namespace DocumentOperator.Domain.Models.ValueObjects;

/// <summary>
/// PDF/A validation metadata including conformance level and validation errors/warnings
/// </summary>
public sealed class PdfAMetadata
{
    public bool IsValid { get; }
    public string PdfVersion { get; }
    public int PageCount { get; }
    public long FileSizeBytes { get; }
    public bool Encrypted { get; }
    public string? PdfAVersion { get; }
    public bool PdfACompliant { get; }
    public IReadOnlyList<string> Errors { get; }
    public IReadOnlyList<string> Warnings { get; }

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

    public PdfAMetadata(
        bool isValid,
        string pdfVersion,
        int pageCount,
        long fileSizeBytes,
        bool encrypted,
        string? pdfaVersion,
        bool pdfaCompliant,
        IReadOnlyList<string> errors,
        IReadOnlyList<string> warnings)
    {
        IsValid = isValid;
        PdfVersion = pdfVersion;
        PageCount = pageCount;
        FileSizeBytes = fileSizeBytes;
        Encrypted = encrypted;
        PdfAVersion = pdfaVersion;
        PdfACompliant = pdfaCompliant;
        Errors = errors;
        Warnings = warnings;
    }

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