/*
 * MainFrameServer.java
 *
 * Created on March 21, 2006, 3:48 PM
 */

package recordsystem;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.io.IOException;
import java.net.*;
import java.util.*;
import java.util.Enumeration;
import java.util.Properties;
import javax.swing.*;

/**
 *
 * @author  julius
 */
public class MainFrameServer extends javax.swing.JFrame {
    
    /** Creates new form MainFrameServer */
    public MainFrameServer() {
        initComponents();
        disableButtons();
        setBounds(400,300,410, 300);
        new MainClientServer().start();
        new AdminServer().start();
        setVisible(true);
    }
    
   
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        connectedUserPane = new javax.swing.JScrollPane();
        connectedList = new javax.swing.JList();
        connectedUserLabel = new javax.swing.JLabel();
        jPanel1 = new javax.swing.JPanel();
        addButton = new javax.swing.JButton();
        deleteButton = new javax.swing.JButton();
        disableButton = new javax.swing.JButton();
        enableButton = new javax.swing.JButton();
        allUserPane = new javax.swing.JScrollPane();
        allUserList = new javax.swing.JList();
        allUserLabel = new javax.swing.JLabel();
        userOptionsLabel = new javax.swing.JLabel();
        menuBar = new javax.swing.JMenuBar();
        systemMenu = new javax.swing.JMenu();
        loginMI = new javax.swing.JMenuItem();
        logoutMI = new javax.swing.JMenuItem();
        optionsMenu = new javax.swing.JMenu();

        getContentPane().setLayout(null);

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Server Master Console");
        connectedUserPane.setViewportView(connectedList);

        getContentPane().add(connectedUserPane);
        connectedUserPane.setBounds(290, 50, 100, 160);

        connectedUserLabel.setBackground(new java.awt.Color(0, 153, 255));
        connectedUserLabel.setFont(new java.awt.Font("Tahoma", 0, 10));
        connectedUserLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        connectedUserLabel.setText(" Connected Users ");
        connectedUserLabel.setOpaque(true);
        getContentPane().add(connectedUserLabel);
        connectedUserLabel.setBounds(290, 30, 100, 13);

        jPanel1.setLayout(null);

        jPanel1.setBackground(new java.awt.Color(0, 153, 255));
        jPanel1.setBorder(new javax.swing.border.LineBorder(new java.awt.Color(0, 0, 0)));
        addButton.setFont(new java.awt.Font("Arial", 0, 9));
        addButton.setText("Add");
        addButton.setActionCommand("ADD_USER");
        addButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                addButtonActionPerformed(evt);
            }
        });

        jPanel1.add(addButton);
        addButton.setBounds(20, 10, 80, 20);

        deleteButton.setFont(new java.awt.Font("Arial", 0, 9));
        deleteButton.setText("Delete");
        deleteButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                deleteButtonActionPerformed(evt);
            }
        });

        jPanel1.add(deleteButton);
        deleteButton.setBounds(20, 50, 80, 21);

        disableButton.setFont(new java.awt.Font("Arial", 0, 9));
        disableButton.setText("Disable");
        disableButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                disableButtonActionPerformed(evt);
            }
        });

        jPanel1.add(disableButton);
        disableButton.setBounds(20, 90, 80, 21);

        enableButton.setFont(new java.awt.Font("Arial", 0, 9));
        enableButton.setText("Enable");
        enableButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                enableButtonActionPerformed(evt);
            }
        });

        jPanel1.add(enableButton);
        enableButton.setBounds(20, 130, 80, 21);

        getContentPane().add(jPanel1);
        jPanel1.setBounds(20, 50, 120, 160);

        allUserPane.setViewportView(allUserList);

        getContentPane().add(allUserPane);
        allUserPane.setBounds(160, 50, 100, 160);

        allUserLabel.setBackground(new java.awt.Color(0, 153, 255));
        allUserLabel.setFont(new java.awt.Font("Tahoma", 0, 10));
        allUserLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        allUserLabel.setText("All Users ");
        allUserLabel.setOpaque(true);
        getContentPane().add(allUserLabel);
        allUserLabel.setBounds(160, 30, 100, 13);

