/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.ufcspa.simdecs.comunicacao;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.ufcspa.simdecs.entidade.ArquivoCaso;

/**
 *
 * @author pbarros
 */
public class MetodoSelecionaJogo extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        PrintWriter out = response.getWriter();
        // alteracao solicitado mosmmann 
        //response.setContentType("text/html;charset=UTF-8");
        
        response.setContentType( "text/xml" );
        response.setHeader( "Cache-Control", "no-cache" );
        ///para devolver arquivo anexo
        //response.addHeader("Content-Disposition", "attachment; filename="+ "teste");
      
        
        EntityManagerFactory emf = Persistence.createEntityManagerFactory("simdecsPU");
        EntityManager em = emf.createEntityManager();
        
        out.println( "<xml>" );
        
        
        List<ArquivoCaso> arquivos;
        try {
            
            if(request.getParameter("Tipo").trim().equals("Medicina"))
            {
                arquivos =  em.createQuery("select arq from ArquivoCaso as arq ").getResultList();
                if(arquivos.isEmpty())
                {
                    out.println( "<game>" );
                    out.println( "<titulo>" + "Nenhuma rede disponível" + "</titulo>" );
                    out.println( "<descricao>" + "Nenhuma rede disponível" + "</descricao>" );
                    out.println( "<id>" + "0" + "</id>" );
                    out.println( "</game>" );
                }
                else
                {
                    StringBuffer arqBuffer = new StringBuffer();
                    for (ArquivoCaso arq : arquivos ) {  
                    //List selecionavel = new ArrayList();
                        
                        out.println( "<game>" );
                        out.println( "<titulo>" + arq.getNome() + "</titulo>" );
                        out.println( "<descricao>" + arq.getNome() + "</descricao>" );
                        out.println( "<id>" + String.valueOf(arq.getId()) + "</id>" );
                        out.println( "</game>" );
                    }
                    //request.setAttribute("rede", arqBuffer);
                    //out.println(arqBuffer.toString());
                    
                    
                }
            }
            else
            {
                out.println( "<rede>" + "Tipo Inválido" + "</rede>" );
                out.println( "<idRede>" + "0" + "</idRede>" );
                
            }
        } finally {         
            out.println( "</xml>" );
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
        
        
        
        
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}