<?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:----MTM4NDk3OTA4MjQwMjUzNiA3MjI2MTk0ODUwMDc1MjM0IDYwNzQ5MjM1ODc3MjQzNjM=