<?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
 */

use PrestaShop\Module\PrestashopFacebook\Repository\ServerInformationRepository;

class Ps_FacebookApiHealthCheckModuleFrontController extends ModuleFrontController
{
    /** @var Ps_facebook */
    public $module;

    /**
     * @return void
     */
    public function postProcess()
    {
        /** @var ServerInformationRepository $serverInformationRepository */
        $serverInformationRepository = $this->module->getService(ServerInformationRepository::class);

        $status = $serverInformationRepository->getHealthCheckData();

        $this->exitWithResponse($status);
    }

    /**
     * Override displayMaintenancePage to prevent the maintenance page to be displayed
     *
     * @see FrontController::displayMaintenancePage()
     */
    protected function displayMaintenancePage()
    {
    }

    /**
     * Override displayRestrictedCountryPage to prevent page country is not allowed
     *
     * @see FrontController::displayRestrictedCountryPage()
     */
    protected function displayRestrictedCountryPage()
    {
    }

    /**
     * Override geolocationManagement to prevent country GEOIP blocking
     *
     * @see FrontController::geolocationManagement()
     *
     * @param Country $defaultCountry
     *
     * @return false
     */
    protected function geolocationManagement($defaultCountry)
    {
        return false;
    }

    /**
     * @param array $response
     *
     * @return void
     */
    protected function exitWithResponse(array $response)
    {
        $httpCode = isset($response['httpCode']) ? (int) $response['httpCode'] : 200;

        $this->dieWithResponse($response, $httpCode);
    }

    /**
     * @param array $response
     * @param int $code
     *
     * @return void
     */
    private function dieWithResponse(array $response, $code)
    {
        $httpStatusText = "HTTP/1.1 $code";
        $response['httpCode'] = (int) $code;

        header('Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
        header('Content-Type: application/json;charset=utf-8');
        header($httpStatusText);

        echo json_encode($response, JSON_UNESCAPED_SLASHES);

        exit;
    }
}