// 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.

using System;
using System.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Classification.Classifiers;
using Microsoft.CodeAnalysis.Collections;
using Microsoft.CodeAnalysis.Text;

namespace Microsoft.CodeAnalysis.Classification;

internal static class SyntaxClassificationServiceExtensions
{
    public static void AddSyntacticClassifications(
        this ISyntaxClassificationService classificationService,
        SyntaxNode root,
        TextSpan textSpan,
        SegmentedList<ClassifiedSpan> result,
        CancellationToken cancellationToken)
    {
        classificationService.AddSyntacticClassifications(root, [textSpan], result, cancellationToken);
    }

    public static Task AddSemanticClassificationsAsync(
        this ISyntaxClassificationService classificationService,
        Document document,
        TextSpan textSpan,
        ClassificationOptions options,
        Func<SyntaxNode, ImmutableArray<ISyntaxClassifier>> getNodeClassifiers,
        Func<SyntaxToken, ImmutableArray<ISyntaxClassifier>> getTokenClassifiers,
        SegmentedList<ClassifiedSpan> result,
        CancellationToken cancellationToken)
    {
        return classificationService.AddSemanticClassificationsAsync(
            document,
            [textSpan],
            options,
            getNodeClassifiers,
            getTokenClassifiers,
            result,
            cancellationToken);
    }

    public static void AddSemanticClassifications(
        this ISyntaxClassificationService classificationService,
        SemanticModel semanticModel,
        TextSpan textSpan,
        Func<SyntaxNode, ImmutableArray<ISyntaxClassifier>> getNodeClassifiers,
        Func<SyntaxToken, ImmutableArray<ISyntaxClassifier>> getTokenClassifiers,
        SegmentedList<ClassifiedSpan> result,
        ClassificationOptions options,
        CancellationToken cancellationToken)
    {
        classificationService.AddSemanticClassifications(
            semanticModel,
            [textSpan],
            getNodeClassifiers,
            getTokenClassifiers,
            result,
            options,
            cancellationToken);
    }
}