// 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.Collections.Immutable;
using Microsoft.CodeAnalysis.CodeStyle;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.Options;
using Microsoft.CodeAnalysis.Precedence;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.RemoveUnnecessaryParentheses
{
    internal static class ParenthesesDiagnosticAnalyzersHelper
    {
        internal static ImmutableHashSet<IOption2> Options = ImmutableHashSet.Create<IOption2>(CodeStyleOptions2.ArithmeticBinaryParentheses, CodeStyleOptions2.RelationalBinaryParentheses, CodeStyleOptions2.OtherBinaryParentheses, CodeStyleOptions2.OtherParentheses);
 
        internal static CodeStyleOption2<ParenthesesPreference> GetLanguageOption(AnalyzerOptionsProvider options, PrecedenceKind precedenceKind)
            => precedenceKind switch
            {
                PrecedenceKind.Arithmetic or PrecedenceKind.Shift or PrecedenceKind.Bitwise => options.ArithmeticBinaryParentheses,
                PrecedenceKind.Relational or PrecedenceKind.Equality => options.RelationalBinaryParentheses,
                PrecedenceKind.Logical or PrecedenceKind.Coalesce => options.OtherBinaryParentheses,
                PrecedenceKind.Other => options.OtherParentheses,
                _ => throw ExceptionUtilities.UnexpectedValue(precedenceKind),
            };
    }
}