using ShellProgressBar;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.Json;
using View_by_Distance.Property.Models.Stateless;
using View_by_Distance.Shared.Models.Properties;
using View_by_Distance.Shared.Models.Stateless;

namespace View_by_Distance.Property.Models;

public class PropertyLogic
{

    protected readonly List<(int, string[])> _AllCollection;
    protected readonly List<string> _ExceptionsDirectories;
    protected readonly Dictionary<int, int[]> _KeyValuePairs;
    protected readonly Dictionary<int, int[]> _IndicesFromNew;
    protected readonly string _DeterministicHashCodeRootDirectory;
    protected readonly Dictionary<int, string[]> _SixCharacterNamedFaceInfo;
    protected readonly Dictionary<int, string[]> _NamedFaceInfoDeterministicHashCodeKeyValuePairs;
    protected readonly Dictionary<float, string[]> _NamedDeterministicHashCodeKeyValuePairs;
    protected readonly Dictionary<float, string[]> _IncorrectDeterministicHashCodeKeyValuePairs;

    public bool Reverse { get; }
    public List<string> AngleBracketCollection { get; }
    public Dictionary<int, int[]> KeyValuePairs => _KeyValuePairs;
    public Dictionary<int, int[]> IndicesFromNew => _IndicesFromNew;
    public List<string> ExceptionsDirectories => _ExceptionsDirectories;
    public string DeterministicHashCodeRootDirectory => _DeterministicHashCodeRootDirectory;
    public Dictionary<float, string[]> NamedDeterministicHashCodeKeyValuePairs => _NamedDeterministicHashCodeKeyValuePairs;
    public Dictionary<float, string[]> IncorrectDeterministicHashCodeKeyValuePairs => _IncorrectDeterministicHashCodeKeyValuePairs;
    public Dictionary<int, string[]> NamedFaceInfoDeterministicHashCodeKeyValuePairs => _NamedFaceInfoDeterministicHashCodeKeyValuePairs;

    private readonly Model? _Model;
    private readonly Serilog.ILogger? _Log;
    private readonly string[] _VerifyToSeason;
    private readonly int _MaxDegreeOfParallelism;
    private readonly ASCIIEncoding _ASCIIEncoding;
    private readonly Configuration _Configuration;
    private readonly PredictorModel? _PredictorModel;
    private readonly JsonSerializerOptions _WriteIndentedJsonSerializerOptions;

    public PropertyLogic(int maxDegreeOfParallelism, Configuration configuration, bool reverse, Model? model, PredictorModel? predictorModel)
    {
        _Model = model;
        Reverse = reverse;
        _AllCollection = new();
        _Configuration = configuration;
        _ExceptionsDirectories = new();
        _PredictorModel = predictorModel;
        _ASCIIEncoding = new ASCIIEncoding();
        AngleBracketCollection = new List<string>();
        _Log = Serilog.Log.ForContext<A_Property>();
        _MaxDegreeOfParallelism = maxDegreeOfParallelism;
        Dictionary<int, string[]>? namedFaceInfoDeterministicHashCode;
        _WriteIndentedJsonSerializerOptions = new JsonSerializerOptions { WriteIndented = true };
        if (configuration.VerifyToSeason is null || !configuration.VerifyToSeason.Any())
            throw new Exception();
        _VerifyToSeason = configuration.VerifyToSeason.Select(l => Path.Combine(configuration.RootDirectory, l)).ToArray();
        string json;
        string[] files;
        string fullPath;
        Dictionary<int, int[]>? keyValuePairs;
        string deterministicHashCodeRootDirectory;
        List<KeyValuePair<int, int[]>>? collection;
        Dictionary<int, int[]> indicesFromNew = new();
        Dictionary<int, string[]>? sixCharacterNamedFaceInfo;
        Dictionary<float, string[]> namedDeterministicHashCode = new();
        Dictionary<float, string[]> incorrectDeterministicHashCode = new();
        string? rootDirectoryParent = Path.GetDirectoryName(configuration.RootDirectory);
        if (string.IsNullOrEmpty(rootDirectoryParent))
            throw new NullReferenceException(nameof(rootDirectoryParent));
        files = Directory.GetFiles(rootDirectoryParent, "*DeterministicHashCode*.json", SearchOption.TopDirectoryOnly);
        if (files.Length != 1)
            namedFaceInfoDeterministicHashCode = new();
        else
        {
            json = File.ReadAllText(files[0]);
            namedFaceInfoDeterministicHashCode = JsonSerializer.Deserialize<Dictionary<int, string[]>>(json);
            if (namedFaceInfoDeterministicHashCode is null)
                throw new NullReferenceException(nameof(namedFaceInfoDeterministicHashCode));
        }
        if (namedFaceInfoDeterministicHashCode.Any())
        {
            deterministicHashCodeRootDirectory = string.Empty;
            files = Directory.GetFiles(rootDirectoryParent, "*SixCharacter*.json", SearchOption.TopDirectoryOnly);
            if (files.Length != 1)
                sixCharacterNamedFaceInfo = new();
            else
            {
                json = File.ReadAllText(files[0]);
                sixCharacterNamedFaceInfo = JsonSerializer.Deserialize<Dictionary<int, string[]>>(json);
                if (sixCharacterNamedFaceInfo is null)
                    throw new NullReferenceException(nameof(sixCharacterNamedFaceInfo));
            }
        }
        else
        {
            sixCharacterNamedFaceInfo = new();
            string[] directories = Directory.GetDirectories(rootDirectoryParent, "*DeterministicHashCode*", SearchOption.TopDirectoryOnly);
            if (!directories.Any())
                deterministicHashCodeRootDirectory = string.Empty;
            else
            {
                Dictionary<int, List<IFace>> faces = new();
                deterministicHashCodeRootDirectory = directories[0];
                SetKeyValuePairs(deterministicHashCodeRootDirectory, namedDeterministicHashCode, incorrectDeterministicHashCode, faces);
            }
        }
        files = Directory.GetFiles(rootDirectoryParent, "*keyValuePairs*.json", SearchOption.TopDirectoryOnly);
        if (files.Length != 1)
            keyValuePairs = new();
        else
        {
            json = File.ReadAllText(files[0]);
            keyValuePairs = JsonSerializer.Deserialize<Dictionary<int, int[]>>(json);
            if (keyValuePairs is null)
                throw new NullReferenceException(nameof(keyValuePairs));
        }
        foreach (string propertyContentCollectionFile in configuration.PropertyContentCollectionFiles)
        {
            fullPath = Path.GetFullPath(string.Concat(rootDirectoryParent, propertyContentCollectionFile));
            if (fullPath.Contains(configuration.RootDirectory))
                continue;
            if (!File.Exists(fullPath))
                continue;
            json = File.ReadAllText(fullPath);
            collection = JsonSerializer.Deserialize<List<KeyValuePair<int, int[]>>>(json);
            if (collection is null)
                throw new NullReferenceException(nameof(collection));
            foreach (KeyValuePair<int, int[]> keyValuePair in collection)
            {
                if (indicesFromNew.ContainsKey(keyValuePair.Key))
                    continue;
                indicesFromNew.Add(keyValuePair.Key, keyValuePair.Value);
            }
        }
        _KeyValuePairs = keyValuePairs;
        _IndicesFromNew = indicesFromNew;
        _SixCharacterNamedFaceInfo = sixCharacterNamedFaceInfo;
        _NamedDeterministicHashCodeKeyValuePairs = namedDeterministicHashCode;
        _DeterministicHashCodeRootDirectory = deterministicHashCodeRootDirectory;
        _IncorrectDeterministicHashCodeKeyValuePairs = incorrectDeterministicHashCode;
        _NamedFaceInfoDeterministicHashCodeKeyValuePairs = namedFaceInfoDeterministicHashCode;
    }

