/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.ryuuji.servlet.profesor;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import logica.Search;
import orm.Asignatura;
import orm.Profesor;

/**
 *
 * @author ryuuji
 */
@WebServlet(name = "ProfesoresServlet", urlPatterns = {"/ProfesoresServlet"})
public class ProfesoresServlet 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 {
        response.setContentType("text/html;charset=UTF-8");
        HttpSession session = request.getSession(false);
        if (session != null) {
            session.invalidate();
        }
        HashMap<Profesor,Asignatura[]> profesoresAsignatura = new HashMap<>();
        Profesor[] profesores = Search.buscarProfesores();
        if(profesores!=null){
            for(Profesor profesor: profesores){
                Asignatura[] asignatura = Search.buscarAsignaturas(profesor);
                profesoresAsignatura.put(profesor, asignatura);
            }
        }
        
        request.setAttribute("profesores",profesoresAsignatura);
        
        request.getRequestDispatcher("profesores.jsp").forward(request, response);
    }

    // <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>

}
