package cc.glsn.v15.moviemenu;

import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.LinkedList;
import java.util.TreeMap;
import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ListSelectionModel;
import javax.swing.ScrollPaneConstants;


public class MovieMenu implements KeyListener, MouseListener
{
    public static final String DefaultRoot="m:";
    public static final Color BGColor=Color.DARK_GRAY;
    
    public static int ImageHeight = 150;
    public static int ItemWidth = 800;
    public static final String FontName="Franklin Gothic Medium";
    public static int FontSize=14;
    
    public boolean PlayerRunning=false;
    
    public static Color getHiColor()
    {
        return new Color(0,0,80);
        
    }
    
    public static void main(String[] args) throws FileNotFoundException
    {
        String Root=DefaultRoot;
        
        if (args.length>0) Root=args[0];
        
        new MovieMenu(Root);

    }
    
    JFrame Frame;
    JScrollPane Scrolly;
    
    String RootDir;
    
    
    LinkedList<String> RelLocation;
    TreeMap<String,Integer> LastSelected;
    TreeMap<String,Vector<MovieItem> > ItemCache;
    
    
    JList ItemList;
    JTextArea Title;
    
    ImageLoader ImageCache;
    
    MovieMenuConfig MMConf;

    public MovieMenu(String rootDir) throws FileNotFoundException
    {
        MMConf=new MovieMenuConfig(rootDir);
        ImageHeight=MMConf.getImageHeight();
        FontSize=MMConf.getFontSize();
        ItemWidth=MMConf.getWindowWidth();
        System.out.println("Starting...");
        ImageCache=new ImageLoader();
        clearCache();
        RootDir=rootDir;
        RelLocation=new LinkedList<String>();
        LastSelected=new TreeMap<String,Integer>();
        
        
        Title=new JTextArea(1,100);
        Title.setEditable(false);
        Title.setFocusable(false);
        Title.setForeground(Color.YELLOW);
        Title.setFont(new Font(FontName,0,MMConf.getFontSize()));
        Title.setBackground(BGColor);
        
        /*for(Font F : GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts())
        {
            System.out.println(F);
        }*/
        
        
        
        
        Frame=new JFrame("MovieMenu");
        Frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Frame.pack();
        Frame.setSize(MMConf.getWindowWidth(),MMConf.getWindowHeight());
        
        
        Frame.setBackground(BGColor);
        Frame.addKeyListener(this);
        
        Frame.getContentPane().setBackground(BGColor);
        
        ItemList=new JList();
        ItemList.addKeyListener(this);
        ItemList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        ItemList.setLayoutOrientation(JList.VERTICAL);
        ItemList.setCellRenderer(new MovieItemRender());
        ItemList.setBackground(BGColor);
        ItemList.addMouseListener(this);
        
        ItemList.setLayout(new FlowLayout(FlowLayout.LEFT));
        
        Scrolly=new JScrollPane(ItemList,ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
        Scrolly.getViewport().setBackground(BGColor);
        Scrolly.setBackground(BGColor);
        
        Frame.setContentPane(new JPanel(new java.awt.GridBagLayout()));

        {
            GridBagConstraints c=new GridBagConstraints();


            c.gridheight=1;
            c.gridwidth=GridBagConstraints.REMAINDER;
            c.fill=GridBagConstraints.NONE;
            c.insets=new java.awt.Insets(0,0,0,0);
            c.anchor=GridBagConstraints.WEST;
            //c.weightx=1.0;
            //c.weighty=1.0;


            Frame.getContentPane().add(Title,c);
        }
        
        
        {
            GridBagConstraints c=new GridBagConstraints();


            c.gridheight=1;
            c.gridwidth=GridBagConstraints.REMAINDER;
            c.fill=GridBagConstraints.BOTH;
            c.insets=new java.awt.Insets(0,0,0,0);
            c.anchor=GridBagConstraints.WEST;
            c.weightx=100.0;
            c.weighty=100.0;


            Frame.getContentPane().add(Scrolly,c);
        }
        

        scanDirectory();
        
        //Scrolly.setSize(720,480);
        //Scrolly.setPreferredSize(720,480);
        //Scrolly.setPreferredSize(new Dimension(720,480));
        //Frame.pack();
        Frame.setVisible(true);
        //Frame.repaint();
        //Frame.setSize(720,480);
        //Scrolly.repaint();
        //Frame.repaint();
        
