// 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;
    using System.Text.Json.Serialization;
 
    /// <summary>
    /// Parameters for 'textDocument/semanticTokens/full/delta' request.
    /// <para>
    /// See the <see href="https://microsoft.github.io/language-server-protocol/specifications/specification-current/#semanticTokensDeltaParams">Language Server Protocol specification</see> for additional information.
    /// </para>
    /// </summary>
    /// <remarks>Since LSP 3.16</remarks>
    internal class SemanticTokensDeltaParams : ITextDocumentParams, IWorkDoneProgressParams, IPartialResultParams<SemanticTokensDeltaPartialResult>
    {
        /// <summary>
        /// Gets or sets an identifier for the document to fetch semantic tokens from.
        /// </summary>
        [JsonPropertyName("textDocument")]
        public TextDocumentIdentifier TextDocument { get; set; }
 
        /// <summary>
        /// The result id of a previous response. The result Id can either point to
        /// a full response or a delta response depending on what was received last.
        /// The delta should be relative to this previous response.
        /// </summary>
        [JsonPropertyName("previousResultId")]
        public string PreviousResultId { get; set; }
 
        /// <inheritdoc/>
        [JsonPropertyName(Methods.WorkDoneTokenName)]
        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
        public IProgress<WorkDoneProgress>? WorkDoneToken { get; set; }
 
        /// <inheritdoc/>
        [JsonPropertyName(Methods.PartialResultTokenName)]
        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
        public IProgress<SemanticTokensDeltaPartialResult>? PartialResultToken { get; set; }
    }
}