package siprp.higiene.gestao;

import info.clearthought.layout.TableLayout;
import info.clearthought.layout.TableLayoutConstraints;

import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.List;

import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;

import siprp.database.cayenne.objects.Empresas;
import siprp.database.cayenne.providers.MedicinaDAO;

public class EmpresaPanel extends JPanel
{

	private static final long serialVersionUID = 1L;
	
	private final JComboBox comboEmpresa = new JComboBox();
	
	private final GerirEmpresaPanel panelEmpresa = new GerirEmpresaPanel();
	
	private final GerirEstabelecimentosPanel panelEstabelecimentos = new GerirEstabelecimentosPanel();
	
	private final JTabbedPane tabs = new JTabbedPane();

	public EmpresaPanel()
	{
		startupComponents();
		setupLayout();
		placeComponents();
		startupListeners();
	}
	
	private void startupComponents()
	{
		List<Empresas> empresas = new MedicinaDAO().getAllEmpresas();
		if( empresas != null )
		{
			for( Empresas empresa : empresas )
			{
				comboEmpresa.addItem( empresa );
			}
			if( comboEmpresa.getItemCount() > 0 )
			{
				comboEmpresa.setSelectedIndex( 0 );
			}
		}
		tabs.addTab( "Empresa", panelEmpresa );
		tabs.addTab( "Estabelecimentos", panelEstabelecimentos );
	}
	
	private void setupLayout()
	{
		double[] cols = new double[]{
		                             TableLayout.MINIMUM, TableLayout.FILL,
		};
		double[] rows = new double[]{
		                             TableLayout.MINIMUM, TableLayout.FILL,
		};
		TableLayout layout = new TableLayout(cols,rows);
		layout.setHGap( 10 );
		layout.setVGap( 10 );
		this.setLayout( layout );
	}
	
	private void placeComponents()
	{
		this.add( new JLabel( "Empresa" ), new TableLayoutConstraints(0,0) );
		this.add( comboEmpresa, new TableLayoutConstraints(1,0) );
		this.add( tabs, new TableLayoutConstraints(0,1,1,1) );
	}
	
	private void startupListeners()
	{
		comboEmpresa.addItemListener( new ItemListener(){
			@Override
			public void itemStateChanged( ItemEvent e )
			{
				Object item = e.getItem();
				if( item != null && ItemEvent.SELECTED == e.getStateChange() )
				{
					if( item instanceof Empresas )
					{
						panelEmpresa.setEmpresa( (Empresas) item );
						panelEstabelecimentos.setEmpresa( (Empresas) item );
					}
				}
				else if( ItemEvent.DESELECTED == e.getStateChange() )
				{
					panelEmpresa.setEmpresa( null );
					panelEstabelecimentos.setEmpresa( null );
				}
			}		
		});
	}
	
}