using View_by_Distance.Shared.Models.Stateless.Methods;

namespace View_by_Distance.Map.Models.Stateless;

internal abstract class LookForAbandonedLogic
{

    internal static void LookForAbandoned(Property.Models.Configuration propertyConfiguration, List<int> distinctFilteredIds, string directory, string directoryName)
    {
        string fileNameWithoutExtension;
        bool nameWithoutExtensionIsIdFormat;
        List<string> renameCollection = [];
        bool nameWithoutExtensionIsPaddedIdFormat;
        short sortOrderOnlyLengthIndex = IDirectory.GetSortOrderOnlyLengthIndex(propertyConfiguration.Offset);
        string[] distinctFilteredIdsValues = distinctFilteredIds.Select(l => l.ToString()).ToArray();
        string[] files = Directory.GetFiles(directory, "*", SearchOption.AllDirectories);
        foreach (string file in files)
        {
            fileNameWithoutExtension = Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(file)));
            nameWithoutExtensionIsIdFormat = IProperty.NameWithoutExtensionIsIdFormat(fileNameWithoutExtension);
            nameWithoutExtensionIsPaddedIdFormat = IDirectory.NameWithoutExtensionIsPaddedIdFormat(fileNameWithoutExtension, sortOrderOnlyLengthIndex);
            if (!nameWithoutExtensionIsIdFormat && !nameWithoutExtensionIsPaddedIdFormat)
                continue;
            if (distinctFilteredIdsValues.Contains(fileNameWithoutExtension))
                continue;
            renameCollection.Add(file);
        }
        if (renameCollection.Count > 0)
        {
            if (directoryName.Length == 2)
                IDirectory.MoveFiles(renameCollection, directoryName, $"{directoryName[0]}abd{directoryName[^1]}");
            else if (directoryName.Length == 4)
                IDirectory.MoveFiles(renameCollection, directoryName, $"{directoryName[..2]}abd{directoryName[^2..]}");
            else
                throw new NotSupportedException();
        }
    }

    internal static void LookForAbandoned(Property.Models.Configuration propertyConfiguration, string bResultsFullGroupDirectory, List<int> distinctFilteredIds)
    {
        string[] directories = Directory.GetDirectories(bResultsFullGroupDirectory, "*", SearchOption.TopDirectoryOnly);
        foreach (string directory in directories)
        {
            string? directoryName = Path.GetFileName(directory);
            if (string.IsNullOrEmpty(directoryName) || (directoryName.Length != 2 && directoryName.Length != 4))
                continue;
            LookForAbandoned(propertyConfiguration, distinctFilteredIds, directory, directoryName);
        }
    }

}