package cnm.music163;

import java.io.File;
import java.io.IOException;
import java.net.SocketTimeoutException;
import java.util.HashMap;

import org.jaudiotagger.audio.AudioFileIO;
import org.jaudiotagger.audio.exceptions.CannotReadException;
import org.jaudiotagger.audio.exceptions.InvalidAudioFrameException;
import org.jaudiotagger.audio.exceptions.ReadOnlyFileException;
import org.jaudiotagger.audio.mp3.MP3File;
import org.jaudiotagger.tag.TagException;
import org.jaudiotagger.tag.id3.AbstractID3v2Tag;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

public class Mp3Info {

	public static boolean setInfo(Musicer m) {
		try {
			File f = new File(m.getDownPath());
			System.out.println(f.exists());
			MP3File mp3 = (MP3File) AudioFileIO.read(f);
			AbstractID3v2Tag t = mp3.getID3v2Tag();
			m.setName(t.getFirst("TIT2"));
			m.setSinger(t.getFirst("TPE1"));

//			System.out.println("标题："+t.getFirst("TIT2"));
//			System.out.println("作者："+t.getFirst("TPE1"));
//			System.out.println();
			// HashMap<String, Object> map= t.frameMap;
			// System.out.println(map.toString());
			/**
			 * 原本打算从mp3文件中提取的，但是 部分mp3没有tag信息，最终决定从网页获取是最靠谱的
			 */
//			if ("".equals(m.getName())) {
//				setInfo4html(m);
//			}
			if(m.getName()!=null||m.getSinger()!=null) {
				return true;
			}

		} catch (CannotReadException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		} catch (TagException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		} catch (ReadOnlyFileException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		} catch (InvalidAudioFrameException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		}
		return false;

	}

	public static boolean setInfo4html(Musicer m) {
		try {
			/*
			 * 为什么不用URLConnection去获取？ 乱码是个痛苦的事
			 */
			//加上超时时间，防止死了
			Document doc = Jsoup.connect(m.getOnUrl()).timeout(10000).get();
			m.setName(doc.select("meta[property=og:title]").get(0).attr("content"));
			m.setSinger(doc.select("meta[property=og:music:artist]").get(0).attr("content"));
			//如果从网页获取失败 尝试从文件中读取
			if(m.getName()==null||m.getSinger()==null) {
				setInfo(m);
			}
			if(m.getName()!=null||m.getSinger()!=null) {
				return true;
			}

		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		}
		return false;

	}

}