using Microsoft.Extensions.Configuration;
using Phares.Shared;
using ShellProgressBar;
using System.Drawing.Imaging;
using System.Text.Json;
using View_by_Distance.FaceRecognitionDotNet;
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;
using View_by_Distance.Shared.Models.Methods;
using View_by_Distance.Shared.Models.Stateless;

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;
        Person[] people;
        _AppSettings = appSettings;
        _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);
        _Log.Information(propertyConfiguration.RootDirectory);
        Property.Models.Configuration.Verify(propertyConfiguration);
        Models.Configuration configuration = Models.Binder.Configuration.Get(isEnvironment, configurationRoot, propertyConfiguration);
        Verify(configuration);
        VerifyExtra(args, propertyConfiguration, configuration);
        _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.IgnoreExtensions is null)
            throw new NullReferenceException(nameof(configuration.IgnoreExtensions));
        _Metadata = new(configuration.ForceMetadataLastWriteTimeToCreationTime, configuration.PropertiesChangedForMetadata);
        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);
        _Resize = new C_Resize(configuration.ForceResizeLastWriteTimeToCreationTime, configuration.OverrideForResizeImages, configuration.PropertiesChangedForResize, configuration.ValidResolutions, imageCodecInfo, encoderParameters);
        _Log.Information(configuration.ModelDirectory);
        (Model model, PredictorModel predictorModel, ModelParameter modelParameter) = GetModel(configuration);
        _Faces = new D_Face(configuration, argZero, model, modelParameter, predictorModel);
        if (!_ArgZeroIsConfigurationRootDirectory)
            people = Array.Empty<Person>();
        else
            people = _People.GetPeople(propertyConfiguration);
        if (!isSilent && configuration.TestDistanceResults)
        {
            E2_Navigate e2Navigate = new(console, configuration, argZero);
            e2Navigate.Navigate(propertyConfiguration, model, predictorModel, configuration.OutputResolutions[0]);
            _Log.Information(propertyConfiguration.RootDirectory);
        }
        if (!configuration.SkipSearch)
            Search(propertyConfiguration, configuration.Reverse, model, predictorModel, argZero, people, isSilent);
        if (_Exceptions.Count == 0 && _ArgZeroIsConfigurationRootDirectory)
        {
            long ticks = DateTime.Now.Ticks;
            List<string[]> directoryCollections = _Rename.GetDirectoryRenameCollections(propertyConfiguration, model, predictorModel, 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 < 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.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions.Any())
        {
            long ticks = DateTime.Now.Ticks;
            foreach (string outputResolution in configuration.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions)
                _Distance.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions(propertyConfiguration, model, predictorModel, outputResolution);
            if (appSettings.MaxDegreeOfParallelism < 2)
                ticks = LogDelta(ticks, nameof(E_Distance.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions));
        }
    }

