package org.gcube.portlets.user.notifications.client.view;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.TreeMap;

import org.gcube.portlets.user.gcubewidgets.client.popup.GCubeDialog;
import org.gcube.portlets.user.notifications.client.NotificationsServiceAsync;
import org.gcube.portlets.user.notifications.client.view.templates.CategoryWrapper;
import org.gcube.portlets.user.notifications.client.view.templates.NotificationPreferenceView;
import org.gcube.portlets.user.notifications.shared.NotificationPreference;


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.user.client.DOM;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.CheckBox;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasAlignment;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;


/**
 * @author Massimiliano Assante ISTI-CNR
 *
 */
public class NotificationSettings extends GCubeDialog {

	private VerticalPanel mainPanel = new VerticalPanel();
	private VerticalPanel container = new VerticalPanel();
	private HorizontalPanel buttonsContainerPanel = new HorizontalPanel();
	private HorizontalPanel buttonsPanel = new HorizontalPanel();
	
	public static final String loading = GWT.getModuleBaseURL() + "../images/feeds-loader.gif";
	public static final String mailSentOK = GWT.getModuleBaseURL() + "../images/yes.png";
	public static final String mailSentNOK = GWT.getModuleBaseURL() + "../images/warning_blue.png";
	
		
	private Button cancel = new Button("Cancel");
	private Button save = new Button("Save");
	
	private LinkedHashMap<String, ArrayList<NotificationPreference>> preferences;
	
	public NotificationSettings(LinkedHashMap<String, ArrayList<NotificationPreference>> preferences, final NotificationsServiceAsync notificationService) {
		super();
		ScrollPanel scroller = new ScrollPanel();
		scroller.setWidth("890px");
		scroller.setHeight("500px");
		this.preferences = preferences;
		buttonsPanel.setWidth("100%");
		buttonsPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
		
		container.setStyleName("user-notification");
		container.setWidth("850px");
		
		for (String category : preferences.keySet()) {
			container.add(new CategoryWrapper(category));
			for (NotificationPreference pref : preferences.get(category)) {
				container.add(new NotificationPreferenceView(pref));	
			}
		}	
		
	
		
		buttonsContainerPanel.add(cancel);
		buttonsContainerPanel.add(save);
		buttonsPanel.add(buttonsContainerPanel);
		//container.add(buttonsPanel);

		
		setText("Notification Settings");
		scroller.add(container);
		mainPanel.add(scroller);		
		mainPanel.add(buttonsPanel);
		setWidget(mainPanel);
			
		save.addClickHandler(new ClickHandler() {
			@Override
			public void onClick(ClickEvent event) {
			
			}
		});
		
		cancel.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				hide();				
			}
		});
		
	}
	
	private void showDeliveryResult(boolean success) {
		container.clear();
		container.setHorizontalAlignment(HasAlignment.ALIGN_CENTER);
		container.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
		if (success) {
			setText("Notifications Settings Saved");
			container.add(new Image(mailSentOK));
		}
		else {
			setText("Notifications Settings Saving Error");
			container.add(new Image(mailSentNOK));
			container.add(new HTML("There were problems contacting the server, please try again in a short while."));
			Button close = new Button("Close");
			close.addClickHandler(new ClickHandler() {				
				@Override
				public void onClick(ClickEvent event) {
					hide();					
				}
			});
		}
		Button close = new Button("Close");
		close.addClickHandler(new ClickHandler() {		
			@Override
			public void onClick(ClickEvent event) {
				hide();				
			}
		});
		container.add(close);		
	}

}