<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License version 3.0
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/AFL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
 */
if (!defined('_PS_VERSION_')) {
    exit;
}

if (file_exists(__DIR__ . '/vendor/autoload.php')) {
    require_once __DIR__ . '/vendor/autoload.php';
}

use PrestaShop\Module\LinkList\DataMigration;
use PrestaShop\Module\LinkList\Filter\BestSalesRouteFilter;
use PrestaShop\Module\LinkList\Filter\LinkFilter;
use PrestaShop\Module\LinkList\LegacyLinkBlockRepository;
use PrestaShop\Module\LinkList\Model\LinkBlockLang;
use PrestaShop\Module\LinkList\Presenter\LinkBlockPresenter;
use PrestaShop\Module\LinkList\Repository\LinkBlockRepository;
use PrestaShop\PrestaShop\Adapter\SymfonyContainer;
use PrestaShop\PrestaShop\Core\Module\WidgetInterface;

/**
 * Class Ps_Linklist.
 */
class Ps_Linklist extends Module implements WidgetInterface
{
    /**
     * @var string Name of the module running on PS 1.6.x. Used for data migration.
     */
    const PS_16_EQUIVALENT_MODULE = 'blockcms';

    const MODULE_NAME = 'ps_linklist';

    protected $_html;
    protected $_display;
    /**
     * @var LinkBlockPresenter
     */
    private $linkBlockPresenter;
    /**
     * @var LegacyLinkBlockRepository
     */
    private $legacyBlockRepository;
    /**
     * @var LinkBlockRepository|LegacyLinkBlockRepository|null
     */
    private $repository;

    public $templateFile;

    /**
     * @var string
     */
    public $templateFileColumn;

    public function __construct()
    {
        $this->name = 'ps_linklist';
        $this->author = 'PrestaShop';
        $this->version = '6.0.7';
        $this->need_instance = 0;
        $this->tab = 'front_office_features';

        $tabNames = [];
        foreach (Language::getLanguages(true) as $lang) {
            $tabNames[$lang['locale']] = $this->trans('Link List', [], 'Modules.Linklist.Admin', $lang['locale']);
        }
        $this->tabs = [
            [
                'route_name' => 'admin_link_block_list',
                'class_name' => 'AdminLinkWidget',
                'visible' => true,
                'name' => $tabNames,
                'parent_class_name' => 'AdminParentThemes',
                'wording' => 'Link List',
                'wording_domain' => 'Modules.Linklist.Admin',
            ],
        ];

        $this->bootstrap = true;
        parent::__construct();

        $this->displayName = $this->trans('Link List', [], 'Modules.Linklist.Admin');
        $this->description = $this->trans('Give more visibility to your content/static pages (CMS, external pages, or else), where you want and when you want, to make your visitors feel like shopping on your store.', [], 'Modules.Linklist.Admin');

        $this->ps_versions_compliancy = ['min' => '8.1.0', 'max' => _PS_VERSION_];
        $this->templateFile = 'module:ps_linklist/views/templates/hook/linkblock.tpl';
        $this->templateFileColumn = 'module:ps_linklist/views/templates/hook/linkblock-column.tpl';

        $this->linkBlockPresenter = new LinkBlockPresenter(
            new Link(),
            $this->context->language,
            new LinkFilter([
                new BestSalesRouteFilter(),
            ])
        );
        $this->legacyBlockRepository = new LegacyLinkBlockRepository(Db::getInstance(), $this->context->shop, $this->context->getTranslator());
    }

    public function install()
    {
        if (Shop::isFeatureActive()) {
            Shop::setContext(Shop::CONTEXT_ALL);
        }

        if (!parent::install()) {
            return false;
        }

        $tablesInstalledWithSuccess = $this->createTables();

        if (!$tablesInstalledWithSuccess) {
            $this->uninstall();

            return false;
        }

        $old16ModuleUninstalledWithSuccess = $this->uninstallPrestaShop16Module();

        if ($old16ModuleUninstalledWithSuccess) {
            (new DataMigration(Db::getInstance()))->migrateData();
            $dataLoadedWithSuccess = true;
        } else {
            $dataLoadedWithSuccess = $this->installFixtures();
        }
        $dataLoadedWithSuccess = $dataLoadedWithSuccess
            && $this->registerHook('displayFooter')
            && $this->registerHook('actionUpdateLangAfter')
            && $this->registerHook('actionGeneralPageSave');
        if ($dataLoadedWithSuccess) {
            return true;
        }

