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

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.gcube.portlets.user.geoportaldataviewer.client.gis.OpenLayerOSM;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.products.ConcessioneView;
import org.gcube.portlets.user.geoportaldataviewer.client.util.LoaderIcon;
import org.gcube.portlets.user.geoportaldataviewer.shared.products.ConcessioneDV;

import com.github.gwtbootstrap.client.ui.Button;
import com.github.gwtbootstrap.client.ui.NavLink;
import com.github.gwtbootstrap.client.ui.Tab;
import com.github.gwtbootstrap.client.ui.TabPanel;
import com.github.gwtbootstrap.client.ui.constants.IconType;
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.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.Widget;

public class GeonaDataViewMainPanel extends Composite {

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

	interface GeonaDataViewMainPanelUiBinder extends UiBinder<Widget, GeonaDataViewMainPanel> {
	}

	@UiField
	Tab mapTabPanel;

	@UiField
	NavLink dataPointSelection;

	@UiField
	NavLink dataBoxSelection;
	
	@UiField
	Button removeQuery;
	
	@UiField
	TabPanel mainTabPanel;
	
	private List<Tab> listTabs = new ArrayList<Tab>();

	private MapPanel mapPanel;

	private OpenLayerOSM map;

	private HandlerManager eventBus;
	
	private Map<Long, Tab> mapProducts = new HashMap<Long, Tab>();

	public GeonaDataViewMainPanel(HandlerManager eventBus) {
		initWidget(uiBinder.createAndBindUi(this));
		this.eventBus = eventBus;
		mapPanel = new MapPanel("600px");
		mapTabPanel.add(mapPanel);
		bindHandlers();
		dataPointSelection.setIcon(IconType.SCREENSHOT);
		dataBoxSelection.setIcon(IconType.BOOKMARK);
		
		removeQuery.setIcon(IconType.REMOVE);
	}

	public void setMapHeight(int height) {
		mapPanel.setHeight(height + "px");
	}

	public MapPanel getMapPanel() {
		return mapPanel;
	}

	public void setMap(OpenLayerOSM map) {
		this.map = map;
	}

	public void bindHandlers() {

		dataPointSelection.addClickHandler(new ClickHandler() {

			@Override
			public void onClick(ClickEvent event) {
				map.removeQueryInteractions();
				GWT.log("dataPointSelection.isActive() " + dataPointSelection.isActive());
				if (!dataPointSelection.isActive()) {
					map.addPointVectorSource();
				}
				removeQuery.setVisible(true);
				//dataBoxSelection.setActive(false);
				//dataBoxSelection.getElement().removeClassName("active");
			}
		});

		dataBoxSelection.addClickHandler(new ClickHandler() {

			@Override
			public void onClick(ClickEvent event) {
				map.removeQueryInteractions();
				GWT.log("dataBoxSelection.isActive() " + dataBoxSelection.isActive());
				if (!dataBoxSelection.isActive()) {
					map.addExtentInteraction();
				}
				removeQuery.setVisible(true);
				//dataPointSelection.setActive(false);
				//dataPointSelection.getElement().removeClassName("active");
			}
		});
		
		removeQuery.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				map.removeQueryInteractions();
				removeQuery.setVisible(false);
			}
		});

	}
	
	public void renderProductIntoTab(Tab tab, ConcessioneDV cdv) {
		tab.clear();
		tab.setHeading(cdv.getNome());
		tab.add(new ConcessioneView(cdv));
		mapProducts.put(cdv.getId(), tab);
		selectTabForProductId(cdv.getId());
	}
	
	public boolean selectTabForProductId(long productId) {
		
		Tab product = mapProducts.get(productId);
		if(product!=null) {
			selectTab(product);
			//found
			return true;
		}
		//not found
		return false;
		
	}
	
	/**
	 * Adds the as tab.
	 *
	 * @param tabTitle the tab title
	 * @param tabDescr the tab descr
	 * @param spinner the spinner
	 * @param w the w
	 * @return the tab
	 */
	public Tab addAsTab(String tabTitle, boolean spinner, Widget w){

//		field_create_analytics_request.setActive(false);

		Tab tab = new Tab();
		mainTabPanel.add(tab);
		
		if(spinner) {
			LoaderIcon loader = new LoaderIcon("Loading...");
			tab.add(loader);
		}

		tab.addClickHandler(new ClickHandler() {

			@Override
			public void onClick(ClickEvent event) {

			}
		});
		
		//tab.setActive(true);
		tab.setHeading(tabTitle);
		listTabs.add(tab);

		if(w!=null)
			tab.add(w);
		
		Scheduler.get().scheduleDeferred(new ScheduledCommand() {
			
			@Override
			public void execute() {
				selectTab(tab);
				
			}
		});
		
		return tab;

//		tab.setActive(true);
	}

	
	private void selectTab(Tab theTab) {
		int i = 1;
		for (Tab tab : listTabs) {
			GWT.log("Selecting "+tab);
			tab.setActive(false);
			if(tab.equals(theTab)) {
				GWT.log("Tab selected "+tab);
				mainTabPanel.selectTab(i);
			}
			i++;
		}

	}

}