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 8.32
1<?php
2
3declare(strict_types=1);
4
5namespace Celemas\Wire;
6
7use Celemas\Wire\Exception\WireException;
8use ReflectionNamedType;
9use ReflectionParameter;
10
11final class ParameterResolver
12{
13    public function __construct(
14        private readonly CreatorInterface $creator,
15    ) {}
16
17    public function resolve(
18        ReflectionParameter $param,
19        array $predefinedTypes,
20        ?callable $injectCallback,
21    ): mixed {
22        $type = $param->getType();
23
24        if ($type instanceof ReflectionNamedType) {
25            $container = $this->creator->container();
26            $typeName = ltrim($type->getName(), '?');
27
28            if (isset($predefinedTypes[$typeName])) {
29                return $predefinedTypes[$typeName];
30            }
31
32            if ($container?->has($typeName)) {
33                return $container->get($typeName);
34            }
35
36            if (class_exists($typeName)) {
37                return $this->creator->create(
38                    $typeName,
39                    predefinedTypes: $predefinedTypes,
40                    injectCallback: $injectCallback,
41                );
42            }
43
44            if ($param->isDefaultValueAvailable()) {
45                return $param->getDefaultValue();
46            }
47
48            throw new WireException(
49                "Unresolvable parameter. Source: \n" . ParameterInfo::info($param),
50            );
51        }
52
53        if ($type) {
54            throw new WireException(
55                "Cannot resolve union or intersection types. Source: \n" . ParameterInfo::info($param),
56            );
57        }
58
59        throw new WireException(
60            "To be resolvable, classes must have fully typed constructor parameters. Source: \n"
61                . ParameterInfo::info($param),
62        );
63    }
64}