/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ejb.EJB;
import javax.naming.InitialContext;
import javax.naming.NamingException;
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.sql.DataSource;

/**
 *
 * @author Jan Jelonek
 */
@WebServlet(urlPatterns = {"/Solver"})
public class Solver extends HttpServlet {

    @EJB
    private IBlockRemote block;
    private static final long serialVersionUID = 456738747L;

    /**
     * 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, NamingException {
//        response.setContentType("text/html;charset=UTF-8");
//        try {
            PrintWriter out = response.getWriter();
            List<Double[]> inputList = new ArrayList<Double[]>();
//            String tableName = request.getParameter("t");
//            InitialContext ic = new InitialContext();
//            IDSManagerRemote manager = (IDSManagerRemote) ic.lookup(
//                    "java:global/ejb-project/DSManager!pl.jrj.dsm.IDSManagerRemote");
//            String ds = manager.getDS();
//            DataSource dataSource = (DataSource) ic.lookup(ds);
//            String query = "Select * from " + tableName;
//            try {
//                Connection conn = dataSource.getConnection();
//                Statement stmt = conn.createStatement();
//                ResultSet rs = stmt.executeQuery(query);
//                while (rs.next()) {
                Double[] part = new Double[3];
//                    part[0] = rs.getDouble("x");
//                    part[1] = rs.getDouble("y");
//                    part[2] = rs.getDouble("z");
                part[0] = 26.0;
                part[1] = 27.0;
                part[2] = 4.0;
                inputList.add(part);

        Double[] part1 = new Double[3];

        part1[0] = 43.0;
        part1[1] = 19.0;
        part1[2] = 25.0;
        inputList.add(part1);
//                }
//            } catch (SQLException ex) {
//                Logger.getLogger(Solver.class.getName()).
//                        log(Level.SEVERE, null, ex);
//            }
                out.print(block.getLateralSurface(inputList));
//            } catch (Exception ex) {
//                System.out.println("Exception");
//            }
//        }
    }

    // <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 {
        try {
            processRequest(request, response);
        } catch (NamingException ex) {
            System.out.println("Naming exception");
        }
    }

    /**
     * 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 {
        try {
            processRequest(request, response);
        } catch (NamingException ex) {
            System.out.println("Naming exception");
        }
    }

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

}