package org.thdl.savant;

import java.awt.Font;
import java.awt.Label;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import java.util.Iterator;
import java.util.List;
import java.util.Enumeration;
import java.util.StringTokenizer;
import java.util.Timer;
import java.util.TimerTask;

import java.io.CharArrayWriter;
import java.io.CharArrayReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

import java.net.URL;
import java.net.MalformedURLException;

import javax.swing.*;
import javax.swing.text.*;
import javax.swing.text.rtf.RTFEditorKit;

public class Savant extends JDesktopPane
{
	protected SoundPanel sp = null;
	protected TwoWayTextPlayer tp = null;

	protected JInternalFrame videoFrame = null;
	protected JInternalFrame textFrame = null;
	protected JInternalFrame vocabFrame = null;

	protected JFrame fullScreen = null;
	protected boolean isFullScreen = false;
	protected Dimension fullScreenSize = null;

	protected JPanel videoPanel = null;
	protected JPanel textPanel = null;
	protected JScrollPane vocabPanel = null;

	protected URL extras = null;

	protected int orientation = 0;
	public final int TOP_TO_BOTTOM = 1;
	public final int LEFT_TO_RIGHT = 2;

	public Savant()
	{
		setBackground(new JFrame().getBackground());
		setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);
		setLayout(new BorderLayout());
		String labelString = "Please wait while Savant loads this transcript and media.";
		JLabel label = new JLabel(labelString, SwingConstants.CENTER);
		label.setFont(new Font("Serif", Font.PLAIN, 14));
		add("Center", label);

		addComponentListener(new ComponentAdapter()
		{
			public void componentResized(ComponentEvent ce)
			{
				switch (orientation) {
					case TOP_TO_BOTTOM:
						videoFrame.setLocation(getSize().width/2 - videoFrame.getSize().width/2, 0);
						textFrame.setLocation(0, videoFrame.getSize().height);
						if (vocabFrame != null)
						{
							textFrame.setSize(getSize().width / 2, getSize().height - videoFrame.getSize().height);
							vocabFrame.setLocation(textFrame.getSize().width, videoFrame.getSize().height);
							vocabFrame.setSize(getSize().width - textFrame.getSize().width, getSize().height - videoFrame.getSize().height);
						} else
							textFrame.setSize(getSize().width, getSize().height - videoFrame.getSize().height);
						break;

					case LEFT_TO_RIGHT:
						videoFrame.setLocation(0,0);
						textFrame.setLocation(videoFrame.getSize().width, 0);
						textFrame.setSize(getSize().width - videoFrame.getSize().width, getSize().height);
						if (vocabFrame != null)
						{
							vocabFrame.setLocation(0, videoFrame.getSize().height);
							vocabFrame.setSize(videoFrame.getSize().width, getSize().height - videoFrame.getSize().height);
						}
						break;

					default:
						break;
				}
			}
		});
	}

	public void close()
	{
		if (sp != null)
			sp.destroy();
	}

	public void open(TranscriptView[] views, String video, String vocabulary)
	{
		try {
			if (vocabulary == null)
				open(views, new URL(video), null);
			else
				open(views, new URL(video), new URL(vocabulary));
		} catch (MalformedURLException murle) {
			murle.printStackTrace();
		}
	}

	public void open(final TranscriptView[] views, final URL video, final URL vocabulary)
	{
		videoPanel = new JPanel(new GridLayout(1,1));
		textPanel = new JPanel(new BorderLayout());

		sp = new SoundPanel(this, video, views[0].getT1s(), views[0].getT2s(), views[0].getIDs());
		tp = new TwoWayTextPlayer(sp, views[0], Color.cyan);

		JPanel jp = new JPanel();
		String[] viewNames = new String[views.length];
		for (int i=0; i<views.length; i++)
			viewNames[i] = new String(views[i].getTitle());

		JComboBox viewOptions = new JComboBox(viewNames);
		viewOptions.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e)
			{
				JComboBox jcb = (JComboBox)e.getSource();
				setTranscriptView(views[jcb.getSelectedIndex()]);
			}
		});
		jp.add(viewOptions);

		extras = vocabulary;
		textPanel.add("Center", tp);

