﻿// 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 Roslyn.Test.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.StringCopyPaste
{
    public class PasteKnownSourceIntoVerbatimStringTests : StringCopyPasteCommandHandlerKnownSourceTests
    {
        [WpfFact]
        public void TestPasteSimpleNormalLiteralContent()
        {
            TestCopyPaste(
"""var v = "{|Copy:goo|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"goo[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteSimpleSubstringNormalLiteralContent()
        {
            TestCopyPaste(
"""var v = "g{|Copy:o|}o";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"o[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPastePartiallySelectedEscapeNormalLiteralContent()
        {
            TestCopyPaste(
"""var v = "\{|Copy:n|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"n[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteFullySelectedEscapeNormalLiteralContent()
        {
            TestCopyPaste(
"""var v = "{|Copy:\r\n|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"
[||]";
""",
"""
var dest =
    @"\r\n[||]";
""");
        }

        [WpfFact]
        public void TestPastePartiallySelectedQuoteNormalLiteralContent()
        {
            TestCopyPaste(
"""var v = "\{|Copy:"|}";""",
"""
var dest =
    @"[||]";
""",
""""
var dest =
    @"""[||]";
"""",
"""
var dest =
    @""[||]";
""");
        }

        [WpfFact]
        public void TestPasteFullySelectedQuoteNormalLiteralContent()
        {
            TestCopyPaste(
"""var v = "{|Copy:\"|}";""",
"""
var dest =
    @"[||]";
""",
""""
var dest =
    @"""[||]";
"""",
"""
var dest =
    @"\"[||]";
""");
        }
        [WpfFact]
        public void TestPasteSimpleVerbatimLiteralContent()
        {
            TestCopyPaste(
"""var v = @"{|Copy:goo|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"goo[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteSimpleSubstringVerbatimLiteralContent()
        {
            TestCopyPaste(
"""var v = @"g{|Copy:o|}o";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"o[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteSelectedVerbatimNewLineLiteralContent()
        {
            TestCopyPaste(
"""
var v = @"{|Copy:
|}";
""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"
[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteFullySelectedEscapeVerbatimLiteralContent()
        {
            TestCopyPaste(
"""var v = @"{|Copy:""|}";""",
"""
var dest =
    @"[||]";
""",
""""
var dest =
    @"""[||]";
"""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteSimpleRawSingleLineLiteralContent()
        {
            TestCopyPaste(
""""var v = """{|Copy:goo|}""";"""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"goo[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteQuotesRawSingleLineLiteralContent()
        {
            TestCopyPaste(
""""var v = """{|Copy: "" |}""";"""",
"""
var dest =
    @"[||]";
""",
"""""
var dest =
    @" """" [||]";
""""",
"""
var dest =
    @" "" [||]";
""");
        }

        [WpfFact]
        public void TestPasteSimpleRawMultiLineLiteralContent1()
        {
            TestCopyPaste(
""""
var v = """
    {|Copy:goo|}
    """;
"""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"goo[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteSimpleRawMultiLineLiteralContent2()
        {
            TestCopyPaste(
""""
var v = """
    {|Copy:goo
    bar|}
    """;
"""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"goo
bar[||]";
""",
"""
var dest =
    @"goo
    bar[||]";
""");
        }

        [WpfFact]
        public void TestPasteSimpleRawMultiLineLiteralContent3()
        {
            TestCopyPaste(
""""
var v = """
{|Copy:    goo
    bar|}
    """;
"""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"goo
bar[||]";
""",
"""
var dest =
    @"    goo
    bar[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationFromInterpolatedStringLiteralContent()
        {
            TestCopyPaste(
"""var v = $"{|Copy:{0}|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"{0}[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithFormatClauseFromInterpolatedStringLiteralContent1()
        {
            TestCopyPaste(
"""var v = $"{|Copy:{0:X}|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"{0:X}[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithFormatClauseFromInterpolatedStringLiteralContent2()
        {
            TestCopyPaste(
"""var v = $"{|Copy:{0:\"X\"}|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"{0:""X""}[||]";
""",
"""
var dest =
    @"{0:\"X\"}[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithStringFromInterpolatedStringLiteralContent1()
        {
            TestCopyPaste(
"""var v = $"{|Copy:{"goo"}|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"{""goo""}[||]";
""",
"""
var dest =
    @"{"goo"}[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithStringFromInterpolatedStringLiteralContent2()
        {
            TestCopyPaste(
"""var v = $"{|Copy:X{"goo"}Y|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"X{""goo""}Y[||]";
""",
"""
var dest =
    @"X{"goo"}Y[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithStringFromInterpolatedStringLiteralContent3()
        {
            TestCopyPaste(
"""var v = $"{|Copy:\"X{"goo"}Y\"|}";""",
"""
var dest =
    @"[||]";
""",
""""
var dest =
    @"""X{""goo""}Y""[||]";
"""",
"""
var dest =
    @"\"X{"goo"}Y\"[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithStringFromInterpolatedStringLiteralContent4()
        {
            TestCopyPaste(
"""var v = $"{|Copy:\"X{@"goo"}Y\"|}";""",
"""
var dest =
    @"[||]";
""",
""""
var dest =
    @"""X{@""goo""}Y""[||]";
"""",
"""
var dest =
    @"\"X{@"goo"}Y\"[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationFromVerbatimInterpolatedStringLiteralContent()
        {
            TestCopyPaste(
"""var v = $@"{|Copy:{0}|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"{0}[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithFormatClauseFromVerbatimInterpolatedStringLiteralContent1()
        {
            TestCopyPaste(
"""var v = $@"{|Copy:{0:X}|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"{0:X}[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithFormatClauseFromVerbatimInterpolatedStringLiteralContent2()
        {
            TestCopyPaste(
"""var v = $@"{|Copy:{0:""X""}|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"{0:""X""}[||]";
""",
"""
var dest =
    @"[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithStringFromVerbatimInterpolatedStringLiteralContent1()
        {
            TestCopyPaste(
"""var v = $@"{|Copy:{"goo"}|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"{""goo""}[||]";
""",
"""
var dest =
    @"{"goo"}[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithStringFromVerbatimInterpolatedStringLiteralContent2()
        {
            TestCopyPaste(
"""var v = $@"{|Copy:X{"goo"}Y|}";""",
"""
var dest =
    @"[||]";
""",
"""
var dest =
    @"X{""goo""}Y[||]";
""",
"""
var dest =
    @"X{"goo"}Y[||]";
""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithStringFromVerbatimInterpolatedStringLiteralContent3()
        {
            TestCopyPaste(
"""var v = $@"{|Copy:""X{"goo"}Y""|}";""",
"""
var dest =
    @"[||]";
""",
""""
var dest =
    @"""X{""goo""}Y""[||]";
"""",
""""
var dest =
    @"""X{"goo"}Y""[||]";
"""");
        }

        [WpfFact]
        public void TestPasteInterpolationWithStringFromVerbatimInterpolatedStringLiteralContent4()
        {
            TestCopyPaste(
"""var v = $@"{|Copy:""X{@"goo"}Y""|}";""",
"""
var dest =
    @"[||]";
""",
""""
var dest =
    @"""X{@""goo""}Y""[||]";
"""",
""""
var dest =
    @"""X{@"goo"}Y""[||]";
"""");
        }
    }
}
