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

import org.gcube.portlets.user.td.sdmxexportwidget.client.progress.ImportProgressBarUpdater;
import org.gcube.portlets.user.td.sdmxexportwidget.client.progress.OperationProgressListener;
import org.gcube.portlets.user.td.sdmxexportwidget.client.progress.OperationProgressUpdater;
import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
import org.gcube.portlets.user.td.gwtservice.shared.sdmx.SDMXExportSession;
import org.gcube.portlets.user.td.wizardwidget.client.WizardCard;
import org.gcube.portlets.user.td.gwtservice.shared.TRId;

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;

//import com.allen_sauer.gwt.log.client.Log;
//import com.google.gwt.user.client.Command;

/**
 * 
 * @author "Giancarlo Panichi" 
 * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
 *
 */
public class SDMXOperationInProgressCard extends WizardCard 
	implements  OperationProgressListener {
	
	public static final int STATUS_POLLING_DELAY = 1000;
	protected SDMXOperationInProgressCard thisCard;
	protected SDMXExportSession exportSession;
	protected OperationProgressUpdater progressUpdater;

	
	
	public SDMXOperationInProgressCard(final SDMXExportSession 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);
		
		
        
        FramedPanel summary = new FramedPanel();
        summary.setHeadingText("Import 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 OperationProgressUpdater();
		progressUpdater.addListener(new ImportProgressBarUpdater(progressBar));
		
		progressUpdater.addListener(this);
		
		setContent(operationInProgressPanel);
		
	}
	
	
	
	public void exportSDMX()
	{
		TDGWTServiceAsync.INSTANCE.exportSDMXClientLibraryRequest(exportSession, new AsyncCallback<Void>() {
			
			@Override
			public void onSuccess(Void result) {
				progressUpdater.scheduleRepeating(STATUS_POLLING_DELAY);
			}
			
			@Override
			public void onFailure(Throwable caught) {
				showErrorAndHide("Error in exportSDMX", "An error occured in exportSDMX", "", caught);
			}
		});
	}
	
	
	@Override
	public void setup(){
	    getWizardWindow().setEnableBackButton(false);
	    setBackButtonVisible(false);
	    setNextButtonVisible(false);
	    getWizardWindow().setEnableNextButton(false);
	    getWizardWindow().setNextButtonToFinish();
	    exportSDMX();
	}



	@Override
	public void operationInitializing() {
		
	}


	@Override
	public void operationUpdate(float elaborated) {
		
	}

	@Override
	public void operationComplete(final TRId trId){
		//	final String tableId,final String tableResourceId) {
		
		Command sayComplete = new Command() {
			public void execute() {
				try {
					getWizardWindow().close(false);
					Log.info("fire Complete: tabular resource "+trId.getId());
					Log.info("fire Complete: tableId "+trId.getTableId());
					
					getWizardWindow().fireCompleted(trId);
					
				} catch (Exception e) {
					Log.error("fire Complete :" + e.getLocalizedMessage());
				}
			}
	    };
	   
	    getWizardWindow().setNextButtonCommand(sayComplete);
		
		setNextButtonVisible(true);
		getWizardWindow().setEnableNextButton(true);
	}


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



	
	
		

}