' 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 Microsoft.CodeAnalysis.VisualBasic.Utilities.IntrinsicOperators
    Friend NotInheritable Class BinaryConditionalExpressionDocumentation
        Inherits AbstractIntrinsicOperatorDocumentation

        Public Overrides ReadOnly Property DocumentationText As String
            Get
                Return VBWorkspaceResources.If_expression_evaluates_to_a_reference_or_Nullable_value_that_is_not_Nothing_the_function_returns_that_value_Otherwise_it_calculates_and_returns_expressionIfNothing
            End Get
        End Property

        Public Overrides Function GetParameterDocumentation(index As Integer) As String
            Select Case index
                Case 0
                    Return VBWorkspaceResources.Returned_if_it_evaluates_to_a_reference_or_nullable_type_that_is_not_Nothing
                Case 1
                    Return VBWorkspaceResources.Evaluated_and_returned_if_expression_evaluates_to_Nothing
                Case Else
                    Throw New ArgumentException(NameOf(index))
            End Select
        End Function

        Public Overrides Function GetParameterName(index As Integer) As String
            Select Case index
                Case 0
                    Return VBWorkspaceResources.expression
                Case 1
                    Return VBWorkspaceResources.expressionIfNothing
                Case Else
                    Throw New ArgumentException(NameOf(index))
            End Select
        End Function

        Public Overrides ReadOnly Property IncludeAsType As Boolean
            Get
                Return True
            End Get
        End Property

        Public Overrides ReadOnly Property ParameterCount As Integer
            Get
                Return 2
            End Get
        End Property

        Public Overrides ReadOnly Property PrefixParts As IList(Of SymbolDisplayPart)
            Get
                Return {New SymbolDisplayPart(SymbolDisplayPartKind.Keyword, Nothing, "If"),
                        New SymbolDisplayPart(SymbolDisplayPartKind.Punctuation, Nothing, "(")}
            End Get
        End Property
    End Class
End Namespace