package org.gcube.portlets.user.geoportaldataentry.client;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.TreeMap;

import org.gcube.application.geoportalcommon.shared.GeoNaItemRef;
import org.gcube.application.geoportalcommon.shared.SearchingFilter;
import org.gcube.application.geoportalcommon.shared.SearchingFilter.ORDER;
import org.gcube.application.geoportalcommon.shared.config.ACTION_ON_ITEM;
import org.gcube.application.geoportalcommon.shared.config.GcubeUserRole;
import org.gcube.application.geoportalcommon.shared.config.RoleRights;
import org.gcube.application.geoportalcommon.shared.config.RoleRights.OPERATION_TYPE;
import org.gcube.application.geoportalcommon.shared.geoportal.HandlerDeclarationDV;
import org.gcube.application.geoportalcommon.shared.geoportal.LifecycleInformationDV;
import org.gcube.application.geoportalcommon.shared.geoportal.UseCaseDescriptorDV;
import org.gcube.application.geoportalcommon.shared.geoportal.config.GcubeProfileDV;
import org.gcube.application.geoportalcommon.shared.geoportal.config.ItemFieldDV;
import org.gcube.application.geoportalcommon.shared.products.ConcessioneDV;
import org.gcube.application.geoportalcommon.shared.products.model.RecordDV;
import org.gcube.portlets.user.geoportaldataentry.client.ConstantsGeoPortalDataEntryApp.ACTION_PERFORMED_ON_ITEM;
import org.gcube.portlets.user.geoportaldataentry.client.ConstantsGeoPortalDataEntryApp.RECORD_TYPE;
import org.gcube.portlets.user.geoportaldataentry.client.events.ActionOnItemEvent;
import org.gcube.portlets.user.geoportaldataentry.client.events.ActionOnItemEventHandler;
import org.gcube.portlets.user.geoportaldataentry.client.events.ActionPerformedOnItemEvent;
import org.gcube.portlets.user.geoportaldataentry.client.events.ActionPerformedOnItemEventHandler;
import org.gcube.portlets.user.geoportaldataentry.client.events.CreateNewProjectEvent;
import org.gcube.portlets.user.geoportaldataentry.client.events.CreateNewProjectEventHandler;
import org.gcube.portlets.user.geoportaldataentry.client.events.GetListOfRecordsEvent;
import org.gcube.portlets.user.geoportaldataentry.client.events.GetListOfRecordsEventHandler;
import org.gcube.portlets.user.geoportaldataentry.client.events.SaveGeonaDataFormsEvent;
import org.gcube.portlets.user.geoportaldataentry.client.events.SaveGeonaDataFormsHandler;
import org.gcube.portlets.user.geoportaldataentry.client.events.TreeItemEvent;
import org.gcube.portlets.user.geoportaldataentry.client.events.TreeItemEventHandler;
import org.gcube.portlets.user.geoportaldataentry.client.resource.Images;
import org.gcube.portlets.user.geoportaldataentry.client.ui.GeonaMainTabPanel;
import org.gcube.portlets.user.geoportaldataentry.client.ui.GeonaRecordsPaginatedView;
import org.gcube.portlets.user.geoportaldataentry.client.ui.ModalWindow;
import org.gcube.portlets.user.geoportaldataentry.client.ui.card.GeoNaFormCardModel;
import org.gcube.portlets.user.geoportaldataentry.client.ui.edit.EditModeRecord;
import org.gcube.portlets.user.geoportaldataentry.client.ui.form.GeonaDataEntryMainForm;
import org.gcube.portlets.user.geoportaldataentry.client.ui.report.BuildValidationReport;
import org.gcube.portlets.user.geoportaldataentry.client.ui.report.ReportTemplateToHTML;
import org.gcube.portlets.user.geoportaldataentry.client.ui.tree.NodeItem;
import org.gcube.portlets.user.geoportaldataentry.client.ui.tree.TreeItemPanel;
import org.gcube.portlets.user.geoportaldataentry.client.ui.utils.DialogConfirm;
import org.gcube.portlets.user.geoportaldataentry.client.ui.utils.DialogInform;
import org.gcube.portlets.user.geoportaldataentry.client.ui.utils.HTMLUtil;
import org.gcube.portlets.user.geoportaldataentry.client.ui.utils.HTMLUtil.HTML_TAG;
import org.gcube.portlets.user.geoportaldataentry.client.ui.utils.LoaderIcon;
import org.gcube.portlets.user.geoportaldataentry.client.ui.utils.NewBrowserWindow;
import org.gcube.portlets.user.geoportaldataentry.shared.CommitReport;
import org.gcube.portlets.user.geoportaldataentry.shared.GNADataEntryExtConfigProfile;
import org.gcube.portlets.user.geoportaldataentry.shared.GeoNaFormDataObject;
import org.gcube.portlets.user.geoportaldataentry.shared.GeonaISConfig;
import org.gcube.portlets.user.geoportaldataentry.shared.Tree_Node;
import org.gcube.portlets.user.geoportaldataentry.shared.UserRights;
import org.gcube.portlets.widgets.mpformbuilder.client.MetadataProfileFormBuilderServiceAsync;
import org.gcube.portlets.widgets.mpformbuilder.client.form.generic.CreateMetadataForm;
import org.gcube.portlets.widgets.mpformbuilder.client.form.generic.CreateMetadataForm.OPERATION;
import org.gcube.portlets.widgets.mpformbuilder.shared.metadata.MetaDataProfileBean;

import com.github.gwtbootstrap.client.ui.Alert;
import com.github.gwtbootstrap.client.ui.Modal;
import com.github.gwtbootstrap.client.ui.constants.AlertType;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TreeItem;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class GeoPortalDataEntryApp implements EntryPoint {

