// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;
using Microsoft.AspNetCore.Razor.Language;
using Microsoft.VisualStudio.Text;

namespace Microsoft.VisualStudio.Test
{
    public class TestTextChange : ITextChange
    {
        public TestTextChange(TestEdit edit) : this(edit.Change)
        {
        }

        public TestTextChange(SourceChange change)
        {
            var changeSpan = change.Span;

            OldPosition = changeSpan.AbsoluteIndex;
            NewPosition = OldPosition;
            OldEnd = changeSpan.AbsoluteIndex + changeSpan.Length;
            NewEnd = changeSpan.AbsoluteIndex + change.NewText.Length;
        }

        public int OldPosition { get; }

        public int NewPosition { get; }

        public int OldEnd { get; }

        public int NewEnd { get; }

        public Span OldSpan => throw new NotImplementedException();

        public Span NewSpan => throw new NotImplementedException();

        public int Delta => throw new NotImplementedException();

        public string OldText => throw new NotImplementedException();

        public string NewText => throw new NotImplementedException();

        public int OldLength => throw new NotImplementedException();

        public int NewLength => throw new NotImplementedException();

        public int LineCountDelta => throw new NotImplementedException();
    }
}