// JSON SCRIPT:

$('#reg_btn1').on('click', function(e) {
    e.preventDefault();
    var objectArray = $("#register-form :input").serializeArray(); // Make an array of input vals
    var data, objectData = {};
    action = 'new', name = null;

    for (var i in objectArray)
    {
        name = objectArray[i].value;
        objectData[objectArray[i].name] = objectArray[i].value;
    };

    // Delete stuff that's not needed for processing
    delete objectData.confirm_password;
    delete objectData.cbTos;

    data = { 'action' : action, 'data' : objectData };

    data =  JSON.stringify(data);

    data = "reg=" + data;

    $.ajax({
        type: "POST",
        url: "<%=request.getContextPath()%>/RegisterServlet",
        data: data,
        dataType: "json"
      }).
        success(function(res){
            if(res.url != null)
            {
                alert(res.url);
                window.location.href = res.url;
            }

        }).
        error(function(res){

        });
  });
});

// SERVLET
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        System.out.println("doso na REGSERVLET - POST");

         response.setHeader("Cache-Control", "no-cache, max-age=0, must-revalidate, no-store");
         getServletContext().removeAttribute("data");
         WebShop ws = (WebShop)this.getServletContext().getAttribute("webShop");


         String jsonData = request.getParameter("reg");
            System.out.println("jsonData: " + jsonData);

            ObjectMapper mapper = new ObjectMapper();

            JsonNode rootNode = mapper.readTree(jsonData);

            JsonNode actionNode = rootNode.path("action");

            System.out.println(actionNode.toString());
            if (actionNode.toString().replace("\"", "").equals("new"))
            {
                JsonNode dataNode = rootNode.path("data");
                User u = mapper.readValue(dataNode.toString(), User.class);
                u.setRole(UserRole.USER.getValue()); // We assume that reg'd user is a normal user..it can be later be promoted by an admin to a mod/admin.
                System.out.println("Username: " + u.getUsername());
                System.out.println("USERS: " + ws.getUsers().toString());

                if (u.getUsername().isEmpty() || u.getEmail().isEmpty() || u.getLastName().isEmpty() || u.getName().isEmpty() || u.getPassword().isEmpty() || u.getPhone().isEmpty())
                {
                    outputMessage(request, response, new Message("All fields must contain data! Please try again.", "danger"));
                    return;
                }
                if (ws.getUsers().containsKey(u.getUsername()))
                {
                    outputMessage(request, response, new Message("Account with that username already exists, please choose another username.", "danger"));
                    return;
                }

                ws.addUser(u);
                System.out.println("user: " + u.toString());

           //    RequestDispatcher disp = request.getRequestDispatcher("views/main.jsp");
           //    disp.forward(request, response);
            }
            else if (actionNode.toString().replace("\"", "").equals("edit"))
            {
                // TODO: fixme
                // For editing user
            }
            else if (actionNode.toString().replace("\"", "").equals("delete"))
            {
                // TODO: fixme
                // Deleting a user
            }
            // Make a new JSON object for a response, we can pass here anything we want. Feedback message, redirect URL, apple pie...
            response.setContentType("application/json");
            JSONObject obj = new JSONObject();
            try {
                obj.put("message", "User successfully.");
                obj.put("url", "test.jsp");
            } catch (JSONException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            PrintWriter pw = response.getWriter();
            pw.print(obj);
            System.out.println("Poslao response: " + pw.toString());

    }