	/**
	 * The message displayed to the user when the server cannot be reached or
	 * returns an error.
	 */
	private static final String SERVER_ERROR = "An error occurred while "
			+ "attempting to contact the server. Please check your network " + "connection and try again.";

	public static final String DIV_PORTLET_ID = "geoportal-data-entry";

	public static final GeoportalDataEntryServiceAsync geoportalDataEntryService = GWT
			.create(GeoportalDataEntryService.class);

	private final HandlerManager appManagerBus = new HandlerManager(null);

	private LinkedHashMap<String, GeoNaFormCardModel> mapForms = new LinkedHashMap<String, GeoNaFormCardModel>();

	private GeonaDataEntryMainForm geoNaMainForm = null;

	private Collection<GeoNaFormCardModel> orderedCards = new ArrayList<GeoNaFormCardModel>();

	private GeonaMainTabPanel mainTabPanel;

	private LinkedHashMap<String, Tree_Node<GeoNaFormDataObject>> savedMap = new LinkedHashMap<String, Tree_Node<GeoNaFormDataObject>>();

	private boolean projectSavedWithSuccess;

	private GeonaRecordsPaginatedView grpw = null;

	private UserRights myRights = null;

	private LoaderIcon loader = new LoaderIcon("Loading Application... please wait");

	private List<ItemFieldDV> displayFields = new ArrayList<ItemFieldDV>();
	private List<ItemFieldDV> sortByFields = new ArrayList<ItemFieldDV>();
	private List<ItemFieldDV> searchByFields = new ArrayList<ItemFieldDV>();

	private GeonaISConfig geonaISConfig;

	private TreeMap<String, List<GeoNaFormCardModel>> mapGcubeProfilePerItemType = new TreeMap<String, List<GeoNaFormCardModel>>();

	private int numberOfCards = 0;

	private int expectedCards = 0;

	private synchronized void incrementNumberOfCards() {
		numberOfCards++;
	}

	private synchronized int getNumberOfCards() {
		return numberOfCards;
	}

	private List<UseCaseDescriptorDV> listUCDescriptors;

	private boolean dataEntryProjectCreated = false;

	private TreeItemPanel treeItemPanel;

	/**
	 * This is the entry point method.
	 */
	public void onModuleLoad() {
		/*
		 * ArrayList<GeoNaFormCardModel> gnaCardsModels = new
		 * ArrayList<GeoNaFormCardModel>(10); GcubeProfileDV gprofile = new
		 * GcubeProfileDV(); gprofile.setParentName("$.");
		 * gprofile.setSectionTitle("Istruzione"); GeoNaFormCardModel fcm = new
		 * GeoNaFormCardModel(); fcm.setGcubeProfile(gprofile); gnaCardsModels.add(fcm);
		 * 
		 * for (int i = 0; i < 2; i++) { GcubeProfileDV gprofile1 = new
		 * GcubeProfileDV(); gprofile1.setParentName("$.livello1");
		 * gprofile1.setSectionTitle("Secondaria Superiore "+i); GeoNaFormCardModel fcm1
		 * = new GeoNaFormCardModel(); fcm1.setGcubeProfile(gprofile1);
		 * gnaCardsModels.add(fcm1); }
		 * 
		 * for (int i = 0; i < 3; i++) { GcubeProfileDV gprofile2 = new
		 * GcubeProfileDV(); gprofile2.setParentName("$.livello1.livello2");
		 * gprofile2.setSectionTitle("Alberghiero di Pisa "+i); GeoNaFormCardModel fcm2
		 * = new GeoNaFormCardModel(); fcm2.setGcubeProfile(gprofile2);
		 * gnaCardsModels.add(fcm2); }
		 * 
		 * TreeItemPanel tip = new TreeItemPanel("Concessione", gnaCardsModels);
		 * RootPanel.get(GeoPortalDataEntryApp.DIV_PORTLET_ID).add(tip.getTree());
		 */

		RootPanel.get(DIV_PORTLET_ID).add(loader);

		GeoportalDataEntryServiceAsync.Util.getInstance().getGeonaInitConfig(new AsyncCallback<GeonaISConfig>() {

			@Override
			public void onFailure(Throwable caught) {
				String errorMsg = "Sorry, an error occurrend when loading configurations. Please, contact the support";
				Alert alert = new Alert(errorMsg, AlertType.ERROR);
				alert.setClose(false);
				try {
					RootPanel.get(DIV_PORTLET_ID).remove(loader);
				} catch (Exception e) {

				}
				RootPanel.get(DIV_PORTLET_ID).add(alert);
				Window.alert(errorMsg);
			}

			@Override
			public void onSuccess(GeonaISConfig result) {
				geonaISConfig = result;

				if (result != null && result.getScope() != null) {

					loadGeoportalConfigs(result.getScope());
				} else
					Window.alert("Sorry, no scope found in the session. Re-login and try again");

			}
		});

		GeoportalDataEntryServiceAsync.Util.getInstance()
				.readDataViewerConfig(new AsyncCallback<GNADataEntryExtConfigProfile>() {

					@Override
					public void onFailure(Throwable caught) {
						String errorMsg = "Sorry, an error occurrend on istancing the application. Please, contact the support";
						Alert alert = new Alert(errorMsg, AlertType.ERROR);
						alert.setClose(false);
						try {
							RootPanel.get(DIV_PORTLET_ID).remove(loader);
						} catch (Exception e) {

						}
						RootPanel.get(DIV_PORTLET_ID).add(alert);
						Window.alert(errorMsg);

					}

					@Override
					public void onSuccess(GNADataEntryExtConfigProfile gNADataEntryConfig) {

						try {
							RootPanel.get(DIV_PORTLET_ID).remove(loader);
						} catch (Exception e) {

