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package musichub.main;
import musichub.business.*;
import java.util.Iterator;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
MusicHub theHub = new MusicHub();
System.out.println("Type h for available commands");
Scanner scan = new Scanner(System.in);
String choice = scan.nextLine();
String albumTitle;
if (choice.length() == 0) System.exit(0);
while (choice.charAt(0) != 'q') {
switch (choice.charAt(0)) {
case 'h':
printAvailableCommands();
choice = scan.nextLine();
break;
case 't':
//album titles, ordered by date
System.out.println(theHub.getAlbumsTitlesSortedByDate());
printAvailableCommands();
choice = scan.nextLine();
break;
case 'g':
//songs of an album, sorted by genre
System.out.println("Songs of an album sorted by genre will be displayed; enter the album name, available albums are:");
System.out.println(theHub.getAlbumsTitlesSortedByDate());
albumTitle = scan.nextLine();
try {
System.out.println(theHub.getAlbumSongsSortedByGenre(albumTitle));
} catch (NoAlbumFoundException ex) {
System.out.println("No album found with the requested title " + ex.getMessage());
}
printAvailableCommands();
choice = scan.nextLine();
break;
case 'd':
//songs of an album
System.out.println("Songs of an album will be displayed; enter the album name, available albums are:");
System.out.println(theHub.getAlbumsTitlesSortedByDate());
albumTitle = scan.nextLine();
try {
System.out.println(theHub.getAlbumSongs(albumTitle));
} catch (NoAlbumFoundException ex) {
System.out.println("No album found with the requested title " + ex.getMessage());
}
printAvailableCommands();
choice = scan.nextLine();
break;
case 'u':
//audiobooks ordered by author
System.out.println(theHub.getAudiobooksTitlesSortedByAuthor());
printAvailableCommands();
choice = scan.nextLine();
break;
case 'c':
// add a new song
System.out.println("Enter a new song: ");
System.out.println("Song title: ");
String title = scan.nextLine();
System.out.println("Song genre (jazz, classic, hiphop, rock, pop, rap):");
String genre = scan.nextLine();
System.out.println("Song artist: ");
String artist = scan.nextLine();
System.out.println("Song length in seconds: ");
int length = Integer.parseInt(scan.nextLine());
System.out.println("Song content: ");
String content = scan.nextLine();
Song s = new Song(title, artist, length, content, genre);
theHub.addElement(s);
System.out.println("New element list: ");
Iterator<AudioElement> it = theHub.elements();
while (it.hasNext()) System.out.println(it.next().getTitle());
System.out.println("Song created!");
printAvailableCommands();
choice = scan.nextLine();
break;
case 'a':
// add a new album
System.out.println("Enter a new album: ");
System.out.println("Album title: ");
String aTitle = scan.nextLine();
System.out.println("Album artist: ");
String aArtist = scan.nextLine();
System.out.println("Album length in seconds: ");
int aLength = Integer.parseInt(scan.nextLine());
System.out.println("Album date as YYYY-DD-MM: ");
String aDate = scan.nextLine();
Album a = new Album(aTitle, aArtist, aLength, aDate);
theHub.addAlbum(a);
System.out.println("New list of albums: ");
Iterator<Album> ita = theHub.albums();
while (ita.hasNext()) System.out.println(ita.next().getTitle());
System.out.println("Album created!");
printAvailableCommands();
choice = scan.nextLine();
break;
case '+':
//add a song to an album:
System.out.println("Add an existing song to an existing album");
System.out.println("Type the name of the song you wish to add. Available songs: ");
Iterator<AudioElement> itae = theHub.elements();
while (itae.hasNext()) {
AudioElement ae = itae.next();
if (ae instanceof Song) System.out.println(ae.getTitle());
}
String songTitle = scan.nextLine();
System.out.println("Type the name of the album you wish to enrich. Available albums: ");
Iterator<Album> ait = theHub.albums();
while (ait.hasNext()) {
Album al = ait.next();
System.out.println(al.getTitle());
}
String titleAlbum = scan.nextLine();