    private static void SetKeyValuePairs(string deterministicHashCodeRootDirectory, List<(string, float)> named, List<(string, float)> incorrect, Dictionary<int, List<IFace>> keyValuePairs)
    {
        string[] files;
        string fileName;
        string personKey;
        string[] yearDirectories;
        string[] personKeyDirectories;
        string[] personNameDirectories;
        float? idAndNormalizedPixelPercentage;
        string[] ticksDirectories = Directory.GetDirectories(deterministicHashCodeRootDirectory, "*", SearchOption.TopDirectoryOnly);
        foreach (string ticksDirectory in ticksDirectories)
        {
            if (!ticksDirectory.EndsWith(')'))
                continue;
            personKeyDirectories = Directory.GetDirectories(ticksDirectory, "*", SearchOption.TopDirectoryOnly);
            foreach (string personKeyDirectory in personKeyDirectories)
            {
                personKey = Path.GetFileName(personKeyDirectory);
                yearDirectories = Directory.GetDirectories(personKeyDirectory, "*", SearchOption.TopDirectoryOnly);
                foreach (string yearDirectory in yearDirectories)
                {
                    files = Directory.GetFiles(yearDirectory, "*", SearchOption.TopDirectoryOnly);
                    personNameDirectories = Directory.GetDirectories(yearDirectory, "*", SearchOption.TopDirectoryOnly);
                    foreach (string file in files)
                    {
                        if (file.EndsWith(".lnk"))
                            continue;
                        fileName = Path.GetFileName(file);
                        idAndNormalizedPixelPercentage = Named.GetReversedDeterministicHashCode(keyValuePairs, fileName);
                        if (idAndNormalizedPixelPercentage is null)
                            break;
                        incorrect.Add(new(personKey, idAndNormalizedPixelPercentage.Value));
                    }
                    foreach (string personNameDirectory in personNameDirectories)
                    {
                        files = Directory.GetFiles(personNameDirectory, "*", SearchOption.TopDirectoryOnly);
                        foreach (string file in files)
                        {
                            if (file.EndsWith(".lnk"))
                                continue;
                            fileName = Path.GetFileNameWithoutExtension(file);
                            idAndNormalizedPixelPercentage = Named.GetReversedDeterministicHashCode(keyValuePairs, fileName);
                            if (idAndNormalizedPixelPercentage is null)
                                break;
                            named.Add(new(personKey, idAndNormalizedPixelPercentage.Value));
                        }
                    }
                }
            }
        }
    }

    private static void SetKeyValuePairs(string deterministicHashCodeRootDirectory, Dictionary<float, string[]> namedDeterministicHashCode, Dictionary<float, string[]> incorrectDeterministicHashCode, Dictionary<int, List<IFace>> keyValuePairs)
    {
        Dictionary<float, List<string>> namedKeyValuePairs = new();
        Dictionary<float, List<string>> incorrectKeyValuePairs = new();
        List<(string PersonKey, float IdAndNormalizedPixelPercentage)> named = new();
        List<(string PersonKey, float IdAndNormalizedPixelPercentage)> incorrect = new();
        SetKeyValuePairs(deterministicHashCodeRootDirectory, named, incorrect, keyValuePairs);
        named = (from l in named orderby l.IdAndNormalizedPixelPercentage select l).ToList();
        incorrect = (from l in incorrect orderby l.IdAndNormalizedPixelPercentage select l).ToList();
        foreach ((string personKey, float idAndNormalizedPixelPercentage) in named)
        {
            if (!namedKeyValuePairs.ContainsKey(idAndNormalizedPixelPercentage))
                namedKeyValuePairs.Add(idAndNormalizedPixelPercentage, new());
            namedKeyValuePairs[idAndNormalizedPixelPercentage].Add(personKey);
        }
        foreach ((string personKey, float idAndNormalizedPixelPercentage) in incorrect)
        {
            if (!incorrectKeyValuePairs.ContainsKey(idAndNormalizedPixelPercentage))
                incorrectKeyValuePairs.Add(idAndNormalizedPixelPercentage, new());
            incorrectKeyValuePairs[idAndNormalizedPixelPercentage].Add(personKey);
        }
        foreach (KeyValuePair<float, List<string>> keyValuePair in namedKeyValuePairs)
            namedDeterministicHashCode.Add(keyValuePair.Key, keyValuePair.Value.Distinct().ToArray());
        foreach (KeyValuePair<float, List<string>> keyValuePair in incorrectKeyValuePairs)
            incorrectDeterministicHashCode.Add(keyValuePair.Key, keyValuePair.Value.Distinct().ToArray());
    }

