// 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;
using System.Linq;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.LanguageServer.Handler;
using Microsoft.CodeAnalysis.LanguageServer.Handler.CodeActions;
using Roslyn.Test.Utilities;
using Xunit;
using Xunit.Abstractions;
using LSP = Roslyn.LanguageServer.Protocol;
 
namespace Microsoft.CodeAnalysis.LanguageServer.UnitTests.CodeActions;
 
public sealed class RunCodeActionsTests : AbstractLanguageServerProtocolTests
{
    public RunCodeActionsTests(ITestOutputHelper testOutputHelper) : base(testOutputHelper)
    {
    }
 
    [Theory(Skip = "https://github.com/dotnet/roslyn/issues/65303"), CombinatorialData]
    public async Task TestRunCodeActions(bool mutatingLspWorkspace)
    {
        var markup =
@"class A
{
    class {|caret:|}B
    {
    }
}";
 
        var expectedTextForB =
@"partial class A
{
    class B
    {
    }
}";
 
        await using var testLspServer = await CreateTestLspServerAsync(markup, mutatingLspWorkspace);
        var caretLocation = testLspServer.GetLocations("caret").Single();
        var documentId = new LSP.TextDocumentIdentifier
        {
            Uri = caretLocation.Uri
        };
 
        var titlePath = new[] { string.Format(FeaturesResources.Move_type_to_0, "B.cs") };
        var commandArgument = new CodeActionResolveData(string.Format(FeaturesResources.Move_type_to_0, "B.cs"), customTags: [], caretLocation.Range, documentId, fixAllFlavors: null, nestedCodeActions: null, codeActionPath: titlePath);
 
        var results = await ExecuteRunCodeActionCommandAsync(testLspServer, commandArgument);
 
        var documentForB = testLspServer.TestWorkspace.CurrentSolution.Projects.Single().Documents.Single(doc => doc.Name.Equals("B.cs", StringComparison.OrdinalIgnoreCase));
        var textForB = await documentForB.GetTextAsync();
        Assert.Equal(expectedTextForB, textForB.ToString());
    }
 
    private static async Task<bool> ExecuteRunCodeActionCommandAsync(
        TestLspServer testLspServer,
        CodeActionResolveData codeActionData)
    {
        var command = new LSP.ExecuteCommandParams
        {
            Command = CodeActionsHandler.RunCodeActionCommandName,
            Arguments =
            [
                JsonSerializer.SerializeToElement(codeActionData, ProtocolConversions.LspJsonSerializerOptions)
            ]
        };
 
        var result = await testLspServer.ExecuteRequestAsync<LSP.ExecuteCommandParams, object>(
            LSP.Methods.WorkspaceExecuteCommandName, command, CancellationToken.None);
        Contract.ThrowIfNull(result);
        return (bool)result;
    }
}