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

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

#pragma warning disable CA1416
#pragma warning restore CA1416

    private static (Model model, PredictorModel predictorModel, ModelParameter modelParameter) GetModel(Models.Configuration configuration)
    {
        (Model, PredictorModel, ModelParameter) result;
        Array array;
        Model? model = null;
        PredictorModel? predictorModel = null;
        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;
        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"))
        };
        result = new(model.Value, predictorModel.Value, modelParameter);
        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 NullReferenceException($"{nameof(configuration.OutputResolutions)} must be a valid outputResolution!");
        if ((from l in configuration.OutputResolutions where !configuration.ValidResolutions.Contains(l) select false).Any())
            throw new Exception($"One or more {nameof(configuration.OutputResolutions)} are not in the ValidResolutions list!");
        if ((from l in configuration.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions where !configuration.ValidResolutions.Contains(l) select false).Any())
            throw new Exception($"One or more {nameof(configuration.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions)} are not in the ValidResolutions list!");
        if ((from l in configuration.LoadOrCreateThenSaveDistanceResultsForOutputResolutions where !configuration.ValidResolutions.Contains(l) select false).Any())
            throw new Exception($"One or more {nameof(configuration.LoadOrCreateThenSaveDistanceResultsForOutputResolutions)} are not in the ValidResolutions list!");
        if ((from l in configuration.LoadOrCreateThenSaveImageFacesResultsForOutputResolutions where !configuration.ValidResolutions.Contains(l) select false).Any())
            throw new Exception($"One or more {nameof(configuration.LoadOrCreateThenSaveImageFacesResultsForOutputResolutions)} are not in the ValidResolutions list!");
        if ((from l in configuration.SaveShortcutsForOutputResolutions where !configuration.ValidResolutions.Contains(l) select false).Any())
            throw new Exception($"One or more {nameof(configuration.SaveShortcutsForOutputResolutions)} 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.DistanceFactor + configuration.LocationConfidenceFactor != 10)
            throw new NullReferenceException(nameof(configuration.DistanceFactor));
        if (string.IsNullOrEmpty(configuration.ModelName))
            throw new NullReferenceException(nameof(configuration.ModelName));
        if (string.IsNullOrEmpty(configuration.OutputExtension))
            throw new NullReferenceException(nameof(configuration.OutputExtension));
        if (string.IsNullOrEmpty(configuration.PredictorModelName))
            throw new NullReferenceException(nameof(configuration.PredictorModelName));
        if (string.IsNullOrEmpty(configuration.ModelDirectory) || !Directory.Exists(configuration.ModelDirectory))
            throw new NullReferenceException(nameof(configuration.ModelDirectory));
        if (configuration.MappedMaxIndex.HasValue && configuration.LoadOrCreateThenSaveIndex && !_IsEnvironment.DebuggerWasAttachedDuringConstructor)
            throw new NullReferenceException(nameof(configuration.MappedMaxIndex));
    }

    private void VerifyExtra(List<string> args, Property.Models.Configuration propertyConfiguration, Models.Configuration configuration)
    {
        string[] sourceDirectoryNames;
        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!");
                }
            }
        }
        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!");
    }

