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/* -*-javascript*-*
 * Rename folder from Metadata (Rename mask)
 */

function ifnotempty(value, sep) {
    return value.length > 0 ? value + sep : '';
}

function ifnotempty2(value1, value2, sep) {
    return value1.length > 0 ? value1 + sep : value2.length > 0 ? value2 + sep : '';
}

ifnotempty2(albumartist, artist, folderseparator) + ifnotempty2(albumartist, artist, ' - ') +
    ifnotempty(year, ' - ') + ifnotempty(album, folderseparator) +
    (disctotal > 1 ? album + ' (Disc ' + discno + ')' + folderseparator : '');