import net.jini.core.event.EventRegistration;
import net.jini.core.event.RemoteEvent;
import net.jini.core.event.RemoteEventListener;
import net.jini.core.event.UnknownEventException;
import net.jini.core.lease.Lease;
import net.jini.core.lookup.ServiceEvent;
import net.jini.core.lookup.ServiceItem;
import net.jini.core.lookup.ServiceRegistrar;
import net.jini.core.lookup.ServiceTemplate;
import net.jini.discovery.DiscoveryEvent;
import net.jini.discovery.DiscoveryListener;
import net.jini.discovery.LookupDiscovery;
import net.jini.lease.LeaseRenewalManager;

import javax.swing.*;
import java.awt.*;
import java.rmi.RMISecurityManager;
import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;

/**
 * The client application and UI logic, communicates with the HealthSpa server.
 *
 * @author Cormac Redmond -- credmond85 /at/ gmail
 */
public class ClientUI extends javax.swing.JFrame {
    /*
     *Global variables
     */
    private LinkedList<ModelObject> roomList;
    private LinkedList<ModelObject> staffList;
    private LinkedList<ModelObject> memberList;
    private HealthSpaInterface healthSpa;
    private String guiUsername;
    private String guiPassword;
    private boolean loggedIn;
    private boolean isAdmin;
    private ModelObject member;
    private eventListener eventCatcher;
    private int LEASE_TIME = 10 * 60 * 1000; // 10 mins
    LeaseRenewalManager leaseManager = new LeaseRenewalManager();
    private boolean cancelled = false;
    eventListener cancellationListener;
    protected ServiceTemplate template;
    protected LookupDiscovery disco;

    // An inner class to listen for events from a lookup service (reggie)
    class eventListener extends UnicastRemoteObject implements RemoteEventListener {
        public eventListener() throws RemoteException {
        }

        // Called when an event is received for a lookup service

        public void notify(RemoteEvent ev) throws RemoteException, UnknownEventException {
            System.out.println("Got an event from: " + ev.getSource());
            //Make sure its a service event
            if (ev instanceof ServiceEvent) {
                ServiceEvent sev = (ServiceEvent) ev;
                ServiceItem item = sev.getServiceItem();
                //We can be certain that it is a HealthSpaInterface proxy
                healthSpa = (HealthSpaInterface) item.service;

                System.out.println("Got proxy from an event, about to populate it..");

                //Now contact the server and populate the GUI
                populateGUI();

            }
            if (ev instanceof CancellationEvent) {
                CancellationEvent cancellationEvent = (CancellationEvent) ev;
                System.out.println("Received a CancellationEvent");
                //Inform user (in a new thread) about the cancellation
                //Why new thread? Because RemoveEventListener.notify is NOT asynchronous (see document).
                informCancellationGUI(cancellationEvent.getHour(), cancellationEvent.getDay(), cancellationEvent.getWeek(), cancellationEvent.getRoomCode(), cancellationEvent.getRoomName());
            } else {
                System.out.println("Not a relevant event, " +
                        "ignoring");
            }
        }
    }

    //A listener used to listen for lookup services
    class Listener implements DiscoveryListener {
        public void discovered(DiscoveryEvent ev) {
            //An array of lookup services
            ServiceRegistrar[] newregs = ev.getRegistrars();
            System.out.println("Discovered something...");

            //For each one, see if it provides the service we want
            for (int i = 0; i < newregs.length; i++) {
                Object o = lookForService(newregs[i]);

                //If we have a proxy
                if (o != null) {
                    healthSpa = (HealthSpaInterface) o;
                    System.out.println("Got proxy, populating UI...");
                    //Talk to server an populate GUI
                    populateGUI();

                    //Dont bother looking any further
                    break;
                }
            }
        }

        public void discarded(DiscoveryEvent ev) {
        }
    }

    /**
     * Creates new form ClientUI
     */
    public ClientUI() {
        initComponents();
        try {
            //Inform the user that there may be delay...(i.e., if a service is not yet online)
            int n = JOptionPane.showConfirmDialog(
                    this,
                    "\nContacting server - the application will be usable in a moment.",
                    "Contacting Because You're Loaded",
                    -1);

            //Show hourglass cursor
            this.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
            this.loginButton.setEnabled(false);

            //The type of service we want to find
            Class[] types = {
                    HealthSpaInterface.class
            };
            template = new ServiceTemplate(null, types, null);
            // Set a security manager
            if (System.getSecurityManager() == null) {
                System.setSecurityManager(new RMISecurityManager());
            }
            //Instantiate our event catcher
            eventCatcher = new eventListener();
            // Only search the public group
            disco = new LookupDiscovery(new String[]{""});

            // Install a listener
            disco.addDiscoveryListener(new Listener());


        } catch (Exception ex) {
            System.err.println(ex);
            System.exit(0);
        }

    }

    // Once we've found a new lookup service, search for proxies that
    // implement HelloWorldServiceInterface
    protected Object lookForService(ServiceRegistrar lu) {
        Object o = null;
        //See if the lookup service has a service with this template
        try {
            o = lu.lookup(template);
        } catch (RemoteException ex) {
            System.err.println("Error doing lookup: " + ex.getMessage());
            return null;
        }

        //If we couldn't find a matching service
        if (o == null) {
            System.err.println("No matching service.");

            try {
                System.err.println("Registering for new matching service events...");
                //Ask lookup service to inform us when the service may be added
                registerForNewServiceEvents(lu);
            } catch (RemoteException ex) {
                System.err.println("Can't solicit events: " + ex.getMessage(
                ));
                // Discard it, so we can find it again
                disco.discard(lu);
            } finally {   //This time, return null
                return null;
            }
        } else {
            System.out.println("Got a matching service: ");
            //Return the HealthSpaServer proxy
            return o;
        }
    }


    // Ask for events from the lookup service upon a new matching service
    protected void registerForNewServiceEvents(ServiceRegistrar lookupService)
            throws RemoteException {
        //Register to receive an event if any server with the 'template' attributes publishes itself
        lookupService.notify(template, ServiceRegistrar.TRANSITION_NOMATCH_MATCH, eventCatcher, null, LEASE_TIME);
        System.out.println("Registered for new matching service events.");
    }

    /**
     * Populates the UI components
     */
    public void populateGUI() {
        try {

            // Get a list of rooms and staff in the Health Spa
            roomList = healthSpa.getRoomList();
            staffList = healthSpa.getStaffList();
        } catch (Exception ex) {
            System.err.println(ex);
            System.exit(0);
        }

        // Populate some drop down lists
        drpRoomList.addItem(new ModelObject("<All>", "<All>"));
        for (Iterator<ModelObject> i = roomList.iterator(); i.hasNext();) {
            drpRoomList.addItem(i.next());
        }

        for (Iterator<ModelObject> i = staffList.iterator(); i.hasNext();) {
            drpStaffList.addItem(i.next());
        }

        JOptionPane.showConfirmDialog(
                this,
                "\nThe application is now synchronised with the \"Because You're Loaded\" server",
                "Successfully contacted server",
                -1);

        System.out.println("Enabling app...");

        //Allow user input...
        this.loginButton.setEnabled(true);
        this.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    }


