using FaceRecognitionDotNet;
using Microsoft.Extensions.Configuration;
using Phares.Shared;
using ShellProgressBar;
using System.Drawing.Imaging;
using System.Text.Json;
using View_by_Distance.Instance.Models;
using View_by_Distance.Metadata.Models;
using View_by_Distance.Property.Models;
using View_by_Distance.Resize.Models;
using View_by_Distance.Shared.Models.Methods;

namespace View_by_Distance.Instance;

public class DlibDotNet
{

    private readonly D_Face _Faces;
    private readonly G_Index _Index;
    private readonly C_Resize _Resize;
    private readonly F_Random _Random;
    private readonly A2_People _People;
    private readonly E3_Rename _Rename;
    private readonly B_Metadata _Metadata;
    private readonly E_Distance _Distance;
    private readonly Serilog.ILogger? _Log;
    private readonly AppSettings _AppSettings;
    private readonly List<string> _Exceptions;
    private readonly IsEnvironment _IsEnvironment;
    private readonly D2_FaceLandmarks _FaceLandmarks;
    private readonly Models.Configuration _Configuration;
    private readonly bool _ArgZeroIsConfigurationRootDirectory;
    private readonly List<KeyValuePair<string, string>> _FileKeyValuePairs;
    private readonly Dictionary<string, List<Tuple<string, A_Property>>> _FilePropertiesKeyValuePairs;

    public DlibDotNet(List<string> args, IsEnvironment isEnvironment, IConfigurationRoot configurationRoot, AppSettings appSettings, string workingDirectory, bool isSilent, IConsole console)
    {
        string argZero;
        _AppSettings = appSettings;
        if (appSettings.MaxDegreeOfParallelism is null)
            throw new Exception($"{nameof(appSettings.MaxDegreeOfParallelism)} is null!");
        _IsEnvironment = isEnvironment;
        _Exceptions = new List<string>();
        _Log = Serilog.Log.ForContext<DlibDotNet>();
        _FileKeyValuePairs = new List<KeyValuePair<string, string>>();
        _FilePropertiesKeyValuePairs = new Dictionary<string, List<Tuple<string, A_Property>>>();
        Property.Models.Configuration propertyConfiguration = Property.Models.Stateless.Configuration.Get(isEnvironment, configurationRoot, workingDirectory);
        Property.Models.Configuration.Verify(propertyConfiguration);
        Models.Configuration configuration = Models.Stateless.Configuration.Get(isEnvironment, configurationRoot, workingDirectory, propertyConfiguration);
        Verify(configuration);
        (Model model, PredictorModel predictorModel) = GetTuple(args, propertyConfiguration, configuration);
        if (configuration.SearchForAbandonedFilesFull is null)
            throw new Exception($"{nameof(configuration.SearchForAbandonedFilesFull)} is null!");
        _Configuration = configuration;
        _Index = new G_Index(configuration);
        _Random = new F_Random(configuration);
        _People = new A2_People(configuration);
        _Rename = new E3_Rename(configuration);
        _Distance = new E_Distance(configuration);
        _FaceLandmarks = new D2_FaceLandmarks(configuration);
        if (configuration.ForceMetadataLastWriteTimeToCreationTime is null)
            throw new Exception($"{nameof(configuration.ForceMetadataLastWriteTimeToCreationTime)} is null!");
        if (configuration.ForceResizeLastWriteTimeToCreationTime is null)
            throw new Exception($"{nameof(configuration.ForceResizeLastWriteTimeToCreationTime)} is null!");
        if (configuration.IgnoreExtensions is null)
            throw new Exception($"{nameof(configuration.IgnoreExtensions)} is null!");
        if (configuration.OutputQuality is null)
            throw new Exception($"{nameof(configuration.OutputQuality)} is null!");
        if (configuration.OverrideForResizeImages is null)
            throw new Exception($"{nameof(configuration.OverrideForResizeImages)} is null!");
        if (configuration.PropertiesChangedForMetadata is null)
            throw new Exception($"{nameof(configuration.PropertiesChangedForMetadata)} is null!");
        if (configuration.PropertiesChangedForResize is null)
            throw new Exception($"{nameof(configuration.PropertiesChangedForResize)} is null!");
        _Metadata = new(configuration.ForceMetadataLastWriteTimeToCreationTime.Value, configuration.PropertiesChangedForMetadata.Value);
        if (args.Count > 0)
            argZero = Path.GetFullPath(args[0]);
        else
            argZero = Path.GetFullPath(propertyConfiguration.RootDirectory);
        _ArgZeroIsConfigurationRootDirectory = propertyConfiguration.RootDirectory == argZero;
        (ImageCodecInfo imageCodecInfo, EncoderParameters encoderParameters) = C_Resize.GetTuple(configuration.OutputExtension, configuration.OutputQuality.Value);
        _Resize = new C_Resize(configuration.ForceResizeLastWriteTimeToCreationTime.Value, configuration.OverrideForResizeImages.Value, configuration.PropertiesChangedForResize.Value, configuration.ValidResolutions, imageCodecInfo, encoderParameters);
        ModelParameter modelParameter = new()
        {
            CnnFaceDetectorModel = File.ReadAllBytes(Path.Combine(configuration.ModelDirectory, "mmod_human_face_detector.dat")),
            FaceRecognitionModel = File.ReadAllBytes(Path.Combine(configuration.ModelDirectory, "dlib_face_recognition_resnet_model_v1.dat")),
            PosePredictor5FaceLandmarksModel = File.ReadAllBytes(Path.Combine(configuration.ModelDirectory, "shape_predictor_5_face_landmarks.dat")),
            PosePredictor68FaceLandmarksModel = File.ReadAllBytes(Path.Combine(configuration.ModelDirectory, "shape_predictor_68_face_landmarks.dat"))
        };
        _Faces = new D_Face(configuration, argZero, model, modelParameter, predictorModel);
        if (configuration.SkipSearch is null)
            throw new Exception($"{nameof(configuration.SkipSearch)} is null!");
        if (_ArgZeroIsConfigurationRootDirectory)
            _ = _People.GetPeople(propertyConfiguration);
        if (!isSilent && configuration.TestDistanceResults.HasValue && configuration.TestDistanceResults.Value)
        {
            E2_Navigate e2Navigate = new(console, configuration, argZero);
            e2Navigate.Navigate(propertyConfiguration, configuration.OutputResolutions[0]);
        }
        if (_ArgZeroIsConfigurationRootDirectory)
        {
            long ticks = DateTime.Now.Ticks;
            string[] directories = Property.Models.Stateless.A_Property.GetDirectoryRenameCollection(propertyConfiguration, configuration.OutputResolutions[0], nameof(B_Metadata), nameof(C_Resize));
            foreach (string directory in directories)
            {
                if (!Directory.Exists(directory))
                    continue;
                Property.Models.Stateless.A_Property.SearchForAbandonedFilesFull(argZero, directory, onlyJson: false);
            }
            if (appSettings.MaxDegreeOfParallelism.Value < 2)
                ticks = LogDelta(ticks, nameof(Property.Models.Stateless.A_Property.SearchForAbandonedFilesFull));
        }
        if (!configuration.SkipSearch.Value)
            Search(argZero);
        if (_Exceptions.Count == 0 && _ArgZeroIsConfigurationRootDirectory)
        {
            long ticks = DateTime.Now.Ticks;
            if (configuration.SearchForAbandonedFilesFull.Value)
            {
                string[] directories = _Rename.GetDirectoryRenameCollection(propertyConfiguration, relativePath: string.Empty, newDirectoryName: string.Empty, jsonFiles4InfoAny: false);
                foreach (string directory in directories)
                {
                    if (!Directory.Exists(directory))
                        continue;
                    Property.Models.Stateless.A_Property.SearchForAbandonedFilesFull(argZero, directory, onlyJson: true);
                }
                if (appSettings.MaxDegreeOfParallelism.Value < 2)
                    ticks = LogDelta(ticks, nameof(Property.Models.Stateless.A_Property.SearchForAbandonedFilesFull));
            }
            List<string[]> directoryCollections = _Rename.GetDirectoryRenameCollections(propertyConfiguration, relativePath: string.Empty, newDirectoryName: string.Empty, jsonFiles4InfoAny: false);
            foreach (string[] directoryCollection in directoryCollections)
            {
                _Log.Information(string.Concat("Cleaning <", directoryCollection[0], ">"));
                _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(directoryCollection[0]);
            }
            string d2FaceLandmarksRootDirectory = Property.Models.Stateless.IResult.GetResultsDateGroupDirectory(propertyConfiguration, nameof(D2_FaceLandmarks));
            _Log.Information(string.Concat("Cleaning <", d2FaceLandmarksRootDirectory, ">"));
            _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(d2FaceLandmarksRootDirectory);
            if (appSettings.MaxDegreeOfParallelism.Value < 2)
                ticks = LogDelta(ticks, nameof(Property.Models.Stateless.IPath.DeleteEmptyDirectories));
        }
        string message = $"There were {_Exceptions.Count} exception(s) thrown! {Environment.NewLine}{string.Join(Environment.NewLine, _Exceptions)}";
        _Log.Information(message);
        if (_Exceptions.Count != 0)
            throw new Exception(message);
        if (configuration.LoadOrCreateThenSaveDirectoryDistanceResults is null)
            throw new Exception($"{nameof(configuration.LoadOrCreateThenSaveDirectoryDistanceResults)} is null!");
        if (configuration.LoadOrCreateThenSaveDirectoryDistanceResults.Value)
        {
            long ticks = DateTime.Now.Ticks;
            foreach (string outputResolution in configuration.OutputResolutions)
                _Distance.LoadOrCreateThenSaveDirectoryDistanceResults(propertyConfiguration, outputResolution);
            if (appSettings.MaxDegreeOfParallelism.Value < 2)
                ticks = LogDelta(ticks, nameof(E_Distance.LoadOrCreateThenSaveDirectoryDistanceResults));
        }
    }

