using Humanizer;
using ShellProgressBar;
using System.Collections.ObjectModel;
using System.Globalization;
using System.Text.Json;
using System.Text.RegularExpressions;
using View_by_Distance.Shared.Models;
using View_by_Distance.Shared.Models.Stateless.Methods;
using WindowsShortcutFactory;

namespace View_by_Distance.Map.Models;

public partial class MapLogic : Shared.Models.Methods.IMapLogic
{

    private bool IsUsed(bool ignoreXMatches, int id, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>? wholePercentagesToPersonContainers, int wholePercentages)
    {
        bool result;
        List<int>? wholePercentagesCollection;
        ReadOnlyCollection<PersonContainer>? personContainers;
        result = _SkipCollection.TryGetValue(id, out wholePercentagesCollection) && wholePercentagesCollection.Contains(wholePercentages);
        if (!result && wholePercentagesToPersonContainers is not null)
            if (wholePercentagesToPersonContainers.TryGetValue(wholePercentages, out personContainers))
                if (!ignoreXMatches || !personContainers.Any(l => IPerson.IsDefaultName(l)))
                    result = true;
        return result;
    }

    public bool IsUsed(bool ignoreXMatches, int id, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>? wholePercentagesToPersonContainers, MappingFromLocation mappingFromLocation) =>
        IsUsed(ignoreXMatches, id, wholePercentagesToPersonContainers, mappingFromLocation.WholePercentages);

    [GeneratedRegex("[\\\\,\\/,\\:,\\*,\\?,\\\",\\<,\\>,\\|]")]
    private static partial Regex FileSystemSafe();

    public void SaveContainers(bool saveIndividually, int? updated, List<SaveContainer> saveContainers)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        string fileName;
        string checkFile;
        string sourceFile;
        List<string> distinct = new();
        WindowsShortcut windowsShortcut;
        string[] directories = (from l in saveContainers select l.Directory).Distinct().ToArray();
        int totalSeconds = (int)Math.Floor(new TimeSpan(DateTime.Now.Ticks - _Ticks).TotalSeconds);
        string message;
        if (updated is null)
            message = $") {saveContainers.Count:000} save(s) - {totalSeconds} total second(s)";
        else
            message = $") {saveContainers.Count:000} save(s) - {updated} Updated - {totalSeconds} total second(s)";
        ProgressBarOptions options = new() { ProgressCharacter = '─', ProgressBarOnBottom = true, DisableBottomPercentage = true };
        foreach (string directory in directories)
        {
            if (string.IsNullOrEmpty(directory))
                continue;
            if (!Directory.Exists(directory))
                _ = Directory.CreateDirectory(directory);
        }
        using ProgressBar progressBar = new(saveContainers.Count, message, options);
        foreach (SaveContainer saveContainer in saveContainers)
        {
            progressBar.Tick();
            if (string.IsNullOrEmpty(saveContainer.Directory) || string.IsNullOrEmpty(saveContainer.CheckFile) || saveContainer.FaceFileHolder is null)
                continue;
            if (saveContainer.FacePartsFileHolder is null && saveContainer.HiddenFaceFileHolder is null && saveContainer.ResizedFileHolder is null)
            {
                checkFile = saveContainer.CheckFile;
                sourceFile = saveContainer.FaceFileHolder.FullName;
            }
            else if (!saveContainer.FaceFileHolder.Exists && saveContainer.ResizedFileHolder is not null && saveContainer.ResizedFileHolder.Exists)
            {
                checkFile = saveContainer.CheckFile;
                sourceFile = saveContainer.ResizedFileHolder.FullName;
            }
            else if (saveContainer.FaceFileHolder.Exists)
            {
                sourceFile = saveContainer.FaceFileHolder.FullName;
                checkFile = $"{saveContainer.CheckFile}{_Configuration.FacesFileNameExtension}";
            }
            else
                continue;
            if (saveIndividually)
            {
                fileName = Path.GetFileName(checkFile);
                if (distinct.Contains(fileName))
                    continue;
                distinct.Add(fileName);
            }
            if (File.Exists(checkFile))
                continue;
            File.Copy(sourceFile, checkFile);
            if (saveIndividually)
                continue;
            if (saveContainer.MakeAllHidden)
                File.SetAttributes(checkFile, FileAttributes.Hidden);
            if (saveContainer.HiddenFaceFileHolder is not null && saveContainer.HiddenFaceFileHolder.Exists)
            {
                sourceFile = saveContainer.HiddenFaceFileHolder.FullName;
                checkFile = $"{saveContainer.CheckFile}{_Configuration.FacesHiddenFileNameExtension}";
            }
            else if (saveContainer.FacePartsFileHolder is not null && saveContainer.FacePartsFileHolder.Exists)
            {
                sourceFile = saveContainer.FacePartsFileHolder.FullName;
                checkFile = $"{saveContainer.CheckFile}{_Configuration.FacePartsFileNameExtension}";
            }
            if (File.Exists(checkFile))
                continue;
            File.Copy(sourceFile, checkFile);
            if (saveContainer.MakeAllHidden)
                File.SetAttributes(checkFile, FileAttributes.Hidden);
        }
        if (updated is null)
            foreach (SaveContainer saveContainer in saveContainers)
            {
                if (string.IsNullOrEmpty(saveContainer.Directory) || string.IsNullOrEmpty(saveContainer.CheckFile) || saveContainer.ResizedFileHolder is null || !saveContainer.ResizedFileHolder.Exists)
                    continue;
                checkFile = saveContainer.CheckFile;
                sourceFile = saveContainer.ResizedFileHolder.FullName;
                if (File.Exists(checkFile))
                    continue;
                File.Copy(sourceFile, checkFile);
                if (saveContainer.MakeAllHidden)
                    File.SetAttributes(checkFile, FileAttributes.Hidden);
            }
        foreach (SaveContainer saveContainer in saveContainers)
        {
            if (string.IsNullOrEmpty(saveContainer.Directory) || string.IsNullOrEmpty(saveContainer.ShortcutFile) || saveContainer.ResizedFileHolder is null || !saveContainer.ResizedFileHolder.Exists)
                continue;
            try
            {
                string description = saveContainer.FaceFileHolder is not null ? saveContainer.FaceFileHolder.Name : string.Empty;
                windowsShortcut = new() { Path = saveContainer.ResizedFileHolder.FullName, Description = description };
                windowsShortcut.Save(saveContainer.ShortcutFile);
                windowsShortcut.Dispose();
                if (saveContainer.MakeAllHidden)
                    File.SetAttributes(saveContainer.ShortcutFile, FileAttributes.Hidden);
            }
            catch (Exception)
            { }
        }
    }

