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

import java.util.List;

import org.gcube.application.geoportalcommon.shared.GeoportalItemReferences;
import org.gcube.application.geoportalcommon.shared.geoportal.project.RelationshipDV;
import org.gcube.application.geoportalcommon.shared.geoportal.view.ProjectView;
import org.gcube.application.geoportalcommon.shared.geoportal.view.SectionView;
import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerServiceAsync;
import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.ModalWindow;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.dialogs.DialogShareableLink;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil.Location;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil.PLACE;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.MapView;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.CustomFlexTable;

import com.github.gwtbootstrap.client.ui.Button;
import com.github.gwtbootstrap.client.ui.constants.ButtonType;
import com.github.gwtbootstrap.client.ui.constants.IconType;
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.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Widget;

import ol.Coordinate;

public class ProjectViewer extends Composite {

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

	interface ProjectViewerUiBinder extends UiBinder<Widget, ProjectViewer> {
	}

	@UiField
	HTMLPanel headerPanel;

	@UiField
	HTMLPanel pageViewDetails;

	@UiField
	HTMLPanel centroidPanel;

	@UiField
	Button shareButton;

	@UiField
	Button expandButton;
	
	@UiField
	Button relationshipsButton;

	private ProjectView theProjectView;

	private CustomFlexTable customTable = new CustomFlexTable();

	private GeoportalItemReferences geoportalItemReferences;

	private String myLogin;

	private boolean viewImageButtonVisible = true;

	private boolean openImageButtonVisible = true;

	private ProjectViewer() {
		initWidget(uiBinder.createAndBindUi(this));
		pageViewDetails.getElement().setId("page-view-details");
	}

	public ProjectViewer(GeoportalItemReferences geoportalItemRefs, ProjectView projectView) {
		this(geoportalItemRefs, projectView, true, true);
	}

	public ProjectViewer(GeoportalItemReferences geoportalItemRefs, final ProjectView projectView, boolean viewImageButtonVisible,
			boolean openImageButtonVisible) {
		this();
		GWT.log("Rendering " + projectView.getTheProjectDV().getId());
		this.theProjectView = projectView;
		this.geoportalItemReferences = geoportalItemRefs;
		this.viewImageButtonVisible = viewImageButtonVisible;
		this.openImageButtonVisible = openImageButtonVisible;

		final String theTitle = projectView.getTheProjectDV().getProfileName() != null
				? projectView.getTheProjectDV().getProfileName()
				: projectView.getTheProjectDV().getId();

		headerPanel.add(new HTML("Project: " + theTitle));

		shareButton.setType(ButtonType.LINK);
		shareButton.setIcon(IconType.SHARE);
		shareButton.setTitle("Get a link to share with...");

		shareButton.addClickHandler(new ClickHandler() {

			@Override
			public void onClick(ClickEvent event) {
				DialogShareableLink dg = new DialogShareableLink(geoportalItemReferences, null);

			}
		});

		expandButton.setType(ButtonType.LINK);
		expandButton.setIcon(IconType.EXPAND);
		expandButton.setTitle("Show this view in new Window");

		expandButton.addClickHandler(new ClickHandler() {

			@Override
			public void onClick(ClickEvent event) {

				ProjectViewer cv = new ProjectViewer(geoportalItemReferences, theProjectView, false, openImageButtonVisible);
				cv.setExpandViewButtonVisible(false);
				int width = Window.getClientWidth() * 75 / 100;
				int height = Window.getClientHeight() * 70 / 100;
				ModalWindow mw = new ModalWindow(theTitle, width, height);
				mw.add(cv);
				mw.setCaller(ProjectViewer.this);
				// mw.setWidth(900);
				mw.show();

			}
		});
		
		relationshipsButton.setType(ButtonType.LINK);
		relationshipsButton.setIcon(IconType.LINK);
		relationshipsButton.setTitle("Show Relationships of this Project");
		
		List<RelationshipDV> relationships = projectView.getTheProjectDV().getRelationships();
		if(relationships!=null && relationships.size()>0) {
			relationshipsButton.setVisible(true);
		}else
			relationshipsButton.setVisible(false);
		

		GeoportalDataViewerServiceAsync.Util.getInstance().getMyLogin(new AsyncCallback<String>() {

			@Override
			public void onSuccess(String result) {
				myLogin = result;
				addCentroidMap();
			}

			@Override
			public void onFailure(Throwable caught) {
			}
		});

		for (SectionView sectionView : projectView.getListSections()) {

			if (!sectionView.isEmpty()) {
				SectionViewer sectionViewer = new SectionViewer(sectionView);
				pageViewDetails.add(sectionViewer);
			}
		}
	}

	private void addCentroidMap() {
		Location italyLocation = ExtentMapUtil.getLocation(PLACE.ITALY);
		Coordinate transformedCenterCoordinate = italyLocation.getCoordinate(MAP_PROJECTION.EPSG_3857);
		MapView mapView = new MapView(transformedCenterCoordinate,
				GeoportalDataViewerConstants.LIGHT_MAP_ITALY_FIT_ZOOM_ON, "70%", "300px");

		if (theProjectView != null && theProjectView.getCentroidLat() != null
				&& theProjectView.getCentroidLong() != null) {
			Coordinate coord = new Coordinate(theProjectView.getCentroidLong(), theProjectView.getCentroidLat());
			Coordinate transfCoord = MapUtils.transformCoordiante(coord, MAP_PROJECTION.EPSG_4326.getName(),
					MAP_PROJECTION.EPSG_3857.getName());
			// Coordinate invertedCoordinate = MapUtils.reverseCoordinate(coord);
			boolean authenticatedUser = myLogin != null ? true : false;
			mapView.addMarker(transfCoord, authenticatedUser);
			centroidPanel.add(mapView);
		} else if (theProjectView != null) {
			GeoportalDataViewerConstants
					.printJs("I cannot add centroid as maker one or both coordinates are null. Lat: "
							+ theProjectView.getCentroidLong() + ", Long:" + theProjectView.getCentroidLat());
		}
	}

	public ProjectView getProjectView() {
		return theProjectView;
	}

	protected void setExpandViewButtonVisible(boolean bool) {
		expandButton.setVisible(bool);
	}

}