// 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 Microsoft.CodeAnalysis.Shared.Extensions;

namespace Microsoft.CodeAnalysis.Completion.Providers;

internal sealed class RecommendedKeyword(
    string keyword,
     Glyph glyph,
      Func<CancellationToken, ImmutableArray<SymbolDisplayPart>> descriptionFactory,
      bool isIntrinsic = false,
      bool shouldFormatOnCommit = false,
      int? matchPriority = null)
{
    public Glyph Glyph { get; } = glyph;
    public string Keyword { get; } = keyword;
    public Func<CancellationToken, ImmutableArray<SymbolDisplayPart>> DescriptionFactory { get; } = descriptionFactory;
    public bool IsIntrinsic { get; } = isIntrinsic;
    public bool ShouldFormatOnCommit { get; } = shouldFormatOnCommit;
    public int MatchPriority { get; } = matchPriority ?? Completion.MatchPriority.Default;

    public RecommendedKeyword(string keyword, string toolTip = "", Glyph glyph = Glyph.Keyword, bool isIntrinsic = false, bool shouldFormatOnCommit = false, int? matchPriority = null)
        : this(keyword, glyph, _ => CreateDisplayParts(keyword, toolTip), isIntrinsic, shouldFormatOnCommit, matchPriority)
    {
    }

    internal static ImmutableArray<SymbolDisplayPart> CreateDisplayParts(string keyword, string toolTip)
    {
        var textContentBuilder = new System.Collections.Generic.List<SymbolDisplayPart>();
        textContentBuilder.AddText(string.Format(FeaturesResources._0_Keyword, keyword));

        if (!string.IsNullOrEmpty(toolTip))
        {
            textContentBuilder.AddLineBreak();
            textContentBuilder.AddText(toolTip);
        }

        return [.. textContentBuilder];
    }
}