<?php

namespace DeliciousBrains\WPMDB\Container\DI\Definition\Resolver;

use DeliciousBrains\WPMDB\Container\DI\Definition\DecoratorDefinition;
use DeliciousBrains\WPMDB\Container\DI\Definition\Definition;
use DeliciousBrains\WPMDB\Container\DI\Definition\Exception\DefinitionException;
use DeliciousBrains\WPMDB\Container\Interop\Container\ContainerInterface;
/**
 * Resolves a decorator definition to a value.
 *
 * @since 5.0
 * @author Matthieu Napoli <matthieu@mnapoli.fr>
 */
class DecoratorResolver implements DefinitionResolver
{
    /**
     * @var ContainerInterface
     */
    private $container;
    /**
     * @var DefinitionResolver
     */
    private $definitionResolver;
    /**
     * The resolver needs a container. This container will be passed to the factory as a parameter
     * so that the factory can access other entries of the container.
     *
     * @param ContainerInterface $container
     * @param DefinitionResolver $definitionResolver Used to resolve nested definitions.
     */
    public function __construct(ContainerInterface $container, DefinitionResolver $definitionResolver)
    {
        $this->container = $container;
        $this->definitionResolver = $definitionResolver;
    }
    /**
     * Resolve a decorator definition to a value.
     *
     * This will call the callable of the definition and pass it the decorated entry.
     *
     * @param DecoratorDefinition $definition
     *
     * {@inheritdoc}
     */
    public function resolve(Definition $definition, array $parameters = [])
    {
        $callable = $definition->getCallable();
        if (!\is_callable($callable)) {
            throw new DefinitionException(\sprintf('The decorator "%s" is not callable', $definition->getName()));
        }
        $decoratedDefinition = $definition->getDecoratedDefinition();
        if (!$decoratedDefinition instanceof Definition) {
            if (!$definition->getSubDefinitionName()) {
                throw new DefinitionException('Decorators cannot be nested in another definition');
            }
            throw new DefinitionException(\sprintf('Entry "%s" decorates nothing: no previous definition with the same name was found', $definition->getName()));
        }
        $decorated = $this->definitionResolver->resolve($decoratedDefinition);
        return \call_user_func($callable, $decorated, $this->container);
    }
    /**
     * {@inheritdoc}
     */
    public function isResolvable(Definition $definition, array $parameters = [])
    {
        return \true;
    }
}
