import java.io.*;

import javax.servlet.*;
import javax.servlet.http.*;

import java.lang.*;
import java.util.Vector;
import com.articles.Article;
import com.articles.ArticlePanier;
import com.gestionnaires.Erreur;
import com.gestionnaires.GestionnairePanier;

public class Panier
        extends HttpServlet
{
    com.gestionnaires.GestionnaireArticles gestArts = null;
    
    private void traiteRequeteHttp(HttpServletRequest request, HttpServletResponse response)
    	throws ServletException, IOException
    {
    	HttpSession session = request.getSession(true);
    	Vector<ArticlePanier> vArtsPan = null;
    	Vector<Article> vArts = new Vector<Article>();
    	Article tmpArt = null;
    	String sAction;
    	String sPageAffichage;

    	GestionnairePanier panier = (GestionnairePanier)session.getAttribute("caddy");
    	if ( panier == null )
    	{
    		panier = new GestionnairePanier();
    		
    		session.setAttribute("caddy", panier) ;
    	}

    	sAction = request.getParameter("action");
    	if (sAction == null)
    	{
    		;
    	}
    	else if (sAction.equals("add"))
    	{
			panier.ajouterAchat(request.getParameter("artRef"), Integer.parseInt(request.getParameter("artQuant")));
    	}
    	else if (sAction.equals("del"))
    	{
			panier.enleverAchat(request.getParameter("artRef"));
    	}

    	vArtsPan = panier.donneContenu();

    	for (int i=0; i<vArtsPan.size(); i++)
    	{
    		tmpArt = new Article();
    		tmpArt.setRef(vArtsPan.get(i).getRef());
    		tmpArt.setQuantite(vArtsPan.get(i).getQuantite());
    		tmpArt.setCateg("cat"+i);
    		tmpArt.setDescription("desc"+1);
    		vArts.add(tmpArt);
    	}

    	if (!vArts.isEmpty())
    	{
	        request.setAttribute("articles", vArts);
	        
	        sPageAffichage = "/contenuPanier.jsp";
    	}
    	else
    	{
	        sPageAffichage = "/panierVide.jsp";
    	}

        ServletContext ctx = getServletContext();
        RequestDispatcher rd = ctx.getRequestDispatcher(sPageAffichage);
        rd.forward(request,response);
    }
    
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
    {
    	this.traiteRequeteHttp(request, response);
    }
    
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException
    {
    	this.traiteRequeteHttp(request, response);
    }

    public String getServletInfo() {
        return "Gestion du panier";
    }
}