    public void UpdateKeyValuePairs(List<Container> containers)
    {
        Dictionary<int, List<IFace>> keyValuePairs = new();
        Dictionary<float, string[]> namedDeterministicHashCode = new();
        Dictionary<float, string[]> incorrectDeterministicHashCode = new();
        foreach (Container container in containers)
        {
            foreach (Item item in container.Items)
            {
                if (item.ImageFileHolder is null || item.Property?.Id is null || !item.Faces.Any())
                    continue;
                keyValuePairs.Add(item.Property.Id.Value, item.Faces);
            }
        }
        SetKeyValuePairs(_DeterministicHashCodeRootDirectory, namedDeterministicHashCode, incorrectDeterministicHashCode, keyValuePairs);
        foreach (KeyValuePair<float, string[]> keyValuePair in namedDeterministicHashCode)
            _NamedDeterministicHashCodeKeyValuePairs.Add(keyValuePair.Key, keyValuePair.Value);
        foreach (KeyValuePair<float, string[]> keyValuePair in incorrectDeterministicHashCode)
            _IncorrectDeterministicHashCodeKeyValuePairs.Add(keyValuePair.Key, keyValuePair.Value);
    }

    public override string ToString()
    {
        string result = JsonSerializer.Serialize(this, new JsonSerializerOptions() { WriteIndented = true });
        return result;
    }

    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;
    }

    public static List<DateTime> GetMetadataDateTimesByPattern(string dateTimeFormat, string filteredSourceDirectoryFile)
    {
        List<DateTime> results = new();
        try
        {
            DateTime checkDateTime;
            DateTime kristy = new(1976, 3, 8);
            IReadOnlyList<MetadataExtractor.Directory> directories = MetadataExtractor.ImageMetadataReader.ReadMetadata(filteredSourceDirectoryFile);
            foreach (MetadataExtractor.Directory directory in directories)
            {
                foreach (MetadataExtractor.Tag tag in directory.Tags)
                {
                    if (string.IsNullOrEmpty(tag.Description) || tag.Description.Length != dateTimeFormat.Length)
                        continue;
                    if (!DateTime.TryParseExact(tag.Description, dateTimeFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out checkDateTime))
                        continue;
                    if (checkDateTime < kristy)
                        continue;
                    results.Add(checkDateTime);
                }
            }
        }
        catch (Exception) { }
        return results;
    }

    public static List<DateTime> GetMetadataDateTimesByPattern(string dateTimeFormat, FileHolder filteredSourceDirectoryFileHolder)
    {
        List<DateTime> results = GetMetadataDateTimesByPattern(dateTimeFormat, filteredSourceDirectoryFileHolder.FullName);
        return results;
    }