						}

						List<ItemFieldDV> itemFields = gNADataEntryConfig.getListItemFields();

						for (ItemFieldDV itemField : itemFields) {
							if (itemField.isDisplayAsResult()) {
								displayFields.add(itemField);
							}

							if (itemField.isSearchable()) {
								searchByFields.add(itemField);
							}

							if (itemField.isSortable()) {
								sortByFields.add(itemField);
							}
						}

						GWT.log("List display fields: " + itemFields);
						SearchingFilter initialSortFilter = new SearchingFilter();
						initialSortFilter.setOrder(ORDER.ASC);
						initialSortFilter.setOrderByFields(
								Arrays.asList(new ItemFieldDV("Name", Arrays.asList("name"), null, true, true, true)));

						displayFields = itemFields;
						mainTabPanel = new GeonaMainTabPanel(appManagerBus, displayFields, sortByFields, searchByFields,
								initialSortFilter);

						// TWICE BECAUSE THE MAIN PANEL COULD BE NULL BEFORE
						setListUseCaseDescriptors(listUCDescriptors);

						geoNaMainForm = new GeonaDataEntryMainForm(appManagerBus);
						mainTabPanel.addFormPanel(geoNaMainForm);

						// PERMISSIONS
						myRights = gNADataEntryConfig.getUserRights();
						initGUI();
						GcubeUserRole userRole = myRights.getRoleRights().getUserRole();
						String msg = "Logged in as ";
						if (userRole != null && userRole.getName() != null) {
							msg += userRole.getName().substring(userRole.getName().indexOf("-") + 1,
									userRole.getName().length());
						} else
							msg += "Member";

						mainTabPanel.setRoleLabel(msg);

						RoleRights roleRights = myRights.getRoleRights();
						boolean canCreateNewItem = roleRights.getListPermessions().keySet()
								.contains(ACTION_ON_ITEM.CREATE_NEW_PROJECT);

						if (!canCreateNewItem) {
							// removing Tab "Create New Project"
							mainTabPanel.removeTab(0);
							// activating Tab "List of Project"
							mainTabPanel.setTabActive(0);
							mainTabPanel.instanceAndShowListOfConcessioni();
							return;
						}

					}
				});
	}

	private void initGUI() {
		bindEvents();
		RootPanel.get(DIV_PORTLET_ID).add(mainTabPanel);
		Window.addResizeHandler(new ResizeHandler() {
			@Override
			public void onResize(ResizeEvent event) {
				GWT.log("onWindowResized width: " + event.getWidth() + " height: " + event.getHeight());
				updateSize();
			}
		});

		updateSize();
	}

	private static native void click(Element element)/*-{
		element.click();
	}-*/;

	private void loadGeoportalConfigs(final String scope) {
		GWT.log("loading GeoportalConfigsAndBuildCards in the scope: " + scope);
		orderedCards = new ArrayList<GeoNaFormCardModel>();

		GeoportalDataEntryServiceAsync.Util.getInstance().getListUseCaseDescriptors(null,
				new AsyncCallback<List<UseCaseDescriptorDV>>() {

					@Override
					public void onFailure(Throwable caught) {
						GWT.log("caught: " + caught);
						Window.alert(caught.toString());
					}

					@Override
					public void onSuccess(List<UseCaseDescriptorDV> result) {
						listUCDescriptors = result;
						GWT.log("List<UseCaseDescriptorDV>: " + listUCDescriptors);
						listUCDescriptors = result;
						GWT.log("List<DocumentConfigDV>: " + result);

						if (result == null || result.size() == 0) {
							Window.alert("No Configuration found in this scope. Please contact the support");
							return;
						}

						setListUseCaseDescriptors(listUCDescriptors);
					}
				});
	}

	private synchronized void setListUseCaseDescriptors(List<UseCaseDescriptorDV> listUCDescriptors) {
		GWT.log("Setting listUCDescriptors: " + listUCDescriptors);
		if (listUCDescriptors != null) {

			if (mainTabPanel != null) {
				// Just to be sure that its set once
				if (mainTabPanel.getListUCDescriptors() == null) {
					mainTabPanel.setListUseCaseDescriptors(listUCDescriptors);
				}
			}
		}
	}

	/**
	 * Update window size
	 */
	public void updateSize() {

		try {
			RootPanel workspace = RootPanel.get(DIV_PORTLET_ID);
			int topBorder = workspace.getAbsoluteTop();
			int footer = 85; // footer is bottombar + sponsor
			int headerSize = 90;
			// int headerSize = 30;
			int rootHeight = Window.getClientHeight() - topBorder - headerSize - footer;// - ((footer ==
																						// null)?0:(footer.getOffsetHeight()-15));

			GWT.log("New workspace dimension Height: " + rootHeight);
			mainTabPanel.setInternalHeight(rootHeight);
		} catch (Exception e) {
			// TODO: handle exception
		}
		// appController.getMainPanel().setHeight(rootHeight);
		// appController.getMainPanel().setWidth(rootWidth);

	}

	private void createNewDataEntyFor(String profileID, HandlerDeclarationDV handlerDeclarationDV,
			List<GcubeProfileDV> listGPs) {
		dataEntryProjectCreated = true;
		mainTabPanel.setLoaderVisible("Loading...", true);
		orderedCards.clear();
		resetUI();

