/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.backends.gwt.preloader;

public class DefaultAssetFilter implements AssetFilter {
	private String extension (String file) {
		String name = file;
		int dotIndex = name.lastIndexOf('.');
		if (dotIndex == -1) return "";
		return name.substring(dotIndex + 1);
	}

	@Override
	public boolean accept (String file, boolean isDirectory) {
		if (isDirectory && file.endsWith(".svn")) return false;
		return true;
	}

	@Override
	public AssetType getType (String file) {
		String extension = extension(file).toLowerCase();
		if (isImage(extension)) return AssetType.Image;
		if (isAudio(extension)) return AssetType.Audio;
		if (isText(extension)) return AssetType.Text;
		return AssetType.Binary;
	}

	private boolean isImage (String extension) {
		return extension.equals("jpg") || extension.equals("jpeg") || extension.equals("png") || extension.equals("bmp") || extension.equals("gif");
	}

	private boolean isText (String extension) {
		return extension.equals("json") || extension.equals("xml") || extension.equals("txt") || extension.equals("glsl")
			|| extension.equals("fnt") || extension.equals("pack") || extension.equals("obj") || extension.equals("atlas")
			|| extension.equals("g3dj");
	}

	private boolean isAudio (String extension) {
		return extension.equals("mp3") || extension.equals("ogg") || extension.equals("wav");
	}

	@Override
	public String getBundleName (String file) {
		return "assets";
	}
}