        userOptionsLabel.setBackground(new java.awt.Color(0, 153, 255));
        userOptionsLabel.setFont(new java.awt.Font("Tahoma", 0, 10));
        userOptionsLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        userOptionsLabel.setText("User Functions ");
        userOptionsLabel.setOpaque(true);
        getContentPane().add(userOptionsLabel);
        userOptionsLabel.setBounds(20, 30, 120, 13);

        systemMenu.setText("System");
        loginMI.setText("Login");
        loginMI.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                loginMIActionPerformed(evt);
            }
        });

        systemMenu.add(loginMI);

        logoutMI.setText("Logout");
        logoutMI.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                logoutMIActionPerformed(evt);
            }
        });

        systemMenu.add(logoutMI);

        menuBar.add(systemMenu);

        optionsMenu.setText("Options");
        menuBar.add(optionsMenu);

        setJMenuBar(menuBar);

        pack();
    }
    // </editor-fold>//GEN-END:initComponents

    private void deleteButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_deleteButtonActionPerformed
    String delUser = (String)allUserList.getSelectedValue();
    if (delUser == null)  {
        JOptionPane.showMessageDialog(this,"No User Selected","Error",JOptionPane.INFORMATION_MESSAGE);
        return;
    }
    users.remove(delUser);
    saveUsers();
    createAllUserList();
     
    }//GEN-LAST:event_deleteButtonActionPerformed

    private void enableButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_enableButtonActionPerformed
    //System.out.println("Enable index = " + selectedIndex);
    if (allUserList.getSelectedValue() == null)  {
        JOptionPane.showMessageDialog(this,"No User Selected","Error",JOptionPane.INFORMATION_MESSAGE);
    return;
    }    
    String passCode = users.getProperty((String)allUserList.getSelectedValue());

    int loc;
    if ((loc = passCode.indexOf("$$1")) != -1) {   // user is currently disabled
        users.setProperty((String)allUserList.getSelectedValue(), passCode.substring(0,loc)+ "$$0");
        saveUsers();
        createAllUserList();
    }
    }//GEN-LAST:event_enableButtonActionPerformed

    private void addButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addButtonActionPerformed
        String newPass = null;
        String newUser = null;
        newUser = JOptionPane.showInputDialog(this,"Enter New User Name");
        if(newUser == null) {
            JOptionPane.showMessageDialog(this,"Cancelled by User","Error",JOptionPane.INFORMATION_MESSAGE);
            return;
        }
        if (users.getProperty(newUser) == null) {
             newPass = JOptionPane.showInputDialog(this,"Enter New User Password");            
             if (newPass == null) {
                 JOptionPane.showMessageDialog(this,"Cancelled by User","Error",JOptionPane.INFORMATION_MESSAGE);
                 return; }
        }
        else {
            JOptionPane.showMessageDialog(this,"This username already exists","Error",JOptionPane.ERROR_MESSAGE);
            return; }
        users.setProperty(newUser, newPass + "$$1");
        saveUsers();
        createAllUserList();
        
        
    }//GEN-LAST:event_addButtonActionPerformed

    private void logoutMIActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_logoutMIActionPerformed
    disableButtons();
    }//GEN-LAST:event_logoutMIActionPerformed

    private void loginMIActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_loginMIActionPerformed
    enableButtons();
    createAllUserList();

    }//GEN-LAST:event_loginMIActionPerformed

    private void disableButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_disableButtonActionPerformed
    if (allUserList.getSelectedValue() == null)  {
        JOptionPane.showMessageDialog(this,"No User Selected","Error",JOptionPane.INFORMATION_MESSAGE);
    return;
    }    
    String passCode = users.getProperty((String)allUserList.getSelectedValue());
    int loc;
    if ((loc = passCode.indexOf("$$0")) != -1) {   // user is currently enabled
        users.setProperty((String)allUserList.getSelectedValue(), passCode.substring(0,loc)+ "$$1");
        saveUsers();
        createAllUserList();
    }
    }//GEN-LAST:event_disableButtonActionPerformed
    
