// 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.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Text;

namespace Microsoft.CodeAnalysis.Completion.Providers;

internal abstract class EmbeddedLanguageCompletionProvider
{
    public string Name { get; }

    internal EmbeddedLanguageCompletionProvider()
    {
        Name = GetType().FullName!;
    }

    public abstract ImmutableHashSet<char> TriggerCharacters { get; }
    public abstract bool ShouldTriggerCompletion(SourceText text, int caretPosition, CompletionTrigger trigger);
    public abstract Task ProvideCompletionsAsync(CompletionContext context);
    public abstract Task<CompletionChange> GetChangeAsync(Document document, CompletionItem item, char? commitKey, CancellationToken cancellationToken);
    public abstract Task<CompletionDescription?> GetDescriptionAsync(Document document, CompletionItem item, CancellationToken cancellationToken);
}