// 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 Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.Diagnostics
{
    internal class LiveDiagnosticUpdateArgsId : AnalyzerUpdateArgsId
    {
        private readonly string _analyzerPackageName;
 
        public readonly object ProjectOrDocumentId;
        public readonly AnalysisKind Kind;
 
        public LiveDiagnosticUpdateArgsId(DiagnosticAnalyzer analyzer, object projectOrDocumentId, AnalysisKind kind, string analyzerPackageName)
            : base(analyzer)
        {
            Contract.ThrowIfNull(projectOrDocumentId);
 
            ProjectOrDocumentId = projectOrDocumentId;
            Kind = kind;
 
            _analyzerPackageName = analyzerPackageName;
        }
 
        public override string BuildTool => _analyzerPackageName;
 
        public override bool Equals(object? obj)
        {
            if (obj is not LiveDiagnosticUpdateArgsId other)
            {
                return false;
            }
 
            return Kind == other.Kind && Equals(ProjectOrDocumentId, other.ProjectOrDocumentId) && base.Equals(obj);
        }
 
        public override int GetHashCode()
            => Hash.Combine(ProjectOrDocumentId, Hash.Combine((int)Kind, base.GetHashCode()));
    }
}