// <copyright file="MediaOptions.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>

namespace MediaBrowser.Model.Dlna;
   using global::System;
   using MediaBrowser.Model.Dto;

   /// <summary>
   /// Class MediaOptions.
   /// </summary>
   public class MediaOptions
   {
       /// <summary>
       /// Initializes a new instance of the <see cref="MediaOptions"/> class.
       /// </summary>
       public MediaOptions()
       {
           Context = EncodingContext.Streaming;

           EnableDirectPlay = true;
           EnableDirectStream = true;
       }

       /// <summary>
       /// Gets or sets a value indicating whether direct playback is allowed.
       /// </summary>
       public bool EnableDirectPlay { get; set; }

       /// <summary>
       /// Gets or sets a value indicating whether direct streaming is allowed.
       /// </summary>
       public bool EnableDirectStream { get; set; }

       /// <summary>
       /// Gets or sets a value indicating whether direct playback is forced.
       /// </summary>
       public bool ForceDirectPlay { get; set; }

       /// <summary>
       /// Gets or sets a value indicating whether direct streaming is forced.
       /// </summary>
       public bool ForceDirectStream { get; set; }

       /// <summary>
       /// Gets or sets a value indicating whether audio stream copy is allowed.
       /// </summary>
       public bool AllowAudioStreamCopy { get; set; }

       /// <summary>
       /// Gets or sets a value indicating whether video stream copy is allowed.
       /// </summary>
       public bool AllowVideoStreamCopy { get; set; }

       /// <summary>
       /// Gets or sets a value indicating whether always burn in subtitles when transcoding.
       /// </summary>
       public bool AlwaysBurnInSubtitleWhenTranscoding { get; set; }

       /// <summary>
       /// Gets or sets the item id.
       /// </summary>
       public Guid ItemId { get; set; }

       /// <summary>
       /// Gets or sets the media sources.
       /// </summary>
       public MediaSourceInfo[] MediaSources { get; set; } = Array.Empty<MediaSourceInfo>();

       /// <summary>
       /// Gets or sets the device profile.
       /// </summary>
       public required DeviceProfile Profile { get; set; }

       /// <summary>
       /// Gets or sets a media source id. Optional. Only needed if a specific AudioStreamIndex or SubtitleStreamIndex are requested.
       /// </summary>
       public string? MediaSourceId { get; set; }

       /// <summary>
       /// Gets or sets the device id.
       /// </summary>
       public string? DeviceId { get; set; }

       /// <summary>
       /// Gets or sets an override of supported number of audio channels
       /// Example: DeviceProfile supports five channel, but user only has stereo speakers.
       /// </summary>
       public int? MaxAudioChannels { get; set; }

       /// <summary>
       /// Gets or sets the application's configured maximum bitrate.
       /// </summary>
       public int? MaxBitrate { get; set; }

       /// <summary>
       /// Gets or sets the context.
       /// </summary>
       /// <value>The context.</value>
       public EncodingContext Context { get; set; }

       /// <summary>
       /// Gets or sets the audio transcoding bitrate.
       /// </summary>
       /// <value>The audio transcoding bitrate.</value>
       public int? AudioTranscodingBitrate { get; set; }

       /// <summary>
       /// Gets or sets an override for the audio stream index.
       /// </summary>
       public int? AudioStreamIndex { get; set; }

       /// <summary>
       /// Gets or sets an override for the subtitle stream index.
       /// </summary>
       public int? SubtitleStreamIndex { get; set; }

       /// <summary>
       /// Gets the maximum bitrate.
       /// </summary>
       /// <param name="isAudio">Whether or not this is audio.</param>
       /// <returns>System.Nullable&lt;System.Int32&gt;.</returns>
       public int? GetMaxBitrate(bool isAudio)
       {
           if (MaxBitrate.HasValue)
           {
               return MaxBitrate;
           }

           if (Profile is null)
           {
               return null;
           }

           if (Context == EncodingContext.Static)
           {
               if (isAudio && Profile.MaxStaticMusicBitrate.HasValue)
               {
                   return Profile.MaxStaticMusicBitrate;
               }

               return Profile.MaxStaticBitrate;
           }

           return Profile.MaxStreamingBitrate;
       }
   }
