// 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 Microsoft.CodeAnalysis.Options;
 
namespace Microsoft.CodeAnalysis.LanguageServer;
 
internal sealed class LspOptionsStorage
{
    /// <summary>
    /// This sets the max list size we will return in response to a completion request.
    /// If there are more than this many items, we will set the isIncomplete flag on the returned completion list.
    /// If set to negative value, we will always return the full list.
    /// </summary>
    public static readonly Option2<int> MaxCompletionListSize = new("dotnet_lsp_max_completion_list_size", defaultValue: 1000);
 
    // Flag is defined in VisualStudio\Core\Def\PackageRegistration.pkgdef.
    public static readonly Option2<bool> LspEditorFeatureFlag = new("dotnet_enable_lsp_editor", defaultValue: false);
 
    // Flag is defined in VisualStudio\Core\Def\PackageRegistration.pkgdef.
    public static readonly Option2<bool> LspSemanticTokensFeatureFlag = new("dotnet_enable_lsp_semantic_tokens", defaultValue: false);
 
    /// <summary>
    /// This flag is turned on when the C# devkit is installed.
    /// This can cause certain LSP features to behave differently, for example we avoid returning test code lenses when devkit is running.
    /// </summary>
    /// <remarks>
    /// This flag is not user visible.
    /// </remarks>
    public static readonly Option2<bool> LspUsingDevkitFeatures = new("dotnet_lsp_using_devkit", defaultValue: false);
 
    private static readonly OptionGroup s_codeLensOptionGroup = new(name: "code_lens", description: "");
    private static readonly OptionGroup s_formattingOptionGroup = new(name: "formatting", description: "");
 
    private static readonly OptionGroup s_autoInsertOptionGroup = new(name: "auto_insert", description: "");
 
    /// <summary>
    /// Flag indicating whether or not references should be returned in LSP codelens.
    /// </summary>
    public static readonly PerLanguageOption2<bool> LspEnableReferencesCodeLens = new("dotnet_enable_references_code_lens", defaultValue: true, group: s_codeLensOptionGroup);
 
    /// <summary>
    /// Flag indicating whether or not test and debug code lens items should be returned.
    /// </summary>
    public static readonly PerLanguageOption2<bool> LspEnableTestsCodeLens = new("dotnet_enable_tests_code_lens", defaultValue: true, group: s_codeLensOptionGroup);
 
    /// <summary>
    /// Flag indicating whether or not auto-insert should be abled by default in LSP.
    /// </summary>
    public static readonly PerLanguageOption2<bool> LspEnableAutoInsert = new("dotnet_enable_auto_insert", defaultValue: true, group: s_autoInsertOptionGroup);
 
    /// <summary>
    /// <see langword="true"/> to organize imports as part of LSP's Format Document handler; otherwise, <see langword="false"/>.
    /// </summary>
    public static readonly PerLanguageOption2<bool> LspOrganizeImportsOnFormat = new("dotnet_organize_imports_on_format", defaultValue: false, group: s_formattingOptionGroup);
}