// 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.
 
#nullable disable
 
using System.IO;
using System.Linq;
using Microsoft.CodeAnalysis.Test.Utilities;
using Microsoft.VisualStudio.LanguageServices.UnitTests.ProjectSystemShim.Framework;
using Roslyn.Test.Utilities;
using Xunit;
 
namespace Roslyn.VisualStudio.CSharp.UnitTests.ProjectSystemShim.LegacyProject;
 
[UseExportProvider]
[Trait(Traits.Feature, Traits.Features.ProjectSystemShims)]
public sealed class SourceFileHandlingTests
{
    [WpfFact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1100114")]
    public void IgnoreAdditionsOfXomlFiles()
    {
        using var environment = new TestEnvironment();
        var project = CSharpHelpers.CreateCSharpProject(environment, "Test");
 
        project.OnSourceFileAdded("Goo.xoml");
 
        // Even though we added a source file, since it has a .xoml extension we'll ignore it
        Assert.Empty(environment.Workspace.CurrentSolution.Projects.Single().Documents);
 
        // Try removing it to make sure it doesn't throw
        project.OnSourceFileRemoved("Goo.xoml");
    }
 
    [WpfFact]
    public void AddFileExWithLinkPathUsesThatAsAFolder()
    {
        using var environment = new TestEnvironment();
        var project = CSharpHelpers.CreateCSharpProject(environment, "Test");
 
        project.AddFileEx(@"C:\Cat.cs", linkMetadata: @"LinkFolder\Cat.cs");
 
        var document = environment.Workspace.CurrentSolution.Projects.Single().Documents.Single();
 
        Assert.Equal(["LinkFolder"], document.Folders);
    }
 
    [WpfFact]
    public void AddFileExWithLinkPathWithoutFolderWorksCorrectly()
    {
        using var environment = new TestEnvironment();
        var project = CSharpHelpers.CreateCSharpProject(environment, "Test");
 
        project.AddFileEx(@"C:\Cat.cs", linkMetadata: @"Dog.cs");
 
        var document = environment.Workspace.CurrentSolution.Projects.Single().Documents.Single();
 
        Assert.Empty(document.Folders);
    }
 
    [WpfFact]
    public void AddFileExWithNoLinkPathComputesEmptyFolder()
    {
        using var environment = new TestEnvironment();
        var project = CSharpHelpers.CreateCSharpProject(environment, "Test");
        var projectFolder = Path.GetDirectoryName(environment.Workspace.CurrentSolution.Projects.Single().FilePath);
 
        project.AddFileEx(Path.Combine(projectFolder, "Cat.cs"), null);
 
        var document = environment.Workspace.CurrentSolution.Projects.Single().Documents.Single();
 
        Assert.Empty(document.Folders);
    }
 
    [WpfFact]
    public void AddFileExWithNoLinkPathComputesRelativeFolderPath()
    {
        using var environment = new TestEnvironment();
        var project = CSharpHelpers.CreateCSharpProject(environment, "Test");
        var projectFolder = Path.GetDirectoryName(environment.Workspace.CurrentSolution.Projects.Single().FilePath);
 
        project.AddFileEx(Path.Combine(projectFolder, "RelativeFolder", "Cat.cs"), null);
 
        var document = environment.Workspace.CurrentSolution.Projects.Single().Documents.Single();
 
        Assert.Equal(["RelativeFolder"], document.Folders);
    }
}