        //System.out.println(Frame.getSize());
    }
    
    synchronized void moveDown(String S)
    {
        if (S.equals(".."))
        {
            moveUp();
            return;
        }
        LastSelected.put(getPathStr(),ItemList.getSelectedIndex());
        RelLocation.add(S);
        scanDirectory();
    }
    
    synchronized void moveUp()
    {
        LastSelected.put(getPathStr(),ItemList.getSelectedIndex());
        if (RelLocation.size()>0) RelLocation.removeLast();
        scanDirectory();
    }
    
    synchronized String getPathStr()
    {
        StringBuilder Path=new StringBuilder();
        Path.append(RootDir);
        for(String S : RelLocation)
        {
            Path.append('/');
            Path.append(S);
        }
        
        return Path.toString();
        
    }
    
    synchronized void scanDirectory()
    {
        StringBuilder Loc=new StringBuilder();
        
        Loc.append("MovieRoot:");
        
        
        for(String S : RelLocation)
        {
            Loc.append('/');
            Loc.append(S);
        }
        
        
        Title.setText(Loc.toString());
        Vector<MovieItem> Items;
        String PathStr=getPathStr();
        
        if (ItemCache.containsKey(PathStr))
        {
            Items=ItemCache.get(PathStr);
        }
        else
        {
          
            Items=new Vector<MovieItem>();
            File DirFile=new File(PathStr);
            
            TreeMap<String,String> M=new TreeMap<String,String>();
            
            for(String S : DirFile.list())
            {
                File F=new File(PathStr + "/" + S);
                if (F.isDirectory())
                {
                    M.put("000" + S, S);
                }
                else
                {
                    M.put("010" + S,S);
                }
            }
            
            
            for(String S : M.values())
            {
                File F=new File(PathStr + "/" + S);
                if ((F.isDirectory()) || (S.endsWith(".tag")))
                {
    
                    Items.add(new MovieItem(this,PathStr,S));
                }
                        
            }
            
            
            if (RelLocation.size()>0)
            {
                //Items.add(new MovieItem(this,PathStr,".."));
            }
            ItemCache.put(PathStr,Items);
        }
            
            
        
        ItemList.setListData(Items);
        
        
        if (!LastSelected.containsKey(PathStr))
        {
            LastSelected.put(PathStr,0);
        }
        
        int idx=LastSelected.get(PathStr);
        ItemList.setSelectedIndex(idx);
        //ItemList.setSelectedIndex(0);
        ItemList.scrollRectToVisible(ItemList.getCellBounds(idx,idx));
        ItemList.repaint();
        
        
    }
    
    private void action()
    {
        MovieItem M=(MovieItem)ItemList.getSelectedValue();
        M.action();
    }
    
    private void edit()
    {
        MovieItem M=(MovieItem)ItemList.getSelectedValue();
        M.edit();
        
        
    }

    public void keyTyped(KeyEvent e)
    {
  
            
            

        
    }

    public void keyPressed(KeyEvent e)
    {
        // TODO Auto-generated method stub
        //System.out.println(e);
        if (e.getKeyCode()==KeyEvent.VK_LEFT)
        {
            moveUp();
        }
        if (e.getKeyCode()==KeyEvent.VK_RIGHT)
        {
            action();
        }
        if (e.getKeyCode()==KeyEvent.VK_ENTER)
        {
            action();
        }
        if (e.getKeyCode()==KeyEvent.VK_SPACE)
        {
            action();
        }
        if (e.getKeyCode() == KeyEvent.VK_E)
        {
            edit();
        }
        if (e.getKeyCode()==KeyEvent.VK_F5)
        {
            clearCache();
            scanDirectory();
            
            
        }
                    
    }
    
    public void clearCache()
    {
        ItemCache=new TreeMap<String,Vector<MovieItem> > ();
        getImageLoader().clearCache();
    }

    public void keyReleased(KeyEvent arg0)
    {
        // TODO Auto-generated method stub
        
    }

    public void mouseClicked(MouseEvent e)
    {
        if (e.getButton()==MouseEvent.BUTTON1)
            
        {
            //action();
            int idx=ItemList.locationToIndex(e.getPoint());
        
            java.awt.Rectangle R=ItemList.getCellBounds(idx,idx);
            if (R.contains(e.getPoint())) action();
        }
        else
        {
            moveUp();
        }
        //if ()>=0) action(); 
        
    }

    public void mousePressed(MouseEvent arg0)
    {
        // TODO Auto-generated method stub
        
    }

    public void mouseReleased(MouseEvent arg0)
    {
        // TODO Auto-generated method stub
        
    }

    public void mouseEntered(MouseEvent arg0)
    {
        // TODO Auto-generated method stub
        
    }

    public void mouseExited(MouseEvent arg0)
    {
        // TODO Auto-generated method stub
        
    }
    
    
    
    public ImageLoader getImageLoader() {return ImageCache;}
    

}