class AttributeAutoconfigurationPass

final class AttributeAutoconfigurationPass extends AbstractRecursivePass {
    protected bool $skipScalars = true;
    private array $classAttributeConfigurators = [];
    private array $methodAttributeConfigurators = [];
    private array $propertyAttributeConfigurators = [];
    private array $parameterAttributeConfigurators = [];
    public function process(ContainerBuilder $container) : void {
        if (!$container->getAutoconfiguredAttributes()) {
            return;
        }
        foreach ($container->getAutoconfiguredAttributes() as $attributeName => $callable) {
            $callableReflector = new \ReflectionFunction($callable(...));
            if ($callableReflector->getNumberOfParameters() <= 2) {
                $this->classAttributeConfigurators[$attributeName] = $callable;
                continue;
            }
            $reflectorParameter = $callableReflector->getParameters()[2];
            $parameterType = $reflectorParameter->getType();
            $types = [];
            if ($parameterType instanceof \ReflectionUnionType) {
                foreach ($parameterType->getTypes() as $type) {
                    $types[] = $type->getName();
                }
            }
            elseif ($parameterType instanceof \ReflectionNamedType) {
                $types[] = $parameterType->getName();
            }
            else {
                throw new LogicException(\sprintf('Argument "$%s" of attribute autoconfigurator should have a type, use one or more of "\\ReflectionClass|\\ReflectionMethod|\\ReflectionProperty|\\ReflectionParameter|\\Reflector" in "%s" on line "%d".', $reflectorParameter->getName(), $callableReflector->getFileName(), $callableReflector->getStartLine()));
            }
            try {
                $attributeReflector = new \ReflectionClass($attributeName);
            } catch (\ReflectionException) {
                continue;
            }
            $targets = $attributeReflector->getAttributes(\Attribute::class)[0] ?? 0;
            $targets = $targets ? $targets->getArguments()[0] ?? -1 : 0;
            foreach ([
                'class',
                'method',
                'property',
                'parameter',
            ] as $symbol) {
                if ([
                    'Reflector',
                ] !== $types) {
                    if (!\in_array('Reflection' . ucfirst($symbol), $types, true)) {
                        continue;
                    }
                    if (!($targets & \constant('Attribute::TARGET_' . strtoupper($symbol)))) {
                        throw new LogicException(\sprintf('Invalid type "Reflection%s" on argument "$%s": attribute "%s" cannot target a ' . $symbol . ' in "%s" on line "%d".', ucfirst($symbol), $reflectorParameter->getName(), $attributeName, $callableReflector->getFileName(), $callableReflector->getStartLine()));
                    }
                }
                $this->{$symbol . 'AttributeConfigurators'}[$attributeName] = $callable;
            }
        }
        parent::process($container);
    }
    protected function processValue(mixed $value, bool $isRoot = false) : mixed {
        if (!$value instanceof Definition || !$value->isAutoconfigured() || $value->isAbstract() || $value->hasTag('container.ignore_attributes') || !($classReflector = $this->container
            ->getReflectionClass($value->getClass(), false))) {
            return parent::processValue($value, $isRoot);
        }
        $instanceof = $value->getInstanceofConditionals();
        $conditionals = $instanceof[$classReflector->getName()] ?? new ChildDefinition('');
        if ($this->classAttributeConfigurators) {
            foreach ($classReflector->getAttributes() as $attribute) {
                if ($configurator = $this->findConfigurator($this->classAttributeConfigurators, $attribute->getName())) {
                    $configurator($conditionals, $attribute->newInstance(), $classReflector);
                }
            }
        }
        if ($this->parameterAttributeConfigurators) {
            try {
                $constructorReflector = $this->getConstructor($value, false);
            } catch (RuntimeException) {
                $constructorReflector = null;
            }
            if ($constructorReflector) {
                foreach ($constructorReflector->getParameters() as $parameterReflector) {
                    foreach ($parameterReflector->getAttributes() as $attribute) {
                        if ($configurator = $this->findConfigurator($this->parameterAttributeConfigurators, $attribute->getName())) {
                            $configurator($conditionals, $attribute->newInstance(), $parameterReflector);
                        }
                    }
                }
            }
        }
        if ($this->methodAttributeConfigurators || $this->parameterAttributeConfigurators) {
            foreach ($classReflector->getMethods(\ReflectionMethod::IS_PUBLIC) as $methodReflector) {
                if ($methodReflector->isConstructor() || $methodReflector->isDestructor()) {
                    continue;
                }
                if ($this->methodAttributeConfigurators) {
                    foreach ($methodReflector->getAttributes() as $attribute) {
                        if ($configurator = $this->findConfigurator($this->methodAttributeConfigurators, $attribute->getName())) {
                            $configurator($conditionals, $attribute->newInstance(), $methodReflector);
                        }
                    }
                }
                if ($this->parameterAttributeConfigurators) {
                    foreach ($methodReflector->getParameters() as $parameterReflector) {
                        foreach ($parameterReflector->getAttributes() as $attribute) {
                            if ($configurator = $this->findConfigurator($this->parameterAttributeConfigurators, $attribute->getName())) {
                                $configurator($conditionals, $attribute->newInstance(), $parameterReflector);
                            }
                        }
                    }
                }
            }
        }
        if ($this->propertyAttributeConfigurators) {
            foreach ($classReflector->getProperties(\ReflectionProperty::IS_PUBLIC) as $propertyReflector) {
                if ($propertyReflector->isStatic()) {
                    continue;
                }
                foreach ($propertyReflector->getAttributes() as $attribute) {
                    if ($configurator = $this->findConfigurator($this->propertyAttributeConfigurators, $attribute->getName())) {
                        $configurator($conditionals, $attribute->newInstance(), $propertyReflector);
                    }
                }
            }
        }
        if (!isset($instanceof[$classReflector->getName()]) && new ChildDefinition('') != $conditionals) {
            $instanceof[$classReflector->getName()] = $conditionals;
            $value->setInstanceofConditionals($instanceof);
        }
        return parent::processValue($value, $isRoot);
    }
    
    /**
     * Find the first configurator for the given attribute name, looking up the class hierarchy.
     */
    private function findConfigurator(array &$configurators, string $attributeName) : ?callable {
        if (\array_key_exists($attributeName, $configurators)) {
            return $configurators[$attributeName];
        }
        if (class_exists($attributeName) && ($parent = get_parent_class($attributeName))) {
            return $configurators[$attributeName] = self::findConfigurator($configurators, $parent);
        }
        return $configurators[$attributeName] = null;
    }

}