    private void FullParallelForWork(PropertyLogic propertyLogic, string outputResolution, string bResultsFullGroupDirectory, string cResultsFullGroupDirectory, string dResultsFullGroupDirectory, string d2ResultsFullGroupDirectory, List<Tuple<string, DateTime>> sourceDirectoryChanges, List<FileHolder?> propertyFileHolderCollection, List<A_Property> propertyCollection, List<List<KeyValuePair<string, string>>> metadataCollections, List<Dictionary<string, int[]>> resizeKeyValuePairs, List<List<D_Face>> imageFaceCollections, string sourceDirectory, int index, Item item)
    {
        if (item.ImageFileHolder is null)
            throw new NullReferenceException(nameof(item.ImageFileHolder));
        if (_Configuration?.PropertyConfiguration is null)
            throw new NullReferenceException(nameof(_Configuration.PropertyConfiguration));
        if (_Configuration.PropertyConfiguration.WriteBitmapDataBytes is null)
            throw new NullReferenceException(nameof(_Configuration.PropertyConfiguration.WriteBitmapDataBytes));
        A_Property property;
        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;
        if (item.Property is not null)
        {
            property = item.Property;
            if ((item.Changed.HasValue && item.Changed.Value) || (item.Moved.HasValue && item.Moved.Value) || (item.Abandoned.HasValue && item.Abandoned.Value))
                throw new NotImplementedException();
        }
        else
        {
            property = propertyLogic.GetProperty(item, subFileTuples, parseExceptions);
            item.Update(property);
            if (subFileTuples.Any())
            {
                lock (sourceDirectoryChanges)
                    sourceDirectoryChanges.Add(new Tuple<string, DateTime>(nameof(A_Property), (from l in subFileTuples select l.Item2).Max()));
            }
        }
        (int metadataGroups, metadataCollection) = _Metadata.GetMetadataCollection(bResultsFullGroupDirectory, subFileTuples, parseExceptions, item);
        if (_AppSettings.MaxDegreeOfParallelism < 2)
            ticks = LogDelta(ticks, nameof(B_Metadata.GetMetadataCollection));
        FileHolder resizedFileHolder = new(Path.Combine(_Resize.AngleBracketCollection[0].Replace("<>", "()"), Path.GetFileName(item.ImageFileHolder.FullName)));
        item.SetResizedFileHolder(resizedFileHolder);
        imageResizeKeyValuePairs = _Resize.GetResizeKeyValuePairs(cResultsFullGroupDirectory, subFileTuples, parseExceptions, original, metadataCollection, item);
        if (_AppSettings.MaxDegreeOfParallelism < 2)
            ticks = LogDelta(ticks, nameof(C_Resize.GetResizeKeyValuePairs));
        if (_Configuration.SaveResizedSubfiles)
        {
            _Resize.SaveResizedSubfile(outputResolution, cResultsFullGroupDirectory, subFileTuples, item, original, imageResizeKeyValuePairs);
            if (_AppSettings.MaxDegreeOfParallelism < 2)
                ticks = LogDelta(ticks, nameof(C_Resize.SaveResizedSubfile));
            item.SetResizedFileHolder(FileHolder.Refresh(resizedFileHolder));
        }
        else if (outputResolution == _Configuration.OutputResolutions[0] && false)
        {
            byte[] bytes = _Resize.GetResizedBytes(outputResolution, cResultsFullGroupDirectory, subFileTuples, item, property, imageResizeKeyValuePairs);
            if (_AppSettings.MaxDegreeOfParallelism < 2)
                ticks = LogDelta(ticks, nameof(C_Resize.GetResizedBytes));
            string path = Path.Combine(resizedFileHolder.DirectoryName, resizedFileHolder.NameWithoutExtension);
            File.WriteAllBytes(path, bytes);
        }
        if (!_Configuration.LoadOrCreateThenSaveImageFacesResultsForOutputResolutions.Contains(outputResolution))
            faceCollection = new();
        else
        {
            int[] outputResolutionCollection = imageResizeKeyValuePairs[outputResolution];
            int outputResolutionWidth = outputResolutionCollection[0];
            int outputResolutionHeight = outputResolutionCollection[1];
            int outputResolutionOrientation = outputResolutionCollection[2];
            faceCollection = _Faces.GetFaces(dResultsFullGroupDirectory, subFileTuples, parseExceptions, item, property, resizedFileHolder, outputResolutionWidth, outputResolutionHeight, outputResolutionOrientation);
            if (_AppSettings.MaxDegreeOfParallelism < 2)
                ticks = LogDelta(ticks, nameof(D_Face.GetFaces));
            _Faces.SaveFaces(dResultsFullGroupDirectory, subFileTuples, parseExceptions, item, faceCollection);
            if (_AppSettings.MaxDegreeOfParallelism < 2)
                ticks = LogDelta(ticks, nameof(D_Face.SaveFaces));
            if (_Configuration.SaveFaceLandmarkForOutputResolutions.Contains(outputResolution))
            {
                _FaceLandmarks.SaveFaceLandmarkImages(d2ResultsFullGroupDirectory, sourceDirectory, subFileTuples, parseExceptions, item, faceCollection);
                if (_AppSettings.MaxDegreeOfParallelism < 2)
                    ticks = LogDelta(ticks, nameof(D2_FaceLandmarks.SaveFaceLandmarkImages));
            }
        }
        lock (sourceDirectoryChanges)
        {
            propertyCollection[index] = property;
            imageFaceCollections[index] = faceCollection;
            metadataCollections[index] = metadataCollection;
            resizeKeyValuePairs[index] = imageResizeKeyValuePairs;
            propertyFileHolderCollection[index] = item.ImageFileHolder;
            sourceDirectoryChanges.AddRange(from l in subFileTuples where l.Item2 > dateTime select l);
        }
    }

