using System.Text.Json;
using System.Text.Json.Serialization;

namespace View_by_Distance.Property.Models;

public class Configuration
{

    protected readonly string _DateGroup;
    protected readonly string _FileNameDirectorySeparator;
    protected readonly bool? _ForcePropertyLastWriteTimeToCreationTime;
    protected readonly string[] _IgnoreExtensions;
    protected readonly int? _MaxImagesInDirectoryForTopLevelFirstPass;
    protected readonly string _Pattern;
    protected readonly bool? _PopulatePropertyId;
    protected readonly bool? _PropertiesChangedForProperty;
    protected readonly string[] _PropertyContentCollectionFiles;
    protected string _RootDirectory;
    protected readonly string[] _ValidImageFormatExtensions;
    protected readonly string[] _ValidMetadataExtensions;
    protected readonly string[] _VerifyToSeason;
    protected readonly bool? _WriteBitmapDataBytes;
    public string DateGroup => _DateGroup;
    public string FileNameDirectorySeparator => _FileNameDirectorySeparator;
    public bool? ForcePropertyLastWriteTimeToCreationTime => _ForcePropertyLastWriteTimeToCreationTime;
    public string[] IgnoreExtensions => _IgnoreExtensions;
    public int? MaxImagesInDirectoryForTopLevelFirstPass => _MaxImagesInDirectoryForTopLevelFirstPass;
    public string Pattern => _Pattern;
    public bool? PopulatePropertyId => _PopulatePropertyId;
    public bool? PropertiesChangedForProperty => _PropertiesChangedForProperty;
    public string[] PropertyContentCollectionFiles => _PropertyContentCollectionFiles;
    public string RootDirectory => _RootDirectory;
    public string[] ValidImageFormatExtensions => _ValidImageFormatExtensions;
    public string[] ValidMetadataExtensions => _ValidMetadataExtensions;
    public string[] VerifyToSeason => _VerifyToSeason;
    public bool? WriteBitmapDataBytes => _WriteBitmapDataBytes;

    [JsonConstructor]
    public Configuration(string dateGroup, string fileNameDirectorySeparator, bool? forcePropertyLastWriteTimeToCreationTime, string[] ignoreExtensions, int? maxImagesInDirectoryForTopLevelFirstPass, string pattern, bool? populatePropertyId, bool? propertiesChangedForProperty, string[] propertyContentCollectionFiles, string rootDirectory, string[] validImageFormatExtensions, string[] validMetadataExtensions, string[] verifyToSeason, bool? writeBitmapDataBytes)
    {
        _DateGroup = dateGroup;
        _FileNameDirectorySeparator = fileNameDirectorySeparator;
        _ForcePropertyLastWriteTimeToCreationTime = forcePropertyLastWriteTimeToCreationTime;
        _IgnoreExtensions = ignoreExtensions;
        _MaxImagesInDirectoryForTopLevelFirstPass = maxImagesInDirectoryForTopLevelFirstPass;
        _Pattern = pattern;
        _PopulatePropertyId = populatePropertyId;
        _PropertiesChangedForProperty = propertiesChangedForProperty;
        _PropertyContentCollectionFiles = propertyContentCollectionFiles;
        _RootDirectory = rootDirectory;
        _ValidImageFormatExtensions = validImageFormatExtensions;
        _ValidMetadataExtensions = validMetadataExtensions;
        _VerifyToSeason = verifyToSeason;
        _WriteBitmapDataBytes = writeBitmapDataBytes;
    }

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

    public void Update() => _RootDirectory = Path.GetFullPath(_RootDirectory);

    public static void Verify(Configuration? propertyConfiguration)
    {
        if (propertyConfiguration is null)
            throw new NullReferenceException(nameof(propertyConfiguration));
        if (propertyConfiguration.ForcePropertyLastWriteTimeToCreationTime is null)
            throw new NullReferenceException(nameof(propertyConfiguration.ForcePropertyLastWriteTimeToCreationTime));
        if (propertyConfiguration.IgnoreExtensions is null || !propertyConfiguration.IgnoreExtensions.Any())
            throw new NullReferenceException(nameof(propertyConfiguration.IgnoreExtensions));
        if (propertyConfiguration.PopulatePropertyId is null)
            throw new NullReferenceException(nameof(propertyConfiguration.PopulatePropertyId));
        if (propertyConfiguration.PropertiesChangedForProperty is null)
            throw new NullReferenceException(nameof(propertyConfiguration.PropertiesChangedForProperty));
        if (propertyConfiguration.PropertyContentCollectionFiles is null)
            throw new NullReferenceException(nameof(propertyConfiguration.PropertyContentCollectionFiles));
        if (propertyConfiguration.ValidImageFormatExtensions is null || !propertyConfiguration.ValidImageFormatExtensions.Any())
            throw new NullReferenceException(nameof(propertyConfiguration.ValidImageFormatExtensions));
        if (propertyConfiguration.ValidMetadataExtensions is null || !propertyConfiguration.ValidMetadataExtensions.Any())
            throw new NullReferenceException(nameof(propertyConfiguration.ValidMetadataExtensions));
        if (propertyConfiguration.VerifyToSeason is null || !propertyConfiguration.VerifyToSeason.Any())
            throw new NullReferenceException(nameof(propertyConfiguration.VerifyToSeason));
        if (propertyConfiguration.WriteBitmapDataBytes is null)
            throw new NullReferenceException(nameof(propertyConfiguration.WriteBitmapDataBytes));
        if (Path.GetPathRoot(propertyConfiguration.RootDirectory) == propertyConfiguration.RootDirectory)
            throw new NullReferenceException(nameof(propertyConfiguration.RootDirectory));
        if (propertyConfiguration is null)
            throw new NullReferenceException(nameof(propertyConfiguration));
        if (string.IsNullOrEmpty(propertyConfiguration.DateGroup))
            throw new NullReferenceException(nameof(propertyConfiguration.DateGroup));
        if (string.IsNullOrEmpty(propertyConfiguration.FileNameDirectorySeparator))
            throw new NullReferenceException(nameof(propertyConfiguration.FileNameDirectorySeparator));
        if (string.IsNullOrEmpty(propertyConfiguration.Pattern))
            throw new NullReferenceException(nameof(propertyConfiguration.Pattern));
        if (string.IsNullOrEmpty(propertyConfiguration.RootDirectory) || !Directory.Exists(propertyConfiguration.RootDirectory))
            throw new NullReferenceException(nameof(propertyConfiguration.RootDirectory));
    }

    public void ChangeRootDirectory(string rootDirectory) => _RootDirectory = rootDirectory;

}