// 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.
 
namespace Roslyn.LanguageServer.Protocol;
 
using System.Text.Json.Serialization;
 
/// <summary>
/// Class representing the options for signature help support.
/// <para>
/// See the <see href="https://microsoft.github.io/language-server-protocol/specifications/specification-current/#signatureHelpOptions">Language Server Protocol specification</see> for additional information.
/// </para>
/// </summary>
internal class SignatureHelpOptions : IWorkDoneProgressOptions
{
    /// <summary>
    /// Gets or sets the characters that trigger signature help automatically.
    /// </summary>
    [JsonPropertyName("triggerCharacters")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string[]? TriggerCharacters
    {
        get;
        set;
    }
 
    /// <summary>
    /// Gets or sets the characters that re-trigger signature help
    /// when signature help is already showing.
    /// </summary>
    /// <remarks>Since LSP 3.15</remarks>
    [JsonPropertyName("retriggerCharacters")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string[]? RetriggerCharacters
    {
        get;
        set;
    }
 
    /// <inheritdoc/>
    [JsonPropertyName("workDoneProgress")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
    public bool WorkDoneProgress { get; init; }
}