<?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:----NTYyMTg1MTI2NDg5OTg1MyA4NTkyNTEwMjk1NTg1NzUwIDI3MDgwNTkzNDY0MjMxOTg=