        $this->uninstall();

        return false;
    }

    /**
     * @return bool
     *
     * @throws \Doctrine\DBAL\Exception
     */
    private function createTables()
    {
        $result = $this->getRepository()->createTables();
        if (false === $result || (is_array($result) && !empty($result))) {
            if (is_array($result)) {
                $this->addModuleErrors($result);
            }

            return false;
        }

        return true;
    }

    /**
     * @return bool
     *
     * @throws \Doctrine\DBAL\Exception
     */
    private function installFixtures()
    {
        $result = $this->getRepository()->installFixtures();
        if (false === $result || (is_array($result) && !empty($result))) {
            if (is_array($result)) {
                $this->addModuleErrors($result);
            }

            return false;
        }

        return true;
    }

    public function uninstall()
    {
        $uninstalled = true;
        $result = $this->getRepository()->dropTables();
        if (false === $result || (is_array($result) && !empty($result))) {
            if (is_array($result)) {
                $this->addModuleErrors($result);
            }
            $uninstalled = false;
        }

        return $uninstalled && parent::uninstall();
    }

    /**
     * Migrate data from 1.6 equivalent module (if applicable), then uninstall
     */
    private function uninstallPrestaShop16Module()
    {
        if (!Module::isInstalled(self::PS_16_EQUIVALENT_MODULE)) {
            return false;
        }
        $oldModule = Module::getInstanceByName(self::PS_16_EQUIVALENT_MODULE);
        if ($oldModule) {
            // This closure calls the parent class to prevent data to be erased
            // It allows the new module to be configured without migration
            $parentUninstallClosure = function () {
                return parent::uninstall();
            };
            $parentUninstallClosure = $parentUninstallClosure->bindTo($oldModule, get_class($oldModule));
            $parentUninstallClosure();
        }

        return true;
    }

    public function hookActionUpdateLangAfter($params)
    {
        if (!empty($params['lang']) && $params['lang'] instanceof Language) {
            Language::updateMultilangFromClass(_DB_PREFIX_ . 'link_block_lang', LinkBlockLang::class, $params['lang']);
        }
    }

    public function hookActionGeneralPageSave()
    {
        $this->_clearCache('');
    }

    public function _clearCache($template, $cache_id = null, $compile_id = null)
    {
        return array_sum([
            parent::_clearCache($this->templateFile),
            parent::_clearCache($this->templateFileColumn),
        ]);
    }

    public function getContent()
    {
        // We need to explicitely get Symfony container, because $this->get will use the admin legacy container
        $sfContainer = SymfonyContainer::getInstance();
        $router = $sfContainer->get('router');
        Tools::redirectAdmin(
            $router->generate('admin_link_block_list')
        );
    }

    public function renderWidget($hookName, array $configuration)
    {
        $key = 'ps_linklist|' . $hookName;

        if (
            in_array($hookName, [
                'displayLeftColumn',
                'displayLeftColumnProduct',
                'displayRightColumn',
                'displayRightColumnProduct',
            ])
        ) {
            $template = $this->templateFileColumn;
        } else {
            $template = $this->templateFile;
        }

        if (!$this->isCached($template, $this->getCacheId($key))) {
            $this->smarty->assign($this->getWidgetVariables($hookName, $configuration));
        }

        return $this->fetch($template, $this->getCacheId($key));
    }

    public function getWidgetVariables($hookName, array $configuration)
    {
        $id_hook = Hook::getIdByName($hookName);

        $linkBlocks = $this->legacyBlockRepository->getByIdHook($id_hook);

        $blocks = [];
        foreach ($linkBlocks as $block) {
            $blocks[] = $this->linkBlockPresenter->present($block);
        }

        return [
            'linkBlocks' => $blocks,
            'hookName' => $hookName,
        ];
    }

    /**
     * @param array $errors
     */
    private function addModuleErrors(array $errors)
    {
        foreach ($errors as $error) {
            $this->_errors[] = $this->trans($error['key'], $error['parameters'], $error['domain']);
        }
    }

    /**
     * @return LinkBlockRepository|LegacyLinkBlockRepository
     */
    private function getRepository()
    {
        if (null === $this->repository) {
            try {
                $this->repository = $this->get('prestashop.module.link_block.repository');
            } catch (Throwable $e) {
                try {
                    $container = SymfonyContainer::getInstance();
                    if (null !== $container) {
                        $this->repository = $container->get('prestashop.module.link_block.repository');
                    }
                } catch (Throwable $e) {
                }
            }
        }

        // Container is not available so we use legacy repository as fallback
        if (!$this->repository) {
            $this->repository = $this->legacyBlockRepository;
        }

        return $this->repository;
    }
}