/**
 * 
 */
package org.gcube.portlets.user.td.csvexportwidget.client;

import org.gcube.portlets.user.td.csvexportwidget.client.progress.CSVExportProgressBarUpdater;
import org.gcube.portlets.user.td.csvexportwidget.client.progress.CSVExportProgressListener;
import org.gcube.portlets.user.td.csvexportwidget.client.progress.CSVExportProgressUpdater;
import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVExportSession;
import org.gcube.portlets.user.td.wizardwidget.client.WizardCard;

import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.FlexTable;
import com.sencha.gxt.core.client.util.Margins;
import com.sencha.gxt.widget.core.client.FramedPanel;
import com.sencha.gxt.widget.core.client.ProgressBar;
import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
import com.sencha.gxt.widget.core.client.container.VBoxLayoutContainer;
import com.sencha.gxt.widget.core.client.container.VBoxLayoutContainer.VBoxLayoutAlign;



/**
 * 
 * @author "Giancarlo Panichi" <a
 *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
 * 
 */
public class CSVOperationInProgressCard extends WizardCard implements
CSVExportProgressListener {

	public static final int STATUS_POLLING_DELAY = 1000;
	protected CSVOperationInProgressCard thisCard;
	protected CSVExportSession exportSession;
	protected CSVExportProgressUpdater progressUpdater;

	public CSVOperationInProgressCard(final CSVExportSession exportSession) {
		super("Operation In Progress", "");

		this.exportSession = exportSession;
		thisCard = this;

		VBoxLayoutContainer operationInProgressPanel = new VBoxLayoutContainer();
		operationInProgressPanel.setVBoxLayoutAlign(VBoxLayoutAlign.CENTER);

		final FlexTable description = new FlexTable();
		//FlexCellFormatter cellFormatter = description.getFlexCellFormatter();
		description.setCellSpacing(10);
		description.setCellPadding(4);
		description.setBorderWidth(0);

		// display:block;vertical-align:text-top;
		description.setHTML(0, 0,
				"<span style=\"font-weight:bold;\";>Destination: </span>");
		description.setText(0, 1, exportSession.getDestination().getName());
		description.setHTML(1, 0,
				"<span style=\"font-weight:bold;\";>File Name: </span>");
		description.setText(1, 1, exportSession.getFileName());

		description.setHTML(2, 0,
				"<span style=\"font-weight:bold;\";>File Description: </span>");
		description.setText(2, 1, exportSession.getFileDescription());

		
		FramedPanel summary = new FramedPanel();
		summary.setHeadingText("Export Summary");
		summary.setWidth(400);
		summary.add(description);
		operationInProgressPanel.add(summary, new BoxLayoutData(new Margins(20,
				5, 10, 5)));

		ProgressBar progressBar = new ProgressBar();
		operationInProgressPanel.add(progressBar, new BoxLayoutData(
				new Margins(10, 5, 10, 5)));

		progressUpdater = new CSVExportProgressUpdater();
		progressUpdater.addListener(new CSVExportProgressBarUpdater(progressBar));

		progressUpdater.addListener(this);

		setContent(operationInProgressPanel);

	}
	//columnToImportMask

	public void exportCSV() {
		TDGWTServiceAsync.INSTANCE.startCSVExport(exportSession, new AsyncCallback<Void>() {

					
					public void onSuccess(Void result) {
						progressUpdater.scheduleRepeating(STATUS_POLLING_DELAY);
					}

					public void onFailure(Throwable caught) {
						showErrorAndHide("Error in exportCSV",
								"An error occured in exportCSV: "+caught.getLocalizedMessage(), caught.getStackTrace().toString(), caught);
					}
				});
	}

	@Override
	public void setup() {
		getWizardWindow().setEnableBackButton(false);
		setBackButtonVisible(false);
		setNextButtonVisible(false);
		getWizardWindow().setEnableNextButton(false);
		getWizardWindow().setNextButtonToFinish();
		exportCSV();
	}

	public void operationInitializing() {

	}

	public void operationUpdate(float elaborated) {

	}

	public void operationComplete() {
		// final String tableId,final String tableResourceId) {

		Command sayComplete = new Command() {
			public void execute() {
				try {
					getWizardWindow().close(false);
					Log.info("fire Complete: tableId");

					getWizardWindow().fireCompleted(null);

				} catch (Exception e) {
					Log.error("fire Complete :" + e.getLocalizedMessage());
				}
			}
		};

		getWizardWindow().setNextButtonCommand(sayComplete);

		setNextButtonVisible(true);
		getWizardWindow().setEnableNextButton(true);
	}

	public void operationFailed(Throwable caught, String reason,
			String failureDetails) {

	}

}