    // Registers the user to be informed if a certain booking is cancelled
    public void registerForCancellationNotfication(int hour, int day, int week, String roomCode) {

        EventRegistration eventRegistration;
        try {
            //Listener to use
            cancellationListener = new eventListener();
        } catch (RemoteException ex) {
            ex.printStackTrace();
        }
        try {
            System.out.println("Registering for cancellation notification..");
            //Register...
            eventRegistration = healthSpa.registerForCancellationEvents(hour, day, week, roomCode, null, cancellationListener, Lease.ANY);

            System.out.println("Just received an EventRegistration...");
            System.out.println("ID: " + eventRegistration.getID());
            System.out.println("Seq number: " + eventRegistration.getSequenceNumber());

            //Keep renewing lease...
            leaseManager.renewUntil(eventRegistration.getLease(), Lease.ANY, null);
        } catch (RemoteException ex) {
            System.err.println("Error: " + ex.getMessage());
        }
    }


    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        pnlAddUser = new javax.swing.JPanel();
        jButton1 = new javax.swing.JButton();
        txtNewUserUsername = new javax.swing.JTextField();
        txtNewUserPassword = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        txtNewUserName = new javax.swing.JTextField();
        pnlRecordPayment = new javax.swing.JPanel();
        jLabel15 = new javax.swing.JLabel();
        drpMemberList = new javax.swing.JComboBox();
        jLabel16 = new javax.swing.JLabel();
        drpUnpaidBookings = new javax.swing.JComboBox();
        btnViewBooking = new javax.swing.JButton();
        pnlSetPrice = new javax.swing.JPanel();
        jLabel7 = new javax.swing.JLabel();
        drpRooms = new javax.swing.JComboBox();
        jLabel8 = new javax.swing.JLabel();
        jLabel9 = new javax.swing.JLabel();
        lblCurrentPrice = new javax.swing.JLabel();
        jLabel14 = new javax.swing.JLabel();
        txtNewPrice = new javax.swing.JTextField();
        jButton2 = new javax.swing.JButton();
        pnlViewAccount = new javax.swing.JPanel();
        jLabel17 = new javax.swing.JLabel();
        lblAccountID = new javax.swing.JLabel();
        jLabel19 = new javax.swing.JLabel();
        drpOldBookings = new javax.swing.JComboBox();
        btnDetails = new javax.swing.JButton();
        jLabel18 = new javax.swing.JLabel();
        drpNewBookings = new javax.swing.JComboBox();
        lblName = new javax.swing.JLabel();
        jLabel20 = new javax.swing.JLabel();
        btnCancelBooking = new javax.swing.JButton();
        pnlChangePassword = new javax.swing.JPanel();
        jLabel21 = new javax.swing.JLabel();
        jLabel22 = new javax.swing.JLabel();
        jLabel23 = new javax.swing.JLabel();
        txtCurrentUsername = new javax.swing.JTextField();
        btnChangePassword = new javax.swing.JButton();
        txtCurrentPassword = new javax.swing.JPasswordField();
        txtNewPassword = new javax.swing.JPasswordField();
        jPanel1 = new javax.swing.JPanel();
        jLabel12 = new javax.swing.JLabel();
        jLabel13 = new javax.swing.JLabel();
        txtUsername = new javax.swing.JTextField();
        txtPassword = new javax.swing.JPasswordField();
        loginButton = new javax.swing.JButton();
        logoutButton = new javax.swing.JButton();
        loginStatus = new javax.swing.JLabel();
        jLabel1 = new javax.swing.JLabel();
        jTabbedPane1 = new javax.swing.JTabbedPane();
        jPanel3 = new javax.swing.JPanel();
        drpRoomList = new javax.swing.JComboBox();
        jScrollPane5 = new javax.swing.JScrollPane();
        tblRoomNames = new javax.swing.JTable();
        jLabel10 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jScrollPane3 = new javax.swing.JScrollPane();
        tblRoomTimetable = new javax.swing.JTable();
        drpTimePeriod = new javax.swing.JComboBox();
        jLabel25 = new javax.swing.JLabel();
        drpRoomWeek = new javax.swing.JComboBox();
        lblNote = new javax.swing.JLabel();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jScrollPane2 = new javax.swing.JScrollPane();
        tblStaffTimetable = new javax.swing.JTable();
        jLabel11 = new javax.swing.JLabel();
        drpStaffList = new javax.swing.JComboBox();
        jLabel24 = new javax.swing.JLabel();
        drpStaffWeek = new javax.swing.JComboBox();
        jSeparator1 = new javax.swing.JSeparator();
        jLabel3 = new javax.swing.JLabel();
        tpUserPanel = new javax.swing.JTabbedPane();

        jButton1.setText("Add User");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jLabel4.setText("Password:");

        jLabel6.setText("Username:");

        jLabel5.setText("Name:");

        javax.swing.GroupLayout pnlAddUserLayout = new javax.swing.GroupLayout(pnlAddUser);
        pnlAddUser.setLayout(pnlAddUserLayout);
        pnlAddUserLayout.setHorizontalGroup(
                pnlAddUserLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlAddUserLayout.createSequentialGroup()
                                .addGroup(pnlAddUserLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(pnlAddUserLayout.createSequentialGroup()
                                                .addGap(20, 20, 20)
                                                .addGroup(pnlAddUserLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                        .addGroup(pnlAddUserLayout.createSequentialGroup()
                                                                .addComponent(jLabel4)
                                                                .addGap(11, 11, 11)
                                                                .addComponent(txtNewUserPassword, javax.swing.GroupLayout.DEFAULT_SIZE, 66, Short.MAX_VALUE))
                                                        .addGroup(pnlAddUserLayout.createSequentialGroup()
                                                                .addComponent(jLabel6)
                                                                .addGap(9, 9, 9)
                                                                .addComponent(txtNewUserUsername, javax.swing.GroupLayout.DEFAULT_SIZE, 66, Short.MAX_VALUE))
                                                        .addGroup(pnlAddUserLayout.createSequentialGroup()
                                                                .addComponent(jLabel5)
                                                                .addGap(30, 30, 30)
                                                                .addComponent(txtNewUserName, javax.swing.GroupLayout.DEFAULT_SIZE, 66, Short.MAX_VALUE))))
                                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlAddUserLayout.createSequentialGroup()
                                                .addContainerGap(70, Short.MAX_VALUE)
                                                .addComponent(jButton1)))
                                .addContainerGap())
        );
        pnlAddUserLayout.setVerticalGroup(
                pnlAddUserLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlAddUserLayout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(pnlAddUserLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel5)
                                        .addComponent(txtNewUserName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(pnlAddUserLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel6)
                                        .addComponent(txtNewUserUsername, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(pnlAddUserLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel4)
                                        .addComponent(txtNewUserPassword, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGap(14, 14, 14)
                                .addComponent(jButton1)
                                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        jLabel15.setText("Select a user:");

        drpMemberList.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                drpMemberListActionPerformed(evt);
            }
        });

        jLabel16.setText("Unpaid Bookings:");