		List<GeoNaFormCardModel> cardsPerIT = mapGcubeProfilePerItemType.get(handlerDeclarationDV.getItemType());
		mainTabPanel.setPageHeader(handlerDeclarationDV);

		if (cardsPerIT != null) {
			orderedCards.addAll(cardsPerIT);
			buildNewCards(profileID, handlerDeclarationDV.getItemType(), orderedCards);
			return;
		}

		numberOfCards = 0;
		expectedCards = listGPs.size();
		GWT.log("expectedCards are: " + expectedCards);
		TreeMap<Integer, GeoNaFormCardModel> treemapOrderedGNAProfiles = new TreeMap<Integer, GeoNaFormCardModel>();

		for (int i = 0; i < expectedCards; i++) {
			GcubeProfileDV gcubeProfile = listGPs.get(i);
			final int order = i;
			GWT.log("calling getProfilesInTheScope for secondaryType: " + gcubeProfile.getGcubeSecondaryType()
					+ ", name: " + gcubeProfile.getGcubeName());
			MetadataProfileFormBuilderServiceAsync.Util.getInstance().getProfilesInTheScopeForName(
					geonaISConfig.getScope(), gcubeProfile.getGcubeSecondaryType(), gcubeProfile.getGcubeName(),
					new AsyncCallback<List<MetaDataProfileBean>>() {

						@Override
						public void onSuccess(List<MetaDataProfileBean> result) {

							incrementNumberOfCards();
							GWT.log("loaded " + getNumberOfCards() + " of " + expectedCards + " card/s");
							GWT.log("Returned " + result.size() + " profile/s");
							// orderedCards = setGeoNaFormsOrder(result);
							for (MetaDataProfileBean metaDataProfileBean : result) {

								String theMetaType = metaDataProfileBean.getType().toLowerCase();
								GWT.log("Building form card for type: " + theMetaType);

								GeoNaFormCardModel geonaForm = buildNewFormCardModelFromProfile(gcubeProfile, order,
										metaDataProfileBean, OPERATION.UPDATE);

								treemapOrderedGNAProfiles.put(order, geonaForm);
							}

							if (getNumberOfCards() >= expectedCards) {
								mainTabPanel.setLoaderVisible("Loading...", false);
								// ordered values
								Collection<GeoNaFormCardModel> gnaCardsModels = treemapOrderedGNAProfiles.values();
								GWT.log("TreMap values: " + gnaCardsModels);
								orderedCards.addAll(gnaCardsModels);
								mapGcubeProfilePerItemType.put(handlerDeclarationDV.getItemType(),
										new ArrayList<GeoNaFormCardModel>(orderedCards));
								buildNewCards(profileID, handlerDeclarationDV.getItemType(), orderedCards);
							}
						}

						@Override
						public void onFailure(Throwable caught) {
							mainTabPanel.setLoaderVisible("Loading...", false);
							Window.alert(caught.getMessage());
						}
					});

		}
	}

	/**
	 * Builds the new form card model from profile.
	 *
	 * @param gcubeProfile        the gcube profile
	 * @param order               the order
	 * @param metaDataProfileBean the meta data profile bean
	 * @param operation           the operation
	 * @return the geo na form card model
	 */
	private GeoNaFormCardModel buildNewFormCardModelFromProfile(GcubeProfileDV gcubeProfile, int order,
			MetaDataProfileBean metaDataProfileBean, OPERATION operation) {

		// Managing Forms repeatability
		int minOccurs = gcubeProfile.getMinOccurs();
		minOccurs = minOccurs <= 0 ? 0 : minOccurs;
		int maxOccurs = gcubeProfile.getMaxOccurs();
		maxOccurs = maxOccurs <= 0 ? Integer.MAX_VALUE : maxOccurs;

		// TODO MUST BE MANAGED MIN_OCCURS
		ProjectFormCard cct = new ProjectFormCard(gcubeProfile.getSectionName(), gcubeProfile.getSectionTitle(), order,
				maxOccurs > 1, minOccurs, maxOccurs);

		GeoNaFormCardModel geoNaFormCardModel = new GeoNaFormCardModel(metaDataProfileBean, null, cct, gcubeProfile);

		CreateMetadataForm baseForm = new CreateMetadataForm(Arrays.asList(geoNaFormCardModel.getMetadataProfileBean()),
				appManagerBus, operation);
		geoNaFormCardModel.setMetadataForm(baseForm);

		return geoNaFormCardModel;
	}

	private void buildNewCards(String profileID, String itemTypeTitle, Collection<GeoNaFormCardModel> orderedCards) {

		projectSavedWithSuccess = false; // resetting state of saving
		mainTabPanel.setLoaderVisible("Loading...", true);
		geoNaMainForm.setVisibleFormActions(true);
		resetUI();
		geoNaMainForm.enableButtonSave(true);
		mainTabPanel.setLoaderVisible("", false);

		treeItemPanel = new TreeItemPanel(profileID, itemTypeTitle, orderedCards, appManagerBus);
		geoNaMainForm.addTree(treeItemPanel);

		Scheduler.get().scheduleDeferred(new ScheduledCommand() {

			@Override
			public void execute() {
				TreeItem firstChild = treeItemPanel.getRoot().getChild(0);
				treeItemPanel.getTree().setSelectedItem(firstChild, true);
			}
		});

	}

	private void resetUI() {
		geoNaMainForm.resetUI();
		mapForms.clear();
	}

	private void bindEvents() {

		appManagerBus.addHandler(SaveGeonaDataFormsEvent.TYPE, new SaveGeonaDataFormsHandler() {

			@Override
			public void onSave(final SaveGeonaDataFormsEvent saveGeonaDataFormsEvent) {

				geoNaMainForm.enableButtonSave(false);

				if (saveGeonaDataFormsEvent.getTreeNode() != null) {

					final Modal modal = new Modal(true);
					modal.setCloseVisible(false);
					modal.setTitle("Saving project...");
					modal.hide(false);
					modal.setWidth(800);
					modal.setMaxHeigth("650px");
					final VerticalPanel modalContainerPanel = new VerticalPanel();
					final LoaderIcon loader = new LoaderIcon();
					loader.setText("Trying to save the data, please wait...");
					modalContainerPanel.add(loader);
					modal.add(modalContainerPanel);

