Fix type extraction from array/mixed native types

src/OpenApi/SchemaDefinition/Entity/EntityAdapter.php

@@ -150,28 +150,19 @@ protected function getProperties(string $type): array
 
 	private function getPropertyType(ReflectionProperty $property): ?string
 	{
+		$nativeType = null;
 		if (PHP_VERSION_ID >= 70400 && ($type = Type::fromReflection($property)) !== null) {
-			if ($type->isSingle() && count($type->getNames()) === 1) {
-				return $type->getNames()[0];
+			$nativeType = $this->getNativePropertyType($type, $property);
+			// If type is array/mixed or union/intersection of it, try to get more information from annotations
+			if (!preg_match('#[|&]?(array|mixed)[|&]?#', $nativeType)) {
+				return $nativeType;
 			}
-
-			if ($type->isUnion()
-				|| ($type->isSingle() && count($type->getNames()) === 2) // nullable type is single but returns name of type and null in names
-			) {
-				return implode('|', $type->getNames());
-			}
-
-			if ($type->isIntersection()) {
-				return implode('&', $type->getNames());
-			}
-
-			throw new RuntimeException(sprintf('Could not parse type "%s"', $property));
 		}
 
 		$annotation = $this->parseAnnotation($property, 'var');
 
 		if ($annotation === null) {
-			return null;
+			return $nativeType;
 		}
 
 		if (($type = preg_replace('#\s.*#', '', $annotation)) !== null) {
@@ -233,6 +224,7 @@ protected function phpScalarTypeToOpenApiType(string $type): string
 			'float' => 'number',
 			'bool' => 'boolean',
 			'string' => 'string',
+			'array' => 'array',
 		];
 
 		$type = $this->normalizeType($type);
@@ -259,4 +251,23 @@ protected function normalizeType(string $type): string
 		return $map[strtolower($type)] ?? $type;
 	}
 
+	private function getNativePropertyType(Type $type, ReflectionProperty $property): string
+	{
+		if ($type->isSingle() && count($type->getNames()) === 1) {
+			return $type->getNames()[0];
+		}
+
+		if ($type->isUnion()
+			|| ($type->isSingle() && count($type->getNames()) === 2) // nullable type is single but returns name of type and null in names
+		) {
+			return implode('|', $type->getNames());
+		}
+
+		if ($type->isIntersection()) {
+			return implode('&', $type->getNames());
+		}
+
+		throw new RuntimeException(sprintf('Could not parse type "%s"', $property));
+	}
+
 }

tests/Cases/OpenApi/SchemaDefinition/Entity/EntityAdapterTest.php

@@ -9,6 +9,7 @@
 use Tester\Assert;
 use Tester\TestCase;
 use Tests\Fixtures\ResponseEntity\CompoundResponseEntity;
+use Tests\Fixtures\ResponseEntity\MixedEntity;
 use Tests\Fixtures\ResponseEntity\NativeIntersectionEntity;
 use Tests\Fixtures\ResponseEntity\NativeUnionEntity;
 use Tests\Fixtures\ResponseEntity\SelfReferencingEntity;
@@ -199,6 +200,8 @@ public function testTypedEntity(): void
 					'datetime' => ['type' => 'string', 'format' => 'date-time'],
 					'phpdocInt' => ['type' => 'integer'],
 					'untypedProperty' => ['type' => 'string'],
+					'untypedArray' => ['type' => 'array'],
+					'arrayOfInt' => ['type' => 'array', 'items' => ['type' => 'integer']],
 				],
 			],
 			$adapter->getMetadata(TypedResponseEntity::class)
@@ -230,6 +233,18 @@ public function testNativeUnionEntity(): void
 							['type' => 'integer'],
 						],
 					],
+					'arrayOrInt' => [
+						'oneOf' => [
+							['type' => 'array'],
+							['type' => 'integer'],
+						],
+					],
+					'strings' => [
+						'oneOf' => [
+							['type' => 'array', 'items' => ['type' => 'string']],
+							['type' => 'string'],
+						],
+					],
 				],
 			],
 			$adapter->getMetadata(NativeUnionEntity::class)
@@ -260,6 +275,31 @@ public function testNativeIntersectionEntity(): void
 		);
 	}
 
+	public function testMixedEntity(): void
+	{
+		if (PHP_VERSION_ID < 80000) {
+			$this->skip();
+		}
+
+		$adapter = new EntityAdapter();
+		Assert::same(
+			[
+				'type' => 'object',
+				'properties' => [
+					'mixed' => ['nullable' => true],
+					'complexType' => [
+						'anyOf' => [
+							['type' => 'array', 'items' => ['type' => 'string']],
+							['type' => 'array', 'items' => ['type' => 'integer']],
+							['type' => 'array', 'items' => ['type' => 'number']],
+						],
+					],
+				],
+			],
+			$adapter->getMetadata(MixedEntity::class)
+		);
+	}
+
 }
 
 (new EntityAdapterTest())->run();

tests/Fixtures/ResponseEntity/MixedEntity.php

@@ -0,0 +1,13 @@
+<?php declare(strict_types = 1);
+
+namespace Tests\Fixtures\ResponseEntity;
+
+class MixedEntity
+{
+
+	public mixed $mixed;
+
+	/** @var string[]|(int[]&float[]) */
+	public mixed $complexType;
+
+}

tests/Fixtures/ResponseEntity/NativeUnionEntity.php

@@ -13,4 +13,9 @@ class NativeUnionEntity
 
 	public DateTime|int $dateOrInt;
 
+	public array|int $arrayOrInt;
+
+	/** @var string[]|string */
+	public array|string $strings;
+
 }

tests/Fixtures/ResponseEntity/TypedResponseEntity.php

@@ -23,4 +23,9 @@ class TypedResponseEntity
 	// phpcs:ignore
 	public $untypedProperty;
 
+	public array $untypedArray;
+
+	/** @var int[] */
+	public array $arrayOfInt;
+
 }