import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Servlet implementation class HobbyServlet
 */
@WebServlet("/HobbyServlet")
public class KirjaamisServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
    int i;
    /**
     * Default constructor.
     */
    public KirjaamisServlet() {
        PreparedStatement stmt = null;
        ResultSet rs1 = null;
        ArrayList<String> hobbStringsies = new ArrayList();

        System.out.println("<table border> </table");
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        PrintWriter out = response.getWriter();

        response.setContentType("text/html");
        out.println("<form action =\"HobbyServlet\" method=\"post\">");

        out.println("<h2>Käyttäjä:</h2>");
        out.println("<input type=\"text\" name=\"username\"><br>");
        out.println("<h2>Salasana:</h2>");
        out.println("<input type=\"text\" name=\"password\"><br><br>");

        out.println("<input type=\"submit\" name=\"Submit\"><br>");
        //Luetaan jo syötetyt harrastukset, ensin session, sitten kaivaa "harrastukset"
        //ja luupata se läpi ja tulostaa ruudulle.
        HttpSession session = request.getSession();
        String sess =  (String) request.getAttribute("harratukset");

         String test = new String ("harrastukset").toString();

        if (sess != null)
        {
         out.print("yhteys");
         }
        else{
            return;
        }

    }
    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        PrintWriter out = response.getWriter();

        Cookie username = new Cookie("username", request.getParameter("name"));
        Cookie password = new Cookie("password", request.getParameter("password"));

        username.setMaxAge(60*60*24);
        password.setMaxAge(60*60*24);

        response.setContentType("text/html");
        //Luetaan doGetissä tehdyn ja lähetetyn lomakkeen kentän arvo
        String hobby = request.getParameter("hobby");
            out.println(hobby);

            HttpSession session = request.getSession(true);
                    // Koska harrastuksia on useita tarvitaan collection.esim: Arralist

             hobbies.add(hobby);
             session.setAttribute("harrastukset", hobbies);

             response.sendRedirect("HobbyServlet");



    }

}