					GeoportalDataEntryServiceAsync.Util.getInstance().saveGeonaDataForms(
							saveGeonaDataFormsEvent.getProfileID(), saveGeonaDataFormsEvent.getTreeNode(),
							new AsyncCallback<CommitReport>() {

								@Override
								public void onFailure(Throwable caught) {
									modalContainerPanel.clear();
									modal.setCloseVisible(true);
									try {
										modal.remove(loader);
									} catch (Exception e) {
									}
									Alert alert = new Alert(caught.getMessage());
									alert.setType(AlertType.ERROR);
									alert.setClose(false);
									modal.add(alert);
									// resetUI();
									geoNaMainForm.enableButtonSave(true);
								}

								@Override
								public void onSuccess(CommitReport result) {
									modalContainerPanel.clear();
									modal.setCloseVisible(true);

									LifecycleInformationDV lcDV = result.getLifecycleInformation();

									HTML htmlPhase = new HTML();
									htmlPhase.setHTML("Current phase: <b>" + lcDV.getPhase() + "</b>");

									HTML htmlStep = new HTML();
									htmlStep.setHTML("Invoked Step: <b>" + lcDV.getLastInvokedStep() + "</b>");

									HTML lastOperationStatus = new HTML();
									switch (lcDV.getLastOperationStatus()) {
									case OK: {
										String success = HTMLUtil.getHTMLElement(HTML_TAG.span, 14, "32CD32", null,
												"SUCCESS");
										String msg = lcDV.getLastInvokedStep() + "terminated with: " + success;
										lastOperationStatus.setHTML(msg);
										projectSavedWithSuccess = true;
										geoNaMainForm.showAlertOnSaveAction(msg, AlertType.SUCCESS, true);
										purgeFileUploaded();
										break;
									}
									case WARNING: {
										String warning = HTMLUtil.getHTMLElement(HTML_TAG.span, 14, "FF8000", null,
												"WARNING");
										String msg = lcDV.getLastInvokedStep() + "terminated with: " + warning;
										lastOperationStatus.setHTML(msg);
										geoNaMainForm.enableButtonSave(true);
										break;
									}
									case ERROR: {
										String error = HTMLUtil.getHTMLElement(HTML_TAG.span, 14, "FF0000", "bold",
												"ERROR");
										String msg = lcDV.getLastInvokedStep() + "terminated with: " + error;
										lastOperationStatus.setHTML(msg);
										geoNaMainForm.enableButtonSave(true);
										break;
									}
									default:
										break;
									}

									modalContainerPanel.add(htmlPhase);
									modalContainerPanel.add(htmlStep);
									modalContainerPanel.add(lastOperationStatus);

									if (result.getProjectID() != null) {
										modalContainerPanel.add(new HTML("Record id: " + (result.getProjectID())));

										try {
											savedMap.put(result.getProjectID(),
													saveGeonaDataFormsEvent.getTreeNode());
										} catch (Exception e) {
											// TODO: handle exception
										}

										final HorizontalPanel hpGetLink = new HorizontalPanel();
										final LoaderIcon lc = new LoaderIcon("Get link...");
										hpGetLink.add(lc);
										modalContainerPanel.add(hpGetLink);
										GeoportalDataEntryServiceAsync.Util.getInstance().getLinksFor(
												result.getProjectID(), saveGeonaDataFormsEvent.getProfileID(),
												new AsyncCallback<GeoNaItemRef>() {

													@Override
													public void onFailure(Throwable caught) {
														hpGetLink.clear();

													}

													@Override
													public void onSuccess(GeoNaItemRef result) {
														hpGetLink.clear();
														String theURL = result.getRestrictedLink().getShortURL() != null
																? result.getRestrictedLink().getShortURL()
																: result.getRestrictedLink().getCompleteURL();
														String htmlLink = "<div>Go to project: <a href=" + theURL
																+ " target=\"_blank\">" + theURL + "</a></div>";
														HTML html = new HTML(htmlLink);
														hpGetLink.add(html);
														// modal.add(html);
													}
												});
									}

									// geoNaMainForm.enableButtonSave(true);
									// resetUI();

									if (lcDV.getAsJSONString() != null) {
										modalContainerPanel
												.add(new ReportTemplateToHTML(lcDV.getAsJSONString(), false));
									}

								}
							});

					modal.show();
				} else
					geoNaMainForm.enableButtonSave(true);

			}
		});

		appManagerBus.addHandler(TreeItemEvent.TYPE, new TreeItemEventHandler() {

			@Override
			public void onTreeItemEvent(TreeItemEvent treeItemEvent) {

				TreeItem selectedItem = treeItemEvent.getSelectItem();
				NodeItem selectedNode = treeItemEvent.selectedAsNodeItem();

				if (selectedItem == null) {
					selectedItem = geoNaMainForm.getTreeItemPanel().getSelectItem();

					if (selectedItem == null)
						return;

					selectedNode = (NodeItem) selectedItem.getWidget();
				}
				
				GWT.log("TreeItemEvent selected node is: "+selectedNode);
				
				if(selectedNode.isRoot()) {
					return;
				}

				GeoNaFormCardModel nodeCard = selectedNode.getGeoNaFormCardModel();

				switch (treeItemEvent.getActionPerformed()) {
				case SELECTED: {
					geoNaMainForm.enableButtonRemoveSection(false);
					geoNaMainForm.enableButtonDuplicateSection(false);
					geoNaMainForm.setSelectedForm(nodeCard.getMetadataForm());

