/*
	Description:
	Author: Students in CS231
	Date: April 2003
 */
 
import java.io.Serializable;
import java.util.Vector;

public class AlbumList implements Serializable {
    //Album[] albums = new Album[100];
    Vector albums = new Vector();
    //int max = 0;  // number of albums in list
    
    public void addAlbum(Album a) {
       //albums[max] = a;
       //max++;   
       albums.addElement(a);
    }
    
    public void deleteAlbum(Album a) {
        
    }
    
    public int getMax() { return albums.size(); }
    
    // returns ith album in list
    public Album getAlbum(int i) { 
        if ( i<0 || i >=albums.size()) return null;
        else return (Album) albums.elementAt(i); 
    }
    
    // returns album with the given name
    public Album getAlbum(String name) {
       for (int i=0; i < albums.size(); i++) {
          Album a = (Album) albums.elementAt(i); 
          if ( a.equals(name) )
               return a;
       }
       return null;       
    }
    
    // this isn't really right. Want to remove album 
    // althogether if artist is creater of album.
    public void deleteArtist(Artist a) {
        for (int i=0; i < albums.size(); i++) ((Album) albums.elementAt(i)).deleteArtist(a);
    }
    
    public String longToString() {
        String s="Albums:\n    ";
        if (albums.size()==0) return s = s + "none";
        else {
            for (int i=0; i < albums.size(); i++) {
                if (i < albums.size()-1) s += ((Album) albums.elementAt(i)) + "\n    ";
                else s += ((Album) albums.elementAt(i)) + "\n";
            }
            return s;
        }
    }
    

    public String toString() {
        String s="albums: ";
        if (albums.size()==0) return s = s + "none";
        else {
            for (int i=0; i < albums.size(); i++) s += ((Album) albums.elementAt(i)).getName() +
                ", ";
            return s;
        }
    }
}