#pragma warning disable CA1416

    private A_Property GetImageProperty(FileHolder filteredSourceDirectoryFileHolder, bool populateId, bool isIgnoreExtension, bool isValidImageFormatExtension, bool isValidMetadataExtensions, int? id, List<int> indices)
    {
        A_Property result;
        if (_Log is null)
            throw new NullReferenceException(nameof(_Log));
        if (_Configuration.WriteBitmapDataBytes is null)
            throw new NullReferenceException(nameof(_Configuration.WriteBitmapDataBytes));
        long ticks;
        byte[] bytes;
        string value;
        long fileLength;
        int encodingHash;
        int? width = null;
        int? height = null;
        string dateTimeFormat;
        DateTime checkDateTime;
        DateTime? dateTime = null;
        PropertyItem? propertyItem;
        string make = string.Empty;
        string model = string.Empty;
        DateTime? gpsDateStamp = null;
        DateTime? dateTimeOriginal = null;
        string orientation = string.Empty;
        DateTime? dateTimeDigitized = null;
        if (!isValidImageFormatExtension && isValidMetadataExtensions)
        {
            dateTimeFormat = "ddd MMM dd HH:mm:ss yyyy";
            List<DateTime> dateTimes = GetMetadataDateTimesByPattern(dateTimeFormat, filteredSourceDirectoryFileHolder);
            if (dateTimes.Any())
                dateTimeOriginal = dateTimes.Min();
        }
        else if (!isIgnoreExtension && isValidImageFormatExtension)
        {
            if (populateId && (id is null || !indices.Any()) && !_IndicesFromNew.Any() && !_KeyValuePairs.Any())
                throw new Exception("In order to keep six character indices at least one need to have an item!");
            try
            {
                using Image image = Image.FromFile(filteredSourceDirectoryFileHolder.FullName);
                if (populateId && (id is null || !indices.Any()))
                {
                    using Bitmap bitmap = new(image);
                    string angleBracket = AngleBracketCollection[0];
                    Rectangle rectangle = new(0, 0, image.Width, image.Height);
                    BitmapData bitmapData = bitmap.LockBits(rectangle, ImageLockMode.ReadOnly, bitmap.PixelFormat);
                    IntPtr intPtr = bitmapData.Scan0;
                    int length = bitmapData.Stride * bitmap.Height;
                    bytes = new byte[length];
                    Marshal.Copy(intPtr, bytes, 0, length);
                    bitmap.UnlockBits(bitmapData);
                    if (id is null)
                    {
                        ticks = DateTime.Now.Ticks;
                        id = Stateless.A_Property.GetDeterministicHashCode(bytes);
                        if (_MaxDegreeOfParallelism < 2)
                            ticks = LogDelta(ticks, nameof(Stateless.A_Property.GetDeterministicHashCode));
                    }
                    if (_Configuration.WriteBitmapDataBytes.Value)
                    {
                        FileInfo contentFileInfo = new(Path.Combine(angleBracket.Replace("<>", "()"), filteredSourceDirectoryFileHolder.Name));
                        File.WriteAllBytes(Path.ChangeExtension(contentFileInfo.FullName, string.Empty), bytes);
                    }
                    if (_IndicesFromNew.ContainsKey(id.Value) && _IndicesFromNew[id.Value].Any())
                        indices.AddRange(_IndicesFromNew[id.Value]);
                    else
                    {
                        ticks = DateTime.Now.Ticks;
                        string encoding = Encoding.Default.GetString(bytes);
                        if (_MaxDegreeOfParallelism < 2)
                            ticks = LogDelta(ticks, nameof(Encoding.Default.GetString));
                        encodingHash = Stateless.A_Property.GetDeterministicHashCode(encoding);
                        if (_MaxDegreeOfParallelism < 2)
                            ticks = LogDelta(ticks, nameof(Stateless.A_Property.GetDeterministicHashCode));
                        if (!_KeyValuePairs.ContainsKey(encodingHash))
                            indices.Add(encodingHash);
                        else
                            indices.AddRange(_KeyValuePairs[encodingHash]);
                    }
                }
                width = image.Width;
                height = image.Height;
                dateTimeFormat = Stateless.A_Property.DateTimeFormat();
                if (image.PropertyIdList.Contains((int)IExif.Tags.DateTime))
                {
                    propertyItem = image.GetPropertyItem((int)IExif.Tags.DateTime);
                    if (propertyItem?.Value is not null)
                    {
                        value = _ASCIIEncoding.GetString(propertyItem.Value, 0, propertyItem.Len - 1);
                        if (value.Length > dateTimeFormat.Length)
                            value = value[..dateTimeFormat.Length];
                        if (value.Length == dateTimeFormat.Length && DateTime.TryParseExact(value, dateTimeFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out checkDateTime))
                            dateTime = checkDateTime;
                    }
                }
                if (image.PropertyIdList.Contains((int)IExif.Tags.DateTimeDigitized))
                {
                    propertyItem = image.GetPropertyItem((int)IExif.Tags.DateTimeDigitized);
                    if (propertyItem?.Value is not null)
                    {
                        value = _ASCIIEncoding.GetString(propertyItem.Value, 0, propertyItem.Len - 1);
                        if (value.Length > dateTimeFormat.Length)
                            value = value[..dateTimeFormat.Length];
                        if (value.Length == dateTimeFormat.Length && DateTime.TryParseExact(value, dateTimeFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out checkDateTime))
                            dateTimeDigitized = checkDateTime;
                    }
                }
                if (image.PropertyIdList.Contains((int)IExif.Tags.DateTimeOriginal))
                {
                    propertyItem = image.GetPropertyItem((int)IExif.Tags.DateTimeOriginal);
                    if (propertyItem?.Value is not null)
                    {
                        value = _ASCIIEncoding.GetString(propertyItem.Value, 0, propertyItem.Len - 1);
                        if (value.Length > dateTimeFormat.Length)
                            value = value[..dateTimeFormat.Length];
                        if (value.Length == dateTimeFormat.Length && DateTime.TryParseExact(value, dateTimeFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out checkDateTime))
                            dateTimeOriginal = checkDateTime;
                    }
                }
                if (image.PropertyIdList.Contains((int)IExif.Tags.GPSDateStamp))
                {
                    propertyItem = image.GetPropertyItem((int)IExif.Tags.GPSDateStamp);
                    if (propertyItem?.Value is not null)
                    {
                        value = _ASCIIEncoding.GetString(propertyItem.Value, 0, propertyItem.Len - 1);
                        if (value.Length > dateTimeFormat.Length)
                            value = value[..dateTimeFormat.Length];
                        if (value.Length == dateTimeFormat.Length && DateTime.TryParseExact(value, dateTimeFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out checkDateTime))
                            gpsDateStamp = checkDateTime;
                    }
                }
                if (image.PropertyIdList.Contains((int)IExif.Tags.Make))
                {
                    propertyItem = image.GetPropertyItem((int)IExif.Tags.Make);
                    if (propertyItem?.Value is not null)
                    {
                        value = _ASCIIEncoding.GetString(propertyItem.Value, 0, propertyItem.Len - 1);
                        make = value;
                    }
                }
                if (image.PropertyIdList.Contains((int)IExif.Tags.Model))
                {
                    propertyItem = image.GetPropertyItem((int)IExif.Tags.Model);
                    if (propertyItem?.Value is not null)
                    {
                        value = _ASCIIEncoding.GetString(propertyItem.Value, 0, propertyItem.Len - 1);
                        model = value;
                    }
                }
                if (image.PropertyIdList.Contains((int)IExif.Tags.Orientation))
                {
                    propertyItem = image.GetPropertyItem((int)IExif.Tags.Orientation);
                    if (propertyItem?.Value is not null)
                    {
                        value = BitConverter.ToInt16(propertyItem.Value, 0).ToString();
                        orientation = value;
                    }
                }
            }
            catch (Exception)
            {
                _Log.Info(string.Concat(new StackFrame().GetMethod()?.Name, " <", filteredSourceDirectoryFileHolder.Name, ">"));
            }
        }
        else
            dateTimeOriginal = null;
        if (filteredSourceDirectoryFileHolder.Length is null)
            fileLength = 0;
        else
            fileLength = filteredSourceDirectoryFileHolder.Length.Value;
        result = new(filteredSourceDirectoryFileHolder.CreationTime, dateTime, dateTimeDigitized, dateTimeOriginal, fileLength, gpsDateStamp, height, id, indices.ToArray(), filteredSourceDirectoryFileHolder.LastWriteTime, make, model, orientation, width);
        return result;
    }