//					if(nodeCount>1) {
//						geoNaMainForm.enableButtonRemoveSection(true);
//					}
//
					if (nodeCard.getFormCard().isInternalRepeatibleForm()) {
						geoNaMainForm.enableButtonDuplicateSection(true);
					}

					if (selectedNode.isCanBeDeleted()) {
						geoNaMainForm.enableButtonRemoveSection(true);
					}

					break;
				}
				case DELETE: {

					geoNaMainForm.getTreeItemPanel().removeChild(selectedItem.getParentItem(), selectedItem,
							selectedNode.getJsonSectionFullPath());
					geoNaMainForm.resetInputPanel();
					break;
				}

				case DUPLICATE: {

					GWT.log("DUPLICATING node: " + selectedNode.getHtmlNode());

					int nodeCountPerJSONFullPAth = geoNaMainForm.getTreeItemPanel()
							.countNodeForFullPath(selectedNode.getJsonSectionFullPath());

					if (nodeCountPerJSONFullPAth >= nodeCard.getFormCard().getMaxFormRepeatability()) {

						DialogInform di = new DialogInform(new Image(Images.ICONS.accessDenied()), "Maximun reached",
								"Maximun number of data reached for " + nodeCard.getFormCard().getTitle());
						di.center();
						return;
					}

					TreeItem newSubTree = cloneSubTreeItems(selectedItem);
					//TO DEBUG
					//TreeVisitUtil.postOrderVisit(newSubTree);
					TreeItem parentItem = selectedItem.getParentItem();
					int nextSiblingIndex = -1;
					if (parentItem != null) {
						nextSiblingIndex = parentItem.getChildIndex(selectedItem);
						nextSiblingIndex++;
					}
					geoNaMainForm.getTreeItemPanel().addChild(selectedItem.getParentItem(), nextSiblingIndex, newSubTree);
					break;
				}

				default:
					break;
				}

			}
		});

		appManagerBus.addHandler(CreateNewProjectEvent.TYPE, new CreateNewProjectEventHandler() {

			@Override
			public void onCreateNewProject(CreateNewProjectEvent newProjectEvent) {
				GWT.log("Create new project");
				if (!dataEntryProjectCreated) {
					createNewDataEntyFor(newProjectEvent.getProfileID(), newProjectEvent.getHandler(),
							newProjectEvent.getListGcubeProfiles());
					return;
				}

				// means the form was not submitted
				if (savedMap.size() == 0) {

					DialogConfirm confirm = new DialogConfirm(null, "Creating New Project...",
							"The current project (is not saved) and will be lost. Confirm?");

					confirm.getYesButton().addClickHandler(new ClickHandler() {

						@Override
						public void onClick(ClickEvent event) {
							confirm.hide();
							createNewDataEntyFor(newProjectEvent.getProfileID(), newProjectEvent.getHandler(),
									newProjectEvent.getListGcubeProfiles());
							// buildNewCards(orderedCards, OPERATION.NEW);
						}

					});

					confirm.center();

				} else if (projectSavedWithSuccess) {
					// means the project has been saved
					createNewDataEntyFor(newProjectEvent.getProfileID(), newProjectEvent.getHandler(),
							newProjectEvent.getListGcubeProfiles());
					// buildNewCards(orderedCards, OPERATION.NEW);
				} else {

					DialogConfirm confirm = new DialogConfirm(null, "Creating New Project...",
							"The data entry form/s will be cleaned. Confirm?");

					confirm.getYesButton().addClickHandler(new ClickHandler() {

						@Override
						public void onClick(ClickEvent event) {
							confirm.hide();
							createNewDataEntyFor(newProjectEvent.getProfileID(), newProjectEvent.getHandler(),
									newProjectEvent.getListGcubeProfiles());

						}

					});

					confirm.center();
				}

			}
		});

		appManagerBus.addHandler(GetListOfRecordsEvent.TYPE, new GetListOfRecordsEventHandler() {

			@Override
			public void onGetList(GetListOfRecordsEvent getListOfRecordsEvent) {

				SearchingFilter sortFilter = getListOfRecordsEvent.getSortFilter();
				if (sortFilter == null) {
					sortFilter = mainTabPanel.getCurrentSortFilter();
				}
				String profileID = getListOfRecordsEvent.getProfileID();
				if (profileID == null) {
					new DialogInform(null, "Error", "No user case descriptor selected").center();
					return;
				}

				grpw = new GeonaRecordsPaginatedView(appManagerBus, profileID, displayFields, sortFilter);

				mainTabPanel.showListOfConcessioniView(grpw);
			}
		});

		appManagerBus.addHandler(ActionPerformedOnItemEvent.TYPE, new ActionPerformedOnItemEventHandler() {

			@Override
			public <T extends RecordDV> void onDoActionPerformedFired(
					ActionPerformedOnItemEvent<T> actionPerformedOnItemEvent) {
				if (actionPerformedOnItemEvent != null) {

					ACTION_PERFORMED_ON_ITEM action = actionPerformedOnItemEvent.getAction();
					List<T> items = actionPerformedOnItemEvent.getSelectItems();

					if (items == null) {
						if (grpw != null) {
							items = (List<T>) grpw.getSelectItems();
						}
					}

					if (items == null || items.size() == 0) {
						Window.alert("No item selected");
						return;
					}

					T item = items.get(0);

					if (item == null)
						return;

					if (item instanceof ConcessioneDV) {
						final ConcessioneDV concessione = (ConcessioneDV) item;
						GWT.log("onDoActionPerformedFired item: " + concessione);
						switch (action) {
						case UPDATED_PROJECT:
							appManagerBus.fireEvent(new GetListOfRecordsEvent(RECORD_TYPE.CONCESSIONE,
									actionPerformedOnItemEvent.getProfileID(), null,
									mainTabPanel.getCurrentSortFilter()));
							break;
						}
					}
				}

