using System;
using ErsatzTV.Core.Domain;

namespace ErsatzTV.Core.Extensions
{
    public static class MediaItemExtensions
    {
        public static MediaVersion GetHeadVersion(this MediaItem mediaItem) =>
            mediaItem switch
            {
                Movie m => m.MediaVersions.Head(),
                Episode e => e.MediaVersions.Head(),
                MusicVideo mv => mv.MediaVersions.Head(),
                OtherVideo ov => ov.MediaVersions.Head(),
                Song s => s.MediaVersions.Head(),
                _ => throw new ArgumentOutOfRangeException(nameof(mediaItem))
            };
    }
}