    private List<SaveShortcutsForOutputResolutions> GetCollectionForSaveShortcutsForOutputResolutionsPreMapLogic(string eDistanceContentDirectory, ReadOnlyDictionary<long, List<int>> personKeyToIds, ReadOnlyCollection<Mapping> mappingCollection)
    {
        List<SaveShortcutsForOutputResolutions> results = new();
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        int season;
        long personKey;
        string fileName;
        string directory;
        string weekOfYear;
        DateTime dateTime;
        string description;
        string directoryName;
        List<long>? personKeys;
        string personKeyFormatted;
        Calendar calendar = new CultureInfo("en-US").Calendar;
        ReadOnlyDictionary<int, List<long>> idToPersonKeys = Stateless.Methods.IMapLogic.GetIdToPersonKeys(personKeyToIds);
        foreach (Mapping mapping in mappingCollection)
        {
            dateTime = mapping.MappingFromItem.GetDateTimeOriginalThenMinimumDateTime();
            description = mapping.MappingFromLocation is null ? mapping.MappingFromItem.Id.ToString() : mapping.MappingFromLocation.DeterministicHashCodeKey;
            (season, _) = IProperty.GetSeason(dateTime.DayOfYear);
            weekOfYear = calendar.GetWeekOfYear(dateTime, CalendarWeekRule.FirstDay, DayOfWeek.Sunday).ToString("00");
            directory = Path.Combine($"{eDistanceContentDirectory}---", "Date Shortcuts", $"{dateTime.Year}.{season}-MM{dateTime.Month:00}-WW{weekOfYear}");
            fileName = Path.Combine(directory, $"{mapping.MappingFromItem.ImageFileHolder.Name}.lnk");
            results.Add(new(mapping.MappingFromItem.ImageFileHolder.FullName, directory, dateTime, fileName, description, MakeAllHidden: false));
            if (mapping.MappingFromItem.ImageFileHolder.DirectoryName is null)
                continue;
            directoryName = Path.GetFileName(mapping.MappingFromItem.ImageFileHolder.DirectoryName);
            if (!string.IsNullOrEmpty(mapping.MappingFromItem.Model) && !string.IsNullOrEmpty(mapping.MappingFromItem.Model.Trim()))
            {
                // Remove-Item -LiteralPath "\\?\D:\Tmp\a\EX-Z70     "
                directory = Path.Combine($"{eDistanceContentDirectory}---", "Model Shortcuts", FileSystemSafe().Replace(mapping.MappingFromItem.Model.Trim(), "_"), directoryName);
                fileName = Path.Combine(directory, $"{mapping.MappingFromItem.ImageFileHolder.Name}.lnk");
                results.Add(new(mapping.MappingFromItem.ImageFileHolder.FullName, directory, dateTime, fileName, description, MakeAllHidden: false));
            }
            if (mapping.MappingFromPerson is null)
                continue;
            if (!idToPersonKeys.TryGetValue(mapping.MappingFromItem.Id, out personKeys))
                continue;
            personKey = mapping.MappingFromPerson.PersonBirthday.Value.Ticks;
            if (!personKeys.Contains(mapping.MappingFromPerson.PersonBirthday.Value.Ticks))
                continue;
            personKeyFormatted = IPersonBirthday.GetFormatted(_Configuration.PersonBirthdayFormat, mapping.MappingFromPerson.PersonBirthday);
            directory = Path.Combine($"{eDistanceContentDirectory}---", "Person Key Shortcuts", personKeyFormatted, directoryName);
            fileName = Path.Combine(directory, $"{mapping.MappingFromItem.ImageFileHolder.Name}.lnk");
            results.Add(new(mapping.MappingFromItem.ImageFileHolder.FullName, directory, mapping.MappingFromItem.GetDateTimeOriginalThenMinimumDateTime(), fileName, description, MakeAllHidden: false));
            if (IPerson.IsDefaultName(mapping.MappingFromPerson))
                continue;
            directory = Path.Combine($"{eDistanceContentDirectory}---", "Name Shortcuts", mapping.MappingFromPerson.DisplayDirectoryName, directoryName);
            fileName = Path.Combine(directory, $"{mapping.MappingFromItem.ImageFileHolder.Name}.lnk");
            results.Add(new(mapping.MappingFromItem.ImageFileHolder.FullName, directory, mapping.MappingFromItem.GetDateTimeOriginalThenMinimumDateTime(), fileName, description, MakeAllHidden: false));
        }
        return results;
    }

    private void LookForAbandoned(Property.Models.Configuration propertyConfiguration, List<int> distinctFilteredIds)
    {
        List<string> renameCollection = new();
        foreach (KeyValuePair<int, List<LocationContainer<MetadataExtractor.Directory>>> keyValuePair in _IdToLocationContainers)
        {
            if (distinctFilteredIds.Contains(keyValuePair.Key))
                continue;
            foreach (LocationContainer<MetadataExtractor.Directory> locationContainer in keyValuePair.Value)
            {
                if (locationContainer.File.Contains('!'))
                    continue;
                renameCollection.Add(locationContainer.File);
            }
        }
        if (renameCollection.Count > 0)
            IDirectory.MoveFiles(renameCollection, propertyConfiguration.ResultContent, "(abd)");
    }

    private readonly long _Ticks;
    private readonly Serilog.ILogger? _Log;
    private readonly Configuration? _Configuration;
    private readonly string _EDistanceContentTicksDirectory;
    private readonly ReadOnlyDictionary<long, int> _PersonKeyToCount;
    private readonly List<PersonContainer> _NotMappedPersonContainers;
    private readonly ReadOnlyDictionary<int, List<int>> _SkipCollection;
    private readonly ReadOnlyDictionary<int, List<int>> _SkipNotSkipCollection;
    private readonly Shared.Models.Properties.IPropertyConfiguration _PropertyConfiguration;
    private readonly ReadOnlyDictionary<int, List<LocationContainer<MetadataExtractor.Directory>>> _IdToLocationContainers;
    private readonly ReadOnlyDictionary<int, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>> _IdThenWholePercentagesToPersonContainers;

    public MapLogic(int maxDegreeOfParallelism, Shared.Models.Properties.IPropertyConfiguration propertyConfiguration, Configuration? configuration, Shared.Models.Methods.IDistance<MetadataExtractor.Directory> distance, ReadOnlyCollection<PersonContainer> personContainers, long ticks, string a2PeopleSingletonDirectory, string eDistanceContentDirectory)
    {
        _Ticks = ticks;
        _Configuration = configuration;
        _Log = Serilog.Log.ForContext<MapLogic>();
        _PropertyConfiguration = propertyConfiguration;
        if (_Log is null)
        { }
        ReadOnlyDictionary<long, int> readOnlyPersonKeyToCount;
        List<PersonContainer> notMappedPersonContainers = new();
        Dictionary<int, List<(string, int)>> skipCollection = new();
        Dictionary<int, List<(string, int)>> skipNotSkipCollection = new();
        List<LocationContainer<MetadataExtractor.Directory>> locationContainers = new();
        string? rootDirectoryParent = Path.GetDirectoryName(propertyConfiguration.RootDirectory);
        string eDistanceContentTicksDirectory = Path.Combine(eDistanceContentDirectory, $"({ticks})");
        ReadOnlyDictionary<int, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>> idThenWholePercentagesToPersonContainers;
        if (string.IsNullOrEmpty(rootDirectoryParent))
            throw new NullReferenceException(nameof(rootDirectoryParent));
        if (!Directory.Exists(eDistanceContentDirectory))
            _ = Directory.CreateDirectory(eDistanceContentDirectory);
        if (configuration is null)
        {
            readOnlyPersonKeyToCount = new(new Dictionary<long, int>());
            idThenWholePercentagesToPersonContainers = new(new Dictionary<int, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>>());
        }
        else
        {
            ReadOnlyCollection<string> readOnlyPersonKeyFormattedCollection;
            ReadOnlyDictionary<string, string> readOnlyPersonKeyFormattedToNewestPersonKeyFormatted;
            ReadOnlyDictionary<string, PersonContainer> readOnlyPersonKeyFormattedToPersonContainer;
            ReadOnlyDictionary<long, List<PersonContainer>> readOnlyPersonKeyToPersonContainerCollection;
            int copied = Stateless.MapLogic.CopyManualFiles(configuration, ticks, personContainers, eDistanceContentTicksDirectory);
            if (copied > 0)
                throw new Exception("Confirm Manual files and then restart!");
            Stateless.MapLogic.SetSkipCollections(configuration, personContainers, a2PeopleSingletonDirectory, skipCollection, skipNotSkipCollection);
            {
                List<string> personKeyFormattedCollection = new();
                Dictionary<string, string> personKeyFormattedToNewestPersonKeyFormatted = new();
                Stateless.MapLogic.SetPersonCollections(configuration, personContainers, personKeyFormattedToNewestPersonKeyFormatted, personKeyFormattedCollection);
                readOnlyPersonKeyFormattedCollection = new(personKeyFormattedCollection);
                readOnlyPersonKeyFormattedToNewestPersonKeyFormatted = new(personKeyFormattedToNewestPersonKeyFormatted);
            }
            List<Stateless.MapLogic.Record> records = Stateless.MapLogic.DeleteEmptyDirectoriesAndGetCollection(configuration, ticks, eDistanceContentDirectory, readOnlyPersonKeyFormattedToNewestPersonKeyFormatted, readOnlyPersonKeyFormattedCollection);
            ReadOnlyCollection<(Stateless.MapLogic.PersonKeyFormattedIdThenWholePercentages, PersonContainer)> readOnlyPossiblyNewPersonDisplayDirectoryNamesAndPersonContainer;
            locationContainers.AddRange(Stateless.MapLogic.GetLocationContainers(distance, maxDegreeOfParallelism, configuration, ticks, personContainers, eDistanceContentDirectory, skipCollection, records));
            int lossCount = records.Count - locationContainers.Count;
            ReadOnlyCollection<Stateless.MapLogic.PersonKeyFormattedIdThenWholePercentages> personKeyFormattedIdThenWholePercentagesCollection = Stateless.MapLogic.GetPersonKeyFormattedIdThenWholePercentages(configuration, ticks, records);
            int unableToMatchCount = records.Count - personKeyFormattedIdThenWholePercentagesCollection.Count;
            if (lossCount != 0 || unableToMatchCount != 0)
                if (lossCount != 0 || unableToMatchCount != 0)
                { }
            //
            {
                Dictionary<long, int> personKeyToCount = new();
                Dictionary<long, PersonContainer> personKeyToPersonContainer = new();
                Dictionary<string, PersonContainer> personKeyFormattedToPersonContainer = new();
                Dictionary<long, List<PersonContainer>> personKeyToPersonContainerCollection = new();
                List<(Stateless.MapLogic.PersonKeyFormattedIdThenWholePercentages, PersonContainer)> possiblyNewPersonDisplayDirectoryNamesAndPersonContainer = new();
                Stateless.MapLogic.SetKeyValuePairsAndAddToCollections(configuration,
                                                                       personContainers,
                                                                       personKeyToPersonContainer,
                                                                       personKeyFormattedIdThenWholePercentagesCollection,
                                                                       personKeyToCount,
                                                                       personKeyFormattedToPersonContainer,
                                                                       personKeyToPersonContainerCollection,
                                                                       possiblyNewPersonDisplayDirectoryNamesAndPersonContainer);
                readOnlyPersonKeyToCount = new(personKeyToCount);
                readOnlyPersonKeyFormattedToPersonContainer = new(personKeyFormattedToPersonContainer);
                readOnlyPersonKeyToPersonContainerCollection = new(personKeyToPersonContainerCollection);
                readOnlyPossiblyNewPersonDisplayDirectoryNamesAndPersonContainer = new(possiblyNewPersonDisplayDirectoryNamesAndPersonContainer);
                Stateless.MapLogic.SetPersonKeyToPersonContainer(configuration,
                                                                 personContainers,
                                                                 readOnlyPersonKeyToCount,
                                                                 personKeyToPersonContainer,
                                                                 readOnlyPersonKeyToPersonContainerCollection);
            }
            Stateless.MapLogic.PossiblyRebuildPersonContainers(configuration,
                                                               ticks,
                                                               a2PeopleSingletonDirectory,
                                                               readOnlyPersonKeyToCount,
                                                               readOnlyPossiblyNewPersonDisplayDirectoryNamesAndPersonContainer);
            idThenWholePercentagesToPersonContainers = Stateless.MapLogic.GetIdThenWholePercentagesToPersonContainers(configuration,
                                                                                                                      readOnlyPersonKeyFormattedToPersonContainer,
                                                                                                                      personKeyFormattedIdThenWholePercentagesCollection);
            notMappedPersonContainers.AddRange(Stateless.MapLogic.GetNotMappedPersonContainers(configuration,
                                                                                               ticks,
                                                                                               personContainers,
                                                                                               readOnlyPersonKeyToCount));
        }
        _PersonKeyToCount = readOnlyPersonKeyToCount;
        _EDistanceContentTicksDirectory = eDistanceContentTicksDirectory;
        _SkipCollection = Stateless.MapLogic.ConvertSkip(skipCollection);
        Stateless.MapLogic.CheckCollection(propertyConfiguration, rootDirectoryParent);
        _IdThenWholePercentagesToPersonContainers = idThenWholePercentagesToPersonContainers;
        _SkipNotSkipCollection = Stateless.MapLogic.ConvertSkipNotSkip(skipNotSkipCollection);
        _IdToLocationContainers = Stateless.MapLogic.ConvertLocationContainers(locationContainers);
        _NotMappedPersonContainers = new(notMappedPersonContainers.OrderByDescending(l => l.Key).ToArray());
    }

