package org.gcube.portlets.user.speciesdiscovery.client.advancedsearch;

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

import org.gcube.portlets.user.speciesdiscovery.shared.DataSourceCapability;
import org.gcube.portlets.user.speciesdiscovery.shared.DataSourceModel;
import org.gcube.portlets.user.speciesdiscovery.shared.SpeciesCapability;

import com.extjs.gxt.ui.client.widget.ContentPanel;
import com.extjs.gxt.ui.client.widget.form.DateField;
import com.extjs.gxt.ui.client.widget.form.NumberField;
import com.extjs.gxt.ui.client.widget.layout.CardLayout;

/**
 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
 *
 */
public class AdvancedSearchPanelManager extends ContentPanel implements AdvancedSearchInterface{
	
	private static AdvancedSearchPanelManager instance;
	private BoundsFilter boundsFilter;
	private DateFilter dateFilter;
	private RegionFilter regionFilter;
	private DataSourceFilter dataSourceFilter;
	private List<String> listAdvacedPanels = new ArrayList<String>();
	private CardLayout cardLayout = new CardLayout();
//	private ClassificationFilter classificationFilter;
    private HashMap<String,DataSourceModel> listDataSources;
	private SpeciesCapability currentSelectedCapability;

	public static synchronized AdvancedSearchPanelManager getInstance() {
		if (instance == null)
			instance = new AdvancedSearchPanelManager();
		return instance;
	}

	private AdvancedSearchPanelManager(){
		
		boundsFilter = new BoundsFilter();
		dateFilter = new DateFilter();
		regionFilter = new RegionFilter();
		dataSourceFilter = new DataSourceFilter();
//		classificationFilter = new ClassificationFilter();
		
		init();
//		listAdvacedPanels.add(classificationFilter.getName());
		listAdvacedPanels.add(dataSourceFilter.getName());
		listAdvacedPanels.add(boundsFilter.getName());
		listAdvacedPanels.add(dateFilter.getName());
//		listAdvacedPanels.add(regionFilter.getName());

	}

	private void init() {
		
		setLayout(cardLayout);
		setHeaderVisible(false);
		setSize(925, 70);
		setBodyBorder(false);
	
		add(boundsFilter.getPanel());
		add(dateFilter.getPanel());
		add(dataSourceFilter.getPanel());
		add(regionFilter.getPanel());
//		add(classificationFilter.getPanel());
		
		cardLayout.setActiveItem(boundsFilter.getPanel());
	}
	

	public List<String> getListAdvancedSearchPanels(){
		return listAdvacedPanels;	
	}
	
	public void setActivePanel(String name){
		if(name.equals(AdvancedSearchPanelEnum.BOUNDS.getLabel()))
			cardLayout.setActiveItem(boundsFilter.getPanel());
		else if(name.equals(AdvancedSearchPanelEnum.DATE.getLabel()))
			cardLayout.setActiveItem(dateFilter.getPanel());
		else if(name.equals(AdvancedSearchPanelEnum.DATASOURCE.getLabel()))
			cardLayout.setActiveItem(dataSourceFilter.getPanel());
		else if(name.equals(AdvancedSearchPanelEnum.REGION.getLabel()))
			cardLayout.setActiveItem(regionFilter.getPanel());
//		else if(name.equals(AdvancedSearchPanelEnum.CLASSIFICATION.getLabel()))
//			cardLayout.setActiveItem(classificationFilter.getPanel());
	}
	
	
	public ContentPanel getPanel(){
		return this;
	}
	
	
	public NumberField getUpperBoundLatitudeField() {
		return boundsFilter.getUpperBoundLatitudeField();
	}

	public NumberField getUpperBoundLongitudeField() {
		return boundsFilter.getUpperBoundLongitudeField();
	}

	public NumberField getLowerBoundLatitudeField() {
		return boundsFilter.getLowerBoundLatitudeField();
	}

	public NumberField getLowerBoundLongitudeField() {
		return boundsFilter.getLowerBoundLongitudeField();
	}
	
	public DateField getFromDate() {
		return dateFilter.getFromDate();
	}

	public DateField getToDate() {
		return dateFilter.getToDate();
	}

	public void loadDataSource(List<DataSourceModel> result) {
		dataSourceFilter.loadDataSource(result);
		
		listDataSources = new HashMap<String, DataSourceModel>();
		
		//fill hash
		for(DataSourceModel dsm: result){
			listDataSources.put(dsm.getId(), dsm);
		}
		
		setAvailableInfoAdvancedFilters(result);
		
	}
	
	private void setAvailableInfoAdvancedFilters(List<DataSourceModel> result) {
		
		for(DataSourceModel dsm: result){
			for (DataSourceCapability dsc : dsm.getListCapabilities()) {

				ArrayList<SpeciesCapability> properties = dsc.getListFilters();
				
				for (SpeciesCapability capabilityEnum : properties) {
					
//					System.out.println("capability " + capabilityEnum.toString());
					
					if(capabilityEnum.equals(SpeciesCapability.FROMDATE))
						dateFilter.addAvailablePlugInfo(dsm, SpeciesCapability.FROMDATE);
					else if(capabilityEnum.equals(SpeciesCapability.LOWERBOUND))
						boundsFilter.addAvailablePlugInfo(dsm, SpeciesCapability.LOWERBOUND);
					else if(capabilityEnum.equals(SpeciesCapability.TODATE))
						dateFilter.addAvailablePlugInfo(dsm, SpeciesCapability.TODATE);
					else if(capabilityEnum.equals(SpeciesCapability.UPPERBOUND))
						boundsFilter.addAvailablePlugInfo(dsm, SpeciesCapability.UPPERBOUND);
					
				}
			}
		}
		
		
	}
	
	public void setCurrentCapability(SpeciesCapability capability){
		
		this.currentSelectedCapability = capability;
		
		this.capabilityChange();
		
	}
	
	public void setVisibleAllPanel(boolean bool){
		
		boundsFilter.getPanel().setVisible(bool);
		dateFilter.getPanel().setVisible(bool);
		dataSourceFilter.getPanel().setVisible(bool);
		regionFilter.getPanel().setVisible(bool);
//		classificationFilter.getPanel().setVisible(bool);
		
	}

	private void capabilityChange() {
		
//		dataSourceFilter.disableAllCheck();
		dataSourceFilter.enableCheckByCapability(this.currentSelectedCapability);
		
	}

	public List<DataSourceModel> getCheckedDataSources() {
		return dataSourceFilter.getCheckedGroupList();
		
	}
	
	public HashMap<String, DataSourceModel> findDataSourceByCapability(SpeciesCapability capability) {
	
		if(capability.getName().compareTo(SpeciesCapability.RESULTITEM.getName())==0){
			return dataSourceFilter.getHashMapDataSourceOccurrences();
		}
		else if(capability.getName().compareTo(SpeciesCapability.TAXONOMYITEM.getName())==0){
			
			return dataSourceFilter.getHashMapDataSourceClassification();
		}
		
		return null;
	}
	
	
	public DataSourceModel findDataSourceByCapabilityAndName(SpeciesCapability capability, String dataSourceName) {
		
		HashMap<String, DataSourceModel> hashDataSource = findDataSourceByCapability(capability);
		
		if(hashDataSource!=null)
			return hashDataSource.get(dataSourceName);
			
		return null;
	}
	
	

	public SpeciesCapability getCurrentSelectedCapability() {
		return currentSelectedCapability;
	}
	
//	public String getGroupByRank(){
//		return classificationFilter.getSelectedRank();
//	}
	
}