/// <summary>
/// Defines the methods an audio player class should implement.
/// </summary>
public interface IPlayer: IDisposable
{
    /// <summary>
    /// Gets or sets a value indicating whether the audio player is playing.
    /// </summary>
    EPlayerStatus PlayerStatus { get; set; }

    /// <summary>
    /// Gets or sets the last file opened by the player.
    /// </summary>
    string LastFileOpened { get; set; }

    /// <summary>
    /// Method to play audio.
    /// </summary>
    /// <param name="stream">The audio stream.</param>
    void Play(Stream stream);

    /// <summary>
    /// Method to play or pause depending on state.
    /// </summary>
    void PlayPause();

    /// <summary>
    /// Method to stop audio playback.
    /// </summary>
    void Stop();

    /// <summary>
    /// Method to increase audio playback volume.
    /// </summary>
    void IncreaseVolume();

    /// <summary>
    /// Method to decrease audio playback volume.
    /// </summary>
    void DecreaseVolume();

    /// <summary>
    /// Returns the current playtime of the audioFileReader instance.
    /// </summary>
    /// <returns>The current time played as TimeSpan.</returns>
    float CurrentTime();

    /// <summary>
    /// Returns the total track length in timespan format.
    /// </summary>
    /// <returns>The length of the track in timespan format.</returns>
    float TrackLength();

    /// <summary>
    /// Skip ahead in the audio file 5s.
    /// </summary>
    public void SeekForward();

    /// <summary>
    /// Skip back in the audio file 5s.
    /// </summary>
    public void SeekBackwards();
}