        btnViewBooking.setText("View");
        btnViewBooking.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnViewBookingActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout pnlRecordPaymentLayout = new javax.swing.GroupLayout(pnlRecordPayment);
        pnlRecordPayment.setLayout(pnlRecordPaymentLayout);
        pnlRecordPaymentLayout.setHorizontalGroup(
                pnlRecordPaymentLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlRecordPaymentLayout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(pnlRecordPaymentLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                        .addComponent(btnViewBooking)
                                        .addGroup(pnlRecordPaymentLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                                .addComponent(drpMemberList, javax.swing.GroupLayout.Alignment.LEADING, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                                .addComponent(drpUnpaidBookings, javax.swing.GroupLayout.Alignment.LEADING, 0, 160, Short.MAX_VALUE)
                                                .addComponent(jLabel15, javax.swing.GroupLayout.Alignment.LEADING)
                                                .addComponent(jLabel16, javax.swing.GroupLayout.Alignment.LEADING)))
                                .addContainerGap(19, Short.MAX_VALUE))
        );
        pnlRecordPaymentLayout.setVerticalGroup(
                pnlRecordPaymentLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlRecordPaymentLayout.createSequentialGroup()
                                .addContainerGap()
                                .addComponent(jLabel15)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(drpMemberList, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(16, 16, 16)
                                .addComponent(jLabel16)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(drpUnpaidBookings, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(btnViewBooking)
                                .addContainerGap(75, Short.MAX_VALUE))
        );
        jLabel7.setText("Select a room:");

        drpRooms.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                drpRoomsActionPerformed(evt);
            }
        });

        jLabel9.setText("Current Price:");

        lblCurrentPrice.setBackground(new java.awt.Color(255, 51, 204));
        lblCurrentPrice.setText("jLabel14");

        jLabel14.setText("New Price:");

        jButton2.setText("Set New Price");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout pnlSetPriceLayout = new javax.swing.GroupLayout(pnlSetPrice);
        pnlSetPrice.setLayout(pnlSetPriceLayout);
        pnlSetPriceLayout.setHorizontalGroup(
                pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlSetPriceLayout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(pnlSetPriceLayout.createSequentialGroup()
                                                .addGroup(pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                        .addComponent(jLabel8)
                                                        .addGroup(pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                                                .addComponent(drpRooms, javax.swing.GroupLayout.Alignment.LEADING, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                                                .addGroup(javax.swing.GroupLayout.Alignment.LEADING, pnlSetPriceLayout.createSequentialGroup()
                                                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                        .addComponent(jLabel7, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
                                                .addContainerGap(54, Short.MAX_VALUE))
                                        .addGroup(pnlSetPriceLayout.createSequentialGroup()
                                                .addGroup(pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                        .addGroup(pnlSetPriceLayout.createSequentialGroup()
                                                                .addComponent(jLabel9)
                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                .addComponent(lblCurrentPrice))
                                                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlSetPriceLayout.createSequentialGroup()
                                                                .addComponent(jLabel14)
                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                .addComponent(txtNewPrice, javax.swing.GroupLayout.PREFERRED_SIZE, 58, javax.swing.GroupLayout.PREFERRED_SIZE)))
                                                .addContainerGap())
                                        .addGroup(pnlSetPriceLayout.createSequentialGroup()
                                                .addComponent(jButton2)
                                                .addContainerGap(24, Short.MAX_VALUE))))
        );
        pnlSetPriceLayout.setVerticalGroup(
                pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlSetPriceLayout.createSequentialGroup()
                                .addContainerGap()
                                .addComponent(jLabel7)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(drpRooms, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(9, 9, 9)
                                .addGroup(pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(jLabel8)
                                        .addGroup(pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                                .addComponent(jLabel9)
                                                .addComponent(lblCurrentPrice)))
                                .addGap(16, 16, 16)
                                .addGroup(pnlSetPriceLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel14)
                                        .addComponent(txtNewPrice, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jButton2)
                                .addContainerGap(23, Short.MAX_VALUE))
        );
        jLabel17.setText("Account ID:");

        lblAccountID.setText("jLabel18");

        jLabel19.setText("Paid bookings:");

        btnDetails.setText("Details");
        btnDetails.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnDetailsActionPerformed(evt);
            }
        });

        jLabel18.setText("Unpaid Bookings:");

        lblName.setText("name");

        jLabel20.setText("Name:");

        btnCancelBooking.setText("Cancel Booking!");
        btnCancelBooking.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnCancelBookingActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout pnlViewAccountLayout = new javax.swing.GroupLayout(pnlViewAccount);
        pnlViewAccount.setLayout(pnlViewAccountLayout);
        pnlViewAccountLayout.setHorizontalGroup(
                pnlViewAccountLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlViewAccountLayout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(pnlViewAccountLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(pnlViewAccountLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                                .addComponent(jLabel19)
                                                .addComponent(jLabel18)
                                                .addGroup(pnlViewAccountLayout.createSequentialGroup()
                                                        .addComponent(jLabel17)
                                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                        .addComponent(lblAccountID))
                                                .addGroup(pnlViewAccountLayout.createSequentialGroup()
                                                        .addComponent(btnDetails)
                                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                                        .addComponent(btnCancelBooking))
                                                .addComponent(drpNewBookings, 0, 167, Short.MAX_VALUE)
                                                .addComponent(drpOldBookings, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                                        .addGroup(pnlViewAccountLayout.createSequentialGroup()
                                                .addComponent(jLabel20)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(lblName)))
                                .addContainerGap(26, Short.MAX_VALUE))
        );
        pnlViewAccountLayout.setVerticalGroup(
                pnlViewAccountLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlViewAccountLayout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(pnlViewAccountLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel20)
                                        .addComponent(lblName))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(pnlViewAccountLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel17)
                                        .addComponent(lblAccountID))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jLabel19)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(drpOldBookings, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(14, 14, 14)
                                .addComponent(jLabel18)
                                .addGap(7, 7, 7)
                                .addComponent(drpNewBookings, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addGroup(pnlViewAccountLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(btnDetails)
                                        .addComponent(btnCancelBooking))
                                .addContainerGap())
        );
        jLabel21.setText("Username:");

        jLabel22.setText("Password:");

        jLabel23.setText("New password:");

        btnChangePassword.setText("Change Password");
        btnChangePassword.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnChangePasswordActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout pnlChangePasswordLayout = new javax.swing.GroupLayout(pnlChangePassword);
        pnlChangePassword.setLayout(pnlChangePasswordLayout);
        pnlChangePasswordLayout.setHorizontalGroup(
                pnlChangePasswordLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlChangePasswordLayout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(pnlChangePasswordLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                        .addComponent(btnChangePassword)
                                        .addGroup(pnlChangePasswordLayout.createSequentialGroup()
                                                .addGroup(pnlChangePasswordLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                        .addComponent(jLabel23)
                                                        .addComponent(jLabel22)
                                                        .addComponent(jLabel21))
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addGroup(pnlChangePasswordLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                        .addComponent(txtCurrentPassword, javax.swing.GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE)
                                                        .addComponent(txtCurrentUsername, javax.swing.GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE)
                                                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlChangePasswordLayout.createSequentialGroup()
                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                .addComponent(txtNewPassword, javax.swing.GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE)))))
                                .addGap(18, 18, 18))
        );
        pnlChangePasswordLayout.setVerticalGroup(
                pnlChangePasswordLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(pnlChangePasswordLayout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(pnlChangePasswordLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel21)
                                        .addComponent(txtCurrentUsername, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(pnlChangePasswordLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel22)
                                        .addComponent(txtCurrentPassword, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(pnlChangePasswordLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel23)
                                        .addComponent(txtNewPassword, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGap(15, 15, 15)
                                .addComponent(btnChangePassword)
                                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setResizable(false);
        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Login"));
        jLabel12.setText("Username:");

