added a help system, replaced the words "tenant" and "Pwa" with better alternatives. corrected and implemented cron jobs. prepared going live on a coolify-powered system.

app/Services/Photobooth/CredentialGenerator.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Services\Photobooth;
+
+use App\Models\Event;
+
+class CredentialGenerator
+{
+    public function __construct(
+        private readonly int $usernameLength = 8,
+        private readonly int $passwordLength = 8,
+        private readonly string $usernamePrefix = 'pb'
+    ) {}
+
+    public function generateUsername(Event $event): string
+    {
+        $maxLength = min(10, max(6, $this->usernameLength));
+        $prefix = substr($this->usernamePrefix, 0, $maxLength - 3);
+        $tenantMarker = strtoupper(substr($event->tenant?->slug ?? $event->tenant?->name ?? 'x', 0, 1));
+
+        $remaining = $maxLength - strlen($prefix) - 1;
+        $randomSegment = $this->randomSegment(max(3, $remaining));
+
+        return strtoupper($prefix.$tenantMarker.substr($randomSegment, 0, $remaining));
+    }
+
+    public function generatePassword(): string
+    {
+        $length = min(8, max(6, $this->passwordLength));
+
+        return $this->randomSegment($length);
+    }
+
+    protected function randomSegment(int $length): string
+    {
+        $alphabet = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789';
+        $poolSize = strlen($alphabet);
+        $value = '';
+
+        for ($i = 0; $i < $length; $i++) {
+            $value .= $alphabet[random_int(0, $poolSize - 1)];
+        }
+
+        return $value;
+    }
+}