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

    public ReadOnlyCollection<LocationContainer<MetadataExtractor.Directory>> GetLocationContainers(Item item)
    {
        LocationContainer<MetadataExtractor.Directory>[] results;
        if (item.Property?.Id is null)
            results = Array.Empty<LocationContainer<MetadataExtractor.Directory>>();
        else
        {
            List<LocationContainer<MetadataExtractor.Directory>>? locationContainers;
            if (_IdToLocationContainers.TryGetValue(item.Property.Id.Value, out locationContainers))
                results = locationContainers.ToArray();
            else
                results = Array.Empty<LocationContainer<MetadataExtractor.Directory>>();
        }
        return new(results);
    }

    public ReadOnlyDictionary<long, List<int>> GetPersonKeyToIds()
    {
        Dictionary<long, List<int>> results = new();
        long personKey;
        const int zero = 0;
        List<int>? collection;
        PersonBirthday personBirthday;
        List<string> shouldMove = new();
        foreach (KeyValuePair<int, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>> idToCollection in _IdThenWholePercentagesToPersonContainers)
        {
            foreach (KeyValuePair<int, ReadOnlyCollection<PersonContainer>> wholePercentagesToPersonContainers in idToCollection.Value)
            {
                foreach (PersonContainer personContainer in wholePercentagesToPersonContainers.Value)
                {
                    if (personContainer.Key is null || personContainer.Birthdays is null || personContainer.Birthdays.Length == 0)
                        continue;
                    if (personContainer.DisplayDirectoryName.Contains(@"{}\~\"))
                        shouldMove.Add(personContainer.DisplayDirectoryName);
                    personBirthday = personContainer.Birthdays[zero];
                    personKey = personBirthday.Value.Ticks;
                    if (!results.TryGetValue(personKey, out collection))
                    {
                        results.Add(personKey, new());
                        if (!results.TryGetValue(personKey, out collection))
                            throw new Exception();
                    }
                    if (collection.Contains(idToCollection.Key))
                        continue;
                    collection.Add(idToCollection.Key);
                }
            }
        }
        if (shouldMove.Count > 0)
            throw new Exception(string.Join(Environment.NewLine, shouldMove));
        return new(results);
    }

    (bool, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>?) Shared.Models.Methods.IMapLogic.GetWholePercentagesToPersonContainers(int id)
    {
        bool result = _IdThenWholePercentagesToPersonContainers.TryGetValue(id, out ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>? wholePercentagesToPersonContainers);
        return new(result, wholePercentagesToPersonContainers);
    }

    public int UpdateMappingFromPerson(ReadOnlyCollection<string>? locationContainersFiles, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>? wholePercentagesToPersonContainers, Mapping mapping)
    {
        int result = 0;
        long personKey;
        const int zero = 0;
        string mappingSegmentB;
        PersonBirthday personBirthday;
        ReadOnlyCollection<PersonContainer>? personContainers;
        for (int i = 1; i < 2; i++)
        {
            if (mapping.MappingFromLocation is null)
                continue;
            if (wholePercentagesToPersonContainers is null)
            {
                if (mapping.MappingFromFilter.InSkipCollection is not null && mapping.MappingFromFilter.InSkipCollection.Value)
                    continue;
                result += 1;
                continue;
            }
            if (!wholePercentagesToPersonContainers.TryGetValue(mapping.MappingFromLocation.WholePercentages, out personContainers))
            {
                if (mapping.MappingFromFilter.InSkipCollection is not null && mapping.MappingFromFilter.InSkipCollection.Value)
                    continue;
                result += 1;
                continue;
            }
            foreach (PersonContainer personContainer in personContainers)
            {
                if (personContainer.Key is null || personContainer.Birthdays is null || personContainer.Birthdays.Length == 0)
                    continue;
                personBirthday = personContainer.Birthdays[zero];
                personKey = personBirthday.Value.Ticks;
                mappingSegmentB = Stateless.MapLogic.GetMappingSegmentB(_Ticks, personBirthday, personContainer.ApproximateYears, mapping.MappingFromItem);
                if (locationContainersFiles is null)
                    if (mapping.MappingFromPerson is null || mapping.MappingFromPerson.LocationContainersFiles.Count == 0)
                        locationContainersFiles = new(Array.Empty<string>());
                    else
                        locationContainersFiles = mapping.MappingFromPerson.LocationContainersFiles;
                mapping.UpdateMappingFromPerson(locationContainersFiles, personContainer.ApproximateYears, personContainer.DisplayDirectoryName, personBirthday, mappingSegmentB);
            }
        }
        return result;
    }

    private SaveContainer? GetMatchSaveContainer(string dFacesContentDirectory, string d2FacePartsContentDirectory, string directory, Mapping mapping)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        SaveContainer? result;
        if (mapping.MappingFromLocation is null)
            result = null;
        else
        {
            string checkFile;
            string facesDirectory = Stateless.MapLogic.GetFacesDirectory(_PropertyConfiguration, dFacesContentDirectory, mapping.MappingFromItem);
            FileHolder faceFileHolder = new(Path.Combine(facesDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}{_Configuration.FacesFileNameExtension}"));
            if (!faceFileHolder.Exists)
                result = null;
            else
            {
                string shortcutFile = string.Empty;
                string facePartsDirectory = Stateless.MapLogic.GetFacePartsDirectory(_PropertyConfiguration, d2FacePartsContentDirectory, mapping.MappingFromItem);
                checkFile = Path.Combine(directory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}");
                FileHolder hiddenFaceFileHolder = new(Path.Combine(facesDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}{_Configuration.FacesHiddenFileNameExtension}"));
                FileHolder facePartsFileHolder = new(Path.Combine(facePartsDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}{_Configuration.FacePartsFileNameExtension}"));
                result = new(checkFile, directory, faceFileHolder, hiddenFaceFileHolder, facePartsFileHolder, mapping.MappingFromItem.ResizedFileHolder, shortcutFile);
            }
        }
        return result;
    }

