distribute scheduled nodes evenly by filling days sequentially

app/Plan/UseCases/CreatePlan.php

@@ -82,8 +82,9 @@ class CreatePlan
             $currentDate = $currentDate->modify('+1 day');
         }
 
+        $nodesPerDay = (int) ceil(count($nodesOfText) / count($dates));
         foreach ($nodesOfText as $index => $node) {
-            $dateIndex = $index % count($dates);
+            $dateIndex = (int) floor($index / $nodesPerDay);
             $scheduledDate = $dates[$dateIndex];
 
             $this->createScheduledNode->execute(

tests/Unit/Plan/UseCases/CreatePlanTest.php

@@ -270,4 +270,54 @@ class CreatePlanTest extends TestCase
             $childTwo->getDate()
         );
      }
+
+     public function test_more_scheduled_nodes_than_days(): void
+     {
+        $text = $this->textRepo->find(0);
+        $rootNode = $this->nodeRepo->create(new CreateNodeDto(
+            text: $text,
+            title: 'root node',
+            parentNode: null,
+        ));
+        $this->nodeRepo->create(new CreateNodeDto(
+            text: $text,
+            title: 'child 1',
+            parentNode: $rootNode,
+        ));
+        $this->nodeRepo->create(new CreateNodeDto(
+            text: $text,
+            title: 'child 2',
+            parentNode: $rootNode,
+        ));
+        $this->nodeRepo->create(new CreateNodeDto(
+            text: $text,
+            title: 'child 3',
+            parentNode: $rootNode,
+        ));
+        $plan = $this->useCase->execute(new CreatePlanRequest(
+            userId: 0,
+            name: 'testPlan',
+            textId: 0,
+            dateStart: '2025-01-01',
+            dateEnd: '2025-01-02',
+        ));
+        $childOne = $this->scheduledNodeRepo->find(0);
+        $childTwo = $this->scheduledNodeRepo->find(1);
+        $childThree = $this->scheduledNodeRepo->find(2);
+        $this->assertNotNull($childOne);
+        $this->assertNotNull($childTwo);
+        $this->assertNotNull($childThree);
+        $this->assertEquals(
+            new DateTimeImmutable('2025-01-01'),
+            $childOne->getDate()
+        );
+        $this->assertEquals(
+            new DateTimeImmutable('2025-01-01'),
+            $childTwo->getDate()
+        );
+        $this->assertEquals(
+            new DateTimeImmutable('2025-01-02'),
+            $childThree->getDate()
+        );
+     }
 }