/**
 *
 */
package org.gcube.portlets.gcubeckan.gcubeckandatacatalog.client;

import org.gcube.portlets.gcubeckan.gcubeckandatacatalog.client.event.EditMetadataEvent;
import org.gcube.portlets.gcubeckan.gcubeckandatacatalog.client.event.EditMetadataEventHandler;
import org.gcube.portlets.gcubeckan.gcubeckandatacatalog.client.event.InsertMetadataEvent;
import org.gcube.portlets.gcubeckan.gcubeckandatacatalog.client.event.InsertMetadataEventHandler;
import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.CreateDatasetForm;

import com.github.gwtbootstrap.client.ui.Modal;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;


/**
 *
 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
 * Jun 10, 2016
 */
public class CkanEventHandlerManager {

	private HandlerManager eventBus = new HandlerManager(null);


	/**
	 *
	 */
	public CkanEventHandlerManager() {
		bind();
	}


	private void bind() {
		
		// bind on insert metadata
		eventBus.addHandler(InsertMetadataEvent.TYPE, new InsertMetadataEventHandler() {
			
			@Override
			public void onInsertMetadata(InsertMetadataEvent loadSelecteReleaseEvent) {
				
				final Modal modal = new Modal(true);
				
				// request who's doing the insert
				GCubeCkanDataCatalog.service.getUser(new AsyncCallback<String>() {
					
					@Override
					public void onSuccess(String username) {
						
						if(username != null){
							modal.setTitle("Insert Metadata");
							modal.addStyleName("insert-metadata-modal-style");
							modal.add(new CreateDatasetForm(username));
							modal.setCloseVisible(true);
							modal.show();
						}
						else
							Window.alert("Please, logout and login again then retry.");
						
					}
					
					@Override
					public void onFailure(Throwable caught) {
						
						Window.alert("Please, logout and login again then retry.");
						
					}
				});
			}
		});
		
		// bind on edit (TODO)
		eventBus.addHandler(EditMetadataEvent.TYPE, new EditMetadataEventHandler() {

			@Override
			public void onEditMetadata(EditMetadataEvent editMetadataEvent) {
				// TODO Auto-generated method stub
				
			}
		});
	}


	/**
	 * @return
	 */
	public HandlerManager getEventBus() {
		return eventBus;
	}
	
	
	
}