			}
		});

		appManagerBus.addHandler(ActionOnItemEvent.TYPE, new ActionOnItemEventHandler() {

			@Override
			public <T extends RecordDV> void onDoActionFired(ActionOnItemEvent<T> showItemEvent) {

				GWT.log("Fired event: " + showItemEvent);

				if (showItemEvent != null) {

					ACTION_ON_ITEM action = showItemEvent.getAction();
					List<T> items = showItemEvent.getSelectItems();

					if (items == null) {
						if (grpw != null) {
							items = (List<T>) grpw.getSelectItems();
						}
					}

					if (items == null || items.size() == 0) {
						DialogInform di = new DialogInform(null, "No selection",
								"You must select a record in the table");
						di.center();
						return;
					}

					T item = items.get(0);

					if (item == null)
						return;

					if (item instanceof ConcessioneDV) {

						final ConcessioneDV concessione = (ConcessioneDV) item;
						GWT.log("onDoActionFired item: " + concessione);

						// Checking if the user is NOT authorized to perform this action in two ways:
						// 1. the map of actions allowed for the user does not contain the action;
						RoleRights roleRights = myRights.getRoleRights();
						OPERATION_TYPE operationType = roleRights.getListPermessions().get(action);
						boolean allowedOperationForUser = operationType != null ? true : false;
						if (!allowedOperationForUser) {

							String msg = "You are not authorized to perform the action: " + action.getLabel();
							ModalWindow modalW = new ModalWindow(new Image(Images.ICONS.accessDenied()),
									"Forbidden: " + action, msg, AlertType.WARNING);
							modalW.show();
							return;
						}
						// 2. the user cannot access to action (e.g. the user cannot write an item of
						// another user)
						// if so an error is shown
						GcubeUserRole userRole = myRights.getRoleRights().getUserRole();
						boolean allowedWriteActionOnItem = checkAccessToOperationType(userRole, operationType,
								concessione);
						if (!allowedWriteActionOnItem) {
							String title = "Forbidden: missing write access";
							String msg = "You do not have write access to item: " + concessione.getNome();
							if (!userRole.isWriteOwn()) {
								msg = "You do not have write access to item: " + concessione.getNome();
							} else if (!userRole.isWriteAny()) {
								title = "Forbidden: missing ownership";
								msg = "You are not the creator of: " + concessione.getNome()
										+ ". You cannot access to it";
							}
							ModalWindow modalW = new ModalWindow(new Image(Images.ICONS.accessDenied()), title, msg,
									AlertType.WARNING);
							modalW.show();
							return;
						}

						switch (action) {
						case VIEW_ON_MAP:
							final Modal modal = new Modal(true, true);
							modal.setCloseVisible(true);
							final HorizontalPanel hpGetLink = new HorizontalPanel();
							final LoaderIcon lc = new LoaderIcon("Just moment getting link...");
							hpGetLink.add(lc);
							modal.add(hpGetLink);

							final NewBrowserWindow newBrowserWindow = NewBrowserWindow.open("", "_blank", "");

							GeoportalDataEntryServiceAsync.Util.getInstance().getLinksFor(concessione.getItemId(),
									showItemEvent.getProfileID(), new AsyncCallback<GeoNaItemRef>() {
										@Override
										public void onFailure(Throwable caught) {
											hpGetLink.clear();
											Alert alert = new Alert(caught.getMessage(), AlertType.ERROR);
											alert.setClose(false);
											hpGetLink.add(alert);
											newBrowserWindow.close();
										}

										@Override
										public void onSuccess(GeoNaItemRef result) {
											String theURL = result.getRestrictedLink().getShortURL() != null
													? result.getRestrictedLink().getShortURL()
													: result.getRestrictedLink().getCompleteURL();
											newBrowserWindow.setUrl(theURL);
											modal.hide();
										}
									});

							modal.show();

							break;

						case VIEW_REPORT:

							final Modal modal2 = new Modal(true, true);
							modal2.setTitle(
									"<span style='font-size:20px;'>Report: <span style='color:#555; font-size:20px;'>"
											+ concessione.getNome() + "</span></span>");
							modal2.setWidth(800);
							modal2.setCloseVisible(true);
							if (concessione.getValidationReport() == null) {
								modal2.add(new HTML("No report available for: " + concessione.getNome()));
							} else {
								BuildValidationReport buildValidationReport = new BuildValidationReport(
										concessione.getValidationReport());
								modal2.add(buildValidationReport);
							}
							modal2.show();

							break;

						case EDIT_PROJECT:
							final Modal modal3 = new Modal(true, true);
							modal3.setTitle(
									"<span style='font-size:20px;'>Edit: <span style='color:#555; font-size:20px;'>"
											+ concessione.getNome() + "</span></span>");
							modal3.setWidth(950);
							modal3.setHeight("700px");
							modal3.setCloseVisible(true);
							((Element) modal3.getElement().getChildNodes().getItem(1))
									.addClassName("modal-body-custom");
							EditModeRecord emr = new EditModeRecord(appManagerBus, concessione,
									RECORD_TYPE.CONCESSIONE);
							modal3.add(emr);
							modal3.show();
							break;

//						case UPDATED_PROJECT:
//							appManagerBus.fireEvent(new GetListOfRecordsEvent(RECORD_TYPE.CONCESSIONE,
//									mainTabPanel.getCurrentSortFilter()));
//							break;
						case DELETE_PROJECT:

							String htmlMsg = "Going to delete the project with:";
							htmlMsg += "<ul>";
							htmlMsg += "<li>id: " + concessione.getItemId() + "</li>";
							htmlMsg += "<li>name: " + concessione.getNome() + "</li>";
							htmlMsg += "</ul>";
							htmlMsg += "<br>";
							htmlMsg += "This operation cannot be undone. Would you like to proceed?";

							final DialogConfirm dialog = new DialogConfirm(null, "Delete Confirm?", htmlMsg);
							dialog.center();

							dialog.getYesButton().addClickHandler(new ClickHandler() {

								@Override
								public void onClick(ClickEvent event) {
									dialog.hide();
									final Modal modal = new Modal(true, true);
									modal.setCloseVisible(true);
									final HorizontalPanel hp = new HorizontalPanel();
									final LoaderIcon lc = new LoaderIcon("Deleting Project...");
									hp.add(lc);
									modal.add(hp);

									GeoportalDataEntryServiceAsync.Util.getInstance().deleteRecord(
											concessione.getItemId(), RECORD_TYPE.CONCESSIONE,
											new AsyncCallback<Boolean>() {

												@Override
												public void onFailure(Throwable caught) {
													hp.clear();
													Alert alert = new Alert(caught.getMessage(), AlertType.ERROR);
													alert.setClose(false);
													hp.add(alert);

												}

												@Override
												public void onSuccess(Boolean result) {
													if (result) {
														hp.clear();
														Alert alert = new Alert("Project '" + concessione.getNome()
																+ "' deleted correclty", AlertType.INFO);
														alert.setClose(false);
														hp.add(alert);

														appManagerBus.fireEvent(new GetListOfRecordsEvent(
																RECORD_TYPE.CONCESSIONE, grpw.getProfileID(), null,
																mainTabPanel.getCurrentSortFilter()));
													}

												}
											});
									modal.show();
								}
							});

						default:
							break;
						}
					}

				}

			}

		});
	}

	private TreeItem cloneSubTreeItems(TreeItem root) {
		GWT.log("cloneSubTreeItems called");

		if (root == null) {
			GWT.log("cloneSubTreeItems returns, node is null");
			return null;
		}

		GWT.log("cloneSubTreeItems called on: " + root.getText());

		// Cloning
		NodeItem theRootNode = (NodeItem) root.getWidget();
		GeoNaFormCardModel nodeCard = theRootNode.getGeoNaFormCardModel();
		GeoNaFormCardModel newNodeFormCard = buildNewFormCardModelFromProfile(nodeCard.getGcubeProfile(), -1,
				nodeCard.getMetadataProfileBean(), OPERATION.UPDATE);

		// create a new node with the same data as the root node
		boolean canBeDuplicated = newNodeFormCard.getFormCard().isInternalRepeatibleForm();
//		geoNaMainForm.getTreeItemPanel().createAndAddChild(theRootNode.getParentTreeItem(), newNodeFormCard,
//				canBeDuplicated, true, theRootNode.getJsonSectionFullPath());

		TreeItem newTreeItem = new TreeItem(
				new NodeItem(root.getParentItem(), nodeCard.getGcubeProfile().getSectionTitle(), newNodeFormCard,
						canBeDuplicated, true, theRootNode.getJsonSectionFullPath()));
		String parentText = root.getParentItem() != null ? root.getParentItem().getText() : null;
		GWT.log("newTreeItem created: " + newTreeItem.getText() + ", parent is: " + parentText);

		// Total children count
		int total = root.getChildCount();
		// All the children
		for (int i = 0; i < total; i++) {
			TreeItem childCloned = cloneSubTreeItems(root.getChild(i));
			newTreeItem.addItem(childCloned);
		}

		return newTreeItem;

	}

	private boolean checkAccessToOperationType(GcubeUserRole userRole, OPERATION_TYPE allowedAction,
			ConcessioneDV concessione) {

		boolean writeAnyAPassed = false;
		boolean writeOwnPassed = false;

		// Case ADMIN
		if (userRole.isWriteAny()) {
			writeAnyAPassed = true;
		}

		// Case EDITOR
		// Going to check if the user can RW the record is owner of.
		if (userRole.isWriteOwn()) {
			String ownerUser = concessione.getCreationUser();
			if (ownerUser == null || ownerUser.isEmpty()) {
				writeOwnPassed = false;
			} else if (ownerUser.compareTo(myRights.getMyUsername()) == 0) {
				// if my username is equal the owner of the concessione
				writeOwnPassed = true;
			}
		}

		boolean operationAllowed = false;
		switch (allowedAction) {
		case READ:
			// Access to READ operation is allowed to everyone
			operationAllowed = true;
			GWT.log(OPERATION_TYPE.READ + " ALLOWED? " + operationAllowed);
			break;
		case READ_WRITE:
			// Access to READ_WRITE operation
			operationAllowed = writeAnyAPassed || writeOwnPassed;
			GWT.log(OPERATION_TYPE.READ_WRITE + " ALLOWED? " + operationAllowed);
			break;
		case WRITE:
			// Access to WRITE operation
			operationAllowed = writeAnyAPassed || writeOwnPassed;
			GWT.log(OPERATION_TYPE.WRITE + " ALLOWED? " + operationAllowed);
			break;
		case UNKNOWN:
			operationAllowed = false;
			GWT.log(OPERATION_TYPE.UNKNOWN + " ALLOWED? " + operationAllowed);
			break;
		default:
			break;
		}

		return operationAllowed;
	}

	private void purgeFileUploaded() {

		MetadataProfileFormBuilderServiceAsync.Util.getInstance().purgeFilesUploaded(new AsyncCallback<Integer>() {

			@Override
			public void onFailure(Throwable caught) {
				// silent

			}

			@Override
			public void onSuccess(Integer result) {
				GWT.log("Purged " + result + " file/s uploaded");

			}
		});
	}

}