    private long LogDelta(long ticks, string methodName)
    {
        long result;
        if (_Log is null)
            throw new Exception($"{nameof(_Log)} is null!");
        double delta = new TimeSpan(DateTime.Now.Ticks - ticks).TotalMilliseconds;
        _Log.Debug($"{methodName} took {Math.Floor(delta)} millisecond(s)");
        result = DateTime.Now.Ticks;
        return result;
    }

#pragma warning disable CA1416
#pragma warning restore CA1416

    private (Model Model, PredictorModel PredictorModel) GetTuple(List<string> args, Property.Models.Configuration propertyConfiguration, Models.Configuration configuration)
    {
        if (_Log is null)
            throw new Exception($"{nameof(_Log)} is null!");
        (Model Model, PredictorModel PredictorModel) result;
        Array array;
        Model? model = null;
        string[] sourceDirectoryNames;
        PredictorModel? predictorModel = null;
        if (!args.Any())
            sourceDirectoryNames = Array.Empty<string>();
        else
        {
            string argZero = Path.GetFullPath(args[0]);
            sourceDirectoryNames = argZero.Split(Path.DirectorySeparatorChar);
            if (!argZero.StartsWith(propertyConfiguration.RootDirectory))
                throw new Exception($"Source directory must be inside root directory! <{argZero}> <{propertyConfiguration.RootDirectory}>");
            if (_ArgZeroIsConfigurationRootDirectory && propertyConfiguration.RootDirectory != argZero)
            {
                if (!configuration.MixedYearRelativePaths.Contains(sourceDirectoryNames[0]))
                {
                    string[] segments = sourceDirectoryNames[0].Split(' ');
                    if (segments.Length < 2 || segments[^1].Length != 4 || (segments[^1][..2] != "19" && segments[^1][..2] != "20"))
                        throw new Exception("root subdirectory must have a year at the end or directory name needs to be added to the exclude list!");
                }
            }
        }
        _Log.Information(configuration.ModelDirectory);
        string[] resizeMatch = (from l in sourceDirectoryNames where configuration.ValidResolutions.Contains(l) select l).ToArray();
        if (resizeMatch.Any())
            throw new Exception("Input directory should be the source and not a resized directory!");
        array = Enum.GetValues(typeof(Model));
        foreach (Model check in array)
        {
            if (configuration.ModelName.Contains(check.ToString()))
            {
                model = check;
                break;
            }
        }
        if (model is null)
            throw new Exception("Destination directory must have Model name!");
        model = model.Value;
        array = Enum.GetValues(typeof(PredictorModel));
        foreach (PredictorModel check in array)
        {
            if (configuration.PredictorModelName.Contains(check.ToString()))
            {
                predictorModel = check;
                break;
            }
        }
        if (predictorModel is null)
            throw new Exception("Destination directory must have Predictor Model name!");
        predictorModel = predictorModel.Value;
        result = new(model.Value, predictorModel.Value);
        return result;
    }

