' 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.

Imports System.Composition
Imports System.Diagnostics.CodeAnalysis
Imports Microsoft.CodeAnalysis.CodeRefactorings
Imports Microsoft.CodeAnalysis.ConvertTupleToStruct
Imports Microsoft.CodeAnalysis.Host.Mef
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax

Namespace Microsoft.CodeAnalysis.VisualBasic.ConvertTupleToStruct
    <ExtensionOrder(Before:=PredefinedCodeRefactoringProviderNames.IntroduceVariable)>
    <ExportLanguageService(GetType(IConvertTupleToStructCodeRefactoringProvider), LanguageNames.VisualBasic)>
    <ExportCodeRefactoringProvider(LanguageNames.VisualBasic, Name:=PredefinedCodeRefactoringProviderNames.ConvertTupleToStruct), [Shared]>
    Friend Class VisualBasicConvertTupleToStructCodeRefactoringProvider
        Inherits AbstractConvertTupleToStructCodeRefactoringProvider(Of
            ExpressionSyntax,
            NameSyntax,
            IdentifierNameSyntax,
            LiteralExpressionSyntax,
            ObjectCreationExpressionSyntax,
            TupleExpressionSyntax,
            ArgumentSyntax,
            TupleTypeSyntax,
            TypeBlockSyntax,
            NamespaceBlockSyntax)

        <ImportingConstructor>
        <SuppressMessage("RoslynDiagnosticsReliability", "RS0033:Importing constructor should be [Obsolete]", Justification:="Used in test code: https://github.com/dotnet/roslyn/issues/42814")>
        Public Sub New()
        End Sub

        Protected Overrides Function GetArgumentWithChangedName(argument As ArgumentSyntax, name As String) As ArgumentSyntax
            Dim simpleArgument = TryCast(argument, SimpleArgumentSyntax)

            If simpleArgument Is Nothing Then
                Return argument
            End If

            Dim nameColonEquals = simpleArgument.NameColonEquals

            Return simpleArgument.WithNameColonEquals(ChangeName(nameColonEquals, name))
        End Function

        Private Shared Function ChangeName(nameColonEquals As NameColonEqualsSyntax, name As String) As NameColonEqualsSyntax
            If nameColonEquals Is Nothing Then
                Return Nothing
            End If

            Dim newName = SyntaxFactory.IdentifierName(name).WithTriviaFrom(nameColonEquals.Name)
            Return nameColonEquals.WithName(newName)
        End Function
    End Class
End Namespace