package ch.hevs.isc.slopify_v2

import scala.collection.mutable.ArrayBuffer

class Album(val name: String) extends Serializable {
  private var _songs: ArrayBuffer[Song] = new ArrayBuffer()
  def addSong(song: Song): Unit = _songs.addOne(song)
  def containsSong(song: Song): Boolean = _songs.exists(s => s.number == song.number && s.title == song.title)
  def getSongs(): Array[Song] = _songs.toArray

  def getSongByTitle(title: String): Option[Song] = {
    for (song: Song <- _songs) {
      if (song.title == title) {
        return Some(song)
      }
    }
    return None
  }

  override def toString: String = s"<Album '$name': ${_songs.length} song(s)>"
}