/**
 *                    
 * @author greg (at) myrobotlab.org
 *  
 * This file is part of MyRobotLab (http://myrobotlab.org).
 *
 * MyRobotLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version (subject to the "Classpath" exception
 * as provided in the LICENSE.txt file that accompanied this code).
 *
 * MyRobotLab is distributed in the hope that it will be useful or fun,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * All libraries in thirdParty bundle are subject to their own license
 * requirements - please refer to http://myrobotlab.org/libraries for 
 * details.
 * 
 * Enjoy !
 * 
 * */

package org.myrobotlab.control;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

import org.myrobotlab.service.Clock;
import org.myrobotlab.service.GUIService;

public class ClockGUI extends ServiceGUI implements ActionListener {

  static final long serialVersionUID = 1L;
  JButton startClock = new JButton("start clock");

  JPanel clockDisplayPanel = new JPanel(new BorderLayout());
  JPanel clockControlPanel = new JPanel();

  JLabel clockDisplay = new JLabel("<html><p style=\"font-size:30px;\">00:00:00</p></html>");
  // String displayFormat =
  // "<html><p style=\"font-size:30px\">%02d:%02d:%02d</p></html>";
  String displayFormat = "<html><p style=\"font-size:30px\">%s</p></html>";
  DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
  JLabel msgDisplay = new JLabel("");

  JTextField interval = new JTextField("1000");
  JTextField data = new JTextField(10);

  public ClockGUI(final String boundServiceName, final GUIService myService, final JTabbedPane tabs) {
    super(boundServiceName, myService, tabs);
  }

  @Override
  public void actionPerformed(ActionEvent e) {
    Object o = e.getSource();

    if (o == startClock) {
      if (startClock.getText().compareTo("start clock") == 0) {

        myService.send(boundServiceName, "setInterval", Integer.parseInt(interval.getText()));
        // myService.send(boundServiceName, "setData", data.getText());
        myService.send(boundServiceName, "startClock");

      } else {
        myService.send(boundServiceName, "stopClock");
      }
    }
    myService.send(boundServiceName, "publishState");
  }

  public void addClockEvent(Date time, String name, String method, Object... data) {
    myService.send(boundServiceName, "addClockEvent", time, name, method, data);
  }

  @Override
  public void attachGUI() {
    subscribe("countdown", "countdown", Long.class);
    subscribe("publishState", "getState", Clock.class);
    subscribe("pulse", "pulse");

    myService.send(boundServiceName, "publishState");
  }

  public void countdown(Long amtRemaining, String pulseData) {

    long sec = amtRemaining / 1000 % 60;
    long min = amtRemaining / (60 * 1000) % 60;
    long hrs = amtRemaining / (60 * 60 * 1000) % 12;

    // clockControlPanel.setVisible(false);
    // color:#2BFF00;
    // msgDisplay.setText("<html><p
    // style=\"font-size:10px;text-align:center;\">until core meltdown<br/>have
    // a nice day !</p></html>");
    msgDisplay.setText("");
    clockDisplay.setOpaque(true);
    msgDisplay.setOpaque(true);
    clockDisplay.setBackground(new Color(0x2BFF00));
    msgDisplay.setBackground(new Color(0x2BFF00));
    msgDisplay.setText(pulseData);

    clockDisplay.setText(String.format(displayFormat, hrs, min, sec));
  }

  @Override
  public void detachGUI() {
    unsubscribe("countdown", "countdown", Long.class);
    unsubscribe("publishState", "getState", Clock.class);
    unsubscribe("pulse", "pulse");
  }

  public void getState(final Clock c) {
    /*
     * setText is ThreadSafe - no need to invoke SwingUtilities
     * 
     * SwingUtilities.invokeLater(new Runnable() { public void run() {
     */

    interval.setText((c.interval + ""));

    if (c.isClockRunning) {
      startClock.setText("stop clock");
      data.setEnabled(false);
      interval.setEnabled(false);
    } else {
      startClock.setText("start clock");
      data.setEnabled(true);
      interval.setEnabled(true);
    }

    /*
     * }
     * 
     * });
     */
  }

  @Override
  public void init() {
    display.setLayout(new BorderLayout());

    clockDisplay.setHorizontalAlignment(SwingConstants.CENTER);
    clockDisplayPanel.add(clockDisplay, BorderLayout.CENTER);
    msgDisplay.setHorizontalAlignment(SwingConstants.CENTER);
    clockDisplayPanel.add(msgDisplay, BorderLayout.SOUTH);

    display.add(clockDisplayPanel, BorderLayout.CENTER);
    display.add(clockControlPanel, BorderLayout.SOUTH);

    startClock.addActionListener(this);
    clockControlPanel.add(startClock);
    clockControlPanel.add(new JLabel("  interval  "));
    clockControlPanel.add(interval);
    clockControlPanel.add(new JLabel("  ms  "));

  }

  public void pulse(Date date) {
    clockDisplay.setText(String.format(displayFormat, dateFormat.format(date)));
    // countdown(System.currentTimeMillis(), date.);
  }

}