// --------------------------------------------------------------------------------------------------------------------
// <copyright file="AudioTrack.cs" company="HandBrake Project (http://handbrake.fr)">
//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
//   An object represending an AudioTrack associated with a Title, in a DVD
// </summary>
// --------------------------------------------------------------------------------------------------------------------

namespace HandBrake.Interop.SourceData
{
	/// <summary>
	/// An object represending an AudioTrack associated with a Title, in a DVD
	/// </summary>
	public class AudioTrack
	{
		/// <summary>
		/// Gets or sets the track number of this Audio Track
		/// </summary>
		public int TrackNumber { get; set; }

		/// <summary>
		/// Gets or sets the audio codec of this Track.
		/// </summary>
		public AudioCodec Codec { get; set; }

		/// <summary>
		/// Gets or sets the audio codec ID for this track.
		/// </summary>
		public uint CodecId { get; set; }

		/// <summary>
		/// Gets or sets the language (if detected) of this Audio Track
		/// </summary>
		public string Language { get; set; }

		/// <summary>
		/// Gets or sets the language code for this audio track.
		/// </summary>
		public string LanguageCode { get; set; }

		/// <summary>
		/// Gets or sets the description for this audio track.
		/// </summary>
		public string Description { get; set; }

		/// <summary>
		/// Gets or sets the channel layout of this Audio Track.
		/// </summary>
		public ulong ChannelLayout { get; set; }

		/// <summary>
		/// Gets or sets the frequency (in Hz) of this Audio Track
		/// </summary>
		public int SampleRate { get; set; }

		/// <summary>
		/// Gets or sets the bitrate (in bits/sec) of this Audio Track.
		/// </summary>
		public int Bitrate { get; set; }

		/// <summary>
		/// Gets the display string for this audio track.
		/// </summary>
		public string Display
		{
			get
			{
				return this.GetDisplayString(true);
			}
		}

		/// <summary>
		/// Gets the display string for this audio track (not including track number)
		/// </summary>
		public string NoTrackDisplay
		{
			get
			{
				return this.GetDisplayString(false);
			}
		}

		/// <summary>
		/// Override of the ToString method to make this object easier to use in the UI
		/// </summary>
		/// <returns>A string formatted as: {track #} {language} ({format}) ({sub-format})</returns>
		public override string ToString()
		{
			return this.GetDisplayString(true);
		}

	    /// <summary>
	    /// The get display string.
	    /// </summary>
	    /// <param name="includeTrackNumber">
	    /// The include track number.
	    /// </param>
	    /// <returns>
	    /// The <see cref="string"/>.
	    /// </returns>
	    private string GetDisplayString(bool includeTrackNumber)
	    {
	        if (includeTrackNumber)
			{
				return this.TrackNumber + " " + this.Description;
			}
	        
            return this.Description;
	    }
	}
}