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

import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
import org.gcube.portlets.user.td.gwtservice.shared.codelisthelper.CodelistMappingSession;
import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsFinalException;
import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsLockedException;
import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTSessionExpiredException;
import org.gcube.portlets.user.td.gwtservice.shared.resource.ResourceTDDescriptor;
import org.gcube.portlets.user.td.monitorwidget.client.MonitorDialog;
import org.gcube.portlets.user.td.monitorwidget.client.MonitorDialogListener;
import org.gcube.portlets.user.td.widgetcommonevent.client.event.SessionExpiredEvent;
import org.gcube.portlets.user.td.widgetcommonevent.client.type.SessionExpiredType;
import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
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.sencha.gxt.widget.core.client.FramedPanel;
import com.sencha.gxt.widget.core.client.box.AlertMessageBox;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
import com.sencha.gxt.widget.core.client.event.HideEvent;
import com.sencha.gxt.widget.core.client.event.HideEvent.HideHandler;
import com.sencha.gxt.widget.core.client.form.FieldLabel;
import com.sencha.gxt.widget.core.client.form.TextArea;
import com.sencha.gxt.widget.core.client.form.TextField;

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

	protected CodelistMappingSession codelistMappingSession;
	protected CodelistMappingTableDetailCard thisCard;

	protected VerticalLayoutContainer p;

	protected TextField name;
	protected TextArea description;

	protected ResourceTDDescriptor resourceDetails = new ResourceTDDescriptor();

	public CodelistMappingTableDetailCard(
			final CodelistMappingSession codelistMappingSession) {
		super("Codelist Mapping Detail", "");

		this.codelistMappingSession = codelistMappingSession;
		thisCard = this;
		FramedPanel form = new FramedPanel();

		form.setHeadingText("Details");

		p = new VerticalLayoutContainer();
		form.add(p);

		name = new TextField();
		name.setAllowBlank(false);
		name.setEmptyText("Enter a name...");
		if (codelistMappingSession.getLocalFileName() != null
				&& !codelistMappingSession.getLocalFileName().isEmpty()) {
			name.setValue(codelistMappingSession.getLocalFileName());
		} else {

		}
		name.setAllowBlank(false);
		p.add(new FieldLabel(name, "Name"), new VerticalLayoutData(1, -1));

		description = new TextArea();
		description.setAllowBlank(false);
		description.setEmptyText("Enter a description...");
		description.setValue("XML map");
		description.setAllowBlank(false);
		p.add(new FieldLabel(description, "Description"),
				new VerticalLayoutData(1, -1));

		setContent(form);

	}

	@Override
	public void setup() {
		Command sayNextCard = new Command() {

			public void execute() {
				checkData();
			}

		};

		getWizardWindow().setNextButtonCommand(sayNextCard);

		Command sayPreviousCard = new Command() {
			public void execute() {
				try {
					getWizardWindow().previousCard();
					getWizardWindow().removeCard(thisCard);
					Log.info("Remove CodelistMappingTableDetailCard");
				} catch (Exception e) {
					Log.error("sayPreviousCard :" + e.getLocalizedMessage());
				}
			}
		};

		getWizardWindow().setPreviousButtonCommand(sayPreviousCard);
		getWizardWindow().setEnableNextButton(true);

	}

	protected void checkData() {
		Log.debug("checkData()");
		getWizardWindow().setEnableNextButton(false);
		getWizardWindow().setEnableBackButton(false);
		AlertMessageBox d;
		HideHandler hideHandler = new HideHandler() {

			public void onHide(HideEvent event) {
				getWizardWindow().setEnableNextButton(true);
				getWizardWindow().setEnableBackButton(true);

			}
		};

		if (name.getValue() == null || name.getValue().isEmpty()
				|| !name.isValid() || description.getValue() == null
				|| description.getValue().isEmpty() || !description.isValid()) {
			d = new AlertMessageBox("Attention!", "Fill in all fields");
			d.addHideHandler(hideHandler);
			d.show();
		} else {
			name.setReadOnly(true);
			description.setReadOnly(true);
			goNext();
		}
	}

	protected void goNext() {
		Log.debug("goNext()");
		try {
			resourceDetails.setName(name.getCurrentValue());
			resourceDetails.setDescription(description.getCurrentValue());

			codelistMappingSession.setResourceTD(resourceDetails);

			/*
			 * CodelistMappingOperationInProgressCard
			 * codelistMappingOperationInProgressCard = new
			 * CodelistMappingOperationInProgressCard( codelistMappingSession);
			 * getWizardWindow
			 * ().addCard(codelistMappingOperationInProgressCard);
			 * Log.info("NextCard CodelistMappingOperationInProgressCard");
			 * getWizardWindow().nextCard();
			 */
			importCodelistMapping();

		} catch (Throwable e) {
			Log.error("sayNextCard :" + e.getLocalizedMessage());
		}
	}

	protected void importCodelistMapping() {
		TDGWTServiceAsync.INSTANCE.startCodelistMappingImport(
				codelistMappingSession, new AsyncCallback<String>() {

					public void onSuccess(String taskId) {
						openMonitorDialog(taskId);
					}

					public void onFailure(Throwable caught) {
						if (caught instanceof TDGWTSessionExpiredException) {
							getEventBus()
									.fireEvent(
											new SessionExpiredEvent(
													SessionExpiredType.EXPIREDONSERVER));
						} else {
							if (caught instanceof TDGWTIsLockedException) {
								Log.error(caught.getLocalizedMessage());
								showErrorAndHide("Error Locked",
										caught.getLocalizedMessage(), caught);
							} else {
								if (caught instanceof TDGWTIsFinalException) {
									Log.error(caught.getLocalizedMessage());
									showErrorAndHide("Error Final",
											caught.getLocalizedMessage(),
											caught);
								} else {
									showErrorAndHide(
											"Error in import codelist mapping",
											"An error occured in import codelist mapping: "
													+ caught.getLocalizedMessage(),
											caught);
								}
							}
						}
					}
				});
	}

	protected void openMonitorDialog(String taskId) {
		MonitorDialog monitorDialog = new MonitorDialog(taskId, getEventBus());
		monitorDialog.add(thisCard);
		monitorDialog.show();
	}

	@Override
	public void operationComplete(TRId trId) {
		getWizardWindow().fireCompleted(trId);

	}

	@Override
	public void operationFailed(Throwable caught, String reason, String details) {
		if (caught instanceof TDGWTSessionExpiredException) {
			getEventBus()
					.fireEvent(
							new SessionExpiredEvent(
									SessionExpiredType.EXPIREDONSERVER));
		} else {
			if (caught instanceof TDGWTIsLockedException) {
				Log.error(caught.getLocalizedMessage());
				showErrorAndHide("Error Locked", caught.getLocalizedMessage(),
						caught);
			} else {
				if (caught instanceof TDGWTIsFinalException) {
					Log.error(caught.getLocalizedMessage());
					showErrorAndHide("Error Final",
							caught.getLocalizedMessage(), caught);
				} else {
					getWizardWindow().fireFailed("Error",
							"Error in Codelist Mapping Import", caught);

				}
			}
		}

	}

	@Override
	public void operationStopped(TRId trId, String reason, String details) {
		getWizardWindow().fireCompleted(trId);

	}

	@Override
	public void operationAborted() {
		getWizardWindow().fireAborted();

	}

	@Override
	public void operationPutInBackground() {
		// TODO Auto-generated method stub

	}

}