From 9a08865586e21def88514c4ad64e2ae007e3e09b Mon Sep 17 00:00:00 2001
From: Caen De Silva <caen@desilva.se>
Date: Wed, 24 Jul 2024 17:33:23 +0200
Subject: [PATCH] Implement the initial dynamic markdown link feature

---
 .../DynamicMarkdownLinkProcessor.php          | 19 ++++++-
 .../DynamicMarkdownLinkProcessorTest.php      | 52 ++++++++++++++++++-
 2 files changed, 69 insertions(+), 2 deletions(-)

diff --git a/packages/framework/src/Markdown/Processing/DynamicMarkdownLinkProcessor.php b/packages/framework/src/Markdown/Processing/DynamicMarkdownLinkProcessor.php
index a47642414a4..3b17b28b5fc 100644
--- a/packages/framework/src/Markdown/Processing/DynamicMarkdownLinkProcessor.php
+++ b/packages/framework/src/Markdown/Processing/DynamicMarkdownLinkProcessor.php
@@ -4,12 +4,29 @@
 
 namespace Hyde\Markdown\Processing;
 
+use Hyde\Hyde;
 use Hyde\Markdown\Contracts\MarkdownPostProcessorContract;
 
 class DynamicMarkdownLinkProcessor implements MarkdownPostProcessorContract
 {
     public static function postprocess(string $html): string
     {
-        // TODO: Implement postprocess() method.
+        $patterns = [
+            '/<a href="hyde::route\(\'([^\']+)\'\)"/' => function ($matches) {
+                return '<a href="'.Hyde::route($matches[1]).'"';
+            },
+            '/<a href="hyde::relativeLink\(\'([^\']+)\'\)"/' => function ($matches) {
+                return '<a href="'.Hyde::relativeLink($matches[1]).'"';
+            },
+            '/<img src="hyde::asset\(\'([^\']+)\'\)"/' => function ($matches) {
+                return '<img src="'.Hyde::asset($matches[1]).'"';
+            },
+        ];
+
+        foreach ($patterns as $pattern => $replacement) {
+            $html = preg_replace_callback($pattern, $replacement, $html);
+        }
+
+        return $html;
     }
 }
diff --git a/packages/framework/tests/Feature/Services/Markdown/DynamicMarkdownLinkProcessorTest.php b/packages/framework/tests/Feature/Services/Markdown/DynamicMarkdownLinkProcessorTest.php
index 4fc7c0e2f1a..c6e42bcff2a 100644
--- a/packages/framework/tests/Feature/Services/Markdown/DynamicMarkdownLinkProcessorTest.php
+++ b/packages/framework/tests/Feature/Services/Markdown/DynamicMarkdownLinkProcessorTest.php
@@ -4,12 +4,62 @@
 
 namespace Hyde\Framework\Testing\Feature\Services\Markdown;
 
+use Hyde\Pages\InMemoryPage;
 use Hyde\Testing\UnitTestCase;
+use Hyde\Support\Models\Route;
+use Hyde\Support\Facades\Render;
+use Hyde\Foundation\Facades\Routes;
+use Hyde\Support\Models\RenderData;
+use Hyde\Markdown\Processing\DynamicMarkdownLinkProcessor;
 
 /**
  * @covers \Hyde\Markdown\Processing\DynamicMarkdownLinkProcessor
  */
 class DynamicMarkdownLinkProcessorTest extends UnitTestCase
 {
-    //
+    protected static bool $needsConfig = true;
+    protected static bool $needsKernel = true;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        Render::swap(new RenderData());
+
+        Routes::addRoute(new Route(new InMemoryPage('home')));
+    }
+
+    public function testRouteReplacement()
+    {
+        $input = '<p><a href="hyde::route(\'home\')">Home</a></p>';
+        $expected = '<p><a href="home.html">Home</a></p>';
+        $this->assertEquals($expected, DynamicMarkdownLinkProcessor::postprocess($input));
+    }
+
+    public function testRelativeLinkReplacement()
+    {
+        $input = '<p><a href="hyde::relativeLink(\'about\')">About</a></p>';
+        $expected = '<p><a href="about">About</a></p>';
+        $this->assertEquals($expected, DynamicMarkdownLinkProcessor::postprocess($input));
+    }
+
+    public function testAssetReplacement()
+    {
+        $input = '<p><img src="hyde::asset(\'image.jpg\')" alt="Image" /></p>';
+        $expected = '<p><img src="media/image.jpg" alt="Image" /></p>';
+        $this->assertEquals($expected, DynamicMarkdownLinkProcessor::postprocess($input));
+    }
+
+    public function testMultipleReplacements()
+    {
+        $input = '<p><a href="hyde::route(\'home\')">Home</a> <a href="hyde::relativeLink(\'about\')">About</a> <img src="hyde::asset(\'logo.png\')" alt="Logo" /></p>';
+        $expected = '<p><a href="home.html">Home</a> <a href="about">About</a> <img src="media/logo.png" alt="Logo" /></p>';
+        $this->assertEquals($expected, DynamicMarkdownLinkProcessor::postprocess($input));
+    }
+
+    public function testNoReplacements()
+    {
+        $input = '<p>This is a regular <a href="https://example.com">link</a> with no Hyde syntax.</p>';
+        $this->assertEquals($input, DynamicMarkdownLinkProcessor::postprocess($input));
+    }
 }