    private void Verify(Models.Configuration configuration)
    {
        if (!configuration.OutputResolutions.Any() || string.IsNullOrEmpty(configuration.OutputResolutions[0]) || !configuration.ValidResolutions.Contains(configuration.OutputResolutions[0]))
            throw new Exception($"{nameof(configuration.OutputResolutions)} must be a valid outputResolution!");
        if ((from l in configuration.OutputResolutions where !configuration.ValidResolutions.Contains(l) select false).Any())
            throw new Exception($"One or more {nameof(configuration.OutputResolutions)} are not in the ValidResolutions list!");
        if ((from l in configuration.SaveFaceLandmarkForOutputResolutions where !configuration.ValidResolutions.Contains(l) select false).Any())
            throw new Exception($"One or more {nameof(configuration.SaveFaceLandmarkForOutputResolutions)} are not in the ValidResolutions list!");
        if (configuration.CheckJsonForDistanceResults is null)
            throw new Exception($"{nameof(configuration.CheckJsonForDistanceResults)} must be set!");
        if (configuration.CrossDirectoryMaxItemsInDistanceCollection is null)
            throw new Exception($"{nameof(configuration.CrossDirectoryMaxItemsInDistanceCollection)} must be set!");
        if (configuration.DistanceFactor is null)
            throw new Exception($"{nameof(configuration.DistanceFactor)} must be set!");
        if (configuration.ForceMetadataLastWriteTimeToCreationTime is null)
            throw new Exception($"{nameof(configuration.ForceMetadataLastWriteTimeToCreationTime)} must be set!");
        if (configuration.ForceResizeLastWriteTimeToCreationTime is null)
            throw new Exception($"{nameof(configuration.ForceResizeLastWriteTimeToCreationTime)} must be set!");
        if (configuration.IgnoreExtensions is null)
            throw new Exception($"{nameof(configuration.IgnoreExtensions)} must be set!");
        if (configuration.IgnoreRelativePaths is null)
            throw new Exception($"{nameof(configuration.IgnoreRelativePaths)} must be set!");
        if (configuration.LoadOrCreateThenSaveDirectoryDistanceResults is null)
            throw new Exception($"{nameof(configuration.LoadOrCreateThenSaveDirectoryDistanceResults)} must be set!");
        if (configuration.LoadOrCreateThenSaveDistanceResults is null)
            throw new Exception($"{nameof(configuration.LoadOrCreateThenSaveDistanceResults)} must be set!");
        if (configuration.LoadOrCreateThenSaveImageFacesResults is null)
            throw new Exception($"{nameof(configuration.LoadOrCreateThenSaveImageFacesResults)} must be set!");
        if (configuration.LoadOrCreateThenSaveIndex is null)
            throw new Exception($"{nameof(configuration.LoadOrCreateThenSaveIndex)} must be set!");
        if (configuration.LocationConfidenceFactor is null)
            throw new Exception($"{nameof(configuration.LocationConfidenceFactor)} must be set!");
        if (configuration.MappedMaxIndex is null)
            throw new Exception($"{nameof(configuration.MappedMaxIndex)} must be set!");
        if (configuration.MappedMaxIndex.HasValue && configuration.LoadOrCreateThenSaveIndex.Value && !_IsEnvironment.DebuggerWasAttachedDuringConstructor)
            throw new Exception($"{nameof(configuration.MappedMaxIndex)} only allowed when debugger is attached!");
        if (configuration.MaxItemsInDistanceCollection is null)
            throw new Exception($"{nameof(configuration.MaxItemsInDistanceCollection)} must be set!");
        if (configuration.MixedYearRelativePaths is null)
            throw new Exception($"{nameof(configuration.MixedYearRelativePaths)} must be set!");
        if (configuration.NumJitters is null)
            throw new Exception($"{nameof(configuration.NumJitters)} must be set!");
        if (configuration.OutputQuality is null)
            throw new Exception($"{nameof(configuration.OutputQuality)} must be set!");
        if (configuration.OutputResolutions is null)
            throw new Exception($"{nameof(configuration.OutputResolutions)} must be set!");
        if (configuration.OverrideForFaceImages is null)
            throw new Exception($"{nameof(configuration.OverrideForFaceImages)} must be set!");
        if (configuration.OverrideForFaceLandmarkImages is null)
            throw new Exception($"{nameof(configuration.OverrideForFaceLandmarkImages)} must be set!");
        if (configuration.OverrideForResizeImages is null)
            throw new Exception($"{nameof(configuration.OverrideForResizeImages)} must be set!");
        if (configuration.PaddingLoops is null)
            throw new Exception($"{nameof(configuration.PaddingLoops)} must be set!");
        if (configuration.PropertiesChangedForDistance is null)
            throw new Exception($"{nameof(configuration.PropertiesChangedForDistance)} must be set!");
        if (configuration.PropertiesChangedForFaces is null)
            throw new Exception($"{nameof(configuration.PropertiesChangedForFaces)} must be set!");
        if (configuration.PropertiesChangedForIndex is null)
            throw new Exception($"{nameof(configuration.PropertiesChangedForIndex)} must be set!");
        if (configuration.PropertiesChangedForMetadata is null)
            throw new Exception($"{nameof(configuration.PropertiesChangedForMetadata)} must be set!");
        if (configuration.PropertiesChangedForResize is null)
            throw new Exception($"{nameof(configuration.PropertiesChangedForResize)} must be set!");
        if (configuration.Reverse is null)
            throw new Exception($"{nameof(configuration.Reverse)} must be set!");
        if (configuration.SaveFaceLandmarkForOutputResolutions is null)
            throw new Exception($"{nameof(configuration.SaveFaceLandmarkForOutputResolutions)} must be set!");
        if (configuration.SaveFullYearOfRandomFiles is null)
            throw new Exception($"{nameof(configuration.SaveFullYearOfRandomFiles)} must be set!");
        if (configuration.SaveResizedSubfiles is null)
            throw new Exception($"{nameof(configuration.SaveResizedSubfiles)} must be set!");
        if (configuration.SearchForAbandonedFilesFull is null)
            throw new Exception($"{nameof(configuration.SearchForAbandonedFilesFull)} must be set!");
        if (configuration.SkipSearch is null)
            throw new Exception($"{nameof(configuration.SkipSearch)} must be set!");
        if (configuration.TestDistanceResults is null)
            throw new Exception($"{nameof(configuration.TestDistanceResults)} must be set!");
        if (configuration.ValidResolutions is null)
            throw new Exception($"{nameof(configuration.ValidResolutions)} must be set!");
        if (string.IsNullOrEmpty(configuration.ModelDirectory) || !Directory.Exists(configuration.ModelDirectory))
            throw new Exception($"{nameof(configuration.ModelDirectory)} must have a value and exits!");
        if (string.IsNullOrEmpty(configuration.ModelName))
            throw new Exception($"{nameof(configuration.ModelName)} must have a value!");
        if (string.IsNullOrEmpty(configuration.OutputExtension))
            throw new Exception($"{nameof(configuration.OutputExtension)} must have a value!");
        if (string.IsNullOrEmpty(configuration.PredictorModelName))
            throw new Exception($"{nameof(configuration.PredictorModelName)} must have a value!");
        if (configuration.DistanceFactor.Value + configuration.LocationConfidenceFactor.Value != 10)
            throw new Exception($"{nameof(configuration.DistanceFactor)} and {nameof(configuration.LocationConfidenceFactor)} must add up to 10!");
    }

