/*
 * Copyright (c) 2006 Manuel Traut and Volker Dahnke
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 *
 * Contributors: Manuel Traut and Volker Dahnke
 */

package YalpServer;

import java.io.File;
import java.io.IOException;
import java.io.FileNotFoundException;

import de.hampelratte.id3.*;

import YalpInterfaces.*;

/*
 * Class FileInfoManager
 *
 * <em>Creates a Result out of FileInformations (ID3, etc)</em>
 *
 * @author Volker Dahnke / Manuel Traut
 *
 * @version 0.1 14-12-2005<br>
 *
 * @see ServerControl
 */

public class FileInfoManager {

	private Media fileInfo;
	private EncodingType eType;

/*
 * Constructor: tries to get all Informations about a file
 *
 * @param file
 */

	public FileInfoManager(File file) {

		this.eType = EncodingType.UNKNOWN;
		this.fileInfo = new Media();
		this.fileInfo.path = file.getParent()+file.separator;
		this.fileInfo.fileName = file.getName();

		/* check extensions is mp3 */
		if( this.fileInfo.fileName.substring( this.fileInfo.fileName.length() - 3,
				this.fileInfo.fileName.length()).equalsIgnoreCase( "mp3" ) )
		{
			this.eType = EncodingType.MP3;
		}

		switch(this.eType.value()) {
			case EncodingType._MP3:
				try
				{
					/* opening mp3 file for reading and writing */
					MP3File mp3 = new de.hampelratte.id3.MP3File(file.toString(), "r");
					this.fileInfo.type = MediaType.SOUND;

					if(mp3.hasID3v1Tag){
						ID3v1Tag tag = mp3.readID3v1Tag();
						/* t.b.d. create StringProperties
						this.fileInfo.album = tag.getAlbum();
						this.fileInfo.author = tag.getArtist();
						this.fileInfo.category = tag.getGenre();
						this.fileInfo.name = tag.getTrack() +" - "+tag.getTitle();
						this.fileInfo.year = tag.getYear();
						*/
					}

					if(mp3.hasID3v2Tag){

						// reading the ID3v2Tag
						ID3v2Tag tag = mp3.readID3v2Tag();
						/* t.b.d. create StringProperties
						this.fileInfo.album = tag.getAlbum();
						this.fileInfo.author = tag.getArtist();
						this.fileInfo.category = tag.getGenre();
						this.fileInfo.year = tag.getYear();
						*/
						if( !(tag.getTrack().equals(""))){
							this.fileInfo.name = tag.getTrack() +" - "+tag.getTitle();
						} else {
							this.fileInfo.name = tag.getTitle();
						}
					}

					if (this.fileInfo.name.equals("")) {

						this.fileInfo.name =
							file.getName().substring( 0, file.getName().length() - 4 );
					}

					mp3.close();
				} catch (Exception e) {

					this.fileInfo.name =
						file.getName().substring(0,file.getName().length() - 4);
				}
				break;

			default:
				this.fileInfo.name =
					file.getName().substring(0,file.getName().length()-4);

				this.fileInfo.type = MediaType.VIDEO;
				break;
		}
	}

/*
 * returns the information to an media, found
 * @return MediaChange
 *		Informations about the media
 */

	public Media getInfo(){
		return this.fileInfo;
	}
}