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

import org.gcube.portlets.user.geoportaldataentry.client.ConstantsGeoPortalDataEntryApp.RECORD_FIELD;
import org.gcube.portlets.user.geoportaldataentry.client.ConstantsGeoPortalDataEntryApp.RECORD_TYPE;
import org.gcube.portlets.user.geoportaldataentry.client.events.CreateNewProjectEvent;
import org.gcube.portlets.user.geoportaldataentry.client.events.GetListOfRecordsEvent;
import org.gcube.portlets.user.geoportaldataentry.client.ui.form.GeonaDataEntryMainForm;
import org.gcube.portlets.user.geoportaldataentry.client.ui.utils.LoaderIcon;
import org.gcube.portlets.user.geoportaldataentry.shared.SortFilter;
import org.gcube.portlets.user.geoportaldataentry.shared.SortFilter.ORDER;

import com.github.gwtbootstrap.client.ui.Dropdown;
import com.github.gwtbootstrap.client.ui.NavLink;
import com.github.gwtbootstrap.client.ui.Tab;
import com.github.gwtbootstrap.client.ui.TextBox;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * The Class GeonaMainTabPanel.
 *
 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
 * 
 *         Aug 5, 2021
 */
public class GeonaMainTabPanel extends Composite {

	private static final String LABEL_FILTER_SEPARATOR = " - ";

	private static GeonaMainTabPanelUiBinder uiBinder = GWT.create(GeonaMainTabPanelUiBinder.class);

	/**
	 * The Interface GeonaMainTabPanelUiBinder.
	 *
	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
	 * 
	 *         Aug 5, 2021
	 */
	interface GeonaMainTabPanelUiBinder extends UiBinder<Widget, GeonaMainTabPanel> {
	}

	/** The geona main form panel. */
	@UiField
	HTMLPanel geonaMainFormPanel;

	@UiField
	HTMLPanel geonaListOfConcessioniPanel;

	/** The loader. */
	@UiField
	LoaderIcon loader;

	@UiField
	NavLink buttCreateNewProject;

	@UiField
	NavLink buttonReloadConcessioni;

	@UiField
	Tab tabNewProject;

	@UiField
	Tab tabGetListOfProjects;

	@UiField
	Dropdown dropdownSortBy;

	@UiField
	TextBox textBoxSortBy;

	private HandlerManager appManagerBus;

	private RECORD_FIELD[] sortByFields;

	private SortFilter currentSortFilter;

	/**
	 * Instantiates a new geona main tab panel.
	 *
	 * @param appManagerBus     the first name
	 * @param sortByFields      the sort by fields
	 * @param initialSortFilter
	 */
	public GeonaMainTabPanel(HandlerManager appManagerBus, RECORD_FIELD[] sortByFields, SortFilter initialSortFilter) {
		initWidget(uiBinder.createAndBindUi(this));
		this.appManagerBus = appManagerBus;
		this.sortByFields = sortByFields;
		setCurrentSortFilter(initialSortFilter);
		bindEvents();

	}

	/**
	 * Bind events.
	 */
	private void bindEvents() {

		buttCreateNewProject.addClickHandler(new ClickHandler() {

			@Override
			public void onClick(ClickEvent event) {
				appManagerBus.fireEvent(new CreateNewProjectEvent());

			}
		});

		buttonReloadConcessioni.addClickHandler(new ClickHandler() {

			@Override
			public void onClick(ClickEvent event) {
				appManagerBus.fireEvent(new GetListOfRecordsEvent(RECORD_TYPE.CONCESSIONE, getCurrentSortFilter()));

			}
		});

		tabGetListOfProjects.addClickHandler(new ClickHandler() {

			@Override
			public void onClick(ClickEvent event) {

				GeonaRecordsPaginatedView grpw = new GeonaRecordsPaginatedView(appManagerBus, RECORD_TYPE.CONCESSIONE,
						null, currentSortFilter);
				showListOfConcessioniView(grpw);

			}
		});

		for (RECORD_FIELD record_FIELD : sortByFields) {

			// ASC
			SortFilter sortFilter = new SortFilter(record_FIELD, ORDER.ASC);
			String labelASC = toLabelFilter(sortFilter);
			NavLink nav = new NavLink(labelASC);
			dropdownSortBy.add(nav);

			nav.addClickHandler(new ClickHandler() {

				@Override
				public void onClick(ClickEvent event) {
					GWT.log("Sort by: " + sortFilter);
					setCurrentSortFilter(sortFilter);
					appManagerBus.fireEvent(new GetListOfRecordsEvent(RECORD_TYPE.CONCESSIONE, getCurrentSortFilter()));
				}
			});

//			//DESC
			SortFilter sortFilter2 = new SortFilter(record_FIELD, ORDER.DESC);
			String labelASC2 = toLabelFilter(sortFilter2);
			NavLink nav2 = new NavLink(labelASC2);
			dropdownSortBy.add(nav2);

			nav2.addClickHandler(new ClickHandler() {

				@Override
				public void onClick(ClickEvent event) {
					GWT.log("Sort by: " + sortFilter2);
					setCurrentSortFilter(sortFilter2);
					appManagerBus.fireEvent(new GetListOfRecordsEvent(RECORD_TYPE.CONCESSIONE, getCurrentSortFilter()));
				}
			});
		}

	}

	/**
	 * Adds the form panel.
	 *
	 * @param formPanel the form panel
	 */
	public void addFormPanel(GeonaDataEntryMainForm formPanel) {
		geonaMainFormPanel.add(formPanel);
	}

	/**
	 * Show list of concessioni view.
	 *
	 * @param grpw the grpw
	 */
	public void showListOfConcessioniView(GeonaRecordsPaginatedView grpw) {
		geonaListOfConcessioniPanel.clear();
		VerticalPanel htmllPanel = new VerticalPanel();
		htmllPanel.add(grpw.getCellPanel());
		htmllPanel.add(grpw.getPagerPanel());
		geonaListOfConcessioniPanel.add(htmllPanel);
	}

	/**
	 * Sets the loader visible.
	 *
	 * @param txtHTML the txt HTML
	 * @param visible the visible
	 */
	public void setLoaderVisible(String txtHTML, boolean visible) {
		loader.setText(txtHTML);
		loader.setVisible(visible);
	}

	private void setCurrentSortFilter(SortFilter sortFilter) {
		this.currentSortFilter = sortFilter;
		this.textBoxSortBy.setText(toLabelFilter(sortFilter));
	}

	/**
	 * To label filter.
	 *
	 * @param sortFilter the sort filter
	 * @return the string
	 */
	public String toLabelFilter(SortFilter sortFilter) {

		String labelFilter = sortFilter.getOrderByField().getDisplayName() + LABEL_FILTER_SEPARATOR
				+ sortFilter.getOrder().name();
		GWT.log("Got " + sortFilter);
		return labelFilter;
	}

	/**
	 * To sort filter.
	 *
	 * @param labelFilter the label filter
	 * @return the sort filter
	 */
	/*public SortFilter toSortFilter(String labelFilter) {

		String[] array = labelFilter.split(LABEL_FILTER_SEPARATOR);

		SortFilter sortFilter = null;
		try {
			RECORD_FIELD recordField = RECORD_FIELD.valueOf(array[0]);
			ORDER orderField = ORDER.valueOf(array[1]);
			sortFilter = new SortFilter(recordField, orderField);
		} catch (Exception e) {

		}

		GWT.log("Got " + sortFilter);
		return sortFilter;

	}*/

	public SortFilter getCurrentSortFilter() {
		return currentSortFilter;
	}

}