        jLabel13.setText("Password:");

        loginButton.setText("Login");
        loginButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                loginButtonActionPerformed(evt);
            }
        });

        logoutButton.setText("Logout");
        logoutButton.setEnabled(false);
        logoutButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                logoutButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(jLabel13)
                                        .addComponent(jLabel12))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                        .addComponent(txtUsername)
                                        .addComponent(txtPassword, javax.swing.GroupLayout.DEFAULT_SIZE, 95, Short.MAX_VALUE)))
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addComponent(loginButton)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 29, Short.MAX_VALUE)
                                .addComponent(logoutButton))
        );
        jPanel1Layout.setVerticalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel12)
                                        .addComponent(txtUsername, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel13)
                                        .addComponent(txtPassword, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(loginButton)
                                        .addComponent(logoutButton)))
        );

        loginStatus.setFont(new java.awt.Font("Arial", 0, 10));
        loginStatus.setText("Not logged in.");

        jLabel1.setFont(new java.awt.Font("Tahoma", 0, 8));
        jLabel1.setText("(You must be logged in to book a session)");

        jTabbedPane1.setBorder(javax.swing.BorderFactory.createTitledBorder("Health Spa"));
        drpRoomList.setModel(new javax.swing.DefaultComboBoxModel(new String[]{""}));
        drpRoomList.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                drpRoomListActionPerformed(evt);
            }
        });

        tblRoomNames.setModel(new javax.swing.table.DefaultTableModel(
                new Object[][]
                        {

                        },
                new String[]
                        {
                                "Room"
                        }
        ));
        jScrollPane5.setViewportView(tblRoomNames);

        jLabel10.setText("Room Timetable for:");

        jLabel2.setText("at");

        tblRoomTimetable.setModel(new javax.swing.table.DefaultTableModel(
                new Object[][]
                        {

                        },
                new String[]
                        {
                                "Mon", "Tue", "Wed", "Thur", "Fri", "Sat", "Sunday"
                        }
        ));
        tblRoomTimetable.setCellSelectionEnabled(true);
        tblRoomTimetable.setMaximumSize(new java.awt.Dimension(14, 16));
        tblRoomTimetable.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                tblRoomTimetableMouseClicked(evt);
            }
        });

        jScrollPane3.setViewportView(tblRoomTimetable);

        drpTimePeriod.setModel(new javax.swing.DefaultComboBoxModel(new String[]{"8-9", "9-10", "10-11", "11-12", "12-1", "1-2", "2-3", "3-4", "4-5", "5-6"}));
        drpTimePeriod.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                drpRoomListActionPerformed(evt);
            }
        });

        jLabel25.setText("in");

        drpRoomWeek.setModel(new javax.swing.DefaultComboBoxModel(new String[]{"Current Week", "Next Week"}));
        drpRoomWeek.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                drpRoomWeekActionPerformed(evt);
            }
        });

        lblNote.setText("Note: If you would like to be informed of a cancellation of a particular timeslot, click on \"BOOKED\" for further details.");

        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
                jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel3Layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(jPanel3Layout.createSequentialGroup()
                                                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                        .addComponent(jScrollPane5, 0, 0, Short.MAX_VALUE)
                                                        .addComponent(jLabel10))
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                        .addGroup(jPanel3Layout.createSequentialGroup()
                                                                .addComponent(drpRoomList, javax.swing.GroupLayout.PREFERRED_SIZE, 157, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                .addComponent(jLabel2)
                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                .addComponent(drpTimePeriod, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                                .addGap(14, 14, 14)
                                                                .addComponent(jLabel25)
                                                                .addGap(12, 12, 12)
                                                                .addComponent(drpRoomWeek, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                                        .addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 457, Short.MAX_VALUE))
                                                .addContainerGap(13, Short.MAX_VALUE))
                                        .addGroup(jPanel3Layout.createSequentialGroup()
                                                .addComponent(lblNote)
                                                .addContainerGap(16, Short.MAX_VALUE))))
        );
        jPanel3Layout.setVerticalGroup(
                jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel3Layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(drpRoomList, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jLabel2)
                                        .addComponent(drpTimePeriod, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jLabel10)
                                        .addComponent(jLabel25)
                                        .addComponent(drpRoomWeek, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                        .addComponent(jScrollPane5, 0, 0, Short.MAX_VALUE)
                                        .addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 195, Short.MAX_VALUE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 9, Short.MAX_VALUE)
                                .addComponent(lblNote)
                                .addContainerGap())
        );
        jTabbedPane1.addTab("Rooms", jPanel3);

        jScrollPane1.setFont(new java.awt.Font("Tahoma", 3, 12));
        jTable1.setFont(new java.awt.Font("Tahoma", 1, 11));
        jTable1.setModel(new javax.swing.table.DefaultTableModel(
                new Object[][]
                        {
                                {"8 - 9"},
                                {"9 - 10"},
                                {"10 - 11"},
                                {"11 - 12"},
                                {"12 - 1"},
                                {"1 - 2"},
                                {"2 - 3"},
                                {"3 - 4"},
                                {"4 - 5"},
                                {"5 - 6"}
                        },
                new String[]
                        {
                                "Time"
                        }
        ) {
            boolean[] canEdit = new boolean[]
                    {
                            false
                    };

            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit[columnIndex];
            }
        });
        jTable1.setAutoscrolls(false);
        jScrollPane1.setViewportView(jTable1);

        jScrollPane2.setBorder(null);
        tblStaffTimetable.setModel(new javax.swing.table.DefaultTableModel(
                new Object[][]
                        {
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null},
                                {null, null, null, null, null, null, null}
                        },
                new String[]
                        {
                                "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"
                        }
        ) {
            boolean[] canEdit = new boolean[]
                    {
                            false, false, false, false, false, false, false
                    };

