<?php
define('EXTENDIFY_PARTNER_ID', 'tj1390ksf');
define('EXTENDIFY_SHOW_ONBOARDING', get_option('stylesheet', '') === 'extendable');
define('EXTENDIFY_SITE_LICENSE', '3458290385902375729843');
define('EXTENDIFY_INSIGHTS_URL', 'https://insights.extendify.com');

/*************************************
 *! Do not make changes below this line
 *************************************/

 /** Method to prefetch relevant branding information */
if (!get_transient('extendify_partner_data')) {
    set_transient('extendify_partner_data', current_time('timestamp'), MONTH_IN_SECONDS);
    try {
        $extPartnerData = @json_decode(@wp_remote_retrieve_body(@wp_remote_get(
            'https://dashboard.extendify.com/api/onboarding/partner-data/?partner=' . EXTENDIFY_PARTNER_ID,
            [
                'headers' => ['Accept' => 'application/json'],
                'timeout' => 1,
            ]
        )), true);
        // We don't want this to show warnings
        @update_option('extendify_partner_data', [
            'foregroundColor' => $extPartnerData['data']['foregroundColor'],
            'backgroundColor' => $extPartnerData['data']['backgroundColor'],
            'logo' => $extPartnerData['data']['logo'],
        ]);
    } catch (Exception $e) {
        // Fail without error and just try again in a month
    }
}

/** Method to register a site with Extendify */
add_action('admin_init', function () {
    // If not enabled, don't do anything
    if (!defined('EXTENDIFY_INSIGHTS_URL')) {
        return;
    }
    // Only register if not already registered
    if (get_option('extendify_site_id', false)) {
        return;
    }
    // Don't try too often.
    if (get_transient('extendify_registering')) {
        return;
    }
    set_transient('extendify_registering', true, DAY_IN_SECONDS);

    // Attempt to find when the site was created
    // by checking the date on the first post.
    // This is only reliable on new sites.
    $firstPost = get_posts([
        'order' => 'ASC',
        'posts_per_page' => -1,
        'post_status' => ['trash', 'publish', 'any']
    ]);
    if (isset($firstPost[0]->post_date_gmt)) {
        $createdAt = $firstPost[0]->post_date_gmt;
    }
    try {
        // Send request for Extendify site id
        $extendifySite = wp_remote_post(
            apply_filters('extendify_register_url', trailingslashit(EXTENDIFY_INSIGHTS_URL) . 'api/v1/register'),
            [
                'headers' => [
                    'Content-Type' => 'application/json',
                    'X-Extendify' => true,
                ],
                'timeout' => 1,
                'body' => wp_json_encode([
                    'launch' => defined('EXTENDIFY_SHOW_ONBOARDING')
                        ? EXTENDIFY_SHOW_ONBOARDING
                        : false,
                    'siteCreatedAt' => $createdAt,
                ]),
            ]
        );
        $extendifySite = wp_remote_retrieve_body($extendifySite);
        $extendifySite = json_decode($extendifySite, true);
        if (isset($extendifySite['siteId'])) {
            update_option('extendify_site_id', $extendifySite['siteId']);
            if (class_exists('ExtendifyInsights')) {
                (new ExtendifyInsights)->run();
            }
        }
    } catch (Exception $e) {
        // Do nothing
    }
});
/** Insights */
if (!wp_next_scheduled('extendify_insights')) {
    if (get_option('extendify_insights_stop', false)) {
        return;
    }
    wp_schedule_event(current_time('timestamp'), 'daily', 'extendify_insights');
}
add_action('init', function () {
    add_action('extendify_insights', [new ExtendifyInsights, 'run']);
});

class ExtendifyInsights
{
    public $domain;
    public function __construct()
    {
        $url = trailingslashit(EXTENDIFY_INSIGHTS_URL) . 'api/v1/insights';
        $this->domain = defined('EXTENDIFY_INSIGHTS_URL')
            ? apply_filters('extendify_insights_url', $url)
            : null;
        $this->showRestEndpoint();
        $this->trackLogins();
    }
    public function run()
    {
        if (!$this->domain) {
            return;
        }
        if (!$siteId = get_option('extendify_site_id', false)) {
            return;
        }

        $data = apply_filters('extendify_insights_data', [
            'site' => $this->getSiteData(),
            'pages' => $this->getPageData(),
            'plugins' => get_option('active_plugins'),
        ]);

        $res = wp_remote_post($this->domain, [
            'headers' => [
                'Content-Type' => 'application/json',
                'X-Extendify-Site-Id' => $siteId,
            ],
            'timeout' => 1,
            'body' => wp_json_encode($data),
        ]);
        $response = json_decode(wp_remote_retrieve_body($res));
        if (isset($response->stop)) {
            update_option('extendify_insights_stop', true);
            wp_clear_scheduled_hook('extendify_insights');
        }
    }
    private function getSiteData()
    {
        $partner = defined('EXTENDIFY_PARTNER_ID')
            ? EXTENDIFY_PARTNER_ID
            : null;
        if (!$partner && isset($GLOBALS['extendify_sdk_partner'])) {
            $partner = $GLOBALS['extendify_sdk_partner'];
        };
        $devBuild = defined('EXTENDIFY_PATH')
            ? @is_readable(EXTENDIFY_PATH . 'public/build/.devbuild')
            : null;
        $siteType = get_option('extendify_siteType', '');
        $siteType = isset($siteType['slug']) ? $siteType['slug'] : '';

        $media = get_posts([
            'post_type' => 'attachment',
            'posts_per_page' => -1,
            'post_parent' => 0,
        ]);

