// 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.Intermediate;

namespace Microsoft.AspNetCore.Razor.Language.Components;

internal class ComponentPageDirective
{
    public static readonly DirectiveDescriptor Directive = DirectiveDescriptor.CreateDirective(
        "page",
        DirectiveKind.SingleLine,
        builder =>
        {
            builder.AddStringToken(ComponentResources.PageDirective_RouteToken_Name, ComponentResources.PageDirective_RouteToken_Description);
            builder.Usage = DirectiveUsage.FileScopedMultipleOccurring;
            builder.Description = ComponentResources.PageDirective_Description;
        });

    private ComponentPageDirective(string routeTemplate, IntermediateNode directiveNode)
    {
        RouteTemplate = routeTemplate;
        DirectiveNode = directiveNode;
    }

    public string RouteTemplate { get; }

    public IntermediateNode DirectiveNode { get; }

    public static RazorProjectEngineBuilder Register(RazorProjectEngineBuilder builder)
    {
        if (builder == null)
        {
            throw new ArgumentNullException(nameof(builder));
        }

        builder.AddDirective(Directive, FileKinds.Component, FileKinds.ComponentImport);
        builder.Features.Add(new ComponentPageDirectivePass());
        return builder;
    }
}
