// 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 Microsoft.CodeAnalysis.Editor.Shared.Extensions;
using Microsoft.VisualStudio.Commanding;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Editor;
using Microsoft.VisualStudio.Text.Editor.Commanding.Commands;
 
namespace Microsoft.CodeAnalysis.Editor.Implementation.InlineRename;
 
internal abstract partial class AbstractRenameCommandHandler :
    ICommandHandler<SelectAllCommandArgs>
{
    public CommandState GetCommandState(SelectAllCommandArgs args)
        => GetCommandState();
 
    public bool ExecuteCommand(SelectAllCommandArgs args, CommandExecutionContext context)
        => ExecuteSelectAll(args.SubjectBuffer, args.TextView);
 
    private bool ExecuteSelectAll(ITextBuffer subjectBuffer, ITextView view)
    {
        if (renameService.ActiveSession == null)
        {
            return false;
        }
 
        var caretPoint = view.GetCaretPoint(subjectBuffer);
        if (caretPoint.HasValue && renameService.ActiveSession.TryGetContainingEditableSpan(caretPoint.Value, out var span))
        {
            if (view.Selection.Start.Position != span.Start.Position ||
                view.Selection.End.Position != span.End.Position)
            {
                view.SetSelection(span);
                return true;
            }
        }
 
        return false;
    }
}