            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit[columnIndex];
            }
        });
        tblStaffTimetable.setAutoscrolls(false);
        jScrollPane2.setViewportView(tblStaffTimetable);

        jLabel11.setText("Staff Timetable for:");

        drpStaffList.setModel(new javax.swing.DefaultComboBoxModel(new String[]{""}));
        drpStaffList.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                drpStaffListActionPerformed(evt);
            }
        });

        jLabel24.setText("in");

        drpStaffWeek.setModel(new javax.swing.DefaultComboBoxModel(new String[]{"Current Week", "Next Week"}));
        drpStaffWeek.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                drpStaffListActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
                jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel2Layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(jPanel2Layout.createSequentialGroup()
                                                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 51, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 506, Short.MAX_VALUE))
                                        .addGroup(jPanel2Layout.createSequentialGroup()
                                                .addComponent(jLabel11)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(drpStaffList, javax.swing.GroupLayout.PREFERRED_SIZE, 117, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addGap(19, 19, 19)
                                                .addComponent(jLabel24, javax.swing.GroupLayout.PREFERRED_SIZE, 19, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(drpStaffWeek, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                                .addContainerGap())
        );
        jPanel2Layout.setVerticalGroup(
                jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel2Layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel11)
                                        .addComponent(drpStaffList, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(drpStaffWeek, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jLabel24))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 184, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 185, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addContainerGap(44, Short.MAX_VALUE))
        );
        jTabbedPane1.addTab("Staff", jPanel2);

        jSeparator1.setOrientation(javax.swing.SwingConstants.VERTICAL);

        jLabel3.setFont(new java.awt.Font("Tahoma", 1, 24));
        jLabel3.setText("Because You're Loaded - Health Spa");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(loginStatus)
                                        .addComponent(jLabel1)
                                        .addComponent(tpUserPanel, javax.swing.GroupLayout.PREFERRED_SIZE, 221, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(layout.createSequentialGroup()
                                                .addGap(105, 105, 105)
                                                .addComponent(jLabel3))
                                        .addGroup(layout.createSequentialGroup()
                                                .addGap(24, 24, 24)
                                                .addComponent(jTabbedPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 604, Short.MAX_VALUE)))
                                .addContainerGap())
        );
        layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(layout.createSequentialGroup()
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(jLabel3)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 324, javax.swing.GroupLayout.PREFERRED_SIZE))
                                        .addComponent(jSeparator1, javax.swing.GroupLayout.DEFAULT_SIZE, 456, Short.MAX_VALUE)
                                        .addGroup(layout.createSequentialGroup()
                                                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(loginStatus)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(jLabel1)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(tpUserPanel, javax.swing.GroupLayout.PREFERRED_SIZE, 262, javax.swing.GroupLayout.PREFERRED_SIZE)))
                                .addContainerGap())
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents


    /*
    *Handler for when a user chooses to cancel a booking
    */

    private void btnCancelBookingActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnCancelBookingActionPerformed
    {//GEN-HEADEREND:event_btnCancelBookingActionPerformed
        //The booking they want to cancel
        Booking tempBooking = (Booking) drpNewBookings.getSelectedItem();

        //Confirm
        int n = JOptionPane.showConfirmDialog(
                this,
                "Do you want to cancel ths reservation for " + Days.getDay(tempBooking.getDay()) + "(" + Days.getWeek(tempBooking.getWeek()) + ") " + "at " + Days.getHour(tempBooking.getHour()) + "?",
                "Cancellation",
                JOptionPane.YES_NO_OPTION);

        if (n == 0) {
            try {
                System.out.println("About to cancel booking...");
                //Cancel it
                if (healthSpa.cancelBooking(tempBooking, member.getCode(), guiUsername, guiPassword) == 0) {
                    JOptionPane.showMessageDialog(this,
                            "The booking was successfully cancelled.",
                            "Cancellation confirmed",
                            JOptionPane.INFORMATION_MESSAGE);

                    //Remove from visible list
                    drpNewBookings.removeItemAt(drpNewBookings.getSelectedIndex());
                    //Call event handler, which in turn will make the client's data up to date
                    drpRoomListActionPerformed(null);

                    //Cop-out way of updating client data (I am no swing expert)
                    setUpUserAccountInfo();

                } else {
                    JOptionPane.showMessageDialog(this,
                            "There was an error cancelling the booking",
                            "Error cancelling room",
                            JOptionPane.ERROR_MESSAGE);
                }
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }


        }
    }//GEN-LAST:event_btnCancelBookingActionPerformed

    private void drpRoomWeekActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_drpRoomWeekActionPerformed
    {//GEN-HEADEREND:event_drpRoomWeekActionPerformed
        drpRoomListActionPerformed(null);
    }//GEN-LAST:event_drpRoomWeekActionPerformed
    /*
     * Event handler to handle a password change
     */

    private void btnChangePasswordActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnChangePasswordActionPerformed
    {//GEN-HEADEREND:event_btnChangePasswordActionPerformed
        //Make sure all relevant data was entered
        if (txtCurrentUsername.getText().equals("") || new String(txtCurrentPassword.getPassword()).equals("") || new String(txtNewPassword.getPassword()).equals("")) {
            JOptionPane.showMessageDialog(
                    this, "You must fill in each field.",
                    "Booking Information",
                    JOptionPane.ERROR_MESSAGE);
        } else {
            int result = -1;
            try {
                //Attempt to change the password.
                result = healthSpa.changePassword(member.getCode(), txtCurrentUsername.getText(), new String(txtCurrentPassword.getPassword()), new String(txtNewPassword.getPassword()));
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }
            //Inform, accordingly.
            if (result == 0) {
                JOptionPane.showMessageDialog(
                        this, "Password successfully changed.",
                        "Password Changed",
                        JOptionPane.INFORMATION_MESSAGE);
            } else {
                JOptionPane.showMessageDialog(
                        this, "An error occured - make sure you have the correct username and password.",
                        "Password Change Error",
                        JOptionPane.ERROR_MESSAGE);
            }

        }//GEN-LAST:event_btnChangePasswordActionPerformed
    }


    // An event handler to display to the user details of an unpaid booking.
    private void btnDetailsActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnDetailsActionPerformed
    {//GEN-HEADEREND:event_btnDetailsActionPerformed
        Booking tempBooking = (Booking) drpNewBookings.getSelectedItem();
        JOptionPane.showMessageDialog(
                this, "Booked by you for " + Days.getDay(tempBooking.getDay()) + "(" + Days.getWeek(tempBooking.getWeek()) + ") " + "at " + Days.getHour(tempBooking.getHour()) + ".",
                "Booking Information",
                JOptionPane.INFORMATION_MESSAGE);
    }//GEN-LAST:event_btnDetailsActionPerformed



    // An event handler that can only be used by the admin. Allows the recording of a payment,
    // after the admin selects a user and an unpaid booking.
    private void btnViewBookingActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnViewBookingActionPerformed
    {//GEN-HEADEREND:event_btnViewBookingActionPerformed
        Booking tempBooking = (Booking) drpUnpaidBookings.getSelectedItem();

        int n = JOptionPane.showConfirmDialog(
                this, "Booking for " + Days.getDay(tempBooking.getDay()) + "(" + Days.getWeek(tempBooking.getWeek()) + ") " + "at " + Days.getHour(tempBooking.getHour()) + "." +
                        "\nWould you like to confirm payment?",
                "Record a Payment",
                JOptionPane.YES_NO_OPTION);
        if (n == 0) {
            try {   //Try to record the booking
                healthSpa.recordPayment(guiUsername, guiPassword, memberList.get(drpMemberList.getSelectedIndex()).getCode(), tempBooking.getBookingNo());
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }
            //Call this handler to update the original list, to keep viewed data consistent.
            //Probably frowned upon to call event handlers like this, but swing is too messy otherwise.
            drpMemberListActionPerformed(null);
        }
    }//GEN-LAST:event_btnViewBookingActionPerformed



