<?php

namespace DevOwl\RealCookieBanner\view;

use DevOwl\RealCookieBanner\base\UtilsProvider;
use DevOwl\RealCookieBanner\Core;
use DevOwl\RealCookieBanner\view\checklist\Scanner as ChecklistScanner;
use WP_Admin_Bar;
// @codeCoverageIgnoreStart
\defined('ABSPATH') or die('No script kiddies please!');
// Avoid direct file request
// @codeCoverageIgnoreEnd
/**
 * Scanner view.
 * @internal
 */
class Scanner
{
    use UtilsProvider;
    const ACTION_SCANNER_FOUND_SERVICES = 'rcb-scanner-found-services';
    const ACTION_SCAN_THIS_SITE = 'rcb-scan-this-site';
    const TRANSIENT_SERVICES_FOR_NOTICE = RCB_OPT_PREFIX . '-services-for-notice';
    const QUERY_ARG_DISMISS = RCB_OPT_PREFIX . '-scanner-notice-dismissed';
    const MAX_FOUND_SERVICES_LIST_ITEMS = 5;
    /**
     * C'tor.
     */
    private function __construct()
    {
        // Silence is golden.
    }
    /**
     * Show a "Show banner again" button in the admin toolbar in frontend.
     *
     * @param WP_Admin_Bar $admin_bar
     */
    public function admin_bar_menu($admin_bar)
    {
        $configPage = Core::getInstance()->getConfigPage();
        $scanChecklistItem = new ChecklistScanner();
        if ($configPage->isVisible() || !\current_user_can(Core::MANAGE_MIN_CAPABILITY) || !$scanChecklistItem->isChecked()) {
            return;
        }
        if (isset($_GET[self::ACTION_SCAN_THIS_SITE])) {
            \check_admin_referer('rcb-scan-this-site');
            $added = Core::getInstance()->getScanner()->addUrlsToQueue([\get_permalink()], \false);
        }
        $admin_bar->add_menu(['parent' => $configPage->ensureAdminBarTopLevelNode(), 'id' => 'rcb-scanner-scan-again', 'title' => \__('Scan this page', 'real-cookie-banner'), 'href' => \esc_url_raw(\add_query_arg([self::ACTION_SCAN_THIS_SITE => \true, '_wpnonce' => \wp_create_nonce('rcb-scan-this-site')]))]);
        list($services, $countAll) = $this->getServicesForNotice(self::MAX_FOUND_SERVICES_LIST_ITEMS);
        if (\count($services) === 0) {
            return;
        }
        $scannerUrl = $configPage->getUrl() . '#/scanner';
        $admin_bar->add_menu(['parent' => $configPage->ensureAdminBarTopLevelNode(), 'id' => 'rcb-scanner-found-services', 'title' => \sprintf(
            // translators:
            \_n('%d recommendation found', '%d recommendations found', $countAll, 'real-cookie-banner'),
            $countAll
        ), 'href' => $scannerUrl, 'meta' => ['class' => 'menupop', 'html' => \sprintf('<div class="ab-sub-wrapper">
    <style>
        #wp-admin-bar-%1$s,
        #wp-admin-bar-%5$s {
            background: #A67F2A !important;
        }

        #wp-admin-bar-%1$s > .ab-item {
            color: white !important;
        }

        #wp-admin-bar-%5$s > .ab-item > .custom-icon:nth-child(1) {
            display: none !important;
        }

        #wp-admin-bar-%5$s > .ab-item > .custom-icon:nth-child(2) {
            display: inline-block !important;
        }

        #wp-admin-bar-%1$s .ab-submenu:not(.ab-sub-secondary) > li > * {
            padding: 0px 10px;
            width: 400px;
            line-height: 1.3;
        }

        #wp-admin-bar-%1$s .ab-submenu:not(.ab-sub-secondary) > li ul {
            list-style: initial !important;
            margin: 5px 15px;
        }

        #wp-admin-bar-%1$s .ab-submenu:not(.ab-sub-secondary) > li ul > li {
            list-style: initial !important;
            line-height: 1.3;
        }

