/*
 * Created on Jul 21, 2006 3:19:03 PM
 * Copyright (C) 2006 Aelitis, All Rights Reserved.
 *
 * This program 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.
 * This program is distributed in the hope that it will be useful,
 * 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.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * AELITIS, SAS au capital de 46,603.30 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 */
package org.gudy.azureus2.platform.macosx.access.jnilib;

import java.io.File;
import java.util.Map;

import org.gudy.azureus2.core3.util.*;

import com.aelitis.azureus.core.drivedetector.DriveDetectorFactory;
import com.aelitis.azureus.util.MapUtils;

/**
 * @author TuxPaper
 * @created Jul 21, 2006
 *
 * javah -d . -classpath ../../../../../../../../bin org.gudy.azureus2.platform.macosx.access.jnilib.OSXAccess
 */
public class OSXAccess
{
	private static boolean bLoaded = false;

	private static boolean DEBUG = false;

	static {
		if (!Constants.isOSX_10_5_OrHigher || !loadLibrary("OSXAccess_10.5")) {
			loadLibrary("OSXAccess");
		}
	}


	private static boolean loadLibrary(String lib) {
		try {
			SystemLoadLibrary(lib);
			System.out.println(lib + " v" + getVersion() + " Load complete!");
			bLoaded = true;
			initDriveDetection();
		} catch (Throwable e1) {
			Debug.outNoStack("Could not find lib" + lib + ".jnilib; " + e1.toString());
		}
		
		return bLoaded;
	}
	
	private static  void SystemLoadLibrary(String lib) throws Throwable {
		try {
			System.loadLibrary(lib);
		} catch (Throwable t) {
			// if launched from eclipse, updates will put it into ./Azureus.app/Contents/Resources/Java/dll
			try {
				File f = new File("Azureus.app/Contents/Resources/Java/dll/lib" + lib + ".jnilib");
				System.load(f.getAbsolutePath());
			} catch (Throwable t2) {
				throw t;
			}
		}
	}

	private static void initDriveDetection() {
		try {
			initializeDriveDetection(new OSXDriveDetectListener() {
				public void driveRemoved(File mount, Map driveInfo) {
					if (DEBUG) {
						System.out.println("UNMounted " + mount);
						for (Object key : driveInfo.keySet()) {
							Object val = driveInfo.get(key);
							System.out.println("\t" + key + "\t:\t" + val);
						}
					}
					DriveDetectorFactory.getDeviceDetector().driveRemoved(mount);
				}

				public void driveDetected(File mount, Map driveInfo) {
					if (DEBUG) {
						System.out.println("Mounted " + mount);
						for (Object key : driveInfo.keySet()) {
							Object val = driveInfo.get(key);
							System.out.println("\t" + key + "\t:\t" + val);
						}
					}

					boolean isOptical = MapUtils.getMapLong(driveInfo, "isOptical", 0) != 0;
					boolean isRemovable = MapUtils.getMapLong(driveInfo, "Removable", 0) != 0;
					boolean isWritable = MapUtils.getMapLong(driveInfo, "Writable", 0) != 0;
					
					boolean isWritableUSB = (isRemovable && isWritable && !isOptical);
					driveInfo.put("isWritableUSB", isWritableUSB);
					
					DriveDetectorFactory.getDeviceDetector().driveDetected(mount, driveInfo);
				}
			});
		} catch (Throwable t) {
		}
	}

	public static final native int AEGetParamDesc(int theAppleEvent,
			int theAEKeyword, int desiredType, Object result); //AEDesc result

	public static final native String getVersion();

	// 1.02
	public static final native String getDocDir();

	// 1.03
	public static final native void memmove(byte[] dest, int src, int size);

	// 1.04
	public static final native void initializeDriveDetection(
			OSXDriveDetectListener d);

	public static boolean isLoaded() {
		return bLoaded;
	}
}