package org.gcube.portlets.user.accountingdashboard.client.application.mainarea.filter;

import java.util.ArrayList;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.inject.Inject;

import org.gcube.portlets.user.accountingdashboard.client.application.mainarea.filter.scopetree.ScopeTreeModel;
import org.gcube.portlets.user.accountingdashboard.client.resources.AppResources;
import org.gcube.portlets.user.accountingdashboard.client.resources.ScopeTreeResources;
import org.gcube.portlets.user.accountingdashboard.shared.data.ScopeData;

import com.github.gwtbootstrap.client.ui.ListBox;
import com.google.gwt.core.client.GWT;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.i18n.client.DateTimeFormat.PredefinedFormat;
import com.google.gwt.i18n.client.LocaleInfo;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.cellview.client.CellTree;
import com.google.gwt.user.cellview.client.CellTree.Resources;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.view.client.ListDataProvider;
import com.gwtplatform.mvp.client.ViewWithUiHandlers;

/**
 * 
 * @author Giancarlo Panichi
 *
 */
public class FilterAreaView extends ViewWithUiHandlers<FilterAreaPresenter>
		implements FilterAreaPresenter.FilterAreaView {

	private static Logger logger = java.util.logging.Logger.getLogger("");

	interface Binder extends UiBinder<Widget, FilterAreaView> {
	}

	@UiField
	HTMLPanel periodPanel;

	@UiField
	HTMLPanel explorePanel;

	@UiField(provided = true)
	ListBox yearStart;

	@UiField(provided = true)
	ListBox monthStart;

	@UiField(provided = true)
	ListBox yearEnd;

	@UiField(provided = true)
	ListBox monthEnd;

	@UiField(provided = true)
	CellTree scopeTree;

	
	private AppResources resources;

	@Inject
	FilterAreaView(Binder uiBinder, AppResources resources) {
		this.resources = resources;
		init();
		initWidget(uiBinder.createAndBindUi(this));

	}

	private void init() {
		yearStart = new ListBox();
		yearStart.setMultipleSelect(false);

		yearEnd = new ListBox();
		yearEnd.setMultipleSelect(false);
		
		
		Date now=new Date();
		String currentYear=DateTimeFormat.getFormat(PredefinedFormat.YEAR).format(now);
		logger.log(Level.FINE, "Current year: " + currentYear);
		int year=Integer.parseInt(currentYear);
		for(int i=2015; i<=year;i++){
			yearStart.addItem(String.valueOf(i));
			yearEnd.addItem(String.valueOf(i));
		}
		
		
		// returns a String array with localized names of the months
		String[] months = LocaleInfo.getCurrentLocale().getDateTimeFormatInfo().monthsFull();
		logger.log(Level.FINE, "Months: " + months.length);
		monthStart = new ListBox();
		monthStart.setMultipleSelect(false);

		monthEnd = new ListBox();
		monthEnd.setMultipleSelect(false);

		for (int i = 0; i < months.length; i++) {
			monthStart.addItem(months[i]);
			monthEnd.addItem(months[i]);
		}
		
		ScopeData children1=new ScopeData("1","children1",null);
		ScopeData children3=new ScopeData("3","children3",null);
		ScopeData children4=new ScopeData("4","children4",null);
	
		

		ArrayList<ScopeData> children2List=new ArrayList<>();
		children2List.add(children3);
		children2List.add(children4);
		ScopeData children2=new ScopeData("2","children2",children2List);
		
		ArrayList<ScopeData> rootList=new ArrayList<>();
		rootList.add(children1);
		rootList.add(children2);
		ScopeData root=new ScopeData("0","root",rootList);
		
		ArrayList<ScopeData> scopeDataList=new ArrayList<>();
		scopeDataList.add(root);
		
		ListDataProvider<ScopeData> dataProvider = new ListDataProvider<ScopeData>(scopeDataList);
		ScopeTreeModel scopeTreeModel=new ScopeTreeModel(dataProvider);
		
		ScopeTreeResources scopeTreeResources = GWT.create(ScopeTreeResources.class);
		scopeTree=new CellTree(scopeTreeModel, null,scopeTreeResources);
	}

}