		textPanel.add("North", jp);
		sp.addAnnotationPlayer(tp);
		sp.start();
		final Timer timer = new Timer(true);
		timer.schedule(new TimerTask() {
			public void run()
			{
				if (sp.cmd_isSized())
				{
					timer.cancel();
					//(String title, boolean resizable, boolean closable, boolean maximizable, boolean iconifiable)
					videoFrame = new JInternalFrame(null, false, false, false, false);
					textFrame = new JInternalFrame("Transcript", false, false, false, true);
					textFrame.setVisible(true);
					videoFrame.setVisible(true);
					if (vocabulary != null)
					{
						try {
							JTextPane vocabPane = new JTextPane();
							MouseListener[] mls = (MouseListener[])(vocabPane.getListeners(MouseListener.class));
							for (int i=0; i<mls.length; i++)
								vocabPane.removeMouseListener(mls[i]);
							vocabPane.setEditable(false);
							vocabPanel = new JScrollPane(vocabPane, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
							InputStream in = extras.openStream();
							RTFEditorKit rtf = new RTFEditorKit();
							rtf.read(in, vocabPane.getDocument(), 0);
							vocabPane.getCaret().setDot(0);
						} catch (IOException ioe) {
							ioe.printStackTrace();
						} catch (BadLocationException ble) {
							ble.printStackTrace();
						}
						vocabFrame = new JInternalFrame("About the Video", false, false, false, true);
						vocabFrame.setContentPane(vocabPanel);
						vocabFrame.setVisible(true);
					}
					videoPanel.add(sp);
					videoFrame.setContentPane(videoPanel);
					videoFrame.pack();
					videoFrame.setMaximumSize(videoFrame.getSize());
					textFrame.setContentPane(textPanel);
					if (videoFrame.getSize().height < 100) //must be audio file, so frame top to bottom
					{
						orientation = TOP_TO_BOTTOM;
						videoFrame.setTitle("Audio");
						videoFrame.setLocation(getSize().width/2 - videoFrame.getSize().width/2, 0);
						textFrame.setLocation(0, videoFrame.getSize().height);
						if (vocabulary != null)
						{
							textFrame.setSize(getSize().width / 2, getSize().height - videoFrame.getSize().height);
							vocabFrame.setLocation(textFrame.getSize().width, videoFrame.getSize().height);
							vocabFrame.setSize(getSize().width - textFrame.getSize().width, getSize().height - videoFrame.getSize().height);
						} else
							textFrame.setSize(getSize().width, getSize().height - videoFrame.getSize().height);
					} else { //must be video file, so frame left to right
						orientation = LEFT_TO_RIGHT;
						videoFrame.setTitle("Video");
						videoFrame.setLocation(0,0);
						textFrame.setLocation(videoFrame.getSize().width, 0);
						textFrame.setSize(getSize().width - videoFrame.getSize().width, getSize().height);
						if (vocabulary != null)
						{
							vocabFrame.setLocation(0, videoFrame.getSize().height);
							vocabFrame.setSize(videoFrame.getSize().width, getSize().height - videoFrame.getSize().height);
						}
					}
					if (sp.getVisualComponent() != null)
					{ //video, so can be full screen
						sp.getVisualComponent().addMouseListener(new MouseAdapter()
						{
							public void mouseClicked(MouseEvent e)
							{
								java.awt.Component visual = null;

								if (fullScreen == null)
								{
									fullScreen = new JFrame();
									fullScreen.setUndecorated(true);
									fullScreen.getContentPane().setBackground(Color.black);
									Dimension screenSize = fullScreen.getToolkit().getScreenSize();
									Dimension videoSize = sp.getVisualComponent().getPreferredSize();
									Dimension controlSize = sp.getControlComponent().getPreferredSize();
									int videoWidth = videoSize.width;
									int videoHeight = videoSize.height;
									float vWidth = new Integer(videoWidth).floatValue();
									float vHeight = new Integer(videoHeight).floatValue();
									float xFactor = vHeight / vWidth;
									int fullVideoWidth = screenSize.width;
									float product = fullVideoWidth * xFactor;
									int fullVideoHeight = new Float(product).intValue();
									fullScreenSize = new Dimension(fullVideoWidth, fullVideoHeight);
									fullScreen.getContentPane().setLayout(null);
								}
								if (isFullScreen)
								{
									fullScreen.dispose();

									invalidate();
									validate();
									repaint();

									fullScreen.getContentPane().removeAll();
									sp.restoreVisualComponent();

									invalidate();
									validate();
									repaint();

									isFullScreen = false;
								} else {
									visual = sp.popVisualComponent();
									fullScreen.show();
									fullScreen.setExtendedState(Frame.MAXIMIZED_BOTH);
									fullScreen.getContentPane().add(visual);
									visual.setLocation(0, (fullScreen.getSize().height - fullScreenSize.height)/2);
									visual.setSize(fullScreenSize);
									fullScreen.getContentPane().invalidate();
									fullScreen.getContentPane().validate();
									fullScreen.getContentPane().repaint();
									isFullScreen = true;
								}
							}
						});
					}
					removeAll();
					setLayout(null);
					add(videoFrame, JLayeredPane.POPUP_LAYER);
					invalidate();
					validate();
					repaint();
					add(textFrame, JLayeredPane.DEFAULT_LAYER);
					invalidate();
					validate();
					repaint();
					if (vocabulary != null)
					{
						add(vocabFrame, JLayeredPane.DEFAULT_LAYER);
						invalidate();
						validate();
						repaint();
					}
				}
			}}, 0, 50);
	}

	public void setTranscriptView(TranscriptView view)
	{
		textPanel.invalidate();
		textPanel.remove(tp);
		tp.reset();
		tp = new TwoWayTextPlayer(sp, view, Color.cyan);
		sp.addAnnotationPlayer(tp);
		textPanel.add("Center", tp);
		textPanel.validate();
		textPanel.repaint();
	}
}