    private int FullParallelWork(object @lock, long ticks, PropertyLogic propertyLogic, string outputResolution, List<Tuple<string, DateTime>> sourceDirectoryChanges, List<FileInfo?> propertyFileInfoCollection, List<A_Property> propertyCollection, List<List<KeyValuePair<string, string>>> metadataCollection, List<Dictionary<string, int[]>> resizeKeyValuePairs, List<List<D_Face>> faceCollections, int g, string sourceDirectory, int r, string[] filteredSourceDirectoryFiles, int count)
    {
        int result = 0;
        if (_Log is null)
            throw new Exception($"{nameof(_Log)} is null!");
        if (_AppSettings.MaxDegreeOfParallelism is null)
            throw new Exception($"{nameof(AppSettings.MaxDegreeOfParallelism)} is null!");
        ParallelOptions parallelOptions = new() { MaxDegreeOfParallelism = _AppSettings.MaxDegreeOfParallelism.Value };
        ProgressBarOptions options = new() { ProgressCharacter = '─', ProgressBarOnBottom = true, DisableBottomPercentage = true };
        if (faceCollections.Count != filteredSourceDirectoryFiles.Length || metadataCollection.Count != filteredSourceDirectoryFiles.Length || resizeKeyValuePairs.Count != filteredSourceDirectoryFiles.Length || propertyCollection.Count != filteredSourceDirectoryFiles.Length)
        {
            for (int i = 0; i < filteredSourceDirectoryFiles.Length; i++)
            {
                faceCollections.Add(new());
                metadataCollection.Add(new());
                resizeKeyValuePairs.Add(new());
                propertyCollection.Add(new());
                propertyFileInfoCollection.Add(null);
            }
        }
        int totalSeconds = (int)Math.Floor(new TimeSpan(DateTime.Now.Ticks - ticks).TotalSeconds);
        using (ProgressBar progressBar = new(filteredSourceDirectoryFiles.Length, $"{g}) {r + 1:000} / {count:000} - {outputResolution} - {sourceDirectory} - {filteredSourceDirectoryFiles.Length} file(s) - {totalSeconds} total second(s)", options))
        {
            _ = Parallel.For(0, filteredSourceDirectoryFiles.Length, parallelOptions, i =>
               {
                   try
                   {
                       FullParallelForWork(propertyLogic, @lock, outputResolution, sourceDirectoryChanges, propertyFileInfoCollection, propertyCollection, metadataCollection, resizeKeyValuePairs, faceCollections, sourceDirectory, index: i, filteredSourceDirectoryFiles[i]);
                       if (sourceDirectoryChanges.Any())
                           progressBar.Tick();
                   }
                   catch (Exception ex)
                   {
                       result += 1;
                       _Log.Error(string.Concat(sourceDirectory, Environment.NewLine, ex.Message, Environment.NewLine, ex.StackTrace), ex);
                       if (result == filteredSourceDirectoryFiles.Length)
                           throw new Exception(string.Concat("All in [", sourceDirectory, "]failed!"));
                   }
               });
        }
        return result;
    }