    private (long?, string?) GetDirectory(Configuration configuration, bool saveIndividually, int padLeft, string? segmentC, string by, MappingFromItem mappingFromItem)
    {
        long? ticks = null;
        const int zero = 0;
        string mappingSegmentB;
        string? directory = null;
        string personKeyFormatted;
        PersonBirthday personBirthday;
        PersonContainer personContainer;
        for (int i = _NotMappedPersonContainers.Count - 1; i > 0; i--)
        {
            personContainer = _NotMappedPersonContainers[i];
            if (personContainer.Key is null || personContainer.Birthdays is null || personContainer.Birthdays.Length == 0)
                continue;
            personBirthday = personContainer.Birthdays[zero];
            ticks = personBirthday.Value.Ticks;
            mappingSegmentB = Stateless.MapLogic.GetMappingSegmentB(_Ticks, personBirthday, personContainer.ApproximateYears, mappingFromItem);
            personKeyFormatted = IPersonBirthday.GetFormatted(configuration.PersonBirthdayFormat, personBirthday);
            if (!saveIndividually || segmentC is null)
                directory = Path.Combine(_EDistanceContentTicksDirectory, by, personKeyFormatted, mappingSegmentB);
            else
                directory = Path.Combine(_EDistanceContentTicksDirectory, by, segmentC.PadLeft(padLeft, '0'), personKeyFormatted, mappingSegmentB);
            _NotMappedPersonContainers.RemoveAt(i);
            break;
        }
        return (ticks, directory);
    }

    private List<SaveContainer> GetSaveContainers(string dFacesContentDirectory, string d2FacePartsContentDirectory, string d2FacePartsContentCollectionDirectory, ReadOnlyCollection<Mapping> mappingCollection, ReadOnlyDictionary<int, ReadOnlyDictionary<int, Mapping>> idToWholePercentagesToMapping, ReadOnlyDictionary<long, List<int>> personKeyToIds, int? useFiltersCounter, bool saveMapped, bool saveIndividually, bool sortingContainersAny)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        List<SaveContainer> results = new();
        string by;
        long? ticks;
        List<int>? ids;
        long personKey;
        bool isByMapping;
        bool isBySorting;
        string checkFile;
        string? directory;
        string shortcutFile;
        Mapping? keyMapping;
        string facesDirectory;
        string? directoryName;
        string personDirectory;
        FileHolder faceFileHolder;
        string facePartsDirectory;
        string personKeyFormatted;
        List<int> distinct = new();
        SaveContainer? saveContainer;
        FileHolder facePartsFileHolder;
        FileHolder hiddenFaceFileHolder;
        ReadOnlyDictionary<int, Mapping>? wholePercentagesToMapping;
        int padLeft = _Configuration.FaceDistancePermyriad.ToString().Length;
        string forceSingleImageHumanized = nameof(Shared.Models.Stateless.IMapLogic.ForceSingleImage).Humanize(LetterCasing.Title);
        foreach (Mapping mapping in mappingCollection)
        {
            if (mapping.MappingFromLocation is null)
                continue;
            directoryName = Path.GetDirectoryName(mapping.MappingFromItem.RelativePath);
            if (directoryName is null)
                throw new NotSupportedException();
            if (mapping.MappingFromFilter.InSkipCollection is not null && mapping.MappingFromFilter.InSkipCollection.Value)
                continue;
            (by, isByMapping, isBySorting) = Stateless.MapLogic.Get(useFiltersCounter, saveIndividually, sortingContainersAny, forceSingleImageHumanized, mapping);
            if (isByMapping && !saveMapped)
                continue;
            if (mapping.MappingFromPerson is null)
            {
                if (!_Configuration.SaveSortingWithoutPerson)
                    continue;
                if (mapping.SortingContainer is null)
                {
                    if (sortingContainersAny)
                        continue;
                    mapping.UpdateMappingFromUnknownPerson(saveIndividually, new(mapping, new(mapping, mapping.MappingFromLocation)));
                    if (mapping.SortingContainer is null)
                        continue;
                }
                if (distinct.Contains(mapping.MappingFromItem.Id))
                    continue;
                if (distinct.Contains(mapping.SortingContainer.Sorting.Id))
                    continue;
                (ticks, directory) = GetDirectory(_Configuration, saveIndividually, padLeft, mapping.SegmentC, by, mapping.MappingFromItem);
                if (ticks is null || string.IsNullOrEmpty(directory))
                    continue;
                personDirectory = Path.Combine(directory, $"X]{ticks}");
                if (saveIndividually)
                {
                    directory = Path.Combine(directory, mapping.MappingFromItem.Id.ToString());
                    results.Add(new(Path.Combine(directory, $"X]{ticks}")));
                }
                distinct.Add(mapping.MappingFromItem.Id);
                distinct.Add(mapping.SortingContainer.Sorting.Id);
            }
            else
            {
                if (string.IsNullOrEmpty(mapping.MappingFromPerson.SegmentB))
                    throw new NotSupportedException();
                if (string.IsNullOrEmpty(mapping.MappingFromPerson.DisplayDirectoryName))
                    throw new NotSupportedException();
                personKey = mapping.MappingFromPerson.PersonBirthday.Value.Ticks;
                personKeyFormatted = IPersonBirthday.GetFormatted(_Configuration.PersonBirthdayFormat, mapping.MappingFromPerson.PersonBirthday);
                if (string.IsNullOrEmpty(mapping.SegmentC))
                    directory = Path.Combine(_EDistanceContentTicksDirectory, by, personKeyFormatted, mapping.MappingFromPerson.SegmentB);
                else if (saveIndividually)
                    directory = Path.Combine(_EDistanceContentTicksDirectory, by, mapping.SegmentC.PadLeft(padLeft, '0'), personKeyFormatted, mapping.MappingFromPerson.SegmentB);
                else
                    directory = Path.Combine(_EDistanceContentTicksDirectory, by, personKeyFormatted, mapping.MappingFromPerson.SegmentB, mapping.SegmentC);
                if (isByMapping)
                    personDirectory = Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName);
                else if (mapping.By is not null)
                    personDirectory = Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName, "lnk");
                else
                    personDirectory = Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName[..1], "lnk");
                if (saveIndividually)
                {
                    directory = Path.Combine(directory, mapping.MappingFromItem.Id.ToString());
                    results.Add(new(Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName)));
                }
                if (isByMapping && personKeyToIds.TryGetValue(personKey, out ids))
                    results.Add(new(Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName, $"{ids.Count} Face(s)")));
            }
            results.Add(new(personDirectory));
            if (!isBySorting || mapping.SortingContainer is null)
                keyMapping = null;
            else
            {
                if (!idToWholePercentagesToMapping.TryGetValue(mapping.SortingContainer.Sorting.Id, out wholePercentagesToMapping))
                    continue;
                if (!wholePercentagesToMapping.TryGetValue(mapping.SortingContainer.Sorting.WholePercentages, out keyMapping))
                    continue;
                if (keyMapping.MappingFromLocation is null)
                    continue;
                if (saveIndividually && keyMapping.MappingFromLocation.WholePercentages == mapping.MappingFromLocation.WholePercentages)
                    results.Add(new(Path.Combine(directory, "Maybe")));
            }
            facesDirectory = Stateless.MapLogic.GetFacesDirectory(_PropertyConfiguration, dFacesContentDirectory, mapping.MappingFromItem);
            faceFileHolder = new(Path.Combine(facesDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}{_Configuration.FacesFileNameExtension}"));
            if (!faceFileHolder.Exists)
                continue;
            if (isByMapping)
            {
                checkFile = Path.Combine(personDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}");
                saveContainer = new(checkFile, directory, faceFileHolder);
            }
            else
                if (saveIndividually)
            {
                facePartsDirectory = Stateless.MapLogic.GetFacePartsDirectory(_PropertyConfiguration, d2FacePartsContentDirectory, mapping.MappingFromItem);
                facePartsFileHolder = new(Path.Combine(facePartsDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}{_Configuration.FacePartsFileNameExtension}"));
                (saveContainer, SaveContainer? extraSaveContainer) = Stateless.MapLogic.GetContainers(_Configuration.FacesFileNameExtension, _Configuration.FacePartsFileNameExtension, directory, faceFileHolder, facePartsFileHolder, mapping);
                if (extraSaveContainer is not null)
                    results.Add(extraSaveContainer);
            }
            else
            {
                facePartsDirectory = Stateless.MapLogic.GetFacePartsDirectory(_PropertyConfiguration, d2FacePartsContentDirectory, mapping.MappingFromItem);
                shortcutFile = Path.Combine(personDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}.lnk");
                checkFile = Path.Combine(directory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}");
                hiddenFaceFileHolder = new(Path.Combine(facesDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}{_Configuration.FacesHiddenFileNameExtension}"));
                facePartsFileHolder = new(Path.Combine(facePartsDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}{_Configuration.FacePartsFileNameExtension}"));
                saveContainer = new(checkFile, directory, faceFileHolder, hiddenFaceFileHolder, facePartsFileHolder, mapping.MappingFromItem.ResizedFileHolder, shortcutFile);
                if (!isByMapping && mapping.By is not null && mapping.MappingFromPerson?.LocationContainersFiles.Count > 0 && IPerson.IsDefaultName(mapping.MappingFromPerson))
                    results.Add(new(Path.GetDirectoryName(personDirectory) ?? personDirectory, mapping.MappingFromPerson.LocationContainersFiles[0]));
            }
            results.Add(saveContainer);
            if (!isBySorting || mapping.SortingContainer is null || keyMapping is null)
                continue;
            if (!saveIndividually && isBySorting && mapping.MappingFromPerson is null)
            {
                saveContainer = GetMatchSaveContainer(dFacesContentDirectory, d2FacePartsContentDirectory, directory, keyMapping);
                if (saveContainer is not null)
                    results.Add(saveContainer);
            }
            if (!saveIndividually)
                saveContainer = Stateless.MapLogic.GetDebugSaveContainer(directory, mapping.MappingFromPerson, mapping.SortingContainer, keyMapping);
            else
            {
                (saveContainer, SaveContainer? extraSaveContainer) = Stateless.MapLogic.GetContainers(_Configuration.FacesFileNameExtension, _Configuration.FacePartsFileNameExtension, _PropertyConfiguration, dFacesContentDirectory, d2FacePartsContentCollectionDirectory, directory, mapping.SortingContainer, keyMapping);
                if (saveContainer is null || extraSaveContainer is null)
                    continue;
                results.Add(extraSaveContainer);
            }
            results.Add(saveContainer);
        }
        return results;
    }

