<?php
/**
 * Help Center Script loader.
 */

namespace Extendify\Shared;

defined('ABSPATH') || die('No direct access.');

use Extendify\Config;
use Extendify\PartnerData;
use Extendify\Shared\Controllers\UserSelectionController;
use Extendify\Shared\DataProvider\ResourceData;
use Extendify\Shared\Services\ApexDomain\ApexDomain;
use Extendify\Shared\Services\Escaper;
use Extendify\SiteSettings;

/**
 * This class handles any file loading for the admin area.
 */
class Admin
{
    /**
     * Adds various actions to set up the page
     *
     * @return void
     */
    public function __construct()
    {
        \add_action('init', [$this, 'addExtraMetaFields']);
        \add_action('admin_enqueue_scripts', [$this, 'loadGlobalScripts']);
        \add_action('wp_enqueue_scripts', [$this, 'loadGlobalScripts']);
        \add_action('admin_init', [$this, 'recordPluginsSearchTerms'], 9);
        \add_action('rest_api_init', [$this, 'recordBlocksSearchTerms']);
    }

    // phpcs:disable Generic.Metrics.CyclomaticComplexity.TooHigh
    /**
     * Adds scripts to every page
     *
     * @return void
     */
    public function loadGlobalScripts()
    {
        \wp_enqueue_media();

        $version = constant('EXTENDIFY_DEVMODE') ? uniqid() : Config::$version;

        // Enqueue shared stylesheet if it exists in the asset manifest.
        if (isset(Config::$assetManifest['extendify-common.css'])) {
            \wp_enqueue_style(
                Config::$slug . '-draft-styles',
                EXTENDIFY_BASE_URL . 'public/build/' . Config::$assetManifest['extendify-common.css'],
                [],
                $version,
                'all'
            );
        }

        /**
         * Enqueue shared JavaScript files if they exist in the asset manifest
         * Ensures proper loading order: vendors -> common
         */

        // Enqueue the vendor chunk first.
        if (isset(Config::$assetManifest['extendify-vendors.js'])) {
            wp_enqueue_script(
                'extendify-vendors',
                EXTENDIFY_BASE_URL . 'public/build/' . Config::$assetManifest['extendify-vendors.js'],
                [],
                $version,
                true
                // Load in footer.
            );
        }

        // Enqueue the common chunk next, dependent on vendors.
        if (isset(Config::$assetManifest['extendify-common.js'])) {
            wp_enqueue_script(
                'extendify-common',
                EXTENDIFY_BASE_URL . 'public/build/' . Config::$assetManifest['extendify-common.js'],
                ['extendify-vendors'],
                $version,
                true
            );
        }

        /*
        * Loads a unique runtime generated by Webpack to manage all the other generated scripts.
        * Without this runtime, the other Extendify scripts won't load.
        */
        $scriptAssetPath = EXTENDIFY_PATH . 'public/build/' . Config::$assetManifest['extendify-runtime.php'];
        $fallback = [
            'dependencies' => [],
            'version' => $version,
        ];
        $scriptAsset = file_exists($scriptAssetPath) ? require $scriptAssetPath : $fallback;

        foreach ($scriptAsset['dependencies'] as $style) {
            \wp_enqueue_style($style);
        }

        \wp_enqueue_script(
            Config::$slug . '-runtime-scripts',
            EXTENDIFY_BASE_URL . 'public/build/' . Config::$assetManifest['extendify-runtime.js'],
            $scriptAsset['dependencies'],
            $scriptAsset['version'],
            true
        );

        $scriptAssetPath = EXTENDIFY_PATH . 'public/build/' . Config::$assetManifest['extendify-shared.php'];
        $fallback = [
            'dependencies' => [],
            'version' => $version,
        ];
        $scriptAsset = file_exists($scriptAssetPath) ? require $scriptAssetPath : $fallback;

        foreach ($scriptAsset['dependencies'] as $style) {
            \wp_enqueue_style($style);
        }

        \wp_enqueue_script(
            Config::$slug . '-shared-scripts',
            EXTENDIFY_BASE_URL . 'public/build/' . Config::$assetManifest['extendify-shared.js'],
            $scriptAsset['dependencies'],
            $scriptAsset['version'],
            true
        );

        $siteProfile = \get_option('extendify_site_profile', [
            'aiSiteType' => '',
            'aiSiteCategory' => '',
            'aiDescription' => '',
            'aiKeywords' => [],
        ]);

        $partnerData = PartnerData::getPartnerData();
        $userConsent = get_user_meta(get_current_user_id(), 'extendify_ai_consent', true);
        $htmlAllowlist = [
            'a' => [
                'target' => [],
                'href' => [],
                'rel' => [],
            ],
        ];

        if (!function_exists('get_plugins')) {
            require_once ABSPATH . 'wp-admin/includes/plugin.php';
        }

