package com.jpexs.decompiler.flash.gui.player;

import com.jpexs.decompiler.flash.Main;
import com.jpexs.decompiler.flash.gui.FlashUnsupportedException;
import com.sun.jna.Native;
import com.sun.jna.Platform;
import com.sun.jna.Pointer;
import com.sun.jna.WString;
import com.jpexs.decompiler.flash.gui.player.jna.platform.win32.Kernel32;
import com.jpexs.decompiler.flash.gui.player.jna.platform.win32.SHELLEXECUTEINFO;
import com.jpexs.decompiler.flash.gui.player.jna.platform.win32.Shell32;
import com.jpexs.decompiler.flash.gui.player.jna.platform.win32.WinDef;
import com.jpexs.decompiler.flash.gui.player.jna.platform.win32.WinDef.HWND;
import com.jpexs.decompiler.flash.gui.player.jna.platform.win32.WinNT;
import com.jpexs.decompiler.flash.gui.player.jna.platform.win32.WinNT.HANDLE;
import com.jpexs.decompiler.flash.gui.player.jna.platform.win32.WinUser;
import com.sun.jna.ptr.IntByReference;
import java.awt.Graphics;
import java.awt.Panel;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JFrame;

/**
 *
 * @author JPEXS
 */
public class FlashPlayerPanel extends Panel {
   private boolean executed=false;
   private String flash;
   private HANDLE pipe;
   private static List<HANDLE> processes=new ArrayList<HANDLE>();
   private static List<HANDLE> pipes=new ArrayList<HANDLE>();
   private JFrame frame;
   
   private synchronized void resize(){
      if(pipe!=null){
            IntByReference ibr=new IntByReference();    
            Kernel32.INSTANCE.WriteFile(pipe, new byte[]{2},1,ibr,null);
            Kernel32.INSTANCE.WriteFile(pipe, new byte[]{
               (byte)(getWidth()/256),(byte)(getWidth()%256),
               (byte)(getHeight()/256),(byte)(getHeight()%256),
            },4,ibr,null);
            }
   }
   
   public FlashPlayerPanel(JFrame frame) {
      if(!Platform.isWindows()){
         throw new FlashUnsupportedException();
      }
      this.frame=frame;
      addComponentListener(new ComponentListener() {

         @Override
         public void componentResized(ComponentEvent e) 
         {
                     resize();
         }

         @Override
         public void componentMoved(ComponentEvent e) {
            
         }

         @Override
         public void componentShown(ComponentEvent e) {
            componentResized(e);
         }

         @Override
         public void componentHidden(ComponentEvent e) {
            
         }
      });
   }
   
   private WinDef.HWND hwndFrame;
   
   
   private void execute(){
      WinDef.HWND hwnd = new WinDef.HWND();            
      hwnd.setPointer(Native.getComponentPointer(this));
      
      hwndFrame = new WinDef.HWND();            
      hwndFrame.setPointer(Native.getComponentPointer(frame));
      
      
      pipe=Kernel32.INSTANCE.CreateNamedPipe("\\\\.\\pipe\\ffdec_flashplayer_"+hwnd.getPointer().hashCode(), Kernel32.PIPE_ACCESS_OUTBOUND, Kernel32.PIPE_TYPE_BYTE, 1, 0, 0, 0, null);      
      
      
      
      SHELLEXECUTEINFO sei=new SHELLEXECUTEINFO();
      sei.fMask=0x00000040;
      String path=new File(new File(".").getAbsolutePath()).getParentFile().getAbsolutePath();
      sei.lpFile=new WString(path+"\\lib\\FlashPlayer.exe");      
      sei.lpParameters=new WString(hwnd.getPointer().hashCode()+" "+hwndFrame.getPointer().hashCode());
      sei.nShow=WinUser.SW_NORMAL;
      Shell32.INSTANCE.ShellExecuteEx(sei);     
      processes.add(sei.hProcess);

      Kernel32.INSTANCE.ConnectNamedPipe(pipe, null);
      pipes.add(pipe);
      executed=true;
   }
      
   
   public synchronized void displaySWF(String flash){
      this.flash=flash;
      repaint();
      if(!executed){
         execute();
      }
      if(pipe!=null){
         IntByReference ibr=new IntByReference();    
         Kernel32.INSTANCE.WriteFile(pipe, new byte[]{1},1,ibr,null);
         Kernel32.INSTANCE.WriteFile(pipe, new byte[]{(byte)flash.getBytes().length},1,ibr,null);
         Kernel32.INSTANCE.WriteFile(pipe, flash.getBytes(),flash.getBytes().length,ibr, null);         
      }                 
   }
     
   
   public static void unload(){
      if(Platform.isWindows()){
      for(int i=0;i<processes.size();i++){         
         Kernel32.INSTANCE.CloseHandle(pipes.get(i));
         Kernel32.INSTANCE.TerminateProcess(processes.get(i), 0);
      }
      }
   }
   
   @Override
   public void paint(Graphics g) {
      if((!executed)&&flash!=null){
         execute();
      }
      super.paint(g);
   }
   
}