        #wp-admin-bar-%1$s .ab-sub-secondary .ab-item > span {
            width: 15px;
            display: inline-block;
            line-height: 1.3;
            color: rgba(240, 246, 252, 0.7);
        }
    </style>
    <ul class="ab-submenu">
        <li>
            <div id="rcb-scan-result-notice">%2$s</div>
        </li>
    </ul>
    <ul class="ab-sub-secondary ab-submenu">
        <li>
            <a class="ab-item" href="%4$s"><span class="wp-exclude-emoji">&#10140</span> %3$s</a>
        </li>
    </ul>
</div>', self::ACTION_SCANNER_FOUND_SERVICES, $this->generateNoticeTextFromServices($services, $countAll), \__('Review', 'real-cookie-banner'), $scannerUrl, \DevOwl\RealCookieBanner\view\ConfigPage::ADMIN_BAR_TOP_LEVEL_NODE_ID)]]);
    }
    /**
     * Generate the notice text from services.
     *
     * @param string[] $services
     * @param int $countAll
     */
    public function generateNoticeTextFromServices($services, $countAll)
    {
        $liElements = $services;
        if ($countAll > \count($services)) {
            $liElements[] = \sprintf('and %d other services', $countAll - \count($services));
        }
        // Generate list of services with "and x more"
        $text = \sprintf('<ul><li>%s</li></ul>', \join('</li><li>', $liElements));
        $text = \sprintf(
            // translators:
            \__('You have embedded the following services on your website: %s You may need to obtain consent for these services via your cookie banner to be able to use them in accordance with data protection regulations.', 'real-cookie-banner'),
            $text
        );
        return $text;
    }
    /**
     * Get a list of found services + external URLs which should be listed in the admin notice.
     *
     * Attention: This query is cached to a transient as it is very expensive! Use
     * `delete_transient(Scanner::TRANSIENT_SERVICES_FOR_NOTICE)` to invalidate the cache.
     *
     * @param int $max
     * @return array [services chunked to `$max`, count of all found services]
     */
    public function getServicesForNotice($max = 5)
    {
        $value = \get_transient(self::TRANSIENT_SERVICES_FOR_NOTICE);
        if ($value !== \false) {
            return $value;
        }
        $result = [];
        $scannerQuery = Core::getInstance()->getScanner()->getQuery();
        $templates = $scannerQuery->getScannedTemplates('never');
        $externalHosts = $scannerQuery->getScannedExternalUrls();
        // Find not-created templates
        foreach ($templates as $template) {
            if ($template->consumerData['isCreated'] || $template->consumerData['isIgnored']) {
                continue;
            }
            $scanResult = $template->consumerData['scan'] ?? \false;
            $result[] = ['identifier' => $template->identifier, 'name' => $template->headline, 'priority' => (\is_array($scanResult) ? \strtotime($scanResult['lastScanned']) : 0) + \time()];
        }
        // Find not-blocked external hosts
        foreach ($externalHosts as $host) {
            if (!$host['ignored'] && $host['foundCount'] !== $host['blockedCount']) {
                $result[] = ['identifier' => $host['host'], 'name' => $host['host'], 'priority' => \strtotime($host['lastScanned'])];
            }
        }
        if (\count($result) === 0) {
            $result = [[], 0, []];
        } else {
            // Always show the newest found items as first item
            \array_multisort(\array_column($result, 'priority'), \SORT_DESC, $result);
            $readableNames = \array_column($result, 'name');
            $technicalNames = \array_column($result, 'identifier');
            $result = [\array_chunk($readableNames, $max)[0], \count($result), $technicalNames];
        }
        \set_transient(self::TRANSIENT_SERVICES_FOR_NOTICE, $result, 2 * DAY_IN_SECONDS);
        return $result;
    }
    /**
     * New instance.
     *
     * @codeCoverageIgnore
     */
    public static function instance()
    {
        return new \DevOwl\RealCookieBanner\view\Scanner();
    }
}