    private void FullParallelForWork(PropertyLogic propertyLogic, object @lock, string outputResolution, List<Tuple<string, DateTime>> sourceDirectoryChanges, List<FileInfo?> propertyFileInfoCollection, List<A_Property> propertyCollection, List<List<KeyValuePair<string, string>>> metadataCollections, List<Dictionary<string, int[]>> resizeKeyValuePairs, List<List<D_Face>> imageFaceCollections, string sourceDirectory, int index, string filteredSourceDirectoryFile)
    {
        if (_AppSettings.MaxDegreeOfParallelism is null)
            throw new Exception($"{nameof(_AppSettings.MaxDegreeOfParallelism)} is null!");
        if (_Configuration.SaveResizedSubfiles is null)
            throw new Exception($"{nameof(_Configuration.SaveResizedSubfiles)} is null!");
        if (_Configuration?.PropertyConfiguration is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration)} must be set!");
        if (_Configuration.PropertyConfiguration.WriteBitmapDataBytes is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.WriteBitmapDataBytes)} is null!");
        List<D_Face> faceCollection;
        string original = "Original";
        long ticks = DateTime.Now.Ticks;
        DateTime dateTime = DateTime.Now;
        List<string> parseExceptions = new();
        Dictionary<string, int[]> imageResizeKeyValuePairs;
        List<Tuple<string, DateTime>> subFileTuples = new();
        List<KeyValuePair<string, string>> metadataCollection;
        string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(filteredSourceDirectoryFile);
        string relativePath = Property.Models.Stateless.IPath.GetRelativePath(filteredSourceDirectoryFile, _Configuration.PropertyConfiguration.RootDirectory.Length);
        FileInfo propertyFileInfo = new(Path.Combine(propertyLogic.AngleBracketCollection[0].Replace("<>", "{}"), string.Concat(fileNameWithoutExtension, ".json")));
        A_Property property = propertyLogic.GetProperty(propertyLogic.AngleBracketCollection[0], sourceDirectory, filteredSourceDirectoryFile, subFileTuples, parseExceptions, propertyFileInfo);
        if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
            ticks = LogDelta(ticks, nameof(PropertyLogic.GetProperty));
        (int metadataGroups, metadataCollection) = _Metadata.GetMetadataCollection(subFileTuples, parseExceptions, filteredSourceDirectoryFile, relativePath, fileNameWithoutExtension);
        if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
            ticks = LogDelta(ticks, nameof(B_Metadata.GetMetadataCollection));
        FileInfo resizedFileInfo = new(Path.Combine(_Resize.AngleBracketCollection[0].Replace("<>", "()"), Path.GetFileName(filteredSourceDirectoryFile)));
        imageResizeKeyValuePairs = _Resize.GetResizeKeyValuePairs(subFileTuples, parseExceptions, original, metadataCollection, property, filteredSourceDirectoryFile, relativePath, fileNameWithoutExtension);
        if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
            ticks = LogDelta(ticks, nameof(C_Resize.GetResizeKeyValuePairs));
        if (_Configuration.SaveResizedSubfiles.Value)
        {
            _Resize.SaveResizedSubfile(outputResolution, subFileTuples, filteredSourceDirectoryFile, original, property, imageResizeKeyValuePairs, resizedFileInfo);
            if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
                ticks = LogDelta(ticks, nameof(C_Resize.SaveResizedSubfile));
            resizedFileInfo.Refresh();
        }
        else if (outputResolution == _Configuration.OutputResolutions[0] && false)
        {
            byte[] bytes = _Resize.GetResizedBytes(outputResolution, subFileTuples, filteredSourceDirectoryFile, property, imageResizeKeyValuePairs);
            if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
                ticks = LogDelta(ticks, nameof(C_Resize.GetResizedBytes));
            string path = Path.Combine(resizedFileInfo.DirectoryName, Path.GetFileNameWithoutExtension(resizedFileInfo.Name));
            File.WriteAllBytes(path, bytes);
        }
        if (_Configuration.LoadOrCreateThenSaveImageFacesResults is null || !_Configuration.LoadOrCreateThenSaveImageFacesResults.Value)
            faceCollection = new();
        else
        {
            int[] outputResolutionCollection = imageResizeKeyValuePairs[outputResolution];
            int outputResolutionWidth = outputResolutionCollection[0];
            int outputResolutionHeight = outputResolutionCollection[1];
            int outputResolutionOrientation = outputResolutionCollection[2];
            faceCollection = _Faces.GetFaces(_Configuration.PropertyConfiguration, outputResolution, subFileTuples, parseExceptions, relativePath, fileNameWithoutExtension, property, resizedFileInfo, outputResolutionWidth, outputResolutionHeight, outputResolutionOrientation);
            if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
                ticks = LogDelta(ticks, nameof(D_Face.GetFaces));
            _Faces.SaveFaces(_Configuration.PropertyConfiguration, subFileTuples, parseExceptions, relativePath, fileNameWithoutExtension, resizedFileInfo, faceCollection);
            if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
                ticks = LogDelta(ticks, nameof(D_Face.SaveFaces));
            if (_Configuration.SaveFaceLandmarkForOutputResolutions.Contains(outputResolution))
            {
                _FaceLandmarks.SaveFaceLandmarkImages(subFileTuples, parseExceptions, relativePath, fileNameWithoutExtension, resizedFileInfo, faceCollection);
                if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
                    ticks = LogDelta(ticks, nameof(D2_FaceLandmarks.SaveFaceLandmarkImages));
            }
        }
        lock (@lock)
        {
            propertyCollection[index] = property;
            imageFaceCollections[index] = faceCollection;
            metadataCollections[index] = metadataCollection;
            propertyFileInfoCollection[index] = propertyFileInfo;
            resizeKeyValuePairs[index] = imageResizeKeyValuePairs;
            sourceDirectoryChanges.AddRange(from l in subFileTuples where l.Item2 > dateTime select l);
        }
    }

    private static void WriteTab(string checkDirectory, List<(string Id, string Line)> metadataIdLines, string fileName)
    {
        string text;
        FileInfo fileInfo;
        List<string> duplicates = new();
        List<string> metadataIds = new();
        fileInfo = new(Path.Combine(checkDirectory, "[()]", Path.ChangeExtension(fileName, "tsv")));
        if (fileInfo?.Directory is null)
            throw new Exception();
        if (!fileInfo.Directory.Exists)
            fileInfo.Directory.Create();
        foreach ((string Id, string Line) metadataIdLine in metadataIdLines)
        {
            if (metadataIds.Contains(metadataIdLine.Id))
                duplicates.Add(metadataIdLine.Id);
            else
                metadataIds.Add(metadataIdLine.Id);
        }
        for (int i = metadataIdLines.Count - 1; i > -1; i--)
        {
            if (duplicates.Contains(metadataIdLines[i].Id))
                metadataIdLines.RemoveAt(i);
        }
        if (metadataIdLines.Any())
        {
            text = string.Join(Environment.NewLine, from l in metadataIdLines orderby l.Id select l.Line);
            _ = Property.Models.Stateless.IPath.WriteAllText(fileInfo.FullName, text, compareBeforeWrite: true);
        }
        else
        {
            if (fileInfo.Exists)
                File.Delete(fileInfo.FullName);
        }
    }

