namespace EmbyToolbox.Models;

/// <summary>Сводка количеств операций в плане (источник — <see cref="ConversionTaskOverride"/> + профиль).</summary>
public readonly record struct ConversionPlanActionStats(
    int Add,
    int Remove,
    int ConvertAudio,
    int ConvertVideo,
    int SubtitleRemove,
    int SubtitleConvert,
    int SubtitleKeep)
{
    public static ConversionPlanActionStats FromOverrides(ConversionTaskOverride? ovr)
    {
        if (ovr is null)
        {
            return default;
        }

        var add = 0;
        var remove = 0;
        var cAudio = 0;
        var cVideo = 0;
        var sRem = 0;
        var sConv = 0;
        var sKeep = 0;
        foreach (var t in ovr.TrackOverrides)
        {
            if (t.Source == SourceKind.External)
            {
                if (t.Action == TrackActionKind.Add)
                {
                    add++;
                }
            }
            else
            {
                if (t.Action == TrackActionKind.Remove)
                {
                    remove++;
                }

                if (t.Action == TrackActionKind.Convert)
                {
                    if (t.StreamKind == MediaStreamKind.Audio)
                    {
                        cAudio++;
                    }

                    if (t.StreamKind == MediaStreamKind.Video)
                    {
                        cVideo++;
                    }

                    if (t.StreamKind == MediaStreamKind.Subtitle)
                    {
                        sConv++;
                    }
                }

                if (t.StreamKind == MediaStreamKind.Subtitle)
                {
                    if (t.Action == TrackActionKind.Remove)
                    {
                        sRem++;
                    }
                    else if (t.Action == TrackActionKind.Keep)
                    {
                        sKeep++;
                    }
                }
            }
        }

        return new ConversionPlanActionStats(add, remove, cAudio, cVideo, sRem, sConv, sKeep);
    }
}