try {
theHub.addElementToAlbum(songTitle, titleAlbum);
} catch (NoAlbumFoundException | NoElementFoundException ex) {
System.out.println(ex.getMessage());
}
System.out.println("Song added to the album!");
printAvailableCommands();
choice = scan.nextLine();
break;
case 'l':
// add a new audiobook
System.out.println("Enter a new audiobook: ");
System.out.println("AudioBook title: ");
String bTitle = scan.nextLine();
System.out.println("AudioBook category (youth, novel, theater, documentary, speech)");
String bCategory = scan.nextLine();
System.out.println("AudioBook artist: ");
String bArtist = scan.nextLine();
System.out.println("AudioBook length in seconds: ");
int bLength = Integer.parseInt(scan.nextLine());
System.out.println("AudioBook content: ");
String bContent = scan.nextLine();
System.out.println("AudioBook language (french, english, italian, spanish, german)");
String bLanguage = scan.nextLine();
AudioBook b = new AudioBook(bTitle, bArtist, bLength, bContent, bLanguage, bCategory);
theHub.addElement(b);
System.out.println("Audiobook created! New element list: ");
Iterator<AudioElement> itl = theHub.elements();
while (itl.hasNext()) System.out.println(itl.next().getTitle());
printAvailableCommands();
choice = scan.nextLine();
break;
case 'p':
//create a new playlist from existing elements
System.out.println("Add an existing song or audiobook to a new playlist");
System.out.println("Existing playlists:");
Iterator<PlayList> itpl = theHub.playlists();
while (itpl.hasNext()) {
PlayList pl = itpl.next();
System.out.println(pl.getTitle());
}
System.out.println("Type the name of the playlist you wish to create:");
String playListTitle = scan.nextLine();
PlayList pl = new PlayList(playListTitle);
theHub.addPlaylist(pl);
System.out.println("Available elements: ");
Iterator<AudioElement> itael = theHub.elements();
while (itael.hasNext()) {
AudioElement ae = itael.next();
System.out.println(ae.getTitle());
}
while (choice.charAt(0) != 'n') {
System.out.println("Type the name of the audio element you wish to add or 'n' to exit:");
String elementTitle = scan.nextLine();
try {
theHub.addElementToPlayList(elementTitle, playListTitle);
} catch (NoPlayListFoundException | NoElementFoundException ex) {
System.out.println(ex.getMessage());
}
System.out.println("Type y to add a new one, n to end");
choice = scan.nextLine();
}
System.out.println("Playlist created!");
printAvailableCommands();
choice = scan.nextLine();
break;
case '-':
//delete a playlist
System.out.println("Delete an existing playlist. Available playlists:");
Iterator<PlayList> itp = theHub.playlists();
while (itp.hasNext()) {
PlayList p = itp.next();
System.out.println(p.getTitle());
}
String plTitle = scan.nextLine();
try {
theHub.deletePlayList(plTitle);
} catch (NoPlayListFoundException ex) {
System.out.println(ex.getMessage());
}
System.out.println("Playlist deleted!");
printAvailableCommands();
choice = scan.nextLine();
break;
case 's':
//save elements, albums, playlists
theHub.saveElements();
theHub.saveAlbums();
theHub.savePlayLists();
System.out.println("Elements, albums and playlists saved!");
printAvailableCommands();
choice = scan.nextLine();
break;
default:
break;
}
}
scan.close();
}
private static void printAvailableCommands() {
System.out.println("t: display the album titles, ordered by date");
System.out.println("g: display songs of an album, ordered by genre");
System.out.println("d: display songs of an album");
System.out.println("u: display audiobooks ordered by author");
System.out.println("c: add a new song");
System.out.println("a: add a new album");
System.out.println("+: add a song to an album");
System.out.println("l: add a new audiobook");
System.out.println("p: create a new playlist from existing songs and audio books");
System.out.println("-: delete an existing playlist");
System.out.println("s: save elements, albums, playlists");
System.out.println("q: quit program");
}
}
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