    public List<SaveContainer> GetSaveContainers(bool saveIndividually, string dFacesContentDirectory, string d2FacePartsContentDirectory, string d2FacePartsContentCollectionDirectory, ReadOnlyCollection<Mapping> mappingCollection, ReadOnlyDictionary<int, ReadOnlyDictionary<int, Mapping>> idToWholePercentagesToMapping, int? useFiltersCounter, bool sortingContainersAny)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        List<SaveContainer> results;
        bool saveMapped = false;
        ReadOnlyDictionary<long, List<int>> personKeyToIds = new(new Dictionary<long, List<int>>());
        results = GetSaveContainers(dFacesContentDirectory, d2FacePartsContentDirectory, d2FacePartsContentCollectionDirectory, mappingCollection, idToWholePercentagesToMapping, personKeyToIds, useFiltersCounter, saveMapped, saveIndividually, sortingContainersAny);
        return results;
    }

    public void SaveMapped(string dFacesContentDirectory, string d2FacePartsContentDirectory, string d2FacePartsContentCollectionDirectory, ReadOnlyDictionary<long, List<int>> personKeyToIds, ReadOnlyCollection<Mapping> mappingCollection, ReadOnlyDictionary<int, ReadOnlyDictionary<int, Mapping>> idToWholePercentagesToMapping)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        int? updated = null;
        bool saveMapped = true;
        int? useFiltersCounter = null;
        bool saveIndividually = false;
        string mappingDirectory = Path.Combine(_EDistanceContentTicksDirectory, nameof(Shared.Models.Stateless.IMapLogic.Mapping));
        List<SaveContainer> saveContainers = GetSaveContainers(dFacesContentDirectory, d2FacePartsContentDirectory, d2FacePartsContentCollectionDirectory, mappingCollection, idToWholePercentagesToMapping, personKeyToIds, useFiltersCounter, saveMapped, sortingContainersAny: true, saveIndividually: false);
        SaveContainers(saveIndividually, updated, saveContainers);
        if (!string.IsNullOrEmpty(_EDistanceContentTicksDirectory) && Directory.Exists(mappingDirectory))
            Stateless.MapLogic.SaveMappingShortcuts(mappingDirectory);
    }

    public List<Sorting> GetSortingCollection(int i, FaceDistance faceDistanceEncoding, Face face, List<FaceDistance> faceDistanceLengths)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        List<Sorting> results = new();
        Sorting sorting;
        FaceDistance faceDistanceLength;
        List<int>? wholePercentagesCollection;
        bool skipNotSkipCollectionAny = _SkipNotSkipCollection.Count > 0;
        for (int j = 0; j < faceDistanceLengths.Count; j++)
        {
            if (faceDistanceEncoding.WholePercentages is null)
                throw new NotSupportedException();
            if (face.Mapping?.MappingFromFilter is null)
                throw new NotSupportedException();
            if (j == i)
                continue;
            if (_SkipCollection.TryGetValue(faceDistanceEncoding.Id, out wholePercentagesCollection) && wholePercentagesCollection.Contains(faceDistanceEncoding.WholePercentages.Value))
                continue;
            if (skipNotSkipCollectionAny && (!_SkipNotSkipCollection.TryGetValue(faceDistanceEncoding.Id, out wholePercentagesCollection) || !wholePercentagesCollection.Contains(faceDistanceEncoding.WholePercentages.Value)))
                continue;
            if (face.Mapping.MappingFromFilter.IsUsed is not null && face.Mapping.MappingFromFilter.IsUsed.Value)
                continue;
            faceDistanceLength = faceDistanceLengths[j];
            if (faceDistanceLength.WholePercentages is null || faceDistanceLength.Length is null)
                throw new NotSupportedException();
            if (faceDistanceLength.Length == 0)
                continue;
            sorting = ISorting.Get(_Configuration.FaceDistancePermyriad, _Configuration.RangeDistanceTolerance, faceDistanceEncoding, faceDistanceLength);
            if (sorting.DistancePermyriad == 0)
                continue;
            if (sorting.Id == faceDistanceEncoding.Id)
            {
                if (sorting.WholePercentages == faceDistanceEncoding.WholePercentages.Value)
                    continue;
                continue;
            }
            results.Add(sorting);
        }
        return results;
    }

