using System;
using System.IO;
using System.Reflection.Metadata;
using System.Reflection.PortableExecutable;

var dllPath = @"C:\Program Files (x86)\Seewo\EasiNote5\EasiNote5_5.2.4.9855\Main\EasiNote.OfficeDocumentConverter.dll";

using var stream = File.OpenRead(dllPath);
using var pe = new PEReader(stream);

// Check PE characteristics
var headers = pe.PEHeaders;
Console.WriteLine($"Machine: {headers.CoffHeader.Machine}");
Console.WriteLine($"Characteristics: {headers.CoffHeader.Characteristics}");
Console.WriteLine($"Is32Bit: {headers.CoffHeader.Characteristics.HasFlag(Characteristics.Bit32Machine)}");
Console.WriteLine($"IsDll: {headers.CoffHeader.Characteristics.HasFlag(Characteristics.Dll)}");
Console.WriteLine($"IsExecutable: {headers.CoffHeader.Characteristics.HasFlag(Characteristics.ExecutableImage)}");
Console.WriteLine($"IsLargeAddressAware: {headers.CoffHeader.Characteristics.HasFlag(Characteristics.LargeAddressAware)}");

Console.WriteLine($"\nOptional Header Magic: {headers.PEHeader.Magic} (0x10B=PE32, 0x20B=PE32+)");
Console.WriteLine($"Subsystem: {headers.PEHeader.Subsystem}");

// Check the .NET metadata for architecture requirements
var mr = pe.GetMetadataReader();
var asmDef = mr.GetAssemblyDefinition();
Console.WriteLine($"\nAssembly: {mr.GetString(asmDef.Name)} v{asmDef.Version}");

// Print target framework attribute
Console.WriteLine("\nCustom Attributes:");
foreach (var ch in asmDef.GetCustomAttributes())
{
    var ca = mr.GetCustomAttribute(ch);
    // Try to get the attribute constructor name
    if (ca.Constructor.Kind == HandleKind.MemberReference)
    {
        var mref = mr.GetMemberReference((MemberReferenceHandle)ca.Constructor);
        if (mref.Parent.Kind == HandleKind.TypeReference)
        {
            var tref = mr.GetTypeReference((TypeReferenceHandle)mref.Parent);
            var attrName = $"{mr.GetString(tref.Namespace)}.{mr.GetString(tref.Name)}";
            Console.WriteLine($"  {attrName}");
        }
    }
}

// Print referenced system assemblies
Console.WriteLine("\nReferenced System Assemblies:");
foreach (var aref in mr.AssemblyReferences)
{
    var ar = mr.GetAssemblyReference(aref);
    var name = mr.GetString(ar.Name);
    if (name.StartsWith("System") || name.StartsWith("Microsoft") || name == "WindowsBase" || name == "PresentationCore" || name == "PresentationFramework")
        Console.WriteLine($"  {name} v{ar.Version}");
}