/*
 * Copyright (C) The Apache Software Foundation. All rights reserved.
 *
 * This software is published under the terms of the Apache Software License
 * version 1.1, a copy of which has been included with this distribution in
 * the LICENSE file.
 */
package server.ftp.gui;

import java.awt.Color;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.text.SimpleDateFormat;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JTextField;

import server.ftp.FtpConfig;
import server.ftp.FtpFileListener;
import server.ftp.FtpStatistics;
import server.ftp.FtpStatisticsListener;
import server.ftp.FtpUser;

/**
 * Ftp server global statistics panel.
 * 
 * @author <a href="mailto:rana_b@yahoo.com">Rana Bhattacharyya</a>
 */
public
class FtpStatisticsPanel extends PluginPanel 
                         implements FtpStatisticsListener, FtpFileListener {
    
    private final static SimpleDateFormat DATE_FMT = new SimpleDateFormat("dd,MMM,yyyy HH:mm");
    
    
    private FtpConfig mConfig;                   
    private FtpStatistics mStat;
                
    private JTextField mjStartTimeTxt;
    
    private JTextField mjUploadNbrTxt;
    private JTextField mjDownloadNbrTxt;
    private JTextField mjDeleteNbrTxt;
    
    private JTextField mjUploadBytesTxt;
    private JTextField mjDownloadBytesTxt;
    
    private JTextField mjLoginNbrTxt;
    private JTextField mjAnonLoginNbrTxt;
    private JTextField mjConNbrTxt;
    
    private JTextField mjTotalLoginNbrTxt;
    private JTextField mjTotalAnonLoginNbrTxt;
    private JTextField mjTotalConNbrTxt;
    
    private FtpFileTableModel mUploadModel;
    private FtpFileTableModel mDownloadModel;
    private FtpFileTableModel mDeleteModel;
    
    /** 
     * Creates new panel to display ftp global statistics. 
     */
    public FtpStatisticsPanel(FtpTree tree) {
        super(tree);
        initComponents();
        mUploadModel = new FtpFileTableModel();
        mDownloadModel = new FtpFileTableModel();
        mDeleteModel = new FtpFileTableModel();
    }

    /** 
     * This method is called from within the constructor to
     * initialize the panel.
     */
    private void initComponents() {
          
        GridBagConstraints gc;
        setLayout(new GridBagLayout());
        int yindex = -1;        

        // start time
        JLabel jStartTimeLab = new JLabel("Start Time");
        jStartTimeLab.setHorizontalAlignment(JLabel.RIGHT);
        jStartTimeLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jStartTimeLab, gc);
         
        mjStartTimeTxt = new JTextField();
        mjStartTimeTxt.setColumns(12);
        mjStartTimeTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjStartTimeTxt, gc);
        
        // number of uploads
        JLabel jUploadNbrLab = new JLabel("Number of uploads");
        jUploadNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jUploadNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jUploadNbrLab, gc);        
        
        mjUploadNbrTxt = new JTextField();
        mjUploadNbrTxt.setColumns(6);
        mjUploadNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjUploadNbrTxt, gc);
        
        // number of downloads
        JLabel jDownloadNbrLab = new JLabel("Number of downloads");
        jDownloadNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jDownloadNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jDownloadNbrLab, gc);
        
        mjDownloadNbrTxt = new JTextField();
        mjDownloadNbrTxt.setColumns(6);
        mjDownloadNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjDownloadNbrTxt, gc);
        
        // number of downloads
        JLabel jDeleteNbrLab = new JLabel("Number of deletes");
        jDeleteNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jDeleteNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jDeleteNbrLab, gc);
        
        mjDeleteNbrTxt = new JTextField();
        mjDeleteNbrTxt.setColumns(6);
        mjDeleteNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjDeleteNbrTxt, gc);        
        
        // number of uploaded bytes
        JLabel jUploadBytesLab = new JLabel("Uploaded bytes");
        jUploadBytesLab.setHorizontalAlignment(JLabel.RIGHT);
        jUploadBytesLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jUploadBytesLab, gc);
        
        mjUploadBytesTxt = new JTextField();
        mjUploadBytesTxt.setColumns(12);
        mjUploadBytesTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjUploadBytesTxt, gc);
        
        // number of uploaded bytes
        JLabel jDownloadBytesLab = new JLabel("Downloaded bytes");
        jDownloadBytesLab.setHorizontalAlignment(JLabel.RIGHT);
        jDownloadBytesLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jDownloadBytesLab, gc);
        
        mjDownloadBytesTxt = new JTextField();
        mjDownloadBytesTxt.setColumns(12);
        mjDownloadBytesTxt.setEditable(false); 
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjDownloadBytesTxt, gc);
        
        // number of current logins
        JLabel jLoginNbrLab = new JLabel("Current logins");
        jLoginNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jLoginNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jLoginNbrLab, gc);
        
        mjLoginNbrTxt = new JTextField();
        mjLoginNbrTxt.setColumns(6);
        mjLoginNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjLoginNbrTxt, gc);
        
        // number of total logins
        JLabel jTotalLoginNbrLab = new JLabel("Total logins");
        jTotalLoginNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jTotalLoginNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jTotalLoginNbrLab, gc);