    public int UpdateFromSortingContainers(bool saveIndividually, ReadOnlyDictionary<int, ReadOnlyDictionary<int, Mapping>> idToWholePercentagesToMapping, Shared.Models.Methods.IDistanceLimits distanceLimits, SortingContainer[] sortingContainers)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        if (distanceLimits is not null)
        {
            string counts = distanceLimits.GetCounts();
            _ = Directory.CreateDirectory(Path.Combine(_EDistanceContentTicksDirectory, counts));
        }
        int result = 0;
        string key;
        Mapping? mapping;
        const int zero = 0;
        string mappingSegmentB;
        string personKeyFormatted;
        PersonBirthday personBirthday;
        List<int>? wholePercentagesCollectionForA;
        List<int>? wholePercentagesCollectionForB;
        Dictionary<string, int> keyToCount = new();
        Dictionary<string, string> keyToSegmentC = new();
        ReadOnlyCollection<PersonContainer>? personContainers;
        ReadOnlyDictionary<int, Mapping>? wholePercentagesToMapping;
        Dictionary<int, List<int>> idToWholePercentagesCollectionForA = new();
        Dictionary<int, List<int>> idToWholePercentagesCollectionForB = new();
        int totalSeconds = (int)Math.Floor(new TimeSpan(DateTime.Now.Ticks - _Ticks).TotalSeconds);
        ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>? wholePercentagesToPersonContainers;
        string message = $") {sortingContainers.Length:000} Update From Sorting Container(s) - {totalSeconds} total second(s)";
        ProgressBarOptions options = new() { ProgressCharacter = '─', ProgressBarOnBottom = true, DisableBottomPercentage = true };
        using ProgressBar progressBar = new(sortingContainers.Length, message, options);
        foreach (SortingContainer sortingContainer in sortingContainers)
        {
            progressBar.Tick();
            if (sortingContainer.Mapping?.MappingFromLocation is null)
                throw new NotSupportedException();
            if (!idToWholePercentagesCollectionForA.TryGetValue(sortingContainer.Mapping.MappingFromItem.Id, out wholePercentagesCollectionForA))
            {
                idToWholePercentagesCollectionForA.Add(sortingContainer.Mapping.MappingFromItem.Id, new());
                if (!idToWholePercentagesCollectionForA.TryGetValue(sortingContainer.Mapping.MappingFromItem.Id, out wholePercentagesCollectionForA))
                    throw new Exception();
            }
            if (!idToWholePercentagesCollectionForB.TryGetValue(sortingContainer.Mapping.MappingFromItem.Id, out wholePercentagesCollectionForB))
            {
                idToWholePercentagesCollectionForB.Add(sortingContainer.Mapping.MappingFromItem.Id, new());
                if (!idToWholePercentagesCollectionForB.TryGetValue(sortingContainer.Mapping.MappingFromItem.Id, out wholePercentagesCollectionForB))
                    throw new Exception();
            }
            if (!_IdThenWholePercentagesToPersonContainers.TryGetValue(sortingContainer.Sorting.Id, out wholePercentagesToPersonContainers) || !wholePercentagesToPersonContainers.TryGetValue(sortingContainer.Sorting.WholePercentages, out personContainers))
            {
                if (!_Configuration.SaveSortingWithoutPerson)
                    continue;
                if (wholePercentagesCollectionForA.Contains(sortingContainer.Mapping.MappingFromLocation.WholePercentages))
                    continue;
                sortingContainer.Mapping.UpdateMappingFromUnknownPerson(saveIndividually, sortingContainer);
                wholePercentagesCollectionForA.Add(sortingContainer.Mapping.MappingFromLocation.WholePercentages);
                result += 1;
            }
            else
            {
                if (wholePercentagesCollectionForB.Contains(sortingContainer.Mapping.MappingFromLocation.WholePercentages))
                    continue;
                foreach (PersonContainer personContainer in personContainers)
                {
                    if (personContainer.Key is null || personContainer.Birthdays is null || personContainer.Birthdays.Length == 0)
                        continue;
                    personBirthday = personContainer.Birthdays[zero];
                    personKeyFormatted = IPersonBirthday.GetFormatted(_Configuration.PersonBirthdayFormat, personBirthday);
                    mappingSegmentB = Stateless.MapLogic.GetMappingSegmentB(_Ticks, personBirthday, personContainer.ApproximateYears, sortingContainer.Mapping.MappingFromItem);
                    key = string.Concat(personKeyFormatted, '\t', mappingSegmentB);
                    if (!keyToCount.ContainsKey(key))
                        keyToCount.Add(key, new());
                    if (!keyToCount.ContainsKey(key))
                        keyToCount.Add(key, 0);
                    if (!keyToSegmentC.ContainsKey(key))
                        keyToSegmentC.Add(key, string.Empty);
                    keyToCount[key]++;
                    if (saveIndividually || keyToCount[key] > _Configuration.SortingMaximumPerKey)
                    {
                        keyToCount[key] = 0;
                        keyToSegmentC[key] = sortingContainer.Sorting.DistancePermyriad.ToString();
                    }
                    if (!idToWholePercentagesToMapping.TryGetValue(sortingContainer.Sorting.Id, out wholePercentagesToMapping))
                        continue;
                    if (!wholePercentagesToMapping.TryGetValue(sortingContainer.Sorting.WholePercentages, out mapping))
                        continue;
                    if (mapping.MappingFromPerson is null)
                        continue;
                    sortingContainer.Mapping.UpdateMappingFromPerson(personContainer.ApproximateYears, personContainer.DisplayDirectoryName, personBirthday, mappingSegmentB, keyToSegmentC[key], sortingContainer, mapping.MappingFromPerson.LocationContainersFiles);
                    wholePercentagesCollectionForB.Add(sortingContainer.Mapping.MappingFromLocation.WholePercentages);
                    result += 1;
                    break;
                }
            }
        }
        return result;
    }

    private (string, PersonBirthday?) GetPersonBirthday(string[] directoryNames)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        PersonBirthday? personBirthday = null;
        string personKeyFormatted = string.Empty;
        foreach (string directoryName in directoryNames)
        {
            personBirthday = IPersonBirthday.GetPersonBirthday(_Configuration.PersonBirthdayFormat, directoryName);
            if (personBirthday is not null)
            {
                personKeyFormatted = directoryName;
                break;
            }
        }
        return new(personKeyFormatted, personBirthday);
    }

    private (string, PersonBirthday?) GetPersonBirthday(string windowsShortcutPath)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        string[] directoryNames = IPath.GetDirectoryNames(windowsShortcutPath);
        (string personKeyFormatted, PersonBirthday? personBirthday) = GetPersonBirthday(directoryNames);
        if (personBirthday is null)
        {
            string[] directories = Directory.GetDirectories(windowsShortcutPath, "*", SearchOption.TopDirectoryOnly);
            foreach (string directory in directories)
            {
                directoryNames = IPath.GetDirectoryNames(directory);
                (personKeyFormatted, personBirthday) = GetPersonBirthday(directoryNames);
                if (personBirthday is not null)
                    break;
            }
        }
        return new(personKeyFormatted, personBirthday);
    }

    private List<string> GetPersonKeyFormattedCollection(string[] jLinks, string a2PeopleContentDirectory, ReadOnlyCollection<PersonContainer> personContainers, ReadOnlyDictionary<long, List<int>> personKeyToIds)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        List<string> results = new();
        string[] files;
        string checkDirectory;
        string[] checkDirectories;
        string personKeyFormatted;
        PersonContainer[] matches;
        PersonBirthday? personBirthday;
        string fileNameWithoutExtension;
        WindowsShortcut windowsShortcut;
        List<(long, string)> collection = new();
        foreach (string directoryName in jLinks)
        {
            checkDirectory = Path.Combine(a2PeopleContentDirectory, directoryName);
            if (!Directory.Exists(checkDirectory))
                continue;
            checkDirectories = Directory.GetDirectories(checkDirectory, "*", SearchOption.TopDirectoryOnly);
            files = Directory.GetFiles(checkDirectory, "*.lnk", SearchOption.TopDirectoryOnly);
            foreach (string file in files)
            {
                collection.Clear();
                windowsShortcut = WindowsShortcut.Load(file);
                fileNameWithoutExtension = Path.GetFileNameWithoutExtension(file);
                if (string.IsNullOrEmpty(windowsShortcut.Path))
                    continue;
                if (!Directory.Exists(windowsShortcut.Path))
                {
                    if (files.Length != checkDirectories.Length)
                        throw new NotSupportedException(fileNameWithoutExtension);
                    continue;
                }
                (personKeyFormatted, personBirthday) = GetPersonBirthday(windowsShortcut.Path);
                if (personBirthday is null)
                    throw new NotSupportedException(fileNameWithoutExtension);
                if (!personKeyToIds.ContainsKey(personBirthday.Value.Ticks))
                    collection.Add(new(personBirthday.Value.Ticks, Path.Combine(checkDirectory, personKeyFormatted, fileNameWithoutExtension)));
                else
                    collection.Add(new(personBirthday.Value.Ticks, Path.Combine(checkDirectory, personKeyFormatted, fileNameWithoutExtension, $"{personKeyToIds[personBirthday.Value.Ticks].Count} Face(s)")));
                foreach ((long personKey, string displayDirectoryName) in collection)
                {
                    matches = (from l in personContainers where l.Key == personKey && l.ApproximateYears.HasValue select l).ToArray();
                    if (matches.Length == 0)
                        continue;
                    personKeyFormatted = IPersonBirthday.GetFormatted(_Configuration.PersonBirthdayFormat, personKey);
                    if (!displayDirectoryName.Contains(personKeyFormatted))
                        continue;
                    if (!Directory.Exists(displayDirectoryName))
                        _ = Directory.CreateDirectory(displayDirectoryName);
                    results.Add(personKeyFormatted);
                }
            }
        }
        return results;
    }

