<?php

namespace Finite\Event;

use Finite\Event\Callback\Callback;
use Finite\Event\Callback\CallbackBuilder;
use Finite\StateMachine\StateMachineInterface;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;

/**
 * Manage callback-to-event bindings by trigger spec definition.
 *
 * @author Yohan Giarelli <yohan@frequence-web.fr>
 */
class CallbackHandler
{
    /**
     * @deprecated To be removed in 2.0
     */
    const ALL = 'all';

    /**
     * @var EventDispatcherInterface
     */
    protected $dispatcher;

    /**
     * @var OptionsResolver
     */
    protected $specResolver;

    /**
     * @param EventDispatcherInterface $dispatcher
     */
    public function __construct(EventDispatcherInterface $dispatcher)
    {
        $this->dispatcher = $dispatcher;
        $this->specResolver = new OptionsResolver();
        $this->specResolver->setDefaults(
            array(
                'on' => self::ALL,
                'from' => self::ALL,
                'to' => self::ALL,
            )
        );

        $this->specResolver->setAllowedTypes('on', array('string', 'array'));
        $this->specResolver->setAllowedTypes('from', array('string', 'array'));
        $this->specResolver->setAllowedTypes('to', array('string', 'array'));

        $toArrayNormalizer = function (Options $options, $value) {
            return (array) $value;
        };

        $this->specResolver->setNormalizer('on', $toArrayNormalizer);
        $this->specResolver->setNormalizer('from', $toArrayNormalizer);
        $this->specResolver->setNormalizer('to', $toArrayNormalizer);
    }

    /**
     * @param StateMachineInterface|Callback $smOrCallback
     * @param callable                       $callback
     * @param array                          $spec
     *
     * @return CallbackHandler
     */
    public function addBefore($smOrCallback, $callback = null, array $spec = array())
    {
        $this->add($smOrCallback, FiniteEvents::PRE_TRANSITION, $callback, $spec);

        return $this;
    }

    /**
     * @param StateMachineInterface|Callback $smOrCallback
     * @param callable                       $callback
     * @param array                          $spec
     *
     * @return CallbackHandler
     */
    public function addAfter($smOrCallback, $callback = null, array $spec = array())
    {
        $this->add($smOrCallback, FiniteEvents::POST_TRANSITION, $callback, $spec);

        return $this;
    }

    /**
     * @param StateMachineInterface|Callback $smOrCallback
     * @param string                         $event
     * @param callable                       $callable
     * @param array                          $specs
     *
     * @return CallbackHandler
     */
    protected function add($smOrCallback, $event, $callable = null, array $specs = array())
    {
        if ($smOrCallback instanceof Callback) {
            $this->dispatcher->addListener($event, $smOrCallback);

            return $this;
        }

        trigger_error(
            'Use of CallbackHandler::add without a Callback instance is deprecated and will be removed in 2.0',
            E_USER_DEPRECATED
        );

        $specs = $this->specResolver->resolve($specs);
        $callback = CallbackBuilder::create($smOrCallback, $specs['from'], $specs['to'], $specs['on'], $callable)->getCallback();

        $this->dispatcher->addListener($event, $callback);

        return $this;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzA0Njk3NTAwNjI5OTYxNiA2NjYwNDkwMDU1NTU5MzYxIDE2MzMzMTYzMDI2OTU4NjI=