/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import java.io.File;
import java.io.IOException;
import java.util.Vector;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.MemberBean;
import model.ObjectPersistance;

/**
 *
 * @author mainr30
 */
public class MemberManager extends HttpServlet {

    private static final long serialVersionUID = -8978694942580274157L;
    ObjectPersistance<MemberBean> ObjectManager;

    @Override
    public void init() throws ServletException {
        String sep = File.separator;
        ObjectManager = new ObjectPersistance<MemberBean>("C:" + sep + "HNC" + sep + "Teststore", "Members");
    }

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String url = "/index.jsp";
        String submit = request.getParameter("submit");
        if (submit != null) {
            if (submit.equals("newmember")) {
                url = "/index.jsp";
            }
            else if (submit.equals("add")) {
                String title = request.getParameter("title");
                String forename = request.getParameter("forename");
                String surname = request.getParameter("surname");
                String postcode = request.getParameter("postcode");
                String email = request.getParameter("email");
                int age = Integer.parseInt(request.getParameter("age"));
                int membertype = Integer.parseInt(request.getParameter("membertype"));
                int id = getId();


                //Create a new instance of the bean
                MemberBean b = new MemberBean(title, forename, surname, postcode, age, email, membertype, id);

                //Pass the bean over to the ObjectManager to be saved(darryl's class)
                ObjectManager.saveObject(b, id);

                //Put all the beans into the response
                request.setAttribute("AllMembers", ObjectManager.getAllObjects());
                url = "/view.jsp";
            }
            else if (submit.equals("view")) {
                url = "/view.jsp";
                //Put all the beans into the response
                request.setAttribute("AllMembers", ObjectManager.getAllObjects());
            }

            else if(submit.equals("delete")){
                url = "/view.jsp";
                String username = request.getParameter("username");
                String password = request.getParameter("password");
                int id = Integer.parseInt(request.getParameter("memberid"));

                if (username.equals("admin") && password.equals("admin")){
                    ObjectManager.deleteObject(id);
                }

                request.setAttribute("Members", ObjectManager.getAllObjects());
            }
        }

        RequestDispatcher dispatcher =
                getServletContext().getRequestDispatcher(url);
        dispatcher.forward(request, response);
    }

    private int getId() throws IOException {
        Vector<Integer> ids = new Vector<Integer>();
        for (MemberBean b : ObjectManager.getAllObjects()) {
            ids.add(b.getId());
        }
        for (int i = 1; i < Integer.MAX_VALUE; i++) {
            if (!ids.contains(i)) {
                return (i);
            }
        }
        throw new IndexOutOfBoundsException("Ran out of numbers");
    }
    // <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>
}