feat: split nights off an accommodation booking as separate periods

addresses #869f6z36v

tests/Service/AccommodationBookingPdfGeneratorTest.php

@@ -6,6 +6,7 @@ namespace App\Tests\Service;
 
 use App\Entity\Groups\Accommodation;
 use App\Entity\Groups\AccommodationBooking;
+use App\Enum\Groups\AccommodationBookingPeriodPosition;
 use App\Service\AccommodationBookingBreakdownCalculator;
 use App\Service\AccommodationBookingPdfGenerator;
 use PHPUnit\Framework\TestCase;
@@ -27,6 +28,37 @@ class AccommodationBookingPdfGeneratorTest extends TestCase
         self::assertSame(1, $this->pageCount($pdf));
     }
 
+    public function testADocumentWithSplitOffPeriodsStillFitsOnASingleA4Page(): void
+    {
+        $booking = $this->booking();
+        $booking->splitOffPeriod(AccommodationBookingPeriodPosition::Leading, 1)->setLabel('Vorausteam')->setLines([
+            ['label' => 'Vorausteam Übernachtung', 'amount' => 25000],
+            ['label' => 'Vorausteam Verpflegung', 'amount' => 6000],
+        ]);
+        $booking->splitOffPeriod(AccommodationBookingPeriodPosition::Trailing, 1)->setLines([
+            ['label' => 'Abbau', 'amount' => 10000],
+        ]);
+
+        $breakdown = [
+            ...$this->breakdown(),
+            'nights' => 3,
+            'periods' => [
+                ['position' => 'leading', 'label' => 'Vorausteam', 'dateFrom' => '2026-07-06', 'dateTo' => '2026-07-07', 'nights' => 1, 'lines' => [
+                    ['label' => 'Vorausteam Übernachtung', 'amount' => 25000],
+                    ['label' => 'Vorausteam Verpflegung', 'amount' => 6000],
+                ], 'total' => 31000],
+                ['position' => 'trailing', 'dateFrom' => '2026-07-10', 'dateTo' => '2026-07-11', 'nights' => 1, 'lines' => [
+                    ['label' => 'Abbau', 'amount' => 10000],
+                ], 'total' => 10000],
+            ],
+            'periodsTotal' => 41000,
+        ];
+
+        $pdf = $this->createGenerator($breakdown)->render($booking);
+
+        self::assertSame(1, $this->pageCount($pdf));
+    }
+
     public function testTheDownloadIsAnAttachmentNamedAfterArrivalDateAndHotel(): void
     {
         $response = $this->createGenerator($this->breakdown())->createDownloadResponse($this->booking());
@@ -122,6 +154,8 @@ class AccommodationBookingPdfGeneratorTest extends TestCase
             'serviceDetails' => [['label' => 'Bettwäsche', 'price' => 28800]],
             'servicesPrice' => 28800,
             'runningCosts' => 16000,
+            'periods' => [],
+            'periodsTotal' => 0,
             'total' => 844800,
             'currency' => 'EUR',
             'discounts' => [['label' => 'Unterkunft', 'percent' => 5, 'amount' => 16000]],