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

namespace View_by_Distance.Metadata.Models;

public class MetadataConfiguration : Shared.Models.Properties.IAAConfiguration
{

    protected string _RootDirectory;

    public string RootDirectory => _RootDirectory;

    public string DateGroup { init; get; }
    public string FileNameDirectorySeparator { init; get; }
    public bool ForcePropertyLastWriteTimeToCreationTime { init; get; }
    public string[] IgnoreExtensions { init; get; }
    public string[] IgnoreRulesKeyWords { init; get; }
    public int MaxImagesInDirectoryForTopLevelFirstPass { init; get; }
    public string? ModelName { init; get; }
    public int? NumberOfJitters { init; get; }
    public int? NumberOfTimesToUpsample { init; get; }
    public int Offset { init; get; }
    public string Pattern { init; get; }
    public string PersonBirthdayFormat { init; get; }
    public bool PopulatePropertyId { init; get; }
    public string? PredictorModelName { init; get; }
    public bool PropertiesChangedForProperty { init; get; }
    public string[] PropertyContentCollectionFiles { init; get; }
    public string ResultAllInOne { init; get; }
    public int ResultAllInOneSubdirectoryLength { init; get; }
    public string ResultCollection { init; get; }
    public string ResultContent { init; get; }
    public string ResultSingleton { init; get; }
    public string[] ValidImageFormatExtensions { init; get; }

    [JsonConstructor]
    public MetadataConfiguration(string dateGroup,
                         string fileNameDirectorySeparator,
                         bool forcePropertyLastWriteTimeToCreationTime,
                         string[] ignoreExtensions,
                         string[] ignoreRulesKeyWords,
                         int maxImagesInDirectoryForTopLevelFirstPass,
                         string? modelName,
                         int? numberOfJitters,
                         int? numberOfTimesToUpsample,
                         int offset,
                         string pattern,
                         string personBirthdayFormat,
                         bool populatePropertyId,
                         string? predictorModelName,
                         bool propertiesChangedForProperty,
                         string[] propertyContentCollectionFiles,
                         string resultAllInOne,
                         int resultAllInOneSubdirectoryLength,
                         string resultCollection,
                         string resultContent,
                         string resultSingleton,
                         string rootDirectory,
                         string[] validImageFormatExtensions)
    {
        DateGroup = dateGroup;
        FileNameDirectorySeparator = fileNameDirectorySeparator;
        ForcePropertyLastWriteTimeToCreationTime = forcePropertyLastWriteTimeToCreationTime;
        IgnoreExtensions = ignoreExtensions;
        IgnoreRulesKeyWords = ignoreRulesKeyWords;
        MaxImagesInDirectoryForTopLevelFirstPass = maxImagesInDirectoryForTopLevelFirstPass;
        ModelName = modelName;
        NumberOfJitters = numberOfJitters;
        NumberOfTimesToUpsample = numberOfTimesToUpsample;
        Offset = offset;
        Pattern = pattern;
        PersonBirthdayFormat = personBirthdayFormat;
        PredictorModelName = predictorModelName;
        PopulatePropertyId = populatePropertyId;
        PropertiesChangedForProperty = propertiesChangedForProperty;
        PropertyContentCollectionFiles = propertyContentCollectionFiles;
        ResultAllInOne = resultAllInOne;
        ResultAllInOneSubdirectoryLength = resultAllInOneSubdirectoryLength;
        ResultCollection = resultCollection;
        ResultContent = resultContent;
        ResultSingleton = resultSingleton;
        _RootDirectory = rootDirectory;
        ValidImageFormatExtensions = validImageFormatExtensions;
    }

    public override string ToString()
    {
        string result = JsonSerializer.Serialize(this, MetadataConfigurationSourceGenerationContext.Default.MetadataConfiguration);
        return result;
    }

    public void ChangeRootDirectory(string rootDirectory) =>
        _RootDirectory = Path.GetFullPath(rootDirectory);

    public static void Verify(MetadataConfiguration propertyConfiguration, bool requireExist)
    {
        if (propertyConfiguration is null)
            throw new NullReferenceException(nameof(propertyConfiguration));
        if (propertyConfiguration.IgnoreExtensions is null || propertyConfiguration.IgnoreExtensions.Length == 0)
            throw new NullReferenceException(nameof(propertyConfiguration.IgnoreExtensions));
        if (propertyConfiguration.IgnoreRulesKeyWords is null || propertyConfiguration.IgnoreRulesKeyWords.Length == 0)
            throw new NullReferenceException(nameof(propertyConfiguration.IgnoreRulesKeyWords));
        if (propertyConfiguration.PropertyContentCollectionFiles is null)
            throw new NullReferenceException(nameof(propertyConfiguration.PropertyContentCollectionFiles));
        if (propertyConfiguration.ValidImageFormatExtensions is null || propertyConfiguration.ValidImageFormatExtensions.Length == 0)
            throw new NullReferenceException(nameof(propertyConfiguration.ValidImageFormatExtensions));
        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) || (requireExist && !Directory.Exists(propertyConfiguration.RootDirectory)))
            throw new NullReferenceException(nameof(propertyConfiguration.RootDirectory));
        if (propertyConfiguration.RootDirectory != Path.GetFullPath(propertyConfiguration.RootDirectory))
            throw new Exception();
    }

}

[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(MetadataConfiguration))]
internal partial class MetadataConfigurationSourceGenerationContext : JsonSerializerContext
{
}