#pragma warning restore CA1416

    private A_Property GetPropertyOfPrivate(Item item, bool firstPass, List<Tuple<string, DateTime>> filteredSourceDirectoryFileTuples, List<string> parseExceptions, bool isIgnoreExtension, bool isValidMetadataExtensions)
    {
        A_Property? result;
        if (_Configuration.ForcePropertyLastWriteTimeToCreationTime is null)
            throw new NullReferenceException(nameof(_Configuration.ForcePropertyLastWriteTimeToCreationTime));
        if (_Configuration.PopulatePropertyId is null)
            throw new NullReferenceException(nameof(_Configuration.PopulatePropertyId));
        if (_Configuration.PropertiesChangedForProperty is null)
            throw new NullReferenceException(nameof(_Configuration.PropertiesChangedForProperty));
        if (item.ImageFileHolder is null)
            throw new NullReferenceException(nameof(item.ImageFileHolder));
        string json;
        int? id = null;
        List<int> indices = new();
        bool hasWrongYearProperty = false;
        string[] changesFrom = Array.Empty<string>();
        string angleBracket = AngleBracketCollection[0];
        bool populateId = !firstPass && _Configuration.PopulatePropertyId.Value;
        string without = Path.Combine(angleBracket.Replace("<>", "{}"), $"{item.ImageFileHolder.NameWithoutExtension}.json");
        FileInfo fileInfo = new(Path.Combine(angleBracket.Replace("<>", "{}"), $"{item.ImageFileHolder.NameWithoutExtension}{item.ImageFileHolder.ExtensionLowered}.json"));
        if (item.ValidImageFormatExtension && File.Exists(without))
        {
            File.Move(without, fileInfo.FullName);
            fileInfo.Refresh();
        }
        List<DateTime> dateTimes = (from l in filteredSourceDirectoryFileTuples where changesFrom.Contains(l.Item1) select l.Item2).ToList();
        if (!fileInfo.Exists)
        {
            if (fileInfo.Directory?.Parent is null)
                throw new Exception();
            string parentCheck = Path.Combine(fileInfo.Directory.Parent.FullName, fileInfo.Name);
            if (File.Exists(parentCheck))
            {
                File.Move(parentCheck, fileInfo.FullName);
                fileInfo.Refresh();
            }
        }
        if (_Configuration.ForcePropertyLastWriteTimeToCreationTime.Value && !fileInfo.Exists && File.Exists(Path.ChangeExtension(fileInfo.FullName, ".delete")))
        {
            File.Move(Path.ChangeExtension(fileInfo.FullName, ".delete"), fileInfo.FullName);
            fileInfo.Refresh();
        }
        if (_Configuration.ForcePropertyLastWriteTimeToCreationTime.Value && fileInfo.Exists && fileInfo.LastWriteTime != fileInfo.CreationTime)
        {
            File.SetLastWriteTime(fileInfo.FullName, fileInfo.CreationTime);
            fileInfo.Refresh();
        }
        if (_Configuration.PropertiesChangedForProperty.Value)
            result = null;
        else if (!fileInfo.Exists)
            result = null;
        else if (!fileInfo.FullName.EndsWith(".json") && !fileInfo.FullName.EndsWith(".old"))
            throw new ArgumentException("must be a *.json file");
        else if (dateTimes.Any() && dateTimes.Max() > fileInfo.LastWriteTime)
            result = null;
        else
        {
            json = File.ReadAllText(fileInfo.FullName);
            try
            {
                if (item.ImageFileHolder is null)
                    throw new NullReferenceException(nameof(item.ImageFileHolder));
                bool check = true;
                A_Property? property = JsonSerializer.Deserialize<A_Property>(json);
                if (!isIgnoreExtension && item.ValidImageFormatExtension && ((populateId && property?.Id is null) || property?.Width is null || property?.Height is null))
                {
                    check = false;
                    id = property?.Id;
                    if (property is not null && property.Indices.Any())
                        indices = property.Indices.ToList();
                    property = GetImageProperty(item.ImageFileHolder, populateId, isIgnoreExtension, item.ValidImageFormatExtension, isValidMetadataExtensions, id, indices);
                }
                if (!isIgnoreExtension && item.ValidImageFormatExtension && populateId && property is not null && !property.Indices.Any())
                {
                    check = false;
                    id = property?.Id;
                    if (property is not null && property.Indices.Any())
                        indices = property.Indices.ToList();
                    property = GetImageProperty(item.ImageFileHolder, populateId, isIgnoreExtension, item.ValidImageFormatExtension, isValidMetadataExtensions, id, indices);
                }
                if (!isIgnoreExtension && item.ValidImageFormatExtension && populateId && property is not null && property.LastWriteTime != item.ImageFileHolder.LastWriteTime)
                {
                    check = false;
                    id = null;
                    indices.Clear();
                    property = GetImageProperty(item.ImageFileHolder, populateId, isIgnoreExtension, item.ValidImageFormatExtension, isValidMetadataExtensions, id, indices);
                }
                if (!isIgnoreExtension && item.ValidImageFormatExtension && property?.Width is not null && property?.Height is not null && property.Width.Value == property.Height.Value && item.ImageFileHolder.Exists)
                {
                    check = false;
                    id = property?.Id;
                    if (property is not null && property.Indices.Any())
                        indices = property.Indices.ToList();
                    property = GetImageProperty(item.ImageFileHolder, populateId, isIgnoreExtension, item.ValidImageFormatExtension, isValidMetadataExtensions, id, indices);
                    if (property?.Width is not null && property?.Height is not null && property.Width.Value != property.Height.Value)
                        throw new Exception("Was square!");
                }
                // if (filteredSourceDirectoryFileFileInfo.CreationTime != property?.CreationTime || filteredSourceDirectoryFileFileInfo.LastWriteTime != property?.LastWriteTime)
                // {
                //     check = false;
                //     id = null;
                //     indices.Clear();
                //     property = GetImagePropertyB(filteredSourceDirectoryFile, populateId, isIgnoreExtension, isValidImageFormatExtension, isValidMetadataExtensions, id, indices);
                // }
                if (json.Contains("WrongYear"))
                {
                    id = property?.Id;
                    hasWrongYearProperty = true;
                }
                if (property is null)
                    throw new Exception();
                if (!check)
                    result = null;
                else
                {
                    result = property;
                    filteredSourceDirectoryFileTuples.Add(new Tuple<string, DateTime>(nameof(A_Property), fileInfo.LastWriteTime));
                }
            }
            catch (Exception)
            {
                result = null;
                parseExceptions.Add(nameof(A_Property));
            }
        }
        if (result is null)
        {
            if (item.ImageFileHolder is null)
                throw new NullReferenceException(nameof(item.ImageFileHolder));
            result = GetImageProperty(item.ImageFileHolder, populateId, isIgnoreExtension, item.ValidImageFormatExtension, isValidMetadataExtensions, id, indices);
            json = JsonSerializer.Serialize(result, _WriteIndentedJsonSerializerOptions);
            if (populateId && IPath.WriteAllText(fileInfo.FullName, json, updateDateWhenMatches: true, compareBeforeWrite: true))
            {
                if (!_Configuration.ForcePropertyLastWriteTimeToCreationTime.Value && (!fileInfo.Exists || fileInfo.LastWriteTime == fileInfo.CreationTime))
                    filteredSourceDirectoryFileTuples.Add(new Tuple<string, DateTime>(nameof(A_Property), DateTime.Now));
                else
                {
                    File.SetLastWriteTime(fileInfo.FullName, fileInfo.CreationTime);
                    fileInfo.Refresh();
                    filteredSourceDirectoryFileTuples.Add(new Tuple<string, DateTime>(nameof(A_Property), fileInfo.CreationTime));
                }
            }
        }
        else if (hasWrongYearProperty)
        {
            json = JsonSerializer.Serialize(result, _WriteIndentedJsonSerializerOptions);
            if (IPath.WriteAllText(fileInfo.FullName, json, updateDateWhenMatches: true, compareBeforeWrite: true))
            {
                File.SetLastWriteTime(fileInfo.FullName, fileInfo.CreationTime);
                fileInfo.Refresh();
                filteredSourceDirectoryFileTuples.Add(new Tuple<string, DateTime>(nameof(A_Property), fileInfo.CreationTime));
            }
        }
        return result;
    }

