using Microsoft.CodeAnalysis;
using RazorLight;

namespace MeetingAssistant.Workflow;

internal static class MeetingWorkflowRazorEngineFactory
{
    public static RazorLightEngine Create()
    {
        return new RazorLightEngineBuilder()
            .UseNoProject()
            .SetOperatingAssembly(typeof(RazorLightEngine).Assembly)
            .AddMetadataReferences(CreateMetadataReferences())
            .Build();
    }

    private static MetadataReference[] CreateMetadataReferences()
    {
        return AppDomain.CurrentDomain.GetAssemblies()
            .Where(assembly => !assembly.IsDynamic && !string.IsNullOrWhiteSpace(assembly.Location))
            .Select(assembly => assembly.Location)
            .Where(File.Exists)
            .Distinct(StringComparer.OrdinalIgnoreCase)
            .Select(path => MetadataReference.CreateFromFile(path))
            .ToArray();
    }
}