// Copyright (c) Microsoft. All rights reserved.

// Licensed under the MIT license. See LICENSE file in the project root for full license information.



namespace Microsoft.DocAsCode.MarkdownRewriters.Tests

{

    using Microsoft.DocAsCode.Dfm;

    using Microsoft.DocAsCode.MarkdigMarkdownRewriters;



    using Xunit;



    public class MarkdigMarkdownRewritersTests

    {

        private DfmEngine _engine;



        public MarkdigMarkdownRewritersTests()

        {

            var option = DocfxFlavoredMarked.CreateDefaultOptions();

            option.LegacyMode = true;

            var builder = new DfmEngineBuilder(option);

            _engine = builder.CreateDfmEngine(new MarkdigMarkdownRenderer());

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_Resloved_ShortcutXref()

        {

            var source = "@System.String";

            var expected = "@\"System.String\"\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected, result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_Unresloved_ShortcutXref()

        {

            var source = "@outlook.com";

            var expected = "@outlook.com\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected, result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_AutoLinkXref()

        {

            var source = "<xref:system.string>";

            var expected = "<xref:system.string>\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected, result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_NormalizeVideo()

        {

            var source = @"> [!VIDEO https://channel9.msdn.com]

>

>

";

            var expected = @"> [!VIDEO https://channel9.msdn.com]



";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_NormalizeMultipleVideo()

        {

            var source = @"> Video Sample

> [!VIDEO https://channel9.msdn.com]

>

>[!VIDEO https://channel9.msdn.com]

>

> *abc*

";

            var expected = @"> Video Sample

> 

> [!VIDEO https://channel9.msdn.com]

> 

> [!VIDEO https://channel9.msdn.com]

> 

> *abc*

> 

> 



";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_MailTo()

        {

            var source = "<Mailto:docs@microsoft.com>";

            var expected = "<docs@microsoft.com>\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected, result);



            result = Rewrite(result, "topic.md");

            Assert.Equal(expected, result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_InlineLink()

        {

            var source = "[cool **text**](this%20is%20a%20link)";

            var expected = "[cool **text**](this%20is%20a%20link)\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_InlineExternalLink()

        {

            var source = "[cool](https://dotnet.github.io/docfx)";

            var expected = "[cool](https://dotnet.github.io/docfx)\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected, result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_InlineRelativeLink()

        {

            var source = "[cool](~/a.txt)";

            var expected = "[cool](~/a.txt)\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected, result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_InlineEscapedLink()

        {

            var source = "[cool **text**](this%20is%20a%20link)";

            var expected = "[cool **text**](this%20is%20a%20link)\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected, result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_Html()

        {

            var source = @"

**markdown**



<div>

This is **markdown** content.

</div>



# header";

            var expected = @"**markdown**



<div>

This is <strong>markdown</strong> content.

</div>



# header";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }

        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_HeadingWithWhitespace()

        {

            var source = @" #    Heading with whitespace    #



content...";

            var expected = @" #    Heading with whitespace    #



content...



";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_HeadingWithoutWhitespace()

        {

            var source = @" #Heading with whitespace



content...";

            var expected = @" # Heading with whitespace



content...



";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_LHeading()

        {

            var source = @"Heading with whitespace

===



content...";

            var expected = @"Heading with whitespace

===



content...



";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_StrongAndEm()

        {

            var source = "__a__ and _b_ and **a** and **b** and *__ab__*";

            var expected = "__a__ and _b_ and **a** and **b** and *__ab__*\n\n";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected, result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_Table()

        {

            var source = @"|Tables|Are|Cool|

|---|:--:|--:|

|col 1 is|  left-aligned | $1600 |

| col 2 is |      centered |   $12 |

| col 3 is | right-aligned |$1|";

            var expected = @"|  Tables  |      Are      |  Cool |

|----------|:-------------:|------:|

| col 1 is | left-aligned  | $1600 |

| col 2 is |   centered    |   $12 |

| col 3 is | right-aligned |    $1 |



";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_UnalignedTable00()

        {

            var source = @"|Tables|Are|Cool|

|---|:--:|--:|

|col 1 is|  left-aligned | $1600 |

| col 2 is |      centered 

| col 3 is";

            var expected = @"|  Tables  |     Are      |  Cool |

|----------|:------------:|------:|

| col 1 is | left-aligned | $1600 |

| col 2 is |   centered   |       |

| col 3 is |              |       |



";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_UnalignedTable01()

        {

            var source = @"| | a |

|---|---|

| |a| ";

            var expected = @"|   | a |

|---|---|

|   | a |



";



            var result = Rewrite(source, "topic.md");

            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        [Fact]

        [Trait("Related", "MarkdigMarkdownRewriters")]

        public void TestMarkdigMarkdownRewriters_InclusionPath()

        {

            var source = @"[!INCLUDE [title](.\..\..\..\includes\a.md)]";

            var expected = @"[!INCLUDE [title](./../../../includes/a.md)]



";

            var result = Rewrite(source, "topic.md");



            Assert.Equal(expected.Replace("\r\n", "\n"), result);

        }



        private string Rewrite(string source, string filePath)

        {

            return _engine.Markup(source, filePath);

        }

    }

}