    private int FullParallelWork(long ticks, PropertyLogic propertyLogic, string outputResolution, string bResultsFullGroupDirectory, string cResultsFullGroupDirectory, string dResultsFullGroupDirectory, string d2ResultsFullGroupDirectory, List<Tuple<string, DateTime>> sourceDirectoryChanges, List<FileHolder?> propertyFileHolderCollection, List<A_Property> propertyCollection, List<List<KeyValuePair<string, string>>> metadataCollection, List<Dictionary<string, int[]>> resizeKeyValuePairs, List<List<D_Face>> faceCollections, int containersCount, Container container, Item[] filteredItems)
    {
        int result = 0;
        if (_Log is null)
            throw new NullReferenceException(nameof(_Log));
        ParallelOptions parallelOptions = new() { MaxDegreeOfParallelism = _AppSettings.MaxDegreeOfParallelism };
        ProgressBarOptions options = new() { ProgressCharacter = '─', ProgressBarOnBottom = true, DisableBottomPercentage = true };
        if (faceCollections.Count != filteredItems.Length || metadataCollection.Count != filteredItems.Length || resizeKeyValuePairs.Count != filteredItems.Length || propertyCollection.Count != filteredItems.Length)
        {
            for (int i = 0; i < filteredItems.Length; i++)
            {
                faceCollections.Add(new());
                metadataCollection.Add(new());
                resizeKeyValuePairs.Add(new());
                propertyCollection.Add(new());
                propertyFileHolderCollection.Add(null);
            }
        }
        int totalSeconds = (int)Math.Floor(new TimeSpan(DateTime.Now.Ticks - ticks).TotalSeconds);
        string message = $"{container.R:000}.{container.G} / {containersCount:000}) {filteredItems.Length:000} file(s) - {totalSeconds} total second(s) - {outputResolution} - {container.SourceDirectory}";
        using (ProgressBar progressBar = new(filteredItems.Length, message, options))
        {
            _ = Parallel.For(0, filteredItems.Length, parallelOptions, i =>
               {
                   try
                   {
                       FullParallelForWork(propertyLogic, outputResolution, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory, d2ResultsFullGroupDirectory, sourceDirectoryChanges, propertyFileHolderCollection, propertyCollection, metadataCollection, resizeKeyValuePairs, faceCollections, container.SourceDirectory, index: i, filteredItems[i]);
                       if (i == 0 || sourceDirectoryChanges.Any())
                           progressBar.Tick();
                   }
                   catch (Exception ex)
                   {
                       result += 1;
                       _Log.Error(string.Concat(container.SourceDirectory, Environment.NewLine, ex.Message, Environment.NewLine, ex.StackTrace), ex);
                       if (result == filteredItems.Length)
                           throw new Exception(string.Concat("All in [", container.SourceDirectory, "] failed!"));
                   }
               });
        }
        return result;
    }

    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, updateDateWhenMatches: true, compareBeforeWrite: true);
        }
        else
        {
            if (fileInfo.Exists)
                File.Delete(fileInfo.FullName);
        }
    }

    private void WriteGroup(Property.Models.Configuration configuration, 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 outputResolution, Item[] filteredItems)
    {
        if (configuration.PropertiesChangedForProperty is null)
            throw new NullReferenceException(nameof(configuration.PropertiesChangedForProperty));
        Item item;
        string key;
        string json;
        string checkFile;
        int sourceDirectoryLength = sourceDirectory.Length;
        _FilePropertiesKeyValuePairs.Add(sourceDirectory, new List<Tuple<string, A_Property>>());
        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.RootDirectory, sourceDirectory);
            string fileName = string.Concat(string.Join(configuration.FileNameDirectorySeparator, directories), ".json");
            for (int i = 0; i < filteredItems.Length; i++)
            {
                item = filteredItems[i];
                if (item.Property is null)
                    continue;
                if (item.ImageFileHolder is null)
                    continue;
                key = Property.Models.Stateless.IPath.GetRelativePath(item.ImageFileHolder.FullName, sourceDirectoryLength);
                _FileKeyValuePairs.Add(new KeyValuePair<string, string>(sourceDirectory, key));
                _FilePropertiesKeyValuePairs[sourceDirectory].Add(new Tuple<string, A_Property>(key, propertyCollection[i]));
                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 (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, updateDateWhenMatches: false, compareBeforeWrite: true);
            }
            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, updateDateWhenMatches: false, 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, updateDateWhenMatches: false, compareBeforeWrite: true);
            }
            if (_Configuration.LoadOrCreateThenSaveImageFacesResultsForOutputResolutions.Contains(outputResolution) && _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, updateDateWhenMatches: false, compareBeforeWrite: true);
            }
        }
    }

