// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

#nullable disable

using System.Threading;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.PooledObjects;
using Microsoft.CodeAnalysis.Structure;
using Microsoft.CodeAnalysis.Text;

namespace Microsoft.CodeAnalysis.CSharp.Structure;

internal sealed class AnonymousObjectCreationExpressionStructureProvider : AbstractSyntaxNodeStructureProvider<AnonymousObjectCreationExpressionSyntax>
{
    protected override void CollectBlockSpans(
        SyntaxToken previousToken,
        AnonymousObjectCreationExpressionSyntax node,
        ArrayBuilder<BlockSpan> spans,
        BlockStructureOptions options,
        CancellationToken cancellationToken)
    {
        // Node is something like:
        //
        //      new
        //      {
        //          Field1 = ...,
        //          Field2 = ...,
        //          ...
        //      }
        //
        // The collapsed textspan should be from the end of new keyword to the end of the whole node
        // And the hint span should be the entire node

        spans.Add(new BlockSpan(
            isCollapsible: true,
            textSpan: TextSpan.FromBounds(node.NewKeyword.Span.End, node.Span.End),
            hintSpan: node.Span,
            type: BlockTypes.Expression));
    }
}