package ihm.agenda;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.MouseInfo;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.border.LineBorder;

import exception.DroitsInsuffisantsException;
import exception.SuppressionRdvImpossibleException;

import agenda.AgendaImpl;
import agenda.AgendaItf;
import agenda.RendezVous;
import agenda.Semaine;

public class AgendaIHMGraphique extends JPanel implements AgendaIHM
{
	private static final long serialVersionUID = 1L;
	private int droits;
	private int semaineCourante;
	private AgendaImpl agendaDistant;
	private JPanel panelAgenda,panelTopMenu;
	private JButton left,right;
	private JLabel semaine;
	private JTextField numSemaine;
	private JPopupMenu menu;
	

	public AgendaIHMGraphique(int droits,AgendaItf agendaDistant)
	{
		this.agendaDistant = (AgendaImpl) agendaDistant;
		this.droits = droits;
		this.semaineCourante=1;
		
		setMinimumSize(new Dimension(900,560));//largeur*hauteur
		
		this.panelAgenda = new JPanel(new GridLayout(7,10));
		this.panelTopMenu = new JPanel(/*new GridLayout(1,3)*/);
		
		this.left = new JButton("Semaine précédente");
		this.right = new JButton("Semaine suivante");
		this.semaine = new JLabel("Semaine");
		this.numSemaine =new JTextField(""+this.semaineCourante,2);
		
		this.panelTopMenu.add(left);
		this.panelTopMenu.add(semaine);
		this.panelTopMenu.add(numSemaine);
		this.panelTopMenu.add(right);
		
		this.left.addActionListener(new ButtonListener());
		this.right.addActionListener(new ButtonListener());
		this.numSemaine.addActionListener(new ButtonListener());
		
		this.add(this.panelTopMenu, BorderLayout.NORTH);
		this.add(panelAgenda, BorderLayout.CENTER);
	}

	public void affiche()
	{
		// retire les anciens elements du panel agenda
		this.panelAgenda.removeAll();	
		this.panelAgenda.setBorder(new LineBorder(Color.BLACK));
		
		Semaine semaine = this.agendaDistant.getLesSemaines()[this.semaineCourante-1];
			
		for (int i = 0; i < 7; i++)
		{
			// crée le pnale de la journée
			JPanel day = new JPanel();
			day.setBorder(new LineBorder(Color.BLACK));
			day.setLayout(new GridLayout(1,9));
			this.panelAgenda.add(day);
			
			// crée le nom de journée
			JLabel dayName = new JLabel();
			dayName.setHorizontalAlignment(SwingConstants.CENTER);
			dayName.setBorder(new LineBorder(Color.BLACK));
			dayName.setText(semaine.getJour(i+1).getNom() + " " + semaine.getJour(i+1).getNum());

			day.add(dayName);
			
			List<RendezVous> rdvs = semaine.getRendezVous(i+1);
			
			Color color;
			String c;
			// crée chaque plage horaire
			int k=0;
			for (int j = 0; j < 9; j++)
			{
				if(k%2 == 1) c="90";
				else c="AA";
				
				if(i%2 == 1) color=Color.decode("0xFF"+c+c);
				else color=Color.decode("0x"+c+"FF"+c);
				
				// crée le rdv s'il en existe un
				if((k<rdvs.size()) && (rdvs.get(k).getHeureDebut()-8 == j))
				{
					int duree=rdvs.get(k).getHeureFin()-rdvs.get(k).getHeureDebut();
					boolean first=true;
					while(duree>0)
					{
						PlageIHM rdv = new PlageIHM(rdvs.get(k),"",SwingConstants.CENTER);
						rdv.setBorder(new LineBorder(color));
						rdv.setBackground(color);
						rdv.setOpaque(true);
						if(first) rdv.setText(rdvs.get(k).getIntitule());
						rdv.setToolTipText(rdvs.get(k).getIntitule());
						day.add(rdv);
						duree--;
						j++;
						first=false;
					}
					j--;
					k++;
				}
				// crée la pause de midi
				else if(j==4)
				{
					PlageIHM rdv = new PlageIHM(null,"Pause Midi",SwingConstants.CENTER);
					rdv.setBorder(new LineBorder(Color.BLACK));
					rdv.setBackground(Color.decode("0xAAAAFF"));
					rdv.setOpaque(true);
					rdv.setToolTipText("Aucun rendez-vous ne pourra être pris pendant la pause de midi");
					day.add(rdv);
				}
				// crée une plage libre
				else
				{
					PlageIHM rdv = new PlageIHM(null,"",SwingConstants.CENTER);
					rdv.setBorder(new LineBorder(Color.BLACK));
					day.add(rdv);
				}
			}
		}
		this.paintAll(this.getGraphics());
	}

	public String attendreChoix() {return "";}
	
	private class ButtonListener implements ActionListener
	{
		public void actionPerformed(ActionEvent e) 
		{
			if(e.getSource() instanceof JButton)
			{
				JButton b=(JButton) e.getSource();
				if(b.equals(left)) semaineCourante--;
				else if(b.equals(right))semaineCourante++;
			}
			else if(e.getSource() instanceof JTextField)
			{
				String res=numSemaine.getText();
				if(!res.equals("")) semaineCourante=Integer.parseInt(res);
			}
			
			if(semaineCourante<=0) semaineCourante=52;
			else if (semaineCourante>=53) semaineCourante=1;
			
			numSemaine.setText(""+ semaineCourante);
			affiche();
		}
	}
	
	private class PlageIHM extends JLabel
	{
		private static final long serialVersionUID = 1L;
		private RendezVous rdv;
		
		public PlageIHM(RendezVous rdv,String string, int center)
		{
			super(string,center);
			this.rdv = rdv;
			this.setPreferredSize(new Dimension(100,70));
			if(rdv != null) this.addMouseListener(new PlageMouseListener());
		}
	}
	
	private class PlageMouseListener extends MouseAdapter
	{
		private int jour;
		private int sem;
		private int deb;
		
		public void mouseReleased(MouseEvent arg)
		{
			if(menu != null)
			{
				menu.setVisible(false);
			}
			RendezVous rdv = ((PlageIHM)arg.getComponent()).rdv;
			this.jour=rdv.getNumJour()%7;
			this.sem=(this.jour/7);
	    	
			if(this.jour>0) this.sem++;
	    	else this.jour=7;
			
			this.deb = rdv.getHeureDebut();
			
			JMenuItem supprimer = new JMenuItem("supprimer");
			supprimer.setText("Supprimer le rendez-vous");
			supprimer.addActionListener(new SupprimerActionListener());
			
			Point souris = MouseInfo.getPointerInfo().getLocation(); 
			menu = new JPopupMenu();
			menu.add(supprimer);
			menu.setLocation(souris);
			menu.setVisible(true);
		}
		
		private class SupprimerActionListener implements ActionListener
		{
			public void actionPerformed(ActionEvent event) 
			{
				try 
				{
					agendaDistant.supprimerRendezVous(droits, jour, sem, deb);
					affiche();
					menu.setVisible(false);
				} 
				catch (SuppressionRdvImpossibleException e) { e.printStackTrace(); }
				catch (DroitsInsuffisantsException e) { e.printStackTrace(); }
			}
		}
	}
}