namespace DocumentService.Application.Common.DTOs;

/// <summary>
/// PDF/A validation metadata including conformance level and validation errors/warnings
/// </summary>
public sealed class PdfAMetadata(
    bool isValid,
    string pdfVersion,
    int pageCount,
    long fileSizeBytes,
    bool encrypted,
    string? pdfaVersion,
    bool pdfaCompliant,
    IReadOnlyList<string> errors,
    IReadOnlyList<string> warnings)
{
    public bool IsValid { get; } = isValid;
    public string PdfVersion { get; } = pdfVersion;
    public int PageCount { get; } = pageCount;
    public long FileSizeBytes { get; } = fileSizeBytes;
    public bool Encrypted { get; } = encrypted;
    public string? PdfAVersion { get; } = pdfaVersion;
    public bool PdfACompliant { get; } = pdfaCompliant;
    public IReadOnlyList<string> Errors { get; } = errors;
    public IReadOnlyList<string> Warnings { get; } = warnings;

    // Computed property
    public double FileSizeMB => FileSizeBytes / 1024.0 / 1024.0;

    public override string ToString()
    {
        return $"PDF/A: {PdfAVersion ?? "None"}, {PageCount} pages, {FileSizeMB:F2} MB, Compliant: {PdfACompliant}";
    }
}