<?php

namespace KupShop\ContentBundle\View;

use KupShop\ComponentsBundle\View\ComponentsViewInterface;
use KupShop\ComponentsBundle\View\ComponentsViewTrait;
use KupShop\ContentBundle\Exception\PageException;
use KupShop\ContentBundle\Page\HomePage;
use KupShop\KupShopBundle\Context\CacheContext;
use KupShop\KupShopBundle\Context\CurrencyContext;
use KupShop\KupShopBundle\Context\LanguageContext;
use KupShop\KupShopBundle\Util\Compat\ServiceContainer;
use KupShop\KupShopBundle\Util\Contexts;
use KupShop\KupShopBundle\Views\Traits\RequestTrait;
use KupShop\KupShopBundle\Views\View;
use KupShop\MetricsBundle\PrometheusWrapper;
use KupShop\ResponseCacheBundle\Util\Cache\ResponseCache;
use Symfony\Component\HttpFoundation\Request;

class HomeView extends View implements ComponentsViewInterface
{
    use RequestTrait;
    use ComponentsViewTrait;

    protected $template = 'home.tpl';
    protected string $entrypoint = 'home';

    /** @var LanguageContext */
    private $languageContext;

    /** @var CurrencyContext */
    private $currencyContext;

    /** @var HomePage */
    private $homePage;

    public function __construct()
    {
        $this->proxyCacheEnabled = findModule(\Modules::PROXY_CACHE, 'home');
    }

    /**
     * @return $this
     *
     * @required
     */
    public function setLanguageContext(LanguageContext $languageContext)
    {
        $this->languageContext = $languageContext;

        return $this;
    }

    /**
     * @return $this
     *
     * @required
     */
    public function setCurrencyContext(CurrencyContext $currencyContext)
    {
        $this->currencyContext = $currencyContext;

        return $this;
    }

    /**
     * @required
     */
    public function setHomePage(HomePage $homePage): void
    {
        $this->homePage = $homePage;
    }

    public function getHeaderVariables()
    {
        $dbcfg = \Settings::getDefault();

        $header = parent::getHeaderVariables();

        $header['pageTitle'] = $dbcfg['index_title'];
        $header['meta_keywords'] = $dbcfg['index_keywords'];
        $header['meta_description'] = $dbcfg['index_description'];

        return $header;
    }

    public function getBodyVariables()
    {
        $vars = parent::getBodyVariables();

        $this->homePage->setView($this);

        try {
            $page = $this->homePage->getPage();
        } catch (PageException $e) {
            $page = false;
        }

        $vars['html_page'] = $page['block'] ?? null;
        $vars['productsList'] = [];
        $vars['page'] = $page;

        return $vars;
    }

    public function getResponse(?Request $request = null)
    {
        if (findModule(\Modules::RESPONSE_CACHE, 'home')
            && !isFunctionalTests()
            && !getAdminUser()
            && $this->request->get('skip_gtm') === null
        ) {
            $cacheContext = Contexts::get(CacheContext::class);
            $cacheKeyContext = $cacheContext->getKey([CacheContext::TYPE_FULL_PAGE, CacheContext::TYPE_PRICE, CacheContext::TYPE_TEXT]);

            $isHit = false;

            if (!is_null($cacheKeyContext)) {
                $responseCache = ServiceContainer::getService(ResponseCache::class);
                $this->responseCacheEnabled = true;

                $cacheKey = ['home'];
                $cacheKey[] = $cacheKeyContext;
                $cacheKey[] = 'rc';
                $cacheKey = join('-', $cacheKey);

                $response = $responseCache->wrap(function () use ($request) {
                    return parent::getResponse($request);
                }, $cacheKey, 15 * 60, null, $isHit);
            }

            $metrics = ServiceContainer::getService(PrometheusWrapper::class);
            $metrics->setCounter('kupshop', 'home_cache_used', '', 1, ['used' => $isHit ? '1' : '0']);
        }
        if (!isset($response)) {
            $response = parent::getResponse($request);
        }

        return $response;
    }

    public function getWpjToolbar()
    {
        $arr = [
            'url' => getAdminUrl('PagesSystem', ['pageType' => 'HOME']),
            'title' => 'Upravit stránku',
        ];

        return array_merge(parent::getWpjToolbar(), $arr);
    }
}