    private (string, string, string, string, string, string, string) GetResultsFullGroupDirectories(Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, string outputResolution)
    {
        string aResultsFullGroupDirectory = Property.Models.Stateless.IResult.GetResultsFullGroupDirectory(
            configuration, model, predictorModel, nameof(A_Property), outputResolution, includeResizeGroup: false, includeModel: false, includePredictorModel: false);
        string bResultsFullGroupDirectory = Property.Models.Stateless.IResult.GetResultsFullGroupDirectory(
            configuration, model, predictorModel, nameof(B_Metadata), outputResolution, includeResizeGroup: false, includeModel: false, includePredictorModel: false);
        string cResultsFullGroupDirectory = Property.Models.Stateless.IResult.GetResultsFullGroupDirectory(
            configuration, model, predictorModel, nameof(C_Resize), outputResolution, includeResizeGroup: true, includeModel: false, includePredictorModel: false);
        string dResultsFullGroupDirectory = Property.Models.Stateless.IResult.GetResultsFullGroupDirectory(
            configuration, model, predictorModel, nameof(D_Face), outputResolution, includeResizeGroup: true, includeModel: true, includePredictorModel: true);
        string d2ResultsFullGroupDirectory = Property.Models.Stateless.IResult.GetResultsFullGroupDirectory(
            configuration, model, predictorModel, nameof(D2_FaceLandmarks), outputResolution, includeResizeGroup: true, includeModel: true, includePredictorModel: true);
        string eResultsFullGroupDirectory = Property.Models.Stateless.IResult.GetResultsFullGroupDirectory(
            configuration, model, predictorModel, nameof(E_Distance), outputResolution, includeResizeGroup: true, includeModel: true, includePredictorModel: true);
        string zResultsFullGroupDirectory = Property.Models.Stateless.IResult.GetResultsFullGroupDirectory(
            configuration, model, predictorModel, $"Z_{nameof(Item)}", outputResolution, includeResizeGroup: true, includeModel: true, includePredictorModel: true);
        return new(aResultsFullGroupDirectory, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory, d2ResultsFullGroupDirectory, eResultsFullGroupDirectory, zResultsFullGroupDirectory);
    }

    private void SetAngleBracketCollections(Property.Models.Configuration configuration, PropertyLogic propertyLogic, string outputResolution, Container container, string aResultsFullGroupDirectory, string bResultsFullGroupDirectory, string cResultsFullGroupDirectory, string dResultsFullGroupDirectory)
    {
        _Faces.AngleBracketCollection.Clear();
        _Resize.AngleBracketCollection.Clear();
        _Metadata.AngleBracketCollection.Clear();
        propertyLogic.AngleBracketCollection.Clear();
        propertyLogic.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(configuration,
            container.SourceDirectory,
            aResultsFullGroupDirectory,
            contentDescription: string.Empty,
            singletonDescription: "Properties for each image",
            collectionDescription: string.Empty,
            converted: false));
        _Metadata.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(configuration,
            container.SourceDirectory,
            bResultsFullGroupDirectory,
            contentDescription: string.Empty,
            singletonDescription: "Metadata as key value pairs",
            collectionDescription: string.Empty,
            converted: true));
        _Resize.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(configuration,
            container.SourceDirectory,
            cResultsFullGroupDirectory,
            contentDescription: "Resized image",
            singletonDescription: "Resize dimensions for each resolution",
            collectionDescription: string.Empty,
            converted: true));
        if (_Configuration.LoadOrCreateThenSaveImageFacesResultsForOutputResolutions.Contains(outputResolution))
            _Faces.AngleBracketCollection.AddRange(Property.Models.Stateless.IResult.GetDirectoryInfoCollection(configuration,
                container.SourceDirectory,
                dResultsFullGroupDirectory,
                contentDescription: "n png file(s) for each face found",
                singletonDescription: string.Empty,
                collectionDescription: "For each image a json file with all faces found",
                converted: true));
    }