    // An event handler that displays the unpaid booking records of a user.
    // Only used by the admin.
    private void drpMemberListActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_drpMemberListActionPerformed
    {//GEN-HEADEREND:event_drpMemberListActionPerformed

        if (loggedIn == true) {
            ArrayList<Booking> allUserBookings;
            try {
                //Clear list
                drpUnpaidBookings.removeAllItems();
                //Get booking info
                allUserBookings = healthSpa.getMemberBookingInfo(guiUsername, guiPassword, memberList.get(drpMemberList.getSelectedIndex()).getCode());
                //Display
                for (Iterator<Booking> i = allUserBookings.iterator(); i.hasNext();) {
                    Booking tempBooking = i.next();
                    if (tempBooking.isPaid() == false) {
                        drpUnpaidBookings.addItem(tempBooking);
                    }
                }
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }
        }

    }//GEN-LAST:event_drpMemberListActionPerformed


    //An event handler to change the price of a room.
    //Can only be used by the admin.
    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_jButton2ActionPerformed
    {//GEN-HEADEREND:event_jButton2ActionPerformed
        try {
            double newPrice = Double.parseDouble(txtNewPrice.getText());
            try {
                healthSpa.setPrice(guiUsername, guiPassword, ((ModelObject) drpRooms.getSelectedItem()).getCode(), newPrice);
                roomList = healthSpa.getRoomList();
                drpRoomsActionPerformed(null);
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }
            JOptionPane.showMessageDialog(this,
                    "Price changed successfully.",
                    "New Price Change",
                    JOptionPane.INFORMATION_MESSAGE);
        }
        //Makes sure the input is a number
        catch (NumberFormatException ex) {
            JOptionPane.showMessageDialog(this,
                    "The new price supplied is not a number",
                    "New Price Error",
                    JOptionPane.ERROR_MESSAGE);
        }
    }//GEN-LAST:event_jButton2ActionPerformed


    // Updates a room price label
    private void drpRoomsActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_drpRoomsActionPerformed
    {//GEN-HEADEREND:event_drpRoomsActionPerformed
        if (loggedIn == true) {
            lblCurrentPrice.setText((roomList.get(drpRooms.getSelectedIndex()).getData()));
        }
    }//GEN-LAST:event_drpRoomsActionPerformed


    // An event handler to add a new user.
    // Can only be used by an admin.
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_jButton1ActionPerformed
    {//GEN-HEADEREND:event_jButton1ActionPerformed

        //Make sure all relevenat input provided.
        if (txtNewUserUsername.getText().equals("") || txtNewUserPassword.getText().equals("") || txtNewUserName.getText().equals("")) {
            JOptionPane.showMessageDialog(this,
                    "You must provide all details to add a user.",
                    "Error Adding New User",
                    JOptionPane.ERROR_MESSAGE);
        } else {
            try {
                //Attempt to add, and check results.
                int result = healthSpa.addUser(guiUsername, guiPassword, txtNewUserUsername.getText(), txtNewUserPassword.getText(), txtNewUserName.getText());
                if (result == 0) {
                    JOptionPane.showMessageDialog(this,
                            "User added successfully.",
                            "New User Added",
                            JOptionPane.INFORMATION_MESSAGE);
                    txtNewUserName.setText("");
                    txtNewUserUsername.setText("");
                    txtNewUserPassword.setText("");
                } else if (result == -1) {
                    JOptionPane.showMessageDialog(this,
                            "There was an unknown error adding the new user.",
                            "Error Adding New User",
                            JOptionPane.ERROR_MESSAGE);
                } else if (result == -2) {
                    JOptionPane.showMessageDialog(this,
                            "That username already exists.",
                            "Error Adding New User",
                            JOptionPane.ERROR_MESSAGE);
                }
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }
        }
    }//GEN-LAST:event_jButton1ActionPerformed


    // A complicated event handler which is called when the user clicks to book a room, and then
    // provides them with a list of available (for that time period) staff members.
    // Also allows user to choose to be informed of the cancellation of an already reserved room.
    private void tblRoomTimetableMouseClicked(java.awt.event.MouseEvent evt)//GEN-FIRST:event_tblRoomTimetableMouseClicked
    {//GEN-HEADEREND:event_tblRoomTimetableMouseClicked
        if (drpRoomList.getSelectedItem().toString() != null) {
            boolean viewingAll;

            viewingAll = drpRoomList.getSelectedItem().toString().equals("<All>");

            int row = tblRoomTimetable.getSelectedRow();
            int column = tblRoomTimetable.getSelectedColumn();
            if (loggedIn) {
                if (tblRoomTimetable.getValueAt(row, column).toString().equals("BOOKED")) {
                    int n = JOptionPane.showConfirmDialog(
                            this, "This room is already reserved." +
                                    "\nWould you like to be informed in the event of a cancellation?",
                            "Room already reserved",
                            JOptionPane.YES_NO_OPTION);

                    if (n == 0) {
                        System.out.println("About to register for cancellation event...");
                        String roomCode;
                        if (viewingAll) {
                            ModelObject temp = roomList.get(row);
                            roomCode = temp.getCode();
                        } else {
                            roomCode = ((ModelObject) drpRoomList.getSelectedItem()).getCode();
                        }

                        this.registerForCancellationNotfication(drpTimePeriod.getSelectedIndex(), column, drpRoomWeek.getSelectedIndex(), roomCode);

                        System.out.println("Just registered for cancellation events...");

                    }
                } else if (tblRoomTimetable.getValueAt(row, column).toString().equals("-click-")) {
                    String roomCode;
                    String price;
                    if (viewingAll) {
                        ModelObject temp = roomList.get(row);
                        roomCode = temp.getCode();
                        price = temp.getData();
                    } else {
                        roomCode = ((ModelObject) drpRoomList.getSelectedItem()).getCode();
                        price = ((ModelObject) drpRoomList.getSelectedItem()).getData();
                    }
                    try {
                        //Get a list of the available staff for this time period
                        LinkedList<ModelObject> availableStaff = healthSpa.getStaffAvailableList(drpTimePeriod.getSelectedIndex(), column, drpRoomWeek.getSelectedIndex());
                        availableStaff.addFirst(new ModelObject("<Any>", null));

                        //Display and receive available staff members.
                        ModelObject s = (ModelObject) JOptionPane.showInputDialog(
                                this,
                                "Price: " + price + "\n\nThe following staff members are available at this time period.\n"
                                        + "Please choose: ",
                                "Book a staff member",
                                JOptionPane.PLAIN_MESSAGE,
                                null,
                                availableStaff.toArray(),
                                "");
                        if (s != null) {
                            //Try to book room
                            if (healthSpa.makeBooking(roomCode, member.getCode(), s.getCode(), guiUsername, guiPassword, drpTimePeriod.getSelectedIndex(), column, drpRoomWeek.getSelectedIndex()) == 0) {
                                JOptionPane.showMessageDialog(this,
                                        "The room was successfully booked.",
                                        "Booking confirmed",
                                        JOptionPane.INFORMATION_MESSAGE);
                            } else {
                                JOptionPane.showMessageDialog(this,
                                        "There was an error booking room",
                                        "Error booking room",
                                        JOptionPane.ERROR_MESSAGE);
                            }

