// 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.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CSharp.AddAnonymousTypeMemberName;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Diagnostics;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
using Xunit.Abstractions;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.AddAnonymousTypeMemberName
{
    [Trait(Traits.Feature, Traits.Features.CodeActionsAddAnonymousTypeMemberName)]
    public class AddAnonymousTypeMemberNameTests : AbstractCSharpDiagnosticProviderBasedUserDiagnosticTest
    {
        public AddAnonymousTypeMemberNameTests(ITestOutputHelper logger)
           : base(logger)
        {
        }
 
        internal override (DiagnosticAnalyzer?, CodeFixProvider) CreateDiagnosticProviderAndFixer(Workspace workspace)
            => (null, new CSharpAddAnonymousTypeMemberNameCodeFixProvider());
 
        [Fact]
        public async Task Test1()
        {
            await TestInRegularAndScript1Async(
                """
                class C
                {
                    void M()
                    {
                        var v = new { [||]this.GetType() };
                    }
                }
                """,
                """
                class C
                {
                    void M()
                    {
                        var v = new { {|Rename:Type|} = this.GetType() };
                    }
                }
                """);
        }
 
        [Fact]
        public async Task TestExistingName()
        {
            await TestInRegularAndScript1Async(
                """
                class C
                {
                    void M()
                    {
                        var v = new { Type = 1, [||]this.GetType() };
                    }
                }
                """,
                """
                class C
                {
                    void M()
                    {
                        var v = new { Type = 1, {|Rename:Type1|} = this.GetType() };
                    }
                }
                """);
        }
 
        [Fact]
        public async Task TestFixAll1()
        {
            await TestInRegularAndScript1Async(
            """
            class C
            {
                void M()
                {
                    var v = new { {|FixAllInDocument:|}new { this.GetType(), this.ToString() } };
                }
            }
            """,
            """
            class C
            {
                void M()
                {
                    var v = new { Value = new { Type = this.GetType(), V = this.ToString() } };
                }
            }
            """);
        }
 
        [Fact]
        public async Task TestFixAll2()
        {
            await TestInRegularAndScript1Async(
            """
            class C
            {
                void M()
                {
                    var v = new { new { {|FixAllInDocument:|}this.GetType(), this.ToString() } };
                }
            }
            """,
            """
            class C
            {
                void M()
                {
                    var v = new { Value = new { Type = this.GetType(), V = this.ToString() } };
                }
            }
            """);
        }
 
        [Fact]
        public async Task TestFixAll3()
        {
            await TestInRegularAndScript1Async(
            """
            class C
            {
                void M()
                {
                    var v = new { {|FixAllInDocument:|}new { this.GetType(), this.GetType() } };
                }
            }
            """,
            """
            class C
            {
                void M()
                {
                    var v = new { Value = new { Type = this.GetType(), Type1 = this.GetType() } };
                }
            }
            """);
        }
    }
}