    private bool AnyFilesMoved(string sourceDirectory, Item[] filteredItems)
    {
        bool result = false;
        if (_Log is null)
            throw new NullReferenceException(nameof(_Log));
        int season;
        string[] matches;
        string deleteFile;
        bool? isWrongYear;
        string seasonName;
        DateTime dateTime;
        string destinationFile;
        DateTime minimumDateTime;
        string destinationDirectory;
        string[] sourceDirectorySegments;
        DateTime directoryMaximumOfMinimumDateTime = DateTime.MinValue;
        foreach (Item filteredItem in filteredItems)
        {
            if (!filteredItem.ValidImageFormatExtension || filteredItem.Property is null || filteredItem.ImageFileHolder is null)
                continue;
            minimumDateTime = Stateless.A_Property.GetMinimumDateTime(filteredItem.Property);
            if (minimumDateTime > directoryMaximumOfMinimumDateTime)
                directoryMaximumOfMinimumDateTime = minimumDateTime;
            if (minimumDateTime != filteredItem.ImageFileHolder.CreationTime)
            {
                (isWrongYear, matches) = filteredItem.Property.IsWrongYear(filteredItem.ImageFileHolder.FullName, minimumDateTime);
                if (isWrongYear is null || !isWrongYear.Value)
                    dateTime = minimumDateTime;
                else
                {
                    if (!matches.Any())
                        continue;
                    if (!DateTime.TryParseExact(matches[0], "yyyy", CultureInfo.InvariantCulture, DateTimeStyles.None, out dateTime))
                        continue;
                }
                try
                { File.SetCreationTime(filteredItem.ImageFileHolder.FullName, dateTime); }
                catch (Exception)
                { }
            }
            if (!_VerifyToSeason.Contains(sourceDirectory))
                continue;
            if (!filteredItem.ImageFileHolder.FullName.Contains("zzz ") && !filteredItem.ImageFileHolder.FullName.Contains("Camera ") && filteredItem.Property.DateTimeOriginal.HasValue)
            {
                TimeSpan timeSpan = new(filteredItem.Property.DateTimeOriginal.Value.Ticks - filteredItem.Property.LastWriteTime.Ticks);
                if (timeSpan.TotalHours > 6)
                {
                    _Log.Warning($"*** propertyHolder.FileInfo.FullName <{filteredItem.ImageFileHolder.FullName}>");
                    _Log.Warning($"*** DateTimeOriginal <{filteredItem.Property.DateTimeOriginal.Value}>");
                    _Log.Warning($"*** LastWriteTime <{filteredItem.Property.LastWriteTime}>");
                    _Log.Warning($"*** TotalHours <{timeSpan.TotalHours}>");
                }
            }
            sourceDirectorySegments = Path.GetFileName(sourceDirectory).Split(' ');
            (season, seasonName) = Stateless.A_Property.GetSeason(minimumDateTime.DayOfYear);
            if (sourceDirectorySegments[0] == "zzz")
                destinationDirectory = Path.Combine(_Configuration.RootDirectory, $"zzz ={minimumDateTime:yyyy}.{season} {seasonName} {string.Join(' ', sourceDirectorySegments.Skip(3))}");
            else if (sourceDirectorySegments.Length > 2)
                destinationDirectory = Path.Combine(_Configuration.RootDirectory, $"={minimumDateTime:yyyy}.{season} {seasonName} {string.Join(' ', sourceDirectorySegments.Skip(2))}");
            else
                destinationDirectory = Path.Combine(_Configuration.RootDirectory, $"={minimumDateTime:yyyy}.{season} {seasonName}");
            if (destinationDirectory == sourceDirectory)
                continue;
            lock (filteredItem)
                filteredItem.SetMoved(true);
            if (!result)
                result = true;
            if (!Directory.Exists(destinationDirectory))
                _ = Directory.CreateDirectory(destinationDirectory);
            destinationFile = Path.Combine(destinationDirectory, filteredItem.ImageFileHolder.Name);
            if (File.Exists(destinationFile))
            {
                if (destinationFile.EndsWith(".jpg", ignoreCase: true, CultureInfo.CurrentCulture))
                    destinationFile = Path.Combine(destinationDirectory, Path.ChangeExtension(filteredItem.ImageFileHolder.Name, ".jpeg"));
                else if (destinationFile.EndsWith(".jpeg", ignoreCase: true, CultureInfo.CurrentCulture))
                    destinationFile = Path.Combine(destinationDirectory, Path.ChangeExtension(filteredItem.ImageFileHolder.Name, ".jpg"));
            }
            if (File.Exists(destinationFile))
            {
                _Log.Information($"*** source <{filteredItem.ImageFileHolder.FullName}>");
                _Log.Information($"*** destination <{destinationFile}>");
                if (filteredItem.ImageFileHolder.Exists)
                {
                    deleteFile = Path.ChangeExtension(filteredItem.ImageFileHolder.FullName, ".delete");
                    if (File.Exists(deleteFile))
                        File.Delete(deleteFile);
                    File.Move(filteredItem.ImageFileHolder.FullName, deleteFile);
                }
            }
            else
            {
                File.Move(filteredItem.ImageFileHolder.FullName, destinationFile);
                if (filteredItem.ImageFileHolder.Exists)
                {
                    deleteFile = Path.ChangeExtension(filteredItem.ImageFileHolder.FullName, ".delete");
                    if (File.Exists(deleteFile))
                        File.Delete(deleteFile);
                    File.Move(filteredItem.ImageFileHolder.FullName, deleteFile);
                }
            }
        }
        if (directoryMaximumOfMinimumDateTime != DateTime.MinValue)
        {
            System.IO.DirectoryInfo directoryInfo = new(sourceDirectory);
            if (directoryInfo.LastWriteTime != directoryMaximumOfMinimumDateTime)
                Directory.SetLastWriteTime(sourceDirectory, directoryMaximumOfMinimumDateTime);
        }
        return result;
    }