 
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new MainFrameServer().setVisible(true);
            }
        });
    }
    
    private void enableButtons() {
        addButton.setEnabled(true);
        deleteButton.setEnabled(true);
        disableButton.setEnabled(true);
        enableButton.setEnabled(true);  
        allUserList.setEnabled(true);  
        connectedList.setEnabled(true);
    }
    
    private void disableButtons() {
        addButton.setEnabled(false);
        deleteButton.setEnabled(false);
        disableButton.setEnabled(false);
        enableButton.setEnabled(false);        
        allUserList.setEnabled(false);  
        connectedList.setEnabled(false);        
    }
    
    private void createAllUserList() {
    Vector<String> vector = new Vector<String>();
    
    try {
        users.load(new FileInputStream ("users.txt")); }
    catch (IOException ioe) { System.err.println("Cannot load User Properties File"); }
    
    Enumeration enumer = users.propertyNames();
    while (enumer.hasMoreElements()) {
        vector.add((String)enumer.nextElement());
    }
    
    allUserList = new JList(vector);
    allUserPane.getViewport().setView(allUserList);
    
    allUserList.addMouseListener(new UserListener());
    allUserList.setCellRenderer(new UserListRenderer());
    }
    
    private void saveUsers() {
        
   try {
        users.store(new FileOutputStream ("users.txt"), "Header"); }
    catch (IOException ioe) { System.err.println("Cannot create users.txt File"); }  
        
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton addButton;
    private javax.swing.JLabel allUserLabel;
    private javax.swing.JList allUserList;
    private javax.swing.JScrollPane allUserPane;
    private javax.swing.JList connectedList;
    private javax.swing.JLabel connectedUserLabel;
    private javax.swing.JScrollPane connectedUserPane;
    private javax.swing.JButton deleteButton;
    private javax.swing.JButton disableButton;
    private javax.swing.JButton enableButton;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JMenuItem loginMI;
    private javax.swing.JMenuItem logoutMI;
    private javax.swing.JMenuBar menuBar;
    private javax.swing.JMenu optionsMenu;
    private javax.swing.JMenu systemMenu;
    private javax.swing.JLabel userOptionsLabel;
    // End of variables declaration//GEN-END:variables
    private Properties users = new Properties();
    private int selectedIndex = -1;


class UserListener extends MouseAdapter {
    public void mousePressed(MouseEvent e) {
        selectedIndex = allUserList.getSelectedIndex();
    }
    
}

class UserListRenderer extends JLabel implements ListCellRenderer {
    public UserListRenderer() {
        setOpaque(true);
   }
    
    public Component getListCellRendererComponent(JList allUserList,Object value, int row, boolean isSelected, boolean hasFocus) {
        setText(value.toString());
        
       
        String passcode = users.getProperty(value.toString());
        if (passcode.endsWith("1"))
            setBackground(Color.red);
        else
            setBackground(Color.green);
        
        if(isSelected) {
            setBackground(getBackground().darker());
            setForeground(Color.white);
        }
        
        if(! isSelected)
            setForeground(Color.black);
        
        return this;
    }
}

class MainClientServer extends Thread {
ServerSocket server;

    public void run() {
        try {
            server = new ServerSocket(5000,25); 
            
            while (true) {
                Socket socket = server.accept();
                new ClientServer(socket).start(); }  
            
        } // while
        
       catch (IOException ioe) { ioe.printStackTrace(); }        
    }}

class AdminServer extends Thread {
    private ServerSocket server;
    
    public AdminServer() {  }
    
    public void run() {
        
    try {
        server = new ServerSocket(4000,1); 
        
        while (true) {
            Socket socket = server.accept();
            // take care of admin requests
        
        
        }
    }  
   catch (IOException ioe) { ioe.printStackTrace(); }             
        
        
    }
}

class ClientServer extends Thread {
    private Socket socket;
    
    public ClientServer(Socket socket) {
        this.socket = socket;
    }
    
    public void run() {
        
    }    
}
}