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

import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Collection;
import java.util.Iterator;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author FITIMLEHT
 */
@WebServlet(name = "CustomerServlet", urlPatterns = {"/CustomerServlet"})
public class CustomerServlet extends HttpServlet {

    @EJB
    CustomerService cs;

    /**
     * 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");

        if ("true".equals(request.getParameter("display"))) {
            PrintWriter out = response.getWriter();
            MyCustomer c = cs.getCustomer(request.getParameter("uname"));

            out.println(c.getUname() +"<br>");
            out.println(c.getName() +"<br>");
            out.println(c.getAddress() +"<br>");
            MyOrder myo;
            Iterator<MyOrder> ite = c.getOrders().iterator();
            while(ite.hasNext()){
                myo = ite.next();
                out.println("tuotteet<br>");
                out.println(myo.getId() +"<br>");
                out.println(myo.getProduct() +"<br>");
                out.println(myo.getQuantity() +"<br>");
            }



        } else {
            if (request.getParameter("uname") == null) {
                return;
            }

            String uname = request.getParameter("uname") + "";
            String name = request.getParameter("name") + "";
            String addres = request.getParameter("address") + "";

            String product = request.getParameter("product") + "";
            String quantity = request.getParameter("quantity") + "";

            MyOrder ord = new MyOrder();
            ord.setProduct(product);
            ord.setQuantity(quantity);

            MyCustomer cus;
            cus = cs.getCustomer(uname);
            if(cus==null) cus = new MyCustomer();
            cus.setUname(uname);
            cus.setName(name);
            cus.setAddress(addres);

            cus.getOrders().add(ord);

            cs.saveCustomer(cus);

            cs.testCreateQuery();
        }


    }

    // <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>
}