    private void FullDoWork(bool isSilent, string argZero, Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, long ticks, Dictionary<string, List<Person>> peopleCollection, PropertyLogic propertyLogic, List<Container> containers)
    {
        if (_Log is null)
            throw new NullReferenceException(nameof(_Log));
        int[] ids;
        int distinctCount;
        int exceptionCount;
        Item[] filteredItems;
        string aResultsFullGroupDirectory;
        string bResultsFullGroupDirectory;
        string cResultsFullGroupDirectory;
        string dResultsFullGroupDirectory;
        string eResultsFullGroupDirectory;
        string zResultsFullGroupDirectory;
        string d2ResultsFullGroupDirectory;
        List<List<D_Face>> faceCollections = new();
        List<A_Property> propertyCollection = new();
        List<FileHolder?> propertyFileHolderCollection = new();
        List<Dictionary<string, int[]>> resizeKeyValuePairs = new();
        List<Tuple<string, DateTime>> sourceDirectoryChanges = new();
        List<List<KeyValuePair<string, string>>> metadataCollection = new();
        string aPropertySingletonDirectory = Property.Models.Stateless.IResult.GetResultsDateGroupDirectory(configuration, nameof(A_Property), "{}");
        string propertyRoot = Property.Models.Stateless.IResult.GetResultsGroupDirectory(configuration, nameof(A_Property));
        foreach (string outputResolution in _Configuration.OutputResolutions)
        {
            _FileKeyValuePairs.Clear();
            _FilePropertiesKeyValuePairs.Clear();
            (aResultsFullGroupDirectory, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory, d2ResultsFullGroupDirectory, eResultsFullGroupDirectory, zResultsFullGroupDirectory) = GetResultsFullGroupDirectories(configuration, model, predictorModel, outputResolution);
            foreach (Container container in containers)
            {
                if (!container.Items.Any())
                    continue;
                if (!_ArgZeroIsConfigurationRootDirectory && !container.SourceDirectory.StartsWith(argZero))
                    continue;
                filteredItems = (from l in container.Items where l.ImageFileHolder is not null && (l.Abandoned is null || !l.Abandoned.Value) && l.ValidImageFormatExtension && !_Configuration.IgnoreExtensions.Contains(l.ImageFileHolder.ExtensionLowered) select l).ToArray();
                if (!filteredItems.Any())
                    continue;
                faceCollections.Clear();
                metadataCollection.Clear();
                propertyCollection.Clear();
                resizeKeyValuePairs.Clear();
                sourceDirectoryChanges.Clear();
                propertyFileHolderCollection.Clear();
                SetAngleBracketCollections(configuration, propertyLogic, outputResolution, container, aResultsFullGroupDirectory, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory);
                exceptionCount = FullParallelWork(ticks, propertyLogic, outputResolution, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory, d2ResultsFullGroupDirectory, sourceDirectoryChanges, propertyFileHolderCollection, propertyCollection, metadataCollection, resizeKeyValuePairs, faceCollections, containers.Count, container, filteredItems);
#pragma warning disable
                ids = (from l in filteredItems where l.Property?.Id is not null select l.Property.Id.Value).ToArray();
#pragma warning restore
                distinctCount = ids.Distinct().Count();
                if (ids.Length != distinctCount)
                    _Log.Information($"{ids.Length} != {distinctCount} <{container.SourceDirectory}>");
                if (metadataCollection.Count != filteredItems.Length || propertyCollection.Count != filteredItems.Length || resizeKeyValuePairs.Count != filteredItems.Length || faceCollections.Count != filteredItems.Length)
                    throw new Exception("Counts don't match!");
                if (exceptionCount != 0)
                    _Exceptions.Add(container.SourceDirectory);
                for (int i = 0; i < faceCollections.Count; i++)
                    filteredItems[i].Faces.AddRange(from l in faceCollections[i] select l);
                if (_ArgZeroIsConfigurationRootDirectory && exceptionCount == 0)
                    WriteGroup(configuration, propertyLogic, propertyCollection, metadataCollection, faceCollections, resizeKeyValuePairs, container.SourceDirectory, outputResolution, filteredItems);
                if (_ArgZeroIsConfigurationRootDirectory && exceptionCount == 0 && outputResolution == _Configuration.OutputResolutions[0])
                    propertyLogic.AddToPropertyLogicAllCollection(filteredItems);
                if (exceptionCount == 0 && _Configuration.LoadOrCreateThenSaveDistanceResultsForOutputResolutions.Contains(outputResolution))
                    _Distance.LoadOrCreateThenSaveDistanceResults(configuration, eResultsFullGroupDirectory, container.SourceDirectory, outputResolution, sourceDirectoryChanges, filteredItems);
                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 (System.Console.ReadKey().Key == ConsoleKey.Y)
                            break;
                    }
                    _Log.Information(". . .");
                }
                if (isSilent && container.SourceDirectory.EndsWith("Bohdi Ray 2016")) // 7#.1
                    break;
                // if (isSilent && container.SourceDirectory.EndsWith("Halloween 2013")) // 12#.1
                //     break;
                // if (isSilent && container.SourceDirectory.EndsWith("zzz =2014.4 Winter Tracy Pictures")) // 30#.2
                //     break;
                // if (isSilent && container.SourceDirectory.EndsWith("=2009.0 Winter Logan Michael")) //34#.2
                //     break;
                // if (isSilent && container.SourceDirectory.EndsWith("Animal Kingdom")) //35#.3
                //     break;
                // if (isSilent && container.SourceDirectory.EndsWith("Texas 2015")) //46#.4
                //     break;
            }
        }
    }

