Move away from madness

index.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+use Twig\Environment;
+use Twig\Loader\FilesystemLoader;
+
+require 'vendor/autoload.php';
+
+$twig  = new Environment(new FilesystemLoader('./templates'));
+
+$score = realpath('./scores/' . ($_GET['score'] ?? ''));
+$scoreValid = false !== $score
+    && str_starts_with($score, realpath('./scores'))
+    && is_file($score)
+    && str_ends_with($score, '.md');
+
+$allAvailableScores = array_map(
+    fn (string $filePath) => basename($filePath, '.md'),
+    glob('./scores/*.md')
+);
+
+if (!$scoreValid) {
+    echo $twig->render('index.html.twig', ['scores' => $allAvailableScores, 'title' => 'Available Scores']);
+    exit(0);
+}
+
+$markdown = file_get_contents($score);
+$parsedown = new Parsedown();
+$html = $parsedown->text($markdown);
+echo $twig->render('score.html.twig', [
+    'score' => $html,
+    'scores' => $allAvailableScores,
+    'title' => basename($score, '.md'),
+]);