    private void WriteGroup(PropertyLogic propertyLogic, List<A_Property> propertyCollection, List<List<KeyValuePair<string, string>>> metadataCollection, List<List<D_Face>> faceCollections, List<Dictionary<string, int[]>> resizeKeyValuePairs, string sourceDirectory, string[] filteredSourceDirectoryFiles)
    {
        if (_Configuration.PropertiesChangedForMetadata is null)
            throw new Exception($"{nameof(_Configuration.PropertiesChangedForMetadata)} is null!");
        if (_Configuration?.PropertyConfiguration is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration)} must be set!");
        if (_Configuration.PropertyConfiguration.PropertiesChangedForProperty is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.PropertiesChangedForProperty)} is null!");
        if (_Configuration.PropertiesChangedForResize is null)
            throw new Exception($"{nameof(_Configuration.PropertiesChangedForResize)} is null!");
        if (_Configuration.PropertiesChangedForFaces is null)
            throw new Exception($"{nameof(_Configuration.PropertiesChangedForFaces)} is null!");
        string key;
        string json;
        string checkFile;
        int sourceDirectoryLength = sourceDirectory.Length;
        int rootDirectoryLength = _Configuration.PropertyConfiguration.RootDirectory.Length;
        JsonSerializerOptions writeIndentedJsonSerializerOptions = new() { WriteIndented = false };
        if (!(from l in propertyCollection where l?.Width is null select true).Any())
        {
            string checkDirectory;
            List<KeyValuePair<string, List<D_Face>>> faceCollectionsKeyValuePairs = new();
            List<KeyValuePair<string, A_Property>> propertyCollectionKeyValuePairs = new();
            List<KeyValuePair<string, Dictionary<string, int[]>>> resizeKeyValuePairsCollections = new();
            List<KeyValuePair<string, List<KeyValuePair<string, string>>>> metadataCollectionKeyValuePairs = new();
            (int level, List<string> directories) = Property.Models.Stateless.IPath.Get(_Configuration.PropertyConfiguration.RootDirectory, sourceDirectory);
            string fileName = string.Concat(string.Join(_Configuration.PropertyConfiguration.FileNameDirectorySeparator, directories), ".json");
            for (int i = 0; i < filteredSourceDirectoryFiles.Length; i++)
            {
                key = Property.Models.Stateless.IPath.GetRelativePath(filteredSourceDirectoryFiles[i], sourceDirectoryLength);
                faceCollectionsKeyValuePairs.Add(new KeyValuePair<string, List<D_Face>>(key, faceCollections[i]));
                propertyCollectionKeyValuePairs.Add(new KeyValuePair<string, A_Property>(key, propertyCollection[i]));
                resizeKeyValuePairsCollections.Add(new KeyValuePair<string, Dictionary<string, int[]>>(key, resizeKeyValuePairs[i]));
                metadataCollectionKeyValuePairs.Add(new KeyValuePair<string, List<KeyValuePair<string, string>>>(key, metadataCollection[i]));
            }
            if (_Metadata.AngleBracketCollection.Any())
            {
                checkDirectory = Property.Models.Stateless.IPath.GetDirectory(_Metadata.AngleBracketCollection[0], level, "[{}]");
                checkFile = Path.Combine(checkDirectory, fileName);
                if (File.Exists(checkFile))
                    File.Move(checkFile, Path.Combine(checkDirectory, fileName));
                checkFile = Path.Combine(checkDirectory, fileName);
                json = JsonSerializer.Serialize(metadataCollectionKeyValuePairs, writeIndentedJsonSerializerOptions);
                _ = Property.Models.Stateless.IPath.WriteAllText(checkFile, json, compareBeforeWrite: true);
            }
            if (propertyLogic.AngleBracketCollection.Any())
            {
                checkDirectory = Property.Models.Stateless.IPath.GetDirectory(propertyLogic.AngleBracketCollection[0], level, "[{}]");
                checkFile = Path.Combine(checkDirectory, fileName);
                if (File.Exists(checkFile))
                    File.Move(checkFile, Path.Combine(checkDirectory, fileName));
                checkFile = Path.Combine(checkDirectory, fileName);
                json = JsonSerializer.Serialize(propertyCollectionKeyValuePairs, writeIndentedJsonSerializerOptions);
                _ = Property.Models.Stateless.IPath.WriteAllText(checkFile, json, compareBeforeWrite: true);
            }
            if (_Resize.AngleBracketCollection.Any())
            {
                checkDirectory = Property.Models.Stateless.IPath.GetDirectory(_Resize.AngleBracketCollection[0], level, "[{}]");
                checkFile = Path.Combine(checkDirectory, fileName);
                if (File.Exists(checkFile))
                    File.Move(checkFile, Path.Combine(checkDirectory, fileName));
                checkFile = Path.Combine(checkDirectory, fileName);
                json = JsonSerializer.Serialize(resizeKeyValuePairsCollections, writeIndentedJsonSerializerOptions);
                _ = Property.Models.Stateless.IPath.WriteAllText(checkFile, json, compareBeforeWrite: true);
            }
            if (_Configuration.LoadOrCreateThenSaveImageFacesResults.HasValue && _Configuration.LoadOrCreateThenSaveImageFacesResults.Value && _Faces.AngleBracketCollection.Any())
            {
                checkDirectory = Property.Models.Stateless.IPath.GetDirectory(_Faces.AngleBracketCollection[0], level, "[{}]");
                checkFile = Path.Combine(checkDirectory, fileName);
                if (File.Exists(checkFile))
                    File.Move(checkFile, Path.Combine(checkDirectory, fileName));
                checkFile = Path.Combine(checkDirectory, fileName);
                json = JsonSerializer.Serialize(faceCollectionsKeyValuePairs, writeIndentedJsonSerializerOptions);
                _ = Property.Models.Stateless.IPath.WriteAllText(checkFile, json, compareBeforeWrite: true);
            }
        }
    }

