// 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.Linq;
using Microsoft.CodeAnalysis.CodeActions;
using Microsoft.CodeAnalysis.CodeGeneration;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.GenerateDefaultConstructors
{
    internal abstract partial class AbstractGenerateDefaultConstructorsService<TService>
    {
        private sealed class GenerateDefaultConstructorCodeAction : AbstractCodeAction
        {
            public GenerateDefaultConstructorCodeAction(
                Document document,
                State state,
                IMethodSymbol constructor,
                CodeAndImportGenerationOptionsProvider fallbackOptions)
                : base(document, state, new[] { constructor }, GetDisplayText(state, constructor), fallbackOptions)
            {
            }
 
            private static string GetDisplayText(State state, IMethodSymbol constructor)
            {
                var parameters = constructor.Parameters.Select(p => p.Name);
                var parameterString = string.Join(", ", parameters);
 
                Contract.ThrowIfNull(state.ClassType);
                return string.Format(FeaturesResources.Generate_constructor_0_1,
                    state.ClassType.Name, parameterString);
            }
        }
    }
}