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

namespace View_by_Distance.Shared.Models;

public class Item : Properties.IItem
{

    protected List<Face> _Faces;
    protected readonly bool? _FileSizeChanged;
    protected readonly FilePath _FilePath;
    protected bool? _IsArchive;
    protected bool? _IsNotUniqueAndNeedsReview;
    protected bool _IsUniqueFileName;
    protected bool _IsValidImageFormatExtension;
    protected bool? _LastWriteTimeChanged;
    protected bool? _Moved;
    protected Property? _Property;
    protected readonly string _RelativePath;
    protected FileHolder? _ResizedFileHolder;
    protected readonly FileHolder _SourceDirectoryFileHolder;
    public List<Face> Faces => _Faces;
    public bool? FileSizeChanged => _FileSizeChanged;
    public FilePath FilePath => _FilePath;
    public bool? IsArchive => _IsArchive;
    public bool? IsNotUniqueAndNeedsReview => _IsNotUniqueAndNeedsReview;
    public bool IsUniqueFileName => _IsUniqueFileName;
    public bool IsValidImageFormatExtension => _IsValidImageFormatExtension;
    public bool? LastWriteTimeChanged => _LastWriteTimeChanged;
    public bool? Moved => _Moved;
    public Property? Property => _Property;
    public string RelativePath => _RelativePath;
    public FileHolder? ResizedFileHolder => _ResizedFileHolder;
    public FileHolder SourceDirectoryFileHolder => _SourceDirectoryFileHolder;

    [JsonConstructor]
    public Item(List<Face> faces, FilePath filePath, bool? fileSizeChanged, bool? isArchive, bool? isNotUniqueAndNeedsReview, bool isUniqueFileName, bool isValidImageFormatExtension, bool? lastWriteTimeChanged, bool? moved, Property? property, string relativePath, FileHolder? resizedFileHolder, FileHolder sourceDirectoryFileHolder)
    {
        _Faces = faces;
        _FilePath = filePath;
        _FileSizeChanged = fileSizeChanged;
        _IsArchive = isArchive;
        _IsNotUniqueAndNeedsReview = isNotUniqueAndNeedsReview;
        _IsUniqueFileName = isUniqueFileName;
        _IsValidImageFormatExtension = isValidImageFormatExtension;
        _LastWriteTimeChanged = lastWriteTimeChanged;
        _Moved = moved;
        _Property = property;
        _RelativePath = relativePath;
        _ResizedFileHolder = resizedFileHolder;
        _SourceDirectoryFileHolder = sourceDirectoryFileHolder;
    }

    public static Item Get(FilePath filePath, FileHolder sourceDirectoryFileHolder, string relativePath, bool? isArchive, bool? isNotUniqueAndNeedsReview, bool isUniqueFileName, bool isValidImageFormatExtension, Property? property, bool? abandoned, bool? fileSizeChanged, bool? lastWriteTimeChanged)
    {
        Item result;
        if (relativePath.EndsWith(".json"))
            throw new ArgumentException("Can not be a *.json file!");
        if (filePath.ExtensionLowered is ".json")
            throw new ArgumentException("Can not be a *.json file!");
        result = new([], filePath, fileSizeChanged, isArchive, isNotUniqueAndNeedsReview, isUniqueFileName, isValidImageFormatExtension, lastWriteTimeChanged, null, property, relativePath, null, sourceDirectoryFileHolder);
        return result;
    }

    public static Item Get(FilePath filePath, FileHolder sourceDirectoryFileHolder, string relativePath, bool isValidImageFormatExtension) =>
        Get(filePath, sourceDirectoryFileHolder, relativePath, null, null, false, isValidImageFormatExtension, null, null, null, null);

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

    public void SetMoved(bool moved) => _Moved = moved;

    public void SetResizedFileHolder(string filenameExtension, FileHolder fileHolder)
    {
        if (fileHolder.ExtensionLowered == filenameExtension)
            _ResizedFileHolder = fileHolder;
        else if (fileHolder.ExtensionLowered.Length > 3 && fileHolder.ExtensionLowered[3] == 'e' && fileHolder.ExtensionLowered.Remove(3, 1) == filenameExtension)
            _ResizedFileHolder = fileHolder;
        else
            _ResizedFileHolder = fileHolder;
    }

    public bool Any() => !_SourceDirectoryFileHolder.Exists || (_FileSizeChanged.HasValue && _FileSizeChanged.Value) || (_LastWriteTimeChanged.HasValue && _LastWriteTimeChanged.Value) || (_Moved.HasValue && _Moved.Value);

    public void Update(Property property) => _Property = property;

}