    private void FullDoWork(List<string> topDirectories, List<(int g, string sourceDirectory, string[] sourceDirectoryFiles, int r)> groupCollection)
    {
        if (_Log is null)
            throw new Exception($"{nameof(_Log)} is null!");
        if (_AppSettings.MaxDegreeOfParallelism is null)
            throw new Exception($"{nameof(_AppSettings.MaxDegreeOfParallelism)} is null!");
        if (_Configuration?.PropertyConfiguration is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration)} must be set!");
        if (_Configuration.PropertyConfiguration.ForcePropertyLastWriteTimeToCreationTime is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.ForcePropertyLastWriteTimeToCreationTime)} is null!");
        if (_Configuration.LoadOrCreateThenSaveImageFacesResults is null)
            throw new Exception($"{nameof(_Configuration.LoadOrCreateThenSaveImageFacesResults)} is null!");
        if (_Configuration.LoadOrCreateThenSaveDirectoryDistanceResults is null)
            throw new Exception($"{nameof(_Configuration.LoadOrCreateThenSaveDirectoryDistanceResults)} is null!");
        if (_Configuration.LoadOrCreateThenSaveDistanceResults is null)
            throw new Exception($"{nameof(_Configuration.LoadOrCreateThenSaveDistanceResults)} is null!");
        if (_Configuration.PropertyConfiguration.MaxImagesInDirectoryForTopLevelFirstPass is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.MaxImagesInDirectoryForTopLevelFirstPass)} is null!");
        if (_Configuration.PropertyConfiguration.PopulatePropertyId is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.PopulatePropertyId)} is null!");
        if (_Configuration.PropertyConfiguration.PropertiesChangedForProperty is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.PropertiesChangedForProperty)} is null!");
        if (_Configuration.PropertyConfiguration.WriteBitmapDataBytes is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.WriteBitmapDataBytes)} is null!");
        int exceptionCount;
        object @lock = new();
        long ticks = DateTime.Now.Ticks;
        string[] filteredSourceDirectoryFiles;
        List<List<D_Face>> faceCollections = new();
        List<A_Property> propertyCollection = new();
        PropertyLogic propertyLogic = GetPropertyLogic();
        List<FileInfo?> propertyFileInfoCollection = new();
        List<Dictionary<string, int[]>> resizeKeyValuePairs = new();
        List<Tuple<string, DateTime>> sourceDirectoryChanges = new();
        string propertyRoot = Property.Models.Stateless.IResult.GetResultsGroupDirectory(_Configuration.PropertyConfiguration, nameof(A_Property));
        List<List<KeyValuePair<string, string>>> metadataCollection = new();
        foreach (string outputResolution in _Configuration.OutputResolutions)
        {
            _FileKeyValuePairs.Clear();
            _FilePropertiesKeyValuePairs.Clear();
            foreach ((int g, string sourceDirectory, string[] sourceDirectoryFiles, int r) in groupCollection)
            {
                if (!topDirectories.Any())
                    continue;
                _Faces.AngleBracketCollection.Clear();
                _Resize.AngleBracketCollection.Clear();
                _Metadata.AngleBracketCollection.Clear();
                propertyLogic.AngleBracketCollection.Clear();
                _FaceLandmarks.AngleBracketCollection.Clear();
                filteredSourceDirectoryFiles = (from l in sourceDirectoryFiles where !_Configuration.IgnoreExtensions.Contains(Path.GetExtension(l)) select l).ToArray();
                if (!filteredSourceDirectoryFiles.Any())
                    continue;
                propertyLogic.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(_Configuration.PropertyConfiguration,
                                                                                                                      sourceDirectory,
                                                                                                                      nameof(A_Property),
                                                                                                                      outputResolution,
                                                                                                                      includeResizeGroup: false,
                                                                                                                      includeModel: false,
                                                                                                                      includePredictorModel: false,
                                                                                                                      contentDescription: string.Empty,
                                                                                                                      singletonDescription: "Properties for each image",
                                                                                                                      collectionDescription: string.Empty));
                _Metadata.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(_Configuration.PropertyConfiguration,
                                                                                                                  sourceDirectory,
                                                                                                                  nameof(B_Metadata),
                                                                                                                  outputResolution,
                                                                                                                  includeResizeGroup: false,
                                                                                                                  includeModel: false,
                                                                                                                  includePredictorModel: false,
                                                                                                                  contentDescription: string.Empty,
                                                                                                                  singletonDescription: "Metadata as key value pairs",
                                                                                                                  collectionDescription: string.Empty));
                _Resize.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(_Configuration.PropertyConfiguration,
                                                                                                                sourceDirectory,
                                                                                                                nameof(C_Resize),
                                                                                                                outputResolution,
                                                                                                                includeResizeGroup: true,
                                                                                                                includeModel: false,
                                                                                                                includePredictorModel: false,
                                                                                                                contentDescription: "Resized image",
                                                                                                                singletonDescription: "Resize deminsions for each resolution",
                                                                                                                collectionDescription: string.Empty));
                if (_Configuration.LoadOrCreateThenSaveImageFacesResults.HasValue && _Configuration.LoadOrCreateThenSaveImageFacesResults.Value)
                    _Faces.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(_Configuration.PropertyConfiguration,
                                                                                                                   sourceDirectory,
                                                                                                                   nameof(D_Face),
                                                                                                                   outputResolution,
                                                                                                                   includeResizeGroup: true,
                                                                                                                   includeModel: true,
                                                                                                                   includePredictorModel: true,
                                                                                                                   contentDescription: "n png file(s) for each face found",
                                                                                                                   singletonDescription: string.Empty,
                                                                                                                   collectionDescription: "For each image a json file with all faces found"));
                if (_Configuration.SaveFaceLandmarkForOutputResolutions.Contains(outputResolution))
                    _FaceLandmarks.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(_Configuration.PropertyConfiguration,
                                                                                                                           sourceDirectory,
                                                                                                                           nameof(D2_FaceLandmarks),
                                                                                                                           outputResolution,
                                                                                                                           includeResizeGroup: true,
                                                                                                                           includeModel: true,
                                                                                                                           includePredictorModel: true,
                                                                                                                           contentDescription: "n x 2 png file(s) for each face found",
                                                                                                                           singletonDescription: string.Empty,
                                                                                                                           collectionDescription: string.Empty));
                exceptionCount = FullParallelWork(@lock, ticks, propertyLogic, outputResolution, sourceDirectoryChanges, propertyFileInfoCollection, propertyCollection, metadataCollection, resizeKeyValuePairs, faceCollections, g, sourceDirectory, r, filteredSourceDirectoryFiles, groupCollection.Count);
                if (metadataCollection.Count != filteredSourceDirectoryFiles.Length || propertyCollection.Count != filteredSourceDirectoryFiles.Length || resizeKeyValuePairs.Count != filteredSourceDirectoryFiles.Length || faceCollections.Count != filteredSourceDirectoryFiles.Length)
                    throw new Exception("Counts don't match!");
                if (exceptionCount != 0)
                    _Exceptions.Add(sourceDirectory);
                else
                {
                    string key;
                    int rootDirectoryLength = _Configuration.PropertyConfiguration.RootDirectory.Length;
                    _FilePropertiesKeyValuePairs.Add(sourceDirectory, new List<Tuple<string, A_Property>>());
                    for (int i = 0; i < filteredSourceDirectoryFiles.Length; i++)
                    {
                        key = Property.Models.Stateless.IPath.GetRelativePath(filteredSourceDirectoryFiles[i], rootDirectoryLength);
                        _FileKeyValuePairs.Add(new KeyValuePair<string, string>(sourceDirectory, key));
                        _FilePropertiesKeyValuePairs[sourceDirectory].Add(new Tuple<string, A_Property>(key, propertyCollection[i]));
                    }
                }
                if (exceptionCount == 0 && _ArgZeroIsConfigurationRootDirectory)
                    WriteGroup(propertyLogic, propertyCollection, metadataCollection, faceCollections, resizeKeyValuePairs, sourceDirectory, filteredSourceDirectoryFiles);
                if (exceptionCount == 0 && _Configuration.LoadOrCreateThenSaveDistanceResults.HasValue && _Configuration.LoadOrCreateThenSaveDistanceResults.Value)
                    _Distance.LoadOrCreateThenSaveDistanceResults(_Configuration.PropertyConfiguration, sourceDirectory, outputResolution, sourceDirectoryChanges, filteredSourceDirectoryFiles, faceCollections);
                if (_Resize.AngleBracketCollection.Any())
                    _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(_Resize.AngleBracketCollection[0].Replace("<>", "()"));
                if (_Faces.AngleBracketCollection.Any())
                    _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(_Faces.AngleBracketCollection[0].Replace("<>", "()"));
                if (_FaceLandmarks.AngleBracketCollection.Any())
                    _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(_FaceLandmarks.AngleBracketCollection[0].Replace("<>", "()"));
                if (Directory.GetFiles(propertyRoot, "*.txt", SearchOption.TopDirectoryOnly).Any())
                {
                    for (int y = 0; y < int.MaxValue; y++)
                    {
                        _Log.Information("Press \"Y\" key when ready to continue or close console");
                        if (Console.ReadKey().Key == ConsoleKey.Y)
                            break;
                    }
                    _Log.Information(". . .");
                }
            }
            if (_ArgZeroIsConfigurationRootDirectory && outputResolution == _Configuration.OutputResolutions[0])
            {
                int loadLessThan = 7;
                string aPropertySingletonDirectory = Property.Models.Stateless.IResult.GetResultsDateGroupDirectory(_Configuration.PropertyConfiguration, nameof(A_Property), "{}");
                PropertyCompare.Models.PropertyCompareLogic propertyCompareLogic = new(_AppSettings.MaxDegreeOfParallelism.Value, _Configuration.PropertyConfiguration);
                PropertyCompare.Models.PropertyCompare[] propertyCompares = propertyCompareLogic.Get(aPropertySingletonDirectory, loadLessThan);
                {
                    string[] lines = (from l in propertyCompares select l.GetSelect()).ToArray();
                    string aPropertyCollectionDirectory = Property.Models.Stateless.IResult.GetResultsDateGroupDirectory(_Configuration.PropertyConfiguration, nameof(A_Property), "[{}]");
                    File.WriteAllLines(Path.Join(aPropertyCollectionDirectory, $". . . Ids - {ticks}.txt"), lines);
                    string json = JsonSerializer.Serialize(propertyCompares, new JsonSerializerOptions { WriteIndented = true });
                    File.WriteAllText(Path.Join(aPropertyCollectionDirectory, $". . . Ids - {ticks}.nosj"), json);
                }
                if (!_Configuration.LoadOrCreateThenSaveImageFacesResults.Value && !_Configuration.LoadOrCreateThenSaveDirectoryDistanceResults.Value && !_Configuration.LoadOrCreateThenSaveDistanceResults.Value)
                    break;
                if (_Exceptions.Count == 0)
                {
                    if (_FileKeyValuePairs.Any())
                        _Random.Random(_Configuration.PropertyConfiguration, _Configuration.OutputResolutions[0], _FileKeyValuePairs);
                    if (_IsEnvironment.Development)
                        continue;
                    G2_Identify identify = new(_Configuration);
                    List<G2_Identify> identifiedCollection = identify.GetIdentifiedCollection(_Configuration.PropertyConfiguration, _IsEnvironment, _People);
                    _People.WriteAllText(_Configuration.PropertyConfiguration, _Configuration.OutputResolutions[0], identifiedCollection);
                    identify.WriteAllText(_Configuration.PropertyConfiguration, _Configuration.OutputResolutions[0], identifiedCollection);
                    if (_Configuration.LoadOrCreateThenSaveIndex.HasValue && _Configuration.LoadOrCreateThenSaveIndex.Value && _FilePropertiesKeyValuePairs.Any())
                        _Index.SetIndex(_Configuration.PropertyConfiguration, _Configuration.OutputResolutions[0], _FilePropertiesKeyValuePairs);
                }
            }
        }
    }

