<?php

use Alchemy\Phrasea\Application;
use Alchemy\Phrasea\Core\Configuration\PropertyAccess;

class patch_418RC7 implements patchInterface
{
    /** @var string */
    private $release = '4.1.8-rc7';

    /** @var array */
    private $concern = [base::DATA_BOX];

    /**
     * {@inheritdoc}
     */
    public function get_release()
    {
        return $this->release;
    }

    /**
     * {@inheritdoc}
     */
    public function getDoctrineMigrations()
    {
        return [];
    }

    /**
     * {@inheritdoc}
     */
    public function require_all_upgrades()
    {
        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function concern()
    {
        return $this->concern;
    }

    /**
     * {@inheritdoc}
     */
    public function apply(base $base, Application $app)
    {
        if ($base->get_base_type() === base::DATA_BOX) {
            $this->patch_databox($base, $app);
        }
        elseif ($base->get_base_type() === base::APPLICATION_BOX) {
            $this->patch_appbox($base, $app);
        }

        return true;
    }

    private $thumbSubstitution = null;

    public function patch_databox(databox $databox, Application $app)
    {
        /** @var PropertyAccess $conf */
        $conf = $app['conf'];

        if ($this->thumbSubstitution === null) {
            // first db
            $this->thumbSubstitution = $conf->get(['registry', 'modules', 'thumb-substitution']);
            $conf->remove(['registry', 'modules', 'thumb-substitution']);
        }

        if ($this->thumbSubstitution) {
            $dom_struct = $databox->get_dom_structure();
            $dom_xp = $databox->get_xpath_structure();

            $nodes = $dom_xp->query('//record/subdefs/subdefgroup/subdef[@name="thumbnail"]');
            for ($i = 0; $i < $nodes->length; $i++) {
                /** @var \DOMElement $node */
                $node = $nodes->item($i);
                $node->setAttribute('substituable', 'true');
            }

            $databox->saveStructure($dom_struct);
        }
    }

    private function patch_appbox(base $appbox, Application $app)
    {
    }
}