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1<?php
2namespace Apie\Core\Metadata\Fields;
3
4use Apie\Core\Context\ApieContext;
5use Apie\Core\Metadata\GetterInterface;
6use Apie\Core\Metadata\SetterInterface;
7use ReflectionType;
8
9class OptionalField implements FieldWithPossibleDefaultValue, GetterInterface, SetterInterface
10{
11    public function __construct(private FieldInterface $field1, private ?FieldInterface $field2 = null)
12    {
13    }
14
15    public function hasDefaultValue(): bool
16    {
17        if ($this->field1 instanceof FieldWithPossibleDefaultValue && $this->field1->hasDefaultValue()) {
18            return true;
19        }
20
21        return $this->field2 instanceof FieldWithPossibleDefaultValue && $this->field2->hasDefaultValue();
22    }
23
24    public function getDefaultValue(): mixed
25    {
26        if ($this->field1 instanceof FieldWithPossibleDefaultValue && $this->field1->hasDefaultValue()) {
27            return $this->field1->getDefaultValue();
28        }
29        assert($this->field2 instanceof FieldWithPossibleDefaultValue);
30        return $this->field2->getDefaultValue();
31    }
32
33    public function allowsNull(): bool
34    {
35        if ($this->field2 && $this->field2->allowsNull()) {
36            return true;
37        }
38        return $this->field1->allowsNull();
39    }
40
41    public function isRequired(): bool
42    {
43        if ($this->field2 !== null && !$this->field2->isRequired()) {
44            return false;
45        }
46
47        return $this->field1->isRequired();
48    }
49
50    public function isField(): bool
51    {
52        if ($this->field2 !== null && !$this->field2->isField()) {
53            return false;
54        }
55        return $this->field1->isField();
56    }
57
58    public function appliesToContext(ApieContext $apieContext): bool
59    {
60        return $this->field1->appliesToContext($apieContext);
61    }
62
63    public function getFieldPriority(): ?int
64    {
65        return min($this->field1->getFieldPriority(), $this->field2->getFieldPriority());
66    }
67
68    public function setValue(object $object, mixed $value, ApieContext $apieContext): void
69    {
70        if ($this->field1 instanceof SetterInterface) {
71            $this->field1->setValue($this->field1, $value, $apieContext);
72        }
73        if ($this->field2 instanceof SetterInterface) {
74            $this->field2->setValue($this->field1, $value, $apieContext);
75        }
76    }
77
78    public function markValueAsMissing(): void
79    {
80        if ($this->field1 instanceof SetterInterface) {
81            $this->field1->markValueAsMissing();
82        }
83        if ($this->field2 instanceof SetterInterface) {
84            $this->field2->markValueAsMissing();
85        }
86    }
87
88    public function getValue(object $object, ApieContext $apieContext): mixed
89    {
90        if ($this->field1 instanceof GetterInterface) {
91            return $this->field1->getValue($object, $apieContext);
92        }
93        if ($this->field2 instanceof GetterInterface) {
94            return $this->field2->getValue($object, $apieContext);
95        }
96
97        return null;
98    }
99
100    public function getTypehint(): ?ReflectionType
101    {
102        // TODO: merge with $this->field2
103        return $this->field1->getTypehint();
104    }
105
106    public function getAttributes(string $attributeClass, bool $classDocBlock = true, bool $propertyDocblock = true, bool $argumentDocBlock = true): array
107    {
108        $attributes = $this->field1->getAttributes($attributeClass, $classDocBlock, $propertyDocblock, $argumentDocBlock);
109        if (!empty($attributes)) {
110            return $attributes;
111        }
112        return$this->field2->getAttributes($attributeClass, $classDocBlock, $propertyDocblock, $argumentDocBlock);
113    }
114}