<?php

declare(strict_types=1);

namespace KupShop\AdminBundle\Util;

use KupShop\KupShopBundle\Config;
use KupShop\KupShopBundle\Util\Compat\ServiceContainer;
use KupShop\KupShopBundle\Util\System\BundleFinder;

class ShopStoreUtils
{
    public const CACHE_KEY = 'shop_modules';

    public function getModules(bool $skipCache = false): array
    {
        $modules = null;

        if (!$skipCache) {
            $modules = getCache(self::CACHE_KEY);
        }

        if (!$modules) {
            $modules = $this->fetchModules();

            $this->updateModulesAttributes($modules['modules']);
            $this->updateCategoriesAttributes($modules['categories'], $modules['modules']);

            if ($modules) {
                setCache(self::CACHE_KEY, $modules);
            }
        }

        return $modules;
    }

    public function fetchModules()
    {
        $modules = file_get_contents('https://klient.wpj.cz/__shop__/modules/');

        return json_decode($modules, true);
    }

    public function updateModulesAttributes(array &$modules)
    {
        foreach ($modules as $id => &$module) {
            try {
                $module['id'] = $id;
                $this->updateModuleFlags($module);
            } catch (\Throwable $e) {
                $module['active'] = false;
                if (isSuperuser() || isFunctionalTests()) {
                    $module['title'] .= ' !!Chyba!! '.$e->getMessage();
                }
            }
        }
    }

    public function updateCategoriesAttributes(array &$sections, array $modules)
    {
        foreach ($sections as $id => &$section) {
            $section['id'] = $id;
            $section['count'] = count(array_filter($modules, fn ($module) => in_array($id, $module['categories']) && $module['visible'] === 1));
        }
    }

    public function isModuleActive($module)
    {
        $modules = array_filter(array_map(fn ($x) => trim($x), explode("\n", $module['enabled_modules'])));

        $modulesWrapper = \ModulesWrapper::getInstance();

        $active = !empty($module['enabled_expression']);

        foreach ($modules as $mod) {
            if ($modulesWrapper[$mod]) {
                $active = true;
            }
        }

        if ($active && $module['enabled_expression']) {
            $dbcfg = \Settings::getDefault();
            $cfg = Config::get();
            $bundles = $this->getActiveBundles();

            return (bool) eval($module['enabled_expression']);
        }

        return $active;
    }

    public function updateModuleFlags(&$module)
    {
        if ($module['date_update']) {
            $date = \DateTime::createFromFormat('Y-m-d\TH:i:s', $module['date_update']);
            if ($date > new \DateTime('14 days ago')) {
                $module['new'] = true;
            }
        }

        $module['recommend'] = in_array(2, $module['categories']);

        $module['active'] = $this->isModuleActive($module);
    }

    private function getActiveBundles(): array
    {
        static $bundles = null;

        if ($bundles === null) {
            $bundles = array_map(
                function (string $bundleFqn) {
                    $splitFqn = explode('\\', $bundleFqn);

                    if (empty($splitFqn)) {
                        return null;
                    }

                    return $splitFqn[count($splitFqn) - 1];
                },
                ServiceContainer::getService(BundleFinder::class)->getBundles(),
            );
        }

        return $bundles;
    }
}