        $users = get_users();
        $adminUsers = array_filter($users, function ($user) {
            return $user->has_cap('manage_options');
        });

        try {
            $home = @wp_remote_retrieve_body(@wp_remote_get(get_bloginfo('url'), [
                'timeout' => 1,
            ]));
        } catch (Exception $e) {
            $home = '';
        }
        return [
            'title' => get_bloginfo('name'),
            'description' => get_bloginfo('description'),
            'url' => get_bloginfo('url'),
            'restEndpoint' => rest_url(),
            'adminUrl' => admin_url(),
            'adminUsers' => count($adminUsers),
            'users' => count($users),
            'homeUrls' => $this->getUrlsFromContent(preg_replace('#<head>(.*?)</head>#is', '', $home)),
            'mediaLibraryCount' => count($media),
            'wpVersion' => get_bloginfo('version'),
            'language' => get_bloginfo('language'),
            'siteLogo' => get_option('site_logo', 0),
            'loginTotals' => get_option('extendify_login_count', 0),
            'siteType' => $siteType,
            'theme' => get_option('stylesheet', ''),
            'partner' => $partner,
            'isDev' => $devBuild,
        ];
    }
    private function getPageData()
    {
        $pages = get_posts([
            'posts_per_page' => -1,
            'post_status' => ['trash', 'publish', 'any'],
            'post_type' => 'page'
        ]);
        $pageData = array_map(function ($page) {
            $revisions = wp_get_post_revisions($page->ID, ['posts_per_page' => -1]);
            return [
                'ID' => $page->ID,
                'usedLaunch' => filter_var(get_post_meta($page->ID, 'made_with_extendify_launch', true), FILTER_VALIDATE_BOOLEAN),
                'name' => $page->post_name,
                'title' => $page->post_title,
                'status' => $page->post_status,
                'date' => $page->post_date_gmt,
                'hasExtendifyPattern' => strpos($page->post_content, 'ext-') !== false,
                'hasUnsplashImage' => strpos($page->post_content, 'unsplash') !== false,
                'template' => get_page_template_slug($page->ID),
                'pageUrls' => $this->getUrlsFromContent($page->post_content),
                'pageEmails' => $this->getEmailsFromContent($page->post_content),
                'revisions' => array_map(function ($pageRevision) {
                    return [
                        'ID' => $pageRevision->ID,
                        'name' => $pageRevision->post_name,
                        'status' => $pageRevision->post_status,
                        'title' => $pageRevision->post_title,
                        'date' => $pageRevision->post_date_gmt,
                        'hasExtendifyPattern' => strpos($pageRevision->post_content, 'ext-') !== false,
                        'hasUnsplashImage' => strpos($pageRevision->post_content, 'unsplash') !== false,
                        'pageUrls' => $this->getUrlsFromContent($pageRevision->post_content),
                        'pageEmails' => $this->getEmailsFromContent($pageRevision->post_content),
                    ];
                }, $revisions)
            ];
            return $page;
        }, $pages);
        // Check whether the page data matches our last check
        // if it does, we can just not send the same data over
        $pageDataLastTime = get_option('extendify_page_data_last_time', []);
        if ($pageData === $pageDataLastTime) {
            return;
        }
        update_option('extendify_page_data_last_time', $pageData);
        return $pageData;
    }
    private function showRestEndpoint() {
        add_filter('rest_route_data', function ($available) {
            unset($available['/extendify-insights']);
            return $available;
        });
        @add_filter('rest_index', function ($response) {
            try {
                $response->data['routes'] = @array_filter($response->data['routes'], function ($key) {
                    return strpos($key, 'extendify-insights') === false;
                }, ARRAY_FILTER_USE_KEY);

                $response->data['namespaces'] = @array_values(
                    @array_filter($response->data['namespaces'], function ($value) {
                        return strpos($value, 'extendify-insights') === false;
                    })
                );
            } catch (Exception $e) {
                // Do nothing
            }
            return $response;
        });
        @add_action('rest_api_init', function () {
            @register_rest_route('extendify-insights', 'active', [
                'methods' => 'GET',
                'permission_callback' => '__return_true',
                'show_in_index' => false,
                'callback' => function($request) {
                    // Just to hide it from anyone fuzzing endpoints
                    if ($request->get_param('token') === 'o9vbeXa88iwuYvzTQQcQ6ZCfXZny1zYPKaz3SaeL') {
                        return true;
                    }
                    // Return the same response WP uses when the route isnt registered
                    return new WP_Error(
                        'rest_no_route',
                        'No route was found matching the URL and request method.',
                        ['status' => 404]
                    );
                },
            ]);
        });
    }
    private function trackLogins() {
        add_filter('login_redirect', function ($url) {
            $count = get_option('extendify_login_count', 0);
            update_option('extendify_login_count', intval($count) + 1);
            return $url;
        });
    }
    private function getUrlsFromContent($content) {
        preg_match_all('#\bhttps?://[^,\s()<>]+(?:\([\w\d]+\)|([^,[:punct:]\s]|/))#', $content, $urls);
        return array_values(array_unique(
            array_filter($urls[0], function($url) {
                return !preg_match("/w3\.org|schema\.org|wordpress.org|w.org|wp-json|unsplash|\.(svg|png|jpe?g|js|css|xml|php)/", $url);
            })
        ));
    }
    private function getEmailsFromContent($content) {
        preg_match_all('#\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b#i', $content, $emails);
        return array_values(array_unique($emails[0]));
    }
}