		} else if (status == JobStatus.PENDING) {
			nfButton.call("updateStatus", "PENDING");
		} else if (status == JobStatus.RUNNING) {
			nfButton.call("updateStatus", "RUNNING");
		} else if (status == JobStatus.FINISHED) {
			try {
				nfButton.call("updateStatus", "FINISHED");
				job.downloadResult();
			} catch (FailedTransmissionException ex) {
				ex.printStackTrace();
			}
		} else if (status == JobStatus.DOWNLOAD) {
			try {
				File file = job.getResult();
				nfButton.call("updateStatus", "DOWNLOAD");
				System.out.println("CityGML at " + file.getAbsolutePath());
			} catch (FailedTransmissionException ex) {
				ex.printStackTrace();
			}
		}
	}

}