From 18938c9ce324ace65206336e47d67e469324eb5a Mon Sep 17 00:00:00 2001
From: Bas van Dinther <bas@vormkracht10.nl>
Date: Fri, 11 Aug 2023 15:38:55 +0200
Subject: [PATCH] wip

---
 src/Checks/Content/FleschReadingEaseCheck.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Checks/Content/FleschReadingEaseCheck.php b/src/Checks/Content/FleschReadingEaseCheck.php
index 7a30fe41..0e46fa16 100644
--- a/src/Checks/Content/FleschReadingEaseCheck.php
+++ b/src/Checks/Content/FleschReadingEaseCheck.php
@@ -48,11 +48,23 @@ public function validateContent(Crawler $crawler): bool
         // Average syllable count per word
         $averageSyllableCount = $this->getAverageSyllableCountPerWord($sentences);
 
-        dd($averageSyllableCount, $averageWordCount);
+        $fleschReadingEase = $this->fleschReadingEaseScoreFromAverages($averageSyllableCount, $averageWordCount);
+
+        // TODO: 
+        // Average word count is too low and the average syllable count is too high. That's why the calculation is not accurate. 
+        // Probably because we still get sentences like: cls-11{stroke:#fe8185}
+        // We need to find a better way to get all sentences from a web page. 
+        dd($averageSyllableCount, $averageWordCount, $fleschReadingEase);
         
         // return true;
     }
 
+    private function fleschReadingEaseScoreFromAverages(float $averageSyllableCount, float $averageWordCount): float
+    {
+        $fleschReadingEase = 206.835 - (1.015 * $averageWordCount) - (84.6 * $averageSyllableCount);
+        return $fleschReadingEase;
+    }
+
     private function getAverageWordCountPerSentence(array $sentences): int
     {
         $totalWordCount = 0;