// 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.Composition;
using System.Text.Json.Serialization;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.LanguageServer.Handler;
using Microsoft.CommonLanguageServerProtocol.Framework;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.LanguageServer.HostWorkspace;
 
[ExportCSharpVisualBasicStatelessLspService(typeof(OpenProjectHandler)), Shared]
[Method("project/open")]
internal class OpenProjectHandler : ILspServiceNotificationHandler<OpenProjectHandler.NotificationParams>
{
    private readonly LanguageServerProjectSystem _projectSystem;
 
    [ImportingConstructor]
    [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
    public OpenProjectHandler(LanguageServerProjectSystem projectSystem)
    {
        _projectSystem = projectSystem;
    }
 
    public bool MutatesSolutionState => false;
    public bool RequiresLSPSolution => false;
 
    Task INotificationHandler<NotificationParams, RequestContext>.HandleNotificationAsync(NotificationParams request, RequestContext requestContext, CancellationToken cancellationToken)
    {
        return _projectSystem.OpenProjectsAsync(request.Projects.SelectAsArray(p => p.LocalPath));
    }
 
    private class NotificationParams
    {
        [JsonPropertyName("projects")]
        public required Uri[] Projects { get; set; }
    }
}