    private (int, FileHolder, int, string, string, string, string)[] GetCollectionForSaveFilteredOriginalImagesFromJLinks(string[] jLinks, string a2PeopleContentDirectory, ReadOnlyCollection<PersonContainer> personContainers, ReadOnlyCollection<Mapping> mappingCollection, ReadOnlyDictionary<long, List<int>> personKeyToIds)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        (int, FileHolder, int, string, string, string, string)[] results;
        int count = 0;
        int group = 65;
        string checkFile;
        string directory;
        string? directoryName;
        string personDirectory;
        string personKeyFormatted;
        List<int> distinctCollection = new();
        bool usePersonKeyAndDeterministicHashCodeKey = false;
        List<string> personKeyFormattedCollection = GetPersonKeyFormattedCollection(jLinks, a2PeopleContentDirectory, personContainers, personKeyToIds);
        List<(int Id, FileHolder ImageFileHolder, int ApproximateYears, string PersonKeyFormatted, string CheckFile, string Directory, string PersonDirectory)> collection = new();
        foreach (Mapping mapping in mappingCollection)
        {
            if (distinctCollection.Contains(mapping.MappingFromItem.Id))
                continue;
            directoryName = Path.GetDirectoryName(mapping.MappingFromItem.RelativePath);
            if (directoryName is null)
                throw new NotSupportedException();
            if (mapping.By is null or Shared.Models.Stateless.IMapLogic.Sorting)
                continue;
            if (mapping.MappingFromPerson?.ApproximateYears is null || mapping.MappingFromLocation is null)
                continue;
            if (string.IsNullOrEmpty(mapping.MappingFromPerson.SegmentB))
                throw new NotSupportedException();
            if (string.IsNullOrEmpty(mapping.MappingFromPerson.DisplayDirectoryName))
                throw new NotSupportedException();
            personKeyFormatted = IPersonBirthday.GetFormatted(_Configuration.PersonBirthdayFormat, mapping.MappingFromPerson.PersonBirthday);
            if (personKeyFormatted == "1501-04-10_00")
                continue;
            if (!personKeyFormattedCollection.Contains(personKeyFormatted))
                continue;
            if (!usePersonKeyAndDeterministicHashCodeKey)
            {
                if (count > 499)
                {
                    count = 0;
                    group += 1;
                }
                directory = Path.Combine(_EDistanceContentTicksDirectory, ((char)group).ToString());
                personDirectory = Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName);
                checkFile = Path.Combine(directory, $"{mapping.MappingFromItem.Id}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}");
            }
            else
            {
                directory = Path.Combine(_EDistanceContentTicksDirectory, "Images", personKeyFormatted);
                personDirectory = Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName);
                checkFile = Path.Combine(directory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}");
            }
            collection.Add(new(mapping.MappingFromItem.Id, mapping.MappingFromItem.ImageFileHolder, mapping.MappingFromPerson.ApproximateYears.Value, personKeyFormatted, directory, personDirectory, checkFile));
            distinctCollection.Add(mapping.MappingFromItem.Id);
            count += 1;
        }
        results = (from l in collection orderby l.ApproximateYears descending, l.PersonKeyFormatted descending select l).ToArray();
        return results;
    }

    public void SaveFilteredOriginalImagesFromJLinks(string[] jLinks, ReadOnlyCollection<PersonContainer> personContainers, string a2PeopleContentDirectory, ReadOnlyDictionary<long, List<int>> personKeyToIds, ReadOnlyCollection<Mapping> mappingCollection)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        SaveContainer? saveContainer;
        bool saveIndividually = false;
        List<SaveContainer> saveContainers = new();
        (int, FileHolder, int, string, string, string, string)[] collection = GetCollectionForSaveFilteredOriginalImagesFromJLinks(jLinks, a2PeopleContentDirectory, personContainers, mappingCollection, personKeyToIds);
        foreach ((int id, FileHolder imageFileHolder, int approximateYears, string personKeyFormatted, string directory, string personDirectory, string checkFile) in collection)
        {
            saveContainer = new(personDirectory);
            saveContainers.Add(saveContainer);
            saveContainer = new(imageFileHolder, checkFile, directory);
            saveContainers.Add(saveContainer);
        }
        SaveContainers(saveIndividually, null, saveContainers);
    }

    public void SaveShortcutsForOutputResolutionsPreMapLogic(string eDistanceContentDirectory, ReadOnlyDictionary<long, List<int>> personKeyToIds, ReadOnlyCollection<Mapping> mappingCollection)
    {
        string hiddenFile;
        WindowsShortcut windowsShortcut;
        List<SaveShortcutsForOutputResolutions> collection = new();
        collection = GetCollectionForSaveShortcutsForOutputResolutionsPreMapLogic(eDistanceContentDirectory, personKeyToIds, mappingCollection);
        string[] distinctDirectories = (from l in collection select l.Directory).Distinct().ToArray();
        foreach (string directory in distinctDirectories)
        {
            if (string.IsNullOrEmpty(directory))
                continue;
            if (!Directory.Exists(directory))
                _ = Directory.CreateDirectory(directory);
        }
        foreach (SaveShortcutsForOutputResolutions s in collection)
        {
            hiddenFile = $"{s.FileName}.lvs";
            if (File.Exists(hiddenFile))
                continue;
            if (s.Description is not null)
            {
                File.WriteAllLines(hiddenFile, new string[] { s.FullName, s.Description });
                File.SetAttributes(hiddenFile, FileAttributes.Hidden);
                File.SetLastWriteTime(hiddenFile, s.DateTime);
            }
            if (File.Exists(s.FileName))
                continue;
            try
            {
                windowsShortcut = new() { Path = s.FullName, Description = s.Description };
                windowsShortcut.Save(s.FileName);
                windowsShortcut.Dispose();
                File.SetLastWriteTime(s.FileName, s.DateTime);
            }
            catch (Exception)
            { }
        }
    }

    private (List<(string, DateTime[])>, List<SaveShortcutsForOutputResolutions>) GetCollectionForSaveShortcutsForOutputResolutionsDuringMapLogic(ReadOnlyDictionary<long, List<int>> personKeyToIds, string dFacesContentDirectory, ReadOnlyCollection<Item> filteredItems, ReadOnlyCollection<Mapping> mappingCollection)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        long personKey;
        string fileName;
        string fullName;
        string directory;
        string facesDirectory;
        string? directoryName;
        string personDirectory;
        string personKeyFormatted;
        List<string> distinct = new();
        List<SaveShortcutsForOutputResolutions> collection = new();
        List<(string, DateTime[])> directoriesAndDateTimes = new();
        foreach (Item item in filteredItems)
        {
            if (item.ResizedFileHolder is null)
                continue;
            if (item.Faces.Any(l => l.FaceEncoding is not null))
                continue;
            foreach (Face face in item.Faces)
            {
                if (face.Mapping is null)
                    continue;
                directoryName = Path.GetDirectoryName(face.Mapping.MappingFromItem.RelativePath);
                if (directoryName is null)
                    throw new NotSupportedException();
                if (item.ResizedFileHolder?.DirectoryName is null || !item.ResizedFileHolder.Exists || item.ImageFileHolder.LastWriteTime is null)
                    continue;
                directory = Path.Combine(item.ResizedFileHolder.DirectoryName, $"{_PropertyConfiguration.ResultAllInOne}Shortcuts", _PropertyConfiguration.ResultAllInOne);
                personDirectory = Path.Combine(directory, "No Faces");
                fileName = Path.Combine(personDirectory, $"{item.ResizedFileHolder.Name}.lnk");
                collection.Add(new(item.ResizedFileHolder.FullName, personDirectory, item.ImageFileHolder.LastWriteTime.Value, fileName, face.Mapping.MappingFromItem.Id.ToString(), MakeAllHidden: false));
                if (face.Mapping.MappingFromItem.ContainerDateTimes.Length > 0 && !distinct.Contains(item.ResizedFileHolder.DirectoryName))
                {
                    distinct.Add(item.ResizedFileHolder.DirectoryName);
                    directoriesAndDateTimes.Add(new(item.ResizedFileHolder.DirectoryName, face.Mapping.MappingFromItem.ContainerDateTimes));
                }
            }
        }
        foreach (Mapping mapping in mappingCollection)
        {
            directoryName = Path.GetDirectoryName(mapping.MappingFromItem.RelativePath);
            if (directoryName is null)
                throw new NotSupportedException();
            if (mapping.MappingFromItem.ResizedFileHolder.DirectoryName is null || !mapping.MappingFromItem.ResizedFileHolder.Exists)
                continue;
            if (mapping.By is null or Shared.Models.Stateless.IMapLogic.Sorting || mapping.MappingFromPerson?.ApproximateYears is null)
            {
                if (mapping.MappingFromItem.ContainerDateTimes.Length > 0 && !distinct.Contains(mapping.MappingFromItem.ResizedFileHolder.DirectoryName))
                {
                    distinct.Add(mapping.MappingFromItem.ResizedFileHolder.DirectoryName);
                    directoriesAndDateTimes.Add(new(mapping.MappingFromItem.ResizedFileHolder.DirectoryName, mapping.MappingFromItem.ContainerDateTimes));
                }
                directory = Path.Combine(mapping.MappingFromItem.ResizedFileHolder.DirectoryName, $"{_PropertyConfiguration.ResultAllInOne}Shortcuts", _PropertyConfiguration.ResultAllInOne);
                personDirectory = Path.Combine(directory, "Unknown");
                fileName = Path.Combine(personDirectory, $"{mapping.MappingFromItem.ResizedFileHolder.Name}.lnk");
                collection.Add(new(mapping.MappingFromItem.ResizedFileHolder.FullName, personDirectory, mapping.MappingFromItem.GetDateTimeOriginalThenMinimumDateTime(), fileName, mapping.MappingFromLocation?.DeterministicHashCodeKey, MakeAllHidden: false));
                facesDirectory = Stateless.MapLogic.GetFacesDirectory(_PropertyConfiguration, dFacesContentDirectory, mapping.MappingFromItem);
                if (mapping.MappingFromLocation is null)
                    continue;
                fullName = Path.Combine(facesDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ImageFileHolder.ExtensionLowered}{_Configuration.FacesFileNameExtension}");
                fileName = Path.Combine(personDirectory, $"{mapping.MappingFromLocation.DeterministicHashCodeKey}{mapping.MappingFromItem.ResizedFileHolder.ExtensionLowered}{_Configuration.FacesFileNameExtension}.lnk");
                collection.Add(new(fullName, personDirectory, mapping.MappingFromItem.GetDateTimeOriginalThenMinimumDateTime(), fileName, mapping.MappingFromLocation.DeterministicHashCodeKey, MakeAllHidden: true));
            }
            else
            {
                if (string.IsNullOrEmpty(mapping.MappingFromPerson.SegmentB))
                    throw new NotSupportedException();
                if (string.IsNullOrEmpty(mapping.MappingFromPerson.DisplayDirectoryName))
                    throw new NotSupportedException();
                personKeyFormatted = IPersonBirthday.GetFormatted(_Configuration.PersonBirthdayFormat, mapping.MappingFromPerson.PersonBirthday);
                personKey = mapping.MappingFromPerson.PersonBirthday.Value.Ticks;
                if (mapping.MappingFromItem.ContainerDateTimes.Length > 0 && !distinct.Contains(mapping.MappingFromItem.ResizedFileHolder.DirectoryName))
                {
                    distinct.Add(mapping.MappingFromItem.ResizedFileHolder.DirectoryName);
                    directoriesAndDateTimes.Add(new(mapping.MappingFromItem.ResizedFileHolder.DirectoryName, mapping.MappingFromItem.ContainerDateTimes));
                }
                directory = Path.Combine(mapping.MappingFromItem.ResizedFileHolder.DirectoryName, $"{_PropertyConfiguration.ResultAllInOne}Shortcuts", personKeyFormatted);
                if (!personKeyToIds.ContainsKey(personKey))
                    personDirectory = Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName);
                else
                    personDirectory = Path.Combine(directory, mapping.MappingFromPerson.DisplayDirectoryName, $"{personKeyToIds[personKey].Count} Face(s)");
                fileName = Path.Combine(directory, $"{mapping.MappingFromItem.ResizedFileHolder.Name}.lnk");
                collection.Add(new(mapping.MappingFromItem.ResizedFileHolder.FullName, personDirectory, mapping.MappingFromItem.GetDateTimeOriginalThenMinimumDateTime(), fileName, mapping.MappingFromLocation?.DeterministicHashCodeKey, MakeAllHidden: false));
            }
        }
        return new(directoriesAndDateTimes, collection);
    }

