<?php

namespace Invoker\ParameterResolver;

use ReflectionFunctionAbstract;

/**
 * Dispatches the call to other resolvers until all parameters are resolved.
 *
 * Chain of responsibility pattern.
 */
class ResolverChain implements ParameterResolver
{
    /** @var ParameterResolver[] */
    private $resolvers;

    public function __construct(array $resolvers = [])
    {
        $this->resolvers = $resolvers;
    }

    public function getParameters(
        ReflectionFunctionAbstract $reflection,
        array $providedParameters,
        array $resolvedParameters,
    ): array {
        $reflectionParameters = $reflection->getParameters();

        foreach ($this->resolvers as $resolver) {
            $resolvedParameters = $resolver->getParameters(
                $reflection,
                $providedParameters,
                $resolvedParameters
            );

            $diff = array_diff_key($reflectionParameters, $resolvedParameters);
            if (empty($diff)) {
                // Stop traversing: all parameters are resolved
                return $resolvedParameters;
            }
        }

        return $resolvedParameters;
    }

    /**
     * Push a parameter resolver after the ones already registered.
     */
    public function appendResolver(ParameterResolver $resolver): void
    {
        $this->resolvers[] = $resolver;
    }

    /**
     * Insert a parameter resolver before the ones already registered.
     */
    public function prependResolver(ParameterResolver $resolver): void
    {
        array_unshift($this->resolvers, $resolver);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Nzc4OTg0NDI2NzU3NjI4NyA3OTg1NzYxNDY1NzA1ODk0IDM0NDUxNzYwNTEzOTMzMzU=