package deluppgift3;

import java.io.*;
import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Mattias
 */
public class Musiklista {

    private final List<Musik> lista;

    public Musiklista() {
        lista = new ArrayList<>();
    }

    public void addMusik(Musik musik) {
        lista.add(musik);
    }

    public void removeMusik(int index) {
        lista.remove(index);
    }

    public Musik getMusik(int index) {
        return lista.get(index);
    }

    public List<Musik> getArrayList() {
        return lista;
    }

    public void readFromFile (String filnamn) throws IOException{
        BufferedReader in = new BufferedReader(new FileReader(filnamn));
        String rader;

        while ((rader = in.readLine()) != null){
            String[] position = rader.split(",");

            Musik m = new Musik();
            m.setTitel(position[0]);
            m.setArtist(position[1]);
            m.setAlbum(position[2]);
            m.setAntallatar(Integer.parseInt(position[3]));
            this.addMusik(m);
        }
        in.close();
    }


    public void writeToFile (String filnamn) throws IOException{
        FileWriter fw = new FileWriter(filnamn);
        BufferedWriter bw = new BufferedWriter(fw);
        for(int i = 0; i < lista.size(); i++){
            Musik m = lista.get(i);
            String skrift = m.getTitel() + "," + m.getArtist() + "," + m.getAlbum() + "," + m.getAntallatar();
            bw.write(skrift);
            bw.newLine();
        }
        bw.close();
    }

    public void skrivInfo(){
        System.out.println("Titel\tArtist\tAlbum\tlåtar i albumet");
        for(int i = 0; i < lista.size(); i++){
            Musik m = lista.get(i);

            String information = m.getTitel() + "\t" + m.getArtist() + "\t" + m.getAlbum() + "\t" + m.getAntallatar();
            System.out.println(information);
        }
    }


    public int getMusikAntal(){
        return lista.size();
    }
}