﻿// 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.Editor.CSharp.UnitTests.CodeRefactorings;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.AddFileBanner
{
    [Trait(Traits.Feature, Traits.Features.CodeActionsAddFileBanner)]
    [Trait(Traits.Feature, Traits.Features.CodeActionsFixAllOccurrences)]
    public partial class AddFileBannerTests : AbstractCSharpCodeActionTest
    {
        [Fact]
        public async Task FixAllInProject()
        {
            await TestInRegularAndScriptAsync(
@"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document>{|FixAllInProject:|}using System;

class Program1
{
    static void Main()
    {
    }
}
        </Document>
        <Document>// This is the banner

class Program2
{
}
        </Document>
        <Document>
class Program3
{
}
        </Document>
    </Project>
</Workspace>",
@"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document>// This is the banner

using System;

class Program1
{
    static void Main()
    {
    }
}
        </Document>
        <Document>// This is the banner

class Program2
{
}
        </Document>
        <Document>// This is the banner


class Program3
{
}
        </Document>
    </Project>
</Workspace>");
        }

        [Fact]
        public async Task FixAllInSolution()
        {
            await TestInRegularAndScriptAsync(
@"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document>{|FixAllInSolution:|}using System;

class Program1
{
    static void Main()
    {
    }
}
        </Document>
        <Document>// This is the banner

class Program2
{
}
        </Document>
    </Project>
    <Project Language=""C#"" AssemblyName=""Assembly2"" CommonReferences=""true"">
        <Document>
class Program3
{
}
        </Document>
    </Project>
</Workspace>",
@"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document>// This is the banner

using System;

class Program1
{
    static void Main()
    {
    }
}
        </Document>
        <Document>// This is the banner

class Program2
{
}
        </Document>
    </Project>
    <Project Language=""C#"" AssemblyName=""Assembly2"" CommonReferences=""true"">
        <Document>// This is the banner


class Program3
{
}
        </Document>
    </Project>
</Workspace>");
        }

        [Fact]
        public async Task FixAll_AlreadyHasBanner()
        {
            await TestInRegularAndScriptAsync(
@"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document>{|FixAllInProject:|}using System;

class Program1
{
    static void Main()
    {
    }
}
        </Document>
        <Document>// This is the banner

class Program2
{
}
        </Document>
        <Document>
class Program3
{
}
        </Document>
        <Document>// This is the banner
// It goes over multiple lines

class Program4
{
}
        </Document>
        <Document>/** This is the banner
* It goes over multiple lines
*/

class Program5
{
}
        </Document>
    </Project>
</Workspace>",
@"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document>// This is the banner

using System;

class Program1
{
    static void Main()
    {
    }
}
        </Document>
        <Document>// This is the banner

class Program2
{
}
        </Document>
        <Document>// This is the banner


class Program3
{
}
        </Document>
        <Document>// This is the banner
// It goes over multiple lines

class Program4
{
}
        </Document>
        <Document>/** This is the banner
* It goes over multiple lines
*/

class Program5
{
}
        </Document>
    </Project>
</Workspace>");
        }

        [Fact]
        public async Task FixAll_UpdatedFileNameInBanner()
        {
            await TestInRegularAndScriptAsync(
@"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document FilePath=""Bar1.cs"">{|FixAllInProject:|}using System;

class Program1
{
    static void Main()
    {
    }
}
        </Document>
        <Document FilePath=""Bar2.cs"">// This is the banner in Bar2.cs
// It goes over multiple lines.  This line has Baz.cs
// The last line includes Bar2.cs

class Program2
{
}
        </Document>
        <Document FilePath=""Bar3.cs"">
class Program3
{
}
        </Document>
    </Project>
</Workspace>",
@"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document FilePath=""Bar1.cs"">// This is the banner in Bar1.cs
// It goes over multiple lines.  This line has Baz.cs
// The last line includes Bar1.cs

using System;

class Program1
{
    static void Main()
    {
    }
}
        </Document>
        <Document FilePath=""Bar2.cs"">// This is the banner in Bar2.cs
// It goes over multiple lines.  This line has Baz.cs
// The last line includes Bar2.cs

class Program2
{
}
        </Document>
        <Document FilePath=""Bar3.cs"">// This is the banner in Bar3.cs
// It goes over multiple lines.  This line has Baz.cs
// The last line includes Bar3.cs


class Program3
{
}
        </Document>
    </Project>
</Workspace>");
        }

        [Theory]
        [InlineData(FixAllScope.ContainingMember)]
        [InlineData(FixAllScope.ContainingType)]
        [InlineData(FixAllScope.Document)]
        public async Task FixAllScopes_NotApplicable(FixAllScope fixAllScope)
        {
            var fixAllScopeString = $"FixAllIn{fixAllScope}";

            await TestMissingInRegularAndScriptAsync(
@$"
<Workspace>
    <Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
        <Document>{{|{fixAllScopeString}:|}}using System;

class Program1
{{
    static void Main()
    {{
    }}
}}
        </Document>
        <Document>// This is the banner

class Program2
{{
}}
        </Document>
    </Project>
</Workspace>");
        }
    }
}