    private PropertyLogic GetPropertyLogic(bool reverse, Model? model, PredictorModel? predictorModel)
    {
        PropertyLogic result;
        if (_Configuration?.PropertyConfiguration is null)
            throw new NullReferenceException(nameof(_Configuration.PropertyConfiguration));
        result = new(_AppSettings.MaxDegreeOfParallelism, _Configuration.PropertyConfiguration, reverse, model, predictorModel);
        return result;
    }

    private void Search(Property.Models.Configuration configuration, bool reverse, Model? model, PredictorModel? predictorModel, string argZero, Person[] people, bool isSilent)
    {
        if (_Log is null)
            throw new NullReferenceException(nameof(_Log));
        List<Container> containers;
        long ticks = DateTime.Now.Ticks;
        string aResultsFullGroupDirectory;
        string bResultsFullGroupDirectory;
        string cResultsFullGroupDirectory;
        string dResultsFullGroupDirectory;
        string eResultsFullGroupDirectory;
        string zResultsFullGroupDirectory;
        string d2ResultsFullGroupDirectory;
        Dictionary<string, List<Person>> peopleCollection = A2_People.Convert(people);
        PropertyLogic propertyLogic = GetPropertyLogic(reverse, model, predictorModel);
        if (string.IsNullOrEmpty(configuration.RootDirectory))
            containers = Property.Models.Stateless.A_Property.Get(configuration, propertyLogic);
        else
            containers = Property.Models.Stateless.Container.GetContainers(configuration, propertyLogic);
        FullDoWork(isSilent, argZero, configuration, model, predictorModel, ticks, peopleCollection, propertyLogic, containers);
        foreach (string outputResolution in _Configuration.OutputResolutions)
        {
            (aResultsFullGroupDirectory, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory, d2ResultsFullGroupDirectory, eResultsFullGroupDirectory, zResultsFullGroupDirectory) = GetResultsFullGroupDirectories(configuration, model, predictorModel, outputResolution);
            _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(Path.Combine(aResultsFullGroupDirectory, "{}"));
            _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(Path.Combine(bResultsFullGroupDirectory, "{}"));
            _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(Path.Combine(cResultsFullGroupDirectory, "{}"));
            if (_Configuration.LoadOrCreateThenSaveImageFacesResultsForOutputResolutions.Contains(outputResolution))
                _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(Path.Combine(dResultsFullGroupDirectory, "[]"));
            if (_Configuration.LoadOrCreateThenSaveDistanceResultsForOutputResolutions.Contains(outputResolution))
                _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(Path.Combine(eResultsFullGroupDirectory, "[]"));
            if (_Configuration.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions.Contains(outputResolution))
                _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(Path.Combine(eResultsFullGroupDirectory, "[]"));
            if (_Configuration.SaveFaceLandmarkForOutputResolutions.Contains(outputResolution))
                _ = Property.Models.Stateless.IPath.DeleteEmptyDirectories(Path.Combine(d2ResultsFullGroupDirectory, "[]"));
            if (_ArgZeroIsConfigurationRootDirectory && _Exceptions.Count == 0 && outputResolution == _Configuration.OutputResolutions[0] && (propertyLogic.NamedFaceInfoDeterministicHashCodeKeyValuePairs.Any() || propertyLogic.NamedDeterministicHashCodeKeyValuePairs.Any()))
