using System;
using System.Collections.Generic;

namespace DCIT.Core.Models
{
    public class DiffDocument
    {
        public string Format { get; set; } = "dcit-diff";

        public string Version { get; set; } = "1.0";

        public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.Now;

        public bool Encrypted { get; set; }

        public DiffAppInfo App { get; set; } = new DiffAppInfo();

        public DiffAlgorithmInfo Algorithm { get; set; } = new DiffAlgorithmInfo();

        public DiffDocumentInfo SourceDocument { get; set; } = new DiffDocumentInfo();

        public DiffDocumentInfo ReplacedDocument { get; set; } = new DiffDocumentInfo();

        public DiffRuleFileInfo RuleFile { get; set; } = new DiffRuleFileInfo();

        public DiffIntegrityInfo Integrity { get; set; } = new DiffIntegrityInfo();

        public DiffEncryptionInfo Encryption { get; set; }

        public string PayloadCiphertext { get; set; }

        public DiffPayload Payload { get; set; }
    }

    public class DiffAppInfo
    {
        public string Name { get; set; } = "DCIT";

        public string Version { get; set; } = "1.0.0";
    }

    public class DiffAlgorithmInfo
    {
        public string DiffVersion { get; set; } = "1.0";

        public string BmpCodecVersion { get; set; } = "1.0";
    }

    public class DiffDocumentInfo
    {
        public string FileName { get; set; }

        public string RelativePath { get; set; }

        public string Extension { get; set; }

        public string FingerprintAlgorithm { get; set; } = "SHA-256";

        public string Fingerprint { get; set; }
    }

    public class DiffRuleFileInfo
    {
        public string FileName { get; set; }

        public string Version { get; set; } = "1.0";

        public string FingerprintAlgorithm { get; set; } = "SHA-256";

        public string Fingerprint { get; set; }
    }

    public class DiffIntegrityInfo
    {
        public string HashAlgorithm { get; set; } = "SHA-256";

        public string PayloadHash { get; set; }

        public string TamperProtectionAlgorithm { get; set; } = "HMAC-SHA256";

        public string TamperProtectionValue { get; set; }
    }

    public class DiffEncryptionInfo
    {
        public string Algorithm { get; set; } = "AES-256-CBC+HMAC-SHA256";

        public string KeyId { get; set; } = "default";

        public string Nonce { get; set; }

        public string Tag { get; set; }
    }

    public class DiffPayload
    {
        public DiffStatistics Statistics { get; set; } = new DiffStatistics();

        public List<DiffOperation> Operations { get; set; } = new List<DiffOperation>();
    }

    public class DiffStatistics
    {
        public int TextReplaceCount { get; set; }

        public int ImageReplaceCount { get; set; }
    }

    public class DiffOperation
    {
        public string OperationId { get; set; }

        public string Type { get; set; }

        public string ObjectType { get; set; }

        public string ContainerKind { get; set; }

        public string EmbeddedProgramId { get; set; }

        public string EmbeddedPackageExtension { get; set; }

        public DiffPosition Position { get; set; } = new DiffPosition();

        public DiffRuleHitInfo Rule { get; set; }

        public string OriginalText { get; set; }

        public string ReplacementTemplateResult { get; set; }

        public string WrittenText { get; set; }

        public int? DisplayWidthOriginal { get; set; }

        public int? DisplayWidthWritten { get; set; }

        public bool? Truncated { get; set; }

        public bool? PaddingApplied { get; set; }

        public string SourceKind { get; set; }

        public DiffImageData OriginalImage { get; set; }

        public DiffImageData ConvertedBitmapImage { get; set; }

        public DiffImageData NewImage { get; set; }

        public int? Seed { get; set; }

        public DiffNoiseSummary NoiseSummary { get; set; }

        public DiffImageLayout Layout { get; set; }
    }

    public class DiffPosition
    {
        public string StoryType { get; set; }

        public string ContainerPath { get; set; }

        public int ParagraphIndex { get; set; }

        public int ParagraphTextLength { get; set; } = -1;

        public string ParagraphTextHash { get; set; }

        public int StartTextOffset { get; set; } = -1;

        public int EndTextOffset { get; set; } = -1;

        public int StartRunIndex { get; set; }

        public int StartCharOffset { get; set; }

        public int EndRunIndex { get; set; }

        public int EndCharOffset { get; set; }

        public int? ObjectIndex { get; set; }
    }

    public class DiffRuleHitInfo
    {
        public string Id { get; set; }

        public string Name { get; set; }

        public string MatchMode { get; set; }

        public string Pattern { get; set; }

        public int HitIndex { get; set; }
    }

    public class DiffImageData
    {
        public string Format { get; set; }

        public int WidthPx { get; set; }

        public int HeightPx { get; set; }

        public string Data { get; set; }
    }

    public class DiffNoiseSummary
    {
        public double ModifiedPixelRatio { get; set; }
    }

    public class DiffImageLayout
    {
        public long DisplayWidthEmu { get; set; }

        public long DisplayHeightEmu { get; set; }

        public string WrapMode { get; set; }

        public double RotationDegree { get; set; }
    }
}