        \wp_add_inline_script(
            Config::$slug . '-shared-scripts',
            'window.extSharedData = ' . \wp_json_encode([
                'root' => \esc_url_raw(rest_url(Config::$slug . '/' . Config::$apiVersion)),
                'homeUrl' => \esc_url_raw(\get_home_url()),
                'adminUrl' => \esc_url_raw(\admin_url()),
                'nonce' => \esc_attr(\wp_create_nonce('wp_rest')),
                'devbuild' => (bool) constant('EXTENDIFY_DEVMODE'),
                'assetPath' => \esc_url(EXTENDIFY_URL . 'public/assets'),
                'siteId' => \esc_attr(\get_option('extendify_site_id', '')),
                'siteCreatedAt' => \esc_attr(SiteSettings::getSiteCreatedAt()),
                'themeSlug' => \esc_attr(\get_option('stylesheet')),
                'version' => \esc_attr(Config::$version),
                'siteTitle' => \esc_attr(\get_bloginfo('name')),
                'siteType' => Escaper::recursiveEscAttr(\get_option('extendify_siteType', [])),
                'siteProfile' => Escaper::recursiveEscAttr((array) $siteProfile),
                'wpLanguage' => \esc_attr(\get_locale()),
                'wpVersion' => \esc_attr(\get_bloginfo('version')),
                'isBlockTheme' => function_exists('wp_is_block_theme') ? (bool) wp_is_block_theme() : false,
                'userId' => \esc_attr(\get_current_user_id()),
                'partnerLogo' => \esc_attr(PartnerData::$logo),
                'partnerId' => \esc_attr(PartnerData::$id),
                'partnerName' => \esc_attr(PartnerData::$name),
                'allowedPlugins' => array_map('esc_attr', PartnerData::setting('allowedPluginsSlugs')),
                'requiredPlugins' => Escaper::recursiveEscAttr(PartnerData::setting('requiredPlugins')),
                'userData' => [
                    'userSelectionData' => \wp_json_encode((UserSelectionController::get()->get_data() ?? [])),
                ],
                'resourceData' => \wp_json_encode((new ResourceData())->getData()),
                'showAIConsent' => isset($partnerData['showAIConsent']) ? (bool) $partnerData['showAIConsent'] : false,
                'aiChatEnabled' => (bool) (PartnerData::setting('aiChatEnabled') || constant('EXTENDIFY_DEVMODE')),
                'consentTermsHTML' => \wp_kses((html_entity_decode(($partnerData['consentTermsHTML'] ?? '')) ?? ''), $htmlAllowlist),
                'userGaveConsent' => $userConsent ? (bool) $userConsent : false,
                'installedPlugins' => array_map('esc_attr', array_keys(\get_plugins())),
                'activePlugins' => array_map('esc_attr', array_values(\get_option('active_plugins', []))),
                'frontPage' => \esc_attr(\get_option('page_on_front', 0)),
                'globalStylesPostID' => \esc_attr(\WP_Theme_JSON_Resolver::get_user_global_styles_post_id()),
                'showLocalizedCopy' => (bool) array_key_exists('showLocalizedCopy', $partnerData),
                'activity' => \wp_json_encode(\get_option('extendify_shared_activity', null)),
                'showDraft' => isset($partnerData['showDraft']) ? (bool) $partnerData['showDraft'] : false,
                'apexDomain' => PartnerData::setting('enableApexDomain') ? rawurlencode(ApexDomain::getApexDomain(\get_home_url())) : null,
            ]),
            'before'
        );

        $cssColorVars = PartnerData::cssVariableMapping();
        $cssString = implode('; ', array_map(function ($k, $v) {
            return "$k: $v";
        }, array_keys($cssColorVars), $cssColorVars));
        \wp_register_style(Config::$slug . '-shared-styles', '', [], $version, 'all');
        \wp_enqueue_style(Config::$slug . '-shared-styles');
        \wp_add_inline_style(Config::$slug . '-shared-styles', wp_strip_all_tags("body { $cssString; }"));
    }

    /**
     * Adds additional meta fields to post types
     *
     * @return void
     */
    public function addExtraMetaFields()
    {
        // Add a tag to pages that were made with Launch.
        register_post_meta('page', 'made_with_extendify_launch', [
            'single' => true,
            'type' => 'boolean',
            'show_in_rest' => true,
        ]);
        register_post_meta('post', 'made_with_extendify_launch', [
            'single' => true,
            'type' => 'boolean',
            'show_in_rest' => true,
        ]);
    }

    /**
     * Records plugin search terms from the WordPress plugin search page
     * Stores terms in the 'extendify_plugin_search_terms' option
     *
     * @return void
     */
    public function recordPluginsSearchTerms()
    {
        // Exits early if it is not an Ajax request, has no payload or invalid nonce.
        if (!\wp_doing_ajax() || empty($_POST)) {
            return;
        }

        if (array_key_exists( 'action', $_POST) && $_POST['action'] === 'updates' && !\check_ajax_referer('updates', '_ajax_nonce')) {
            return;
        }

        $action = isset($_POST['action']) ? \sanitize_text_field(\wp_unslash($_POST['action'])) : '';
        $searchTerm = isset($_POST['s']) ? \sanitize_text_field(\wp_unslash($_POST['s'])) : '';
        // Exits early if it is not the right action or search is empty.
        if (empty($action) || $action !== 'search-install-plugins' || empty($searchTerm)) {
            return;
        }

        // Merges search term with existing search terms and stores it in the database.
        $searchTerms = \get_option('extendify_plugin_search_terms', []);
        \update_option('extendify_plugin_search_terms', array_merge($searchTerms, [$searchTerm]));
    }

    /**
     * Records block search terms from the WordPress the editor's block search
     * Stores terms in the 'extendify_block_search_terms' option
     *
     * @return void
     */
    public function recordBlocksSearchTerms()
    {
        // Exits early if it is not a REST API request.
        if (!\wp_is_serving_rest_request()) {
            return;
        }

        $wp = $GLOBALS['wp'];
        // phpcs:ignore Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
        $restRoute = ($wp->query_vars['rest_route'] ?? '');
        // phpcs:ignore Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
        $searchTerm = \sanitize_text_field(\wp_unslash(($wp->query_vars['term'] ?? '')));

        // Exits early if is not the blocks search route or if the search query is empty.
        if ($restRoute !== '/wp/v2/block-directory/search' || empty($searchTerm)) {
            return;
        }

        // Get current search term from the url and merge it with existing search terms.
        $searchTerms = \get_option('extendify_block_search_terms', []);
        \update_option('extendify_block_search_terms', array_merge($searchTerms, [$searchTerm]));
    }
}