    public void SaveShortcutsForOutputResolutionsDuringMapLogic(ReadOnlyCollection<Container> containers, ReadOnlyDictionary<long, List<int>> personKeyToIds, string dFacesContentDirectory, ReadOnlyCollection<Mapping> mappingCollection)
    {
        if (_Configuration is null)
            throw new NullReferenceException(nameof(_Configuration));
        WindowsShortcut windowsShortcut;
        List<(string, DateTime[])> directoriesAndDateTimes;
        List<SaveShortcutsForOutputResolutions> collection;
        ReadOnlyCollection<Item> filteredItems = IContainer.GetItems(_PropertyConfiguration, containers, distinctItems: true, filterItems: true);
        (directoriesAndDateTimes, collection) = GetCollectionForSaveShortcutsForOutputResolutionsDuringMapLogic(personKeyToIds, dFacesContentDirectory, filteredItems, mappingCollection);
        string[] directories = (from l in collection select l.Directory).Distinct().ToArray();
        foreach (string directory in directories)
        {
            if (string.IsNullOrEmpty(directory))
                continue;
            if (!Directory.Exists(directory))
                _ = Directory.CreateDirectory(directory);
        }
        foreach (SaveShortcutsForOutputResolutions s in collection)
        {
            if (File.Exists(s.FileName))
                continue;
            try
            {
                windowsShortcut = new() { Path = s.FullName, Description = s.Description };
                windowsShortcut.Save(s.FileName);
                windowsShortcut.Dispose();
                if (s.MakeAllHidden)
                    File.SetAttributes(s.FileName, FileAttributes.Hidden);
                File.SetLastWriteTime(s.FileName, s.DateTime);
            }
            catch (Exception)
            { }
        }
        foreach ((string directory, DateTime[] dateTimes) in directoriesAndDateTimes)
        {
            if (dateTimes.Length == 0)
                continue;
            Directory.SetCreationTime(directory, dateTimes[0]);
            Directory.SetLastWriteTime(directory, dateTimes[1]);
        }
    }

    public ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>? GetWholePercentagesToPersonContainers(int? id)
    {
        ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>? result;
        if (id is null)
            result = null;
        else
            _ = _IdThenWholePercentagesToPersonContainers.TryGetValue(id.Value, out result);
        return result;
    }

    public bool InSkipCollection(int id, MappingFromLocation mappingFromLocation) =>
        _SkipCollection.TryGetValue(id, out List<int>? wholePercentagesCollection) && wholePercentagesCollection.Contains(mappingFromLocation.WholePercentages);

    public bool? IsFocusPerson(int? skipPersonWithMoreThen, List<(string Directory, long PersonKey)> jLinkResolvedDirectories, ReadOnlyDictionary<int, ReadOnlyCollection<PersonContainer>>? wholePercentagesToPersonContainers, MappingFromLocation mappingFromLocation)
    {
        bool? result;
        ReadOnlyCollection<PersonContainer>? personContainers;
        if (skipPersonWithMoreThen is null && jLinkResolvedDirectories.Count == 0)
            result = null;
        else if (wholePercentagesToPersonContainers is null)
            result = null;
        else if (!wholePercentagesToPersonContainers.TryGetValue(mappingFromLocation.WholePercentages, out personContainers))
            result = null;
        else
        {
            result = false;
            foreach (PersonContainer personContainer in personContainers)
            {
                if (personContainer.Key is null)
                    continue;
                if (skipPersonWithMoreThen is not null && _PersonKeyToCount.TryGetValue(personContainer.Key.Value, out int count) && count > 2 && count < skipPersonWithMoreThen.Value)
                {
                    result = true;
                    break;
                }
                if (jLinkResolvedDirectories.Any(l => personContainer.Key.Value == l.PersonKey))
                {
                    result = true;
                    break;
                }
            }
        }
        return result;
    }

    public void LookForAbandoned(Property.Models.Configuration propertyConfiguration, string bResultsFullGroupDirectory, Container[] containers, string cResultsFullGroupDirectory, string dResultsFullGroupDirectory, string d2ResultsFullGroupDirectory)
    {
        string[] directories;
        string? directoryName;
        List<int> distinctFilteredIds = IContainer.GetFilteredDistinctIds(propertyConfiguration, containers);
        LookForAbandoned(propertyConfiguration, distinctFilteredIds);
        Stateless.MapLogic.LookForAbandoned(bResultsFullGroupDirectory, distinctFilteredIds);
        directories = Directory.GetDirectories(cResultsFullGroupDirectory, "*", SearchOption.TopDirectoryOnly);
        foreach (string directory in directories)
        {
            directoryName = Path.GetFileName(directory);
            if (string.IsNullOrEmpty(directoryName) || directoryName.Length != 2 && directoryName.Length != 4)
                continue;
            Stateless.MapLogic.LookForAbandoned(distinctFilteredIds, directory, directoryName);
        }
        directories = Directory.GetDirectories(dResultsFullGroupDirectory, "*", SearchOption.TopDirectoryOnly);
        foreach (string directory in directories)
        {
            directoryName = Path.GetFileName(directory);
            if (string.IsNullOrEmpty(directoryName) || directoryName.Length != 2 && directoryName.Length != 4)
                continue;
            Stateless.MapLogic.LookForAbandoned(distinctFilteredIds, directory, directoryName);
        }
        directories = Directory.GetDirectories(d2ResultsFullGroupDirectory, "*", SearchOption.TopDirectoryOnly);
        foreach (string directory in directories)
        {
            directoryName = Path.GetFileName(directory);
            if (string.IsNullOrEmpty(directoryName) || directoryName.Length != 2 && directoryName.Length != 4)
                continue;
            Stateless.MapLogic.LookForAbandoned(distinctFilteredIds, directory, directoryName);
        }
    }

}