    private PropertyLogic GetPropertyLogic()
    {
        PropertyLogic result;


        string[] verifyToSeason = Array.Empty<string>();


        if (_AppSettings.MaxDegreeOfParallelism is null)
            throw new Exception($"{nameof(_AppSettings.MaxDegreeOfParallelism)} is null!");
        if (_Configuration?.PropertyConfiguration is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration)} must be set!");
        result = new(_AppSettings.MaxDegreeOfParallelism.Value, _Configuration.PropertyConfiguration, verifyToSeason);
        return result;
    }

    private void Search(string argZero)
    {
        if (_Log is null)
            throw new Exception($"{nameof(_Log)} is null!");
        if (_AppSettings.MaxDegreeOfParallelism is null)
            throw new Exception($"{nameof(_AppSettings.MaxDegreeOfParallelism)} is null!");
        if (_Configuration?.PropertyConfiguration is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration)} must be set!");
        if (_Configuration.PropertyConfiguration.ForcePropertyLastWriteTimeToCreationTime is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.ForcePropertyLastWriteTimeToCreationTime)} is null!");
        if (_Configuration.PropertyConfiguration.IgnoreExtensions is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.IgnoreExtensions)} is null!");
        if (_Configuration.PropertyConfiguration.MaxImagesInDirectoryForTopLevelFirstPass is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.MaxImagesInDirectoryForTopLevelFirstPass)} is null!");
        if (_Configuration.PropertyConfiguration.PopulatePropertyId is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.PopulatePropertyId)} is null!");
        if (_Configuration.PropertyConfiguration.PropertiesChangedForProperty is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.PropertiesChangedForProperty)} is null!");
        if (_Configuration.Reverse is null)
            throw new Exception($"{nameof(_Configuration.Reverse)} is null!");
        if (_Configuration.PropertyConfiguration.WriteBitmapDataBytes is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration.WriteBitmapDataBytes)} is null!");
        string searchPattern = "*";
        long ticks = DateTime.Now.Ticks;
        List<string> topDirectories = new();
        PropertyLogic propertyLogic = GetPropertyLogic();
        List<(int g, string sourceDirectory, string[] sourceDirectoryFiles, int r)> groupCollection = Property.Models.Stateless.A_Property.GetGroupCollection(argZero, searchPattern, topDirectories, _Configuration.PropertyConfiguration.MaxImagesInDirectoryForTopLevelFirstPass.Value, _Configuration.Reverse.Value);
        if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
            ticks = LogDelta(ticks, nameof(Property.Models.Stateless.A_Property.GetGroupCollection));
        _Exceptions.AddRange(propertyLogic.DoWork(_Configuration.PropertyConfiguration, topDirectories, groupCollection, firstPass: true));
        string message = $"There were {_Exceptions.Count} exception(s) thrown! {Environment.NewLine}{string.Join(Environment.NewLine, _Exceptions)}";
        _Log.Information(message);
        if (_Exceptions.Count != 0)
            throw new Exception(message);
        if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
            ticks = LogDelta(ticks, nameof(Property.Models.Stateless.A_Property.GetGroupCollection));
        groupCollection = Property.Models.Stateless.A_Property.GetGroupCollection(argZero, searchPattern, topDirectories, _Configuration.PropertyConfiguration.MaxImagesInDirectoryForTopLevelFirstPass.Value, _Configuration.Reverse.Value);
        if (_AppSettings.MaxDegreeOfParallelism.Value < 2)
            ticks = LogDelta(ticks, nameof(Property.Models.Stateless.A_Property.GetGroupCollection));
        FullDoWork(topDirectories, groupCollection);
    }

    internal void RenameQueue()
    {
        if (_Configuration?.PropertyConfiguration is null)
            throw new Exception($"{nameof(_Configuration.PropertyConfiguration)} must be set!");
        _Rename.RenameQueue(_Configuration.PropertyConfiguration);
    }

}