// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

#nullable disable

using System;
using Microsoft.AspNetCore.Razor.Language;

namespace Microsoft.CodeAnalysis.Razor;

/// <summary>
/// Provides access to built-in Razor features that require a reference to <c>Microsoft.CodeAnalysis.CSharp</c>.
/// </summary>
public static class CompilerFeatures
{
    /// <summary>
    /// Registers built-in Razor features that require a reference to <c>Microsoft.CodeAnalysis.CSharp</c>.
    /// </summary>
    /// <param name="builder">The <see cref="RazorProjectEngineBuilder"/>.</param>
    public static void Register(RazorProjectEngineBuilder builder)
    {
        if (builder == null)
        {
            throw new ArgumentNullException(nameof(builder));
        }

        if (builder.Configuration.LanguageVersion.CompareTo(RazorLanguageVersion.Version_3_0) >= 0)
        {
            builder.Features.Add(new BindTagHelperDescriptorProvider());
            builder.Features.Add(new ComponentTagHelperDescriptorProvider());
            builder.Features.Add(new EventHandlerTagHelperDescriptorProvider());
            builder.Features.Add(new RefTagHelperDescriptorProvider());
            builder.Features.Add(new KeyTagHelperDescriptorProvider());
            builder.Features.Add(new SplatTagHelperDescriptorProvider());

            builder.Features.Add(new DefaultTypeNameFeature());
        }

        if (builder.Configuration.LanguageVersion.CompareTo(RazorLanguageVersion.Version_8_0) >= 0)
        {
            builder.Features.Add(new RenderModeTagHelperDescriptorProvider());
            builder.Features.Add(new FormNameTagHelperDescriptorProvider());
        }
    }
}