                        }
                    } catch (RemoteException ex) {
                        ex.printStackTrace();
                    }

                    //Call event handler, which in turn will make the client's data up to date
                    drpRoomListActionPerformed(null);
                }

                if (loggedIn && !isAdmin) {
                    //Cop-out way of updating client data (I am no swing expert)
                    setUpUserAccountInfo();
                }
            }
            //Occurs when a person is not logged in, and tries to book a room.
            else {
                JOptionPane.showMessageDialog(this,
                        "You must be logged in to book a room.",
                        "Not logged in",
                        JOptionPane.ERROR_MESSAGE);
            }
        }
    }//GEN-LAST:event_tblRoomTimetableMouseClicked

    //An event handler updates the staff timetable, depending on who the user selected.
    private void drpStaffListActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_drpStaffListActionPerformed
    {//GEN-HEADEREND:event_drpStaffListActionPerformed
        boolean[][] tempStaffTimetable;
        ModelObject selectedStaff;

        if (drpStaffList.getSelectedIndex() != 0) {
            selectedStaff = (ModelObject) drpStaffList.getSelectedItem();
            try {
                //Get the roster for this member of staff
                tempStaffTimetable = healthSpa.getStaffRoster(selectedStaff.getCode(), drpStaffWeek.getSelectedIndex());
                //Create the TableModel
                ClientUITimetableTableModel staffTimetable = new ClientUITimetableTableModel(tempStaffTimetable, tempStaffTimetable.length, "N/A", "Free");
                //Add to table
                tblStaffTimetable.setModel(staffTimetable);
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }
        }
    }//GEN-LAST:event_drpStaffListActionPerformed

    // An event handler which updates the Room timetable view, depending on what the user selected
    // (i.e., all or single rooms), etc.
    private void drpRoomListActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_drpRoomListActionPerformed
    {//GEN-HEADEREND:event_drpRoomListActionPerformed
        try {
            if (drpRoomList.getSelectedItem() instanceof ModelObject) {
                ModelObject a = (ModelObject) drpRoomList.getSelectedItem();
                if (a.getCode().equals("<All>")) {
                    boolean[][] tempTimetable;
                    boolean[] temp;

                    tempTimetable = new boolean[roomList.size()][7];
                    int counter = 0;
                    for (Iterator<ModelObject> r = roomList.iterator(); r.hasNext();) {
                        ModelObject tempRoom = r.next();
                        //Get the timetable
                        temp = healthSpa.getRoomTimetableForPeriod(tempRoom.getCode(), drpTimePeriod.getSelectedIndex(), drpRoomWeek.getSelectedIndex());

                        for (int i = 0; i < temp.length; i++) {
                            tempTimetable[counter][i] = temp[i];
                        }
                        counter++;
                    }
                    //Make and set TableModel
                    ClientUITimetableTableModel periodTimetable = new ClientUITimetableTableModel(tempTimetable, tempTimetable.length);
                    tblRoomTimetable.setModel(periodTimetable);
                    tblRoomNames.setModel(new ClientUITimetableTableModel(drpRoomList, roomList.size()));
                }
                //Occurs when a single room is selected
                else {
                    boolean[] tempTimetable = healthSpa.getRoomTimetableForPeriod(a.getCode(), drpTimePeriod.getSelectedIndex(), drpRoomWeek.getSelectedIndex());
                    ClientUITimetableTableModel periodTimetable = new ClientUITimetableTableModel(tempTimetable, 1);
                    Object[] tempObject = new Object[1];
                    tempObject[0] = drpRoomList.getSelectedItem();
                    tblRoomNames.setModel(new ClientUITimetableTableModel(tempObject, 1));
                    tblRoomTimetable.setModel(periodTimetable);
                }
            }

            //Occurs when no room is selected, so blank it.
            else {
                boolean[] temp = new boolean[0];
                tblRoomTimetable.setModel(new ClientUITimetableTableModel(temp, 0));
                tblRoomNames.setModel(new ClientUITimetableTableModel(new Object[0], 0));
            }
        } catch (RemoteException ex) {
            ex.printStackTrace();
        }

        drpStaffListActionPerformed(null);
    }//GEN-LAST:event_drpRoomListActionPerformed

    // Occurs when the user logs out
    private void logoutButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_logoutButtonActionPerformed
    {//GEN-HEADEREND:event_logoutButtonActionPerformed
        txtUsername.setEnabled(true);
        txtPassword.setEnabled(true);
        loginButton.setEnabled(true);
        logoutButton.setEnabled(false);
        guiUsername = null;
        guiPassword = null;
        loggedIn = false;
        isAdmin = false;
        member = null;
        loginStatus.setText("Not logged in.");
        tpUserPanel.removeAll();
    }//GEN-LAST:event_logoutButtonActionPerformed

    // Occurs when a user logs in. The semantics depend on whether the user is an admin or normal user.
    private void loginButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_loginButtonActionPerformed
    {//GEN-HEADEREND:event_loginButtonActionPerformed

        if (!(txtUsername.getText().equals("") && new String(txtPassword.getPassword()).equals(""))) {
            txtUsername.setEnabled(false);
            txtPassword.setEnabled(false);
            loginButton.setEnabled(false);

            try {
                member = healthSpa.userLogin(txtUsername.getText(), new String(String.copyValueOf(txtPassword.getPassword())));
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }

            if (member != null) {
                try {
                    //If the user is admin, then populate and display certain panels, etc
                    if (healthSpa.isUserAdmin(member.getCode())) {
                        guiUsername = txtUsername.getText();
                        guiPassword = String.copyValueOf(txtPassword.getPassword());
                        memberList = healthSpa.getMemberList(guiUsername, guiPassword);
                        isAdmin = true;
                        logoutButton.setEnabled(true);
                        loginStatus.setText("Logged in as administrator.");

                        drpRooms.removeAllItems();

                        //Populate some lists
                        for (Iterator<ModelObject> i = roomList.iterator(); i.hasNext();) {
                            drpRooms.addItem(i.next());
                        }

                        drpMemberList.removeAllItems();
                        for (Iterator<ModelObject> i = memberList.iterator(); i.hasNext();) {
                            ModelObject tempMember = i.next();
                            drpMemberList.addItem("(" + tempMember.getCode() + ")" + tempMember.getName());
                        }

                        tpUserPanel.removeAll();
                        tpUserPanel.add(pnlAddUser, "Add User");
                        tpUserPanel.add(pnlSetPrice, "Set Prices");
                        tpUserPanel.add(pnlRecordPayment, "Record Payment");
                        loggedIn = true;
                    }
                    //Otherwise, display the normal user's controls
                    else {
                        guiUsername = txtUsername.getText();
                        guiPassword = String.copyValueOf(txtPassword.getPassword());
                        logoutButton.setEnabled(true);
                        loginStatus.setText("Logged in as user.");
                        tpUserPanel.add(pnlViewAccount, "Account Info");
                        tpUserPanel.add(pnlChangePassword, "Change Password");
                        loggedIn = true;
                        //Todo - show up a/c info stuff
                        isAdmin = false;
                        setUpUserAccountInfo();
                    }
                } catch (RemoteException ex) {
                    ex.printStackTrace();
                }
            }
            //Happens if a login is incorrect.
            else {
                txtUsername.setEnabled(true);
                txtPassword.setEnabled(true);
                loginButton.setEnabled(true);
                JOptionPane.showMessageDialog(this,
                        "Username or password incorrect - please try again.",
                        "Invalid User",
                        JOptionPane.ERROR_MESSAGE);
            }
        }
    }//GEN-LAST:event_loginButtonActionPerformed