            {
                if (!string.IsNullOrEmpty(propertyLogic.DeterministicHashCodeRootDirectory) && !propertyLogic.IncorrectDeterministicHashCodeKeyValuePairs.Any())
                    propertyLogic.UpdateKeyValuePairs(containers);
                foreach (Container container in containers)
                {
                    Item.AddToNamed(propertyLogic, container.Items);
                    if (_Configuration.SaveShortcutsForOutputResolutions.Contains(outputResolution))
                        D_Face.SaveShortcuts(_Configuration.JuliePhares, dResultsFullGroupDirectory, ticks, peopleCollection, propertyLogic, container.Items);
                }
                propertyLogic.SaveAllCollection();
                if (_Configuration.SaveResizedSubfiles)
                {
                    string dFacesContentDirectory;
                    string eDistanceContentDirectory;
                    string eDistanceCollectionDirectory;
                    string zPropertyHolderSingletonDirectory;
                    dFacesContentDirectory = Path.Combine(dResultsFullGroupDirectory, "()");
                    eDistanceContentDirectory = Path.Combine(eResultsFullGroupDirectory, $"({ticks})");
                    zPropertyHolderSingletonDirectory = Path.Combine(zResultsFullGroupDirectory, "{}");
                    eDistanceCollectionDirectory = Path.Combine(eResultsFullGroupDirectory, $"[{ticks}]");
                    List<(DateTime, bool?, PersonBirthday, FaceRecognitionDotNet.FaceEncoding[])> collection;
                    collection = E_Distance.ParallelWork(_AppSettings.MaxDegreeOfParallelism, argZero, propertyLogic, containers);
                    _ = LogDeltaInMinutes(ticks, nameof(E_Distance.ParallelWork));
                    E_Distance.SavePropertyHolders(argZero, containers, zPropertyHolderSingletonDirectory);
                    _ = LogDeltaInMinutes(ticks, nameof(E_Distance.SavePropertyHolders));
                    E_Distance.SaveThreeSigmaFaceEncodings(collection, peopleCollection, eDistanceCollectionDirectory);
                    _ = LogDeltaInMinutes(ticks, nameof(E_Distance.SaveThreeSigmaFaceEncodings));
                    E_Distance.SaveClosest(argZero, containers, peopleCollection, eDistanceContentDirectory, dFacesContentDirectory);
                    _ = LogDeltaInMinutes(ticks, nameof(E_Distance.SaveClosest));
                }
                if (!_Configuration.LoadOrCreateThenSaveImageFacesResultsForOutputResolutions.Any())
                    break;
                if (_FileKeyValuePairs.Any())
                    _Random.Random(configuration, _Configuration.OutputResolutions[0], _FileKeyValuePairs);
                if (_IsEnvironment.Development)
                    continue;
                G2_Identify identify = new(_Configuration);
                List<G2_Identify> identifiedCollection = identify.GetIdentifiedCollection(configuration, _IsEnvironment, _People);
                _People.WriteAllText(configuration, _Configuration.OutputResolutions[0], identifiedCollection);
                identify.WriteAllText(configuration, _Configuration.OutputResolutions[0], identifiedCollection);
                if (_Configuration.LoadOrCreateThenSaveIndex && _FilePropertiesKeyValuePairs.Any())
                    _Index.SetIndex(configuration, model, predictorModel, _Configuration.OutputResolutions[0], _FilePropertiesKeyValuePairs);
            }
        }
    }

    internal void RenameQueue(Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel) => _Rename.RenameQueue(configuration, model, predictorModel);

}