    private void ParallelForWork(bool firstPass, string sourceDirectory, List<Tuple<string, DateTime>> filteredSourceDirectoryFileTuples, List<Tuple<string, DateTime>> sourceDirectoryChanges, Item item)
    {
        if (item.ImageFileHolder is null)
            throw new NullReferenceException(nameof(item.ImageFileHolder));
        A_Property property;
        List<string> parseExceptions = new();
        bool isValidMetadataExtensions = _Configuration.ValidMetadataExtensions.Contains(item.ImageFileHolder.ExtensionLowered);
        bool isIgnoreExtension = item.ValidImageFormatExtension && _Configuration.IgnoreExtensions.Contains(item.ImageFileHolder.ExtensionLowered);
        string filteredSourceDirectoryFileExtensionLowered = Path.Combine(sourceDirectory, $"{item.ImageFileHolder.NameWithoutExtension}{item.ImageFileHolder.ExtensionLowered}");
        if (item.ValidImageFormatExtension && item.ImageFileHolder.FullName.Length == filteredSourceDirectoryFileExtensionLowered.Length && item.ImageFileHolder.FullName != filteredSourceDirectoryFileExtensionLowered)
            File.Move(item.ImageFileHolder.FullName, filteredSourceDirectoryFileExtensionLowered);
        if (item.Changed is null || item.Changed.Value || item.Property is null)
        {
            property = GetPropertyOfPrivate(item, firstPass, filteredSourceDirectoryFileTuples, parseExceptions, isIgnoreExtension, isValidMetadataExtensions);
            lock (sourceDirectoryChanges)
                sourceDirectoryChanges.Add(new Tuple<string, DateTime>(nameof(A_Property), DateTime.Now));
            lock (item)
                item.Update(property);
        }
    }

    private void ParallelWork(bool firstPass, List<Exception> exceptions, List<Tuple<string, DateTime>> sourceDirectoryChanges, int containersCount, Container container, Item[] filteredItems, int totalSeconds)
    {
        List<Tuple<string, DateTime>> filteredSourceDirectoryFileTuples = new();
        ParallelOptions parallelOptions = new() { MaxDegreeOfParallelism = _MaxDegreeOfParallelism };
        ProgressBarOptions options = new() { ProgressCharacter = '─', ProgressBarOnBottom = true, DisableBottomPercentage = true };
        string message = $"{container.R:000}.{container.G} / {containersCount:000}) {filteredItems.Length:000} file(s) - {totalSeconds} total second(s) - {container.SourceDirectory}";
        using ProgressBar progressBar = new(filteredItems.Length, message, options);
        _ = Parallel.For(0, filteredItems.Length, parallelOptions, i =>
           {
               try
               {
                   long ticks = DateTime.Now.Ticks;
                   DateTime dateTime = DateTime.Now;
                   List<Tuple<string, DateTime>> collection;
                   ParallelForWork(firstPass, container.SourceDirectory, sourceDirectoryChanges, filteredSourceDirectoryFileTuples, filteredItems[i]);
                   if (i == 0 || sourceDirectoryChanges.Any())
                       progressBar.Tick();
                   lock (filteredSourceDirectoryFileTuples)
                       collection = (from l in filteredSourceDirectoryFileTuples where l.Item2 > dateTime select l).ToList();
                   lock (sourceDirectoryChanges)
                       sourceDirectoryChanges.AddRange(collection);
               }
               catch (Exception ex)
               {
                   lock (exceptions)
                       exceptions.Add(ex);
               }
           });
    }

    private void SetAngleBracketCollection(string sourceDirectory)
    {
        AngleBracketCollection.Clear();
        AngleBracketCollection.AddRange(IResult.GetDirectoryInfoCollection(_Configuration,
                                                                           _Model,
                                                                           _PredictorModel,
                                                                           sourceDirectory,
                                                                           nameof(A_Property),
                                                                           string.Empty,
                                                                           includeResizeGroup: false,
                                                                           includeModel: false,
                                                                           includePredictorModel: false,
                                                                           contentDescription: string.Empty,
                                                                           singletonDescription: "Properties for each image",
                                                                           collectionDescription: string.Empty));
    }

