<?php
/**
 * For the full copyright and license information, please view the
 * docs/licenses/LICENSE.txt file that was distributed with this source code.
 */

namespace PrestaShopBundle\DataCollector;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\DataCollector\DataCollector;
use Throwable;

/**
 * Collect all information about Legacy hooks and make it available
 * in the Symfony Web profiler.
 */
final class HookDataCollector extends DataCollector
{
    /**
     * @var HookRegistry
     */
    private $registry;

    public function __construct(HookRegistry $registry)
    {
        $this->registry = $registry;
    }

    /**
     * {@inheritdoc}
     */
    public function collect(Request $request, Response $response, ?Throwable $exception = null)
    {
        $hooks = $this->registry->getHooks();
        $calledHooks = $this->registry->getCalledHooks();
        $notCalledHooks = $this->registry->getNotCalledHooks();
        $notRegisteredHooks = $this->registry->getNotRegisteredHooks();
        $this->data = [
            'hooks' => $this->stringifyHookArguments($hooks),
            'calledHooks' => $this->stringifyHookArguments($calledHooks),
            'notCalledHooks' => $this->stringifyHookArguments($notCalledHooks),
            'notRegisteredHooks' => $this->stringifyHookArguments($notRegisteredHooks),
        ];
    }

    /**
     * Return the list of every dispatched legacy hooks during one request.
     *
     * @return array
     */
    public function getHooks()
    {
        return $this->data['hooks'];
    }

    /**
     * Return the list of every called legacy hooks during one request.
     *
     * @return array
     */
    public function getCalledHooks()
    {
        return $this->data['calledHooks'];
    }

    /**
     * Return the list of every uncalled legacy hooks during oHookne request.
     *
     * @return array
     */
    public function getNotCalledHooks()
    {
        return $this->data['notCalledHooks'];
    }

    /**
     * Return the list of every uncalled legacy hooks during oHookne request.
     *
     * @return array
     */
    public function getNotRegisteredHooks()
    {
        return $this->data['notRegisteredHooks'];
    }

    /**
     * {@inheritdoc}
     */
    public function reset()
    {
        $this->data = [];
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'ps.hooks_collector';
    }

    /**
     * @param array $hooksList
     *
     * @return array a better representation of arguments for HTML rendering
     */
    private function stringifyHookArguments(array &$hooksList)
    {
        foreach ($hooksList as &$hook) {
            $hook['args'] = $this->cloneVar($hook['args']);

            foreach ($hook['modules'] as &$modulesByType) {
                foreach ($modulesByType as $type => &$module) {
                    if (empty($module)) {
                        unset($modulesByType[$type]);
                    }

                    if (array_key_exists('args', $module)) {
                        $module['args'] = $this->cloneVar($module['args']);
                    }
                }
            }
        }

        return $hooksList;
    }
}