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

public class ArtistList implements Serializable {
    Artist [] artists = new Artist[100];
    int max = 0;
    
    public void addArtist(Artist a) {
       artists[max] = a;
       max++;   
    }
    
    public Artist deleteArtist(String name) {
       int i;
       for (i=0; i < max; i++) {
          if ( artists[i].getName().equals(name) )
               break;
       }
       // replace artist at i with last artist in list
       if (i < max) {
           Artist a = artists[i];
           artists[i] = artists[max-1];
           max--;
           return a; // return removed artist
       }
       else return null; // artist not found
    }
    
    public Artist getArtist(String name) {
       for (int i=0; i < max; i++) {
          if ( artists[i].getName().equals(name) )
               return artists[i];
       }
       System.out.println("Artist " + name + " not found");
       return null;       
    }
    
    public Artist getArtist(int i) { return artists[i]; }
    
    public int getMax() { return max; }
    
    public String longToString() {
        String s="Artists:\n    ";
        if (max==0) return s = s + "none";
        else {
            for (int i=0; i < max; i++) {
                if (i < max-1) s += artists[i] + "\n    ";
                else s += artists[i] + "\n";
            }
            return s; 
        }
    }
    public void save() {
        MyWriter writer = new MyWriter();  
        for (int i=0; i < max; i++) {
            Artist a = artists[i];
            writer.println(a.getName());
            AlbumList list = a.albums;
            for (int j=0; j < list.albums.size(); j++) {
                Album alb =   (Album) list.albums.elementAt(j); 
                writer.print(alb.getName() + " " + alb.getDate()+" ");
            }
            writer.println("");
            
        }
        writer.close();
    }
    
    public String toString() {
        String s="Artists: ";
        if (max==0) return s = s + "none";
        else {
            for (int i=0; i < max; i++) s += artists[i].getName() + ", ";
            return s; 
        }
    }
}