    public void ParallelWork(long ticks, List<Container> containers, bool firstPass)
    {
        if (_Log is null)
            throw new NullReferenceException(nameof(_Log));
        if (_Configuration.PopulatePropertyId is null)
            throw new NullReferenceException(nameof(_Configuration.PopulatePropertyId));
        int totalSeconds;
        bool? anyFilesMoved;
        Item[] filteredItems;
        List<Exception> exceptions = new();
        int containersCount = containers.Count;
        List<Tuple<string, DateTime>> sourceDirectoryChanges = new();
        string propertyRoot = IResult.GetResultsGroupDirectory(_Configuration, nameof(A_Property));
        foreach (Container container in containers)
        {
            if (!container.Items.Any())
                continue;
            sourceDirectoryChanges.Clear();
            if (firstPass)
                filteredItems = (from l in container.Items where l.NoJson is null || !l.NoJson.Value && (l.Changed is null || l.Changed.Value) select l).ToArray();
            else
                filteredItems = (from l in container.Items where l.ImageFileHolder is not null && !_Configuration.IgnoreExtensions.Contains(l.ImageFileHolder.ExtensionLowered) select l).ToArray();
            if (!filteredItems.Any())
                continue;
            totalSeconds = (int)Math.Truncate(new TimeSpan(DateTime.Now.Ticks - ticks).TotalSeconds);
            SetAngleBracketCollection(container.SourceDirectory);
            ParallelWork(firstPass, exceptions, sourceDirectoryChanges, containersCount, container, filteredItems, totalSeconds);
            foreach (Exception exception in exceptions)
                _Log.Error(string.Concat(container.SourceDirectory, Environment.NewLine, exception.Message, Environment.NewLine, exception.StackTrace), exception);
            if (exceptions.Count == filteredItems.Length)
                throw new Exception(string.Concat("All in [", container.SourceDirectory, "]failed!"));
            if (exceptions.Count != 0)
                _ExceptionsDirectories.Add(container.SourceDirectory);
            if (!firstPass || exceptions.Count != 0)
                anyFilesMoved = null;
            else
                anyFilesMoved = AnyFilesMoved(container.SourceDirectory, 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 (Console.ReadKey().Key == ConsoleKey.Y)
                        break;
                }
                _Log.Information(". . .");
            }
        }
    }

    public A_Property GetProperty(Item item, List<Tuple<string, DateTime>> filteredSourceDirectoryFileTuples, List<string> parseExceptions)
    {
        A_Property result;
        if (item.ImageFileHolder is null)
            throw new NullReferenceException(nameof(item.ImageFileHolder));
        bool firstPass = false;
        bool isValidMetadataExtensions = _Configuration.ValidMetadataExtensions.Contains(item.ImageFileHolder.ExtensionLowered);
        bool isIgnoreExtension = item.ValidImageFormatExtension && _Configuration.IgnoreExtensions.Contains(item.ImageFileHolder.ExtensionLowered);
        result = GetPropertyOfPrivate(item, firstPass, filteredSourceDirectoryFileTuples, parseExceptions, isIgnoreExtension, isValidMetadataExtensions);
        return result;
    }

    public (long Ticks, string FilteredSourceDirectoryFile, string PropertyDirectory, int PropertyId)[] GetPropertyIds(List<DirectoryInfo> groupCollection, bool saveToCollection)
    {
        List<(long Ticks, string FilteredSourceDirectoryFile, string PropertyDirectory, int PropertyId)> results = new();
        int level;
        A_Property? property;
        string checkDirectory;
        List<string> directories;
        string propertyDirectory;
        string angleBracket = AngleBracketCollection[0];
        foreach (DirectoryInfo group in groupCollection)
        {
            SetAngleBracketCollection(group.SourceDirectory);
            if (string.IsNullOrEmpty(group.SourceDirectory))
                throw new Exception();
            if (!saveToCollection)
                propertyDirectory = angleBracket.Replace("<>", "()");
            else
            {
                (level, directories) = IPath.Get(_Configuration.RootDirectory, group.SourceDirectory);
                checkDirectory = IPath.GetDirectory(angleBracket, level, "[()]");
                propertyDirectory = Path.Combine(checkDirectory, string.Join(_Configuration.FileNameDirectorySeparator, directories));
            }
            if (!Directory.Exists(propertyDirectory))
                _ = Directory.CreateDirectory(propertyDirectory);
            for (int i = 0; i < group.SourceDirectoryFileHolderCollection.Length; i++)
            {
                property = group.PropertyCollection[i];
                if (property?.Id is null)
                    continue;
                results.Add(new(property.GetDateTimes().Min().Ticks, group.FilteredSourceDirectoryFiles[i], propertyDirectory, property.Id.Value));
            }
        }
        return results.OrderBy(l => l.Ticks).ToArray();
    }

    public void AddToPropertyLogicAllCollection(Item[] filteredItems)
    {
        if (_SixCharacterNamedFaceInfo.Any())
        {
            string[] keys;
            Item item;
            for (int i = 0; i < filteredItems.Length; i++)
            {
                item = filteredItems[i];
                if (item.Property?.Id is null)
                    continue;
                foreach (int sixCharacterIndex in item.Property.Indices)
                {
                    if (!_SixCharacterNamedFaceInfo.ContainsKey(sixCharacterIndex))
                        continue;
                    keys = _SixCharacterNamedFaceInfo[sixCharacterIndex];
                    _AllCollection.Add(new(item.Property.Id.Value, keys));
                }
            }
        }
    }

    public void SaveAllCollection()
    {
        if (_AllCollection.Any())
        {
            string[] keys;
            string? rootDirectoryParent = Path.GetDirectoryName(_Configuration.RootDirectory);
            if (string.IsNullOrEmpty(rootDirectoryParent))
                throw new NullReferenceException(nameof(rootDirectoryParent));
            Dictionary<int, string[]> namedFaceInfoDeterministicHashCodeIndices = new();
            List<(int, string[])> allCollection = _AllCollection.OrderBy(l => l.Item1).ToList();
            foreach ((int deterministicHashCode, string[] values) in allCollection)
            {
                if (namedFaceInfoDeterministicHashCodeIndices.ContainsKey(deterministicHashCode))
                {
                    keys = namedFaceInfoDeterministicHashCodeIndices[deterministicHashCode];
                    if (JsonSerializer.Serialize(values) == JsonSerializer.Serialize(keys))
                        continue;
                    throw new Exception();
                }
                namedFaceInfoDeterministicHashCodeIndices.Add(deterministicHashCode, values);
            }
            string json = JsonSerializer.Serialize(namedFaceInfoDeterministicHashCodeIndices, new JsonSerializerOptions { WriteIndented = true });
            string checkFile = Path.Combine(rootDirectoryParent, "NamedFaceInfoDeterministicHashCodeIndices.json");
            _ = IPath.WriteAllText(checkFile, json, updateDateWhenMatches: true, compareBeforeWrite: true);
        }
    }

}