package fowler;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public class RemoteAlbum implements Album {

	private static final long serialVersionUID = 1;

	private String title;

	private Artist artist;

	private String song;;

	private boolean platinum;

	private List<Track> tracks = new ArrayList<Track>();

	public RemoteAlbum(String title) {
		this.title = title;
		this.platinum = false;
		this.song = randomString(30);
	}

	public static String randomString(int len) {
		Random r = new Random();
		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < len; i++) {
			char letter = (char) ((int) 'a' + r.nextInt(26));
			sb.append(letter);
		}
		return sb.toString();
	}

	@Override
	public String play() {
		return song;
	}

	@Override
	public String getTitle() {
		return title;
	}

	@Override
	public void setTitle(String title) {
		this.title = title;
	}

	@Override
	public Artist getArtist() {
		return artist;
	}

	@Override
	public void setArtist(Artist artist) {
		this.artist = artist;
	}

	@Override
	public Track[] getTracks() {
		Track[] tr = tracks.toArray(new Track[tracks.size()]);
		for (Track t : tr) {
			System.out.println(t);
		}
		return tr;
	}

	@Override
	public void addTrack(Track t) {
		tracks.add(t);
	}

	@Override
	public void removeTrack(Track t) {
		tracks.remove(t);
	}

	@Override
	public boolean isPlatinum() {
		return platinum;
	}

	@Override
	public void setPlatinum(boolean platinum) {
		this.platinum = platinum;
	}
}