    // Calls by RemoteEventListener's notify
    public void informCancellationGUI(int hour, int day, int week, String roomCode, String roomName) {
        //Start new thread to inform user (neccessary, because notify is blocking)

        cancellationInformThread p = new cancellationInformThread(hour, day, week, roomCode, roomName);
        p.start();
    }

    // Thread to inform user of a cancellation
    class cancellationInformThread extends Thread {
        int hour, day, week;
        String roomCode, roomName;

        cancellationInformThread(int hour, int day, int week, String roomCode, String roomName) {
            this.hour = hour;
            this.day = day;
            this.week = week;
            this.roomCode = roomCode;
            this.roomName = roomName;
        }

        public void run() {
            String dayS = Days.getDay(day);
            String hourS = Days.getHour(hour);
            //String weekS = Days.getWeek(week);
            informOfCancellation(hour, day, week, roomCode, roomName);
        }
    }

    public void informOfCancellation(int hour, int day, int week, String roomCode, String roomName) {
        int result = JOptionPane.showConfirmDialog(this,
                "A reservation for the room " + roomName + " (" + roomCode + ") at " + Days.getHour(hour) + " on " + Days.getDay(day) + "(" + Days.getWeek(week) + ")" + "has been cancelled. \n You asked to be informed of a cancellation. \nWould you like to book this slot now?",
                "Cancellation",
                JOptionPane.YES_NO_OPTION);

        //If they want to book it...
        if (result == 0) {
            try {
                //Get a list of the available staff for this time period
                LinkedList<ModelObject> availableStaff = healthSpa.getStaffAvailableList(hour, day, week);
                availableStaff.addFirst(new ModelObject("<Any>", null));

                //Display and receive available staff members.
                ModelObject s = (ModelObject) JOptionPane.showInputDialog(
                        this,
                        "The following staff members are available at this time period.\n"
                                + "Please choose: ",
                        "Book a staff member",
                        JOptionPane.PLAIN_MESSAGE,
                        null,
                        availableStaff.toArray(),
                        "");
                if (s != null) {
                    //Try to book room
                    if (healthSpa.makeBooking(roomCode, member.getCode(), s.getCode(), guiUsername, guiPassword, hour, day, week) == 0) {
                        JOptionPane.showMessageDialog(this,
                                "The room was successfully booked.",
                                "Booking confirmed",
                                JOptionPane.INFORMATION_MESSAGE);
                    } else {
                        JOptionPane.showMessageDialog(this,
                                "The room has already been re-booked.",
                                "Error booking room",
                                JOptionPane.ERROR_MESSAGE);
                    }
                }
            } catch (RemoteException ex) {
                ex.printStackTrace();
            }
        }
        //Call event handler, which in turn will make the client's data up to date
        // drpRoomListActionPerformed(null);
        setUpUserAccountInfo();
    }


    // This method is used to update certain data based on a change on the server side
    public void setUpUserAccountInfo() {
        ArrayList<Booking> userBookings;

        drpNewBookings.removeAllItems();
        drpOldBookings.removeAllItems();
        try {
            userBookings = healthSpa.getMemberBookingInfo(guiUsername, guiPassword, member.getCode());
            lblAccountID.setText(member.getCode());
            lblName.setText(member.getName());
            drpNewBookings.removeAllItems();
            drpOldBookings.removeAllItems();
            for (Iterator<Booking> i = userBookings.iterator(); i.hasNext();) {
                Booking tempBooking = i.next();
                if (tempBooking.isPaid() == false) {
                    drpNewBookings.addItem(tempBooking);
                } else
                    drpOldBookings.addItem(tempBooking);
            }
        } catch (RemoteException ex) {
            ex.printStackTrace();
        }
    }
    /*
     * Entry method
     */

    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new ClientUI().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton btnCancelBooking;
    private javax.swing.JButton btnChangePassword;
    private javax.swing.JButton btnDetails;
    private javax.swing.JButton btnViewBooking;
    private javax.swing.JComboBox drpMemberList;
    private javax.swing.JComboBox drpNewBookings;
    private javax.swing.JComboBox drpOldBookings;
    private javax.swing.JComboBox drpRoomList;
    private javax.swing.JComboBox drpRoomWeek;
    private javax.swing.JComboBox drpRooms;
    private javax.swing.JComboBox drpStaffList;
    private javax.swing.JComboBox drpStaffWeek;
    private javax.swing.JComboBox drpTimePeriod;
    private javax.swing.JComboBox drpUnpaidBookings;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel10;
    private javax.swing.JLabel jLabel11;
    private javax.swing.JLabel jLabel12;
    private javax.swing.JLabel jLabel13;
    private javax.swing.JLabel jLabel14;
    private javax.swing.JLabel jLabel15;
    private javax.swing.JLabel jLabel16;
    private javax.swing.JLabel jLabel17;
    private javax.swing.JLabel jLabel18;
    private javax.swing.JLabel jLabel19;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel20;
    private javax.swing.JLabel jLabel21;
    private javax.swing.JLabel jLabel22;
    private javax.swing.JLabel jLabel23;
    private javax.swing.JLabel jLabel24;
    private javax.swing.JLabel jLabel25;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JLabel jLabel8;
    private javax.swing.JLabel jLabel9;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JScrollPane jScrollPane3;
    private javax.swing.JScrollPane jScrollPane5;
    private javax.swing.JSeparator jSeparator1;
    private javax.swing.JTabbedPane jTabbedPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JLabel lblAccountID;
    private javax.swing.JLabel lblCurrentPrice;
    private javax.swing.JLabel lblName;
    private javax.swing.JLabel lblNote;
    private javax.swing.JButton loginButton;
    private javax.swing.JLabel loginStatus;
    private javax.swing.JButton logoutButton;
    private javax.swing.JPanel pnlAddUser;
    private javax.swing.JPanel pnlChangePassword;
    private javax.swing.JPanel pnlRecordPayment;
    private javax.swing.JPanel pnlSetPrice;
    private javax.swing.JPanel pnlViewAccount;
    private javax.swing.JTable tblRoomNames;
    private javax.swing.JTable tblRoomTimetable;
    private javax.swing.JTable tblStaffTimetable;
    private javax.swing.JTabbedPane tpUserPanel;
    private javax.swing.JPasswordField txtCurrentPassword;
    private javax.swing.JTextField txtCurrentUsername;
    private javax.swing.JPasswordField txtNewPassword;
    private javax.swing.JTextField txtNewPrice;
    private javax.swing.JTextField txtNewUserName;
    private javax.swing.JTextField txtNewUserPassword;
    private javax.swing.JTextField txtNewUserUsername;
    private javax.swing.JPasswordField txtPassword;
    private javax.swing.JTextField txtUsername;
    // End of variables declaration//GEN-END:variables
}