<?php

if (!defined('ABSPATH')) { exit; }

class AIEO_Menu_Descriptions {

    
    const AJAX_ACTION = 'aieo_describe';

    
    const MAX_KEY = 200;

    
    private static $registry = array();

    
    public static function registry() {
        $locale = function_exists('determine_locale') ? (string) determine_locale() : 'en_US';
        if (isset(self::$registry[$locale])) { return self::$registry[$locale]; }

        $out  = array('groups' => array(), 'subtabs' => array(), 'anchors' => array(), 'profiles' => array());
        $file = AIEO_DIR . 'includes/dmm/data/menu-descriptions.php';
        if (is_readable($file)) {
            $loaded = include $file;
            if (is_array($loaded)) {
                foreach (array('groups', 'subtabs', 'anchors', 'profiles') as $bucket) {
                    if (!empty($loaded[$bucket]) && is_array($loaded[$bucket])) {
                        $out[$bucket] = $loaded[$bucket];
                    }
                }
            }
        }
        self::$registry[$locale] = $out;
        return $out;
    }

    
    public static function for_subtab($id) {
        $r = self::registry();
        $id = (string) $id;
        return isset($r['subtabs'][$id]) ? (string) $r['subtabs'][$id] : '';
    }

    
    public static function for_group($id) {
        $r = self::registry();
        $id = (string) $id;
        return isset($r['groups'][$id]) ? (string) $r['groups'][$id] : '';
    }

    
    public static function resolve($key) {
        $key = (string) $key;
        if ($key === '' || strlen($key) > self::MAX_KEY) { return self::none(); }

        $r = self::registry();

        
        
        
        
        if (strpos($key, 'profile-') === 0) {
            $p = substr($key, strlen('profile-'));
            if (!isset($r['profiles'][$p])) { return self::none(); }

            
            
            
            
            
            
            
            
            
            
            
            
            $text = (string) $r['profiles'][$p];
            if (class_exists('AIEO_SEO_Score') && method_exists('AIEO_SEO_Score', 'profile_status')) {
                
                
                
                
                
                
                
                $text = rtrim($text);
                if ('' !== $text && !preg_match('/[.!?;·]$/u', $text)) { $text .= '.'; }

                $status = AIEO_SEO_Score::profile_status();
                $text  .= ' ' . (!empty($status['pinned'])
                    ? __('You set this yourself.', 'ai-eshop-optimizer')
                    : __('Detected automatically.', 'ai-eshop-optimizer'));
                if (!empty($status['mismatch'])) {
                    $text .= ' ' . __('It no longer matches what detection sees, which may be exactly why you set it.', 'ai-eshop-optimizer');
                }
            }
            return array('text' => $text, 'scope' => 'self', 'owner' => '');
        }

        $anchor = '';
        $path   = $key;
        $hash   = strpos($key, '#');
        if ($hash !== false) {
            $anchor = substr($key, $hash + 1);
            $path   = substr($key, 0, $hash);
            
            
            if (strpos($anchor, 'aieo-card-') === 0) {
                $anchor = substr($anchor, strlen('aieo-card-'));
            }
            if ($anchor !== '' && isset($r['anchors'][$anchor])) {
                return array('text' => (string) $r['anchors'][$anchor], 'scope' => 'self', 'owner' => '');
            }
        }

        $parts = array_values(array_filter(explode('/', $path), static function ($p) { return $p !== ''; }));

        
        if (count($parts) === 1) {
            $id = $parts[0];
            if ($anchor === '' && isset($r['subtabs'][$id])) {
                return array('text' => (string) $r['subtabs'][$id], 'scope' => 'self', 'owner' => '');
            }
            if ($anchor === '' && isset($r['groups'][$id])) {
                return array('text' => (string) $r['groups'][$id], 'scope' => 'self', 'owner' => '');
            }
            
            
            
            if (isset($r['subtabs'][$id])) {
                return array('text' => (string) $r['subtabs'][$id], 'scope' => 'page', 'owner' => $id);
            }
            return self::none();
        }

        
        $tab = isset($parts[1]) ? $parts[1] : '';
        if ($tab === '') { return self::none(); }

        
        
        
        
        
        
        
        
        
        
        
        
        
        
        if (isset($parts[2])) {
            $composite = $tab . '_' . $parts[2];
            if (isset($r['subtabs'][$composite])) {
                return array(
                    'text'  => (string) $r['subtabs'][$composite],
                    'scope' => ('' === $anchor) ? 'self' : 'page',
                    'owner' => ('' === $anchor) ? '' : $tab,
                );
            }
        }

        if (isset($r['subtabs'][$tab])) {
            
            
            $exact = ($anchor === '' && !isset($parts[2]));
            return array(
                'text'  => (string) $r['subtabs'][$tab],
                'scope' => $exact ? 'self' : 'page',
                'owner' => $exact ? '' : $tab,
            );
        }

        return self::none();
    }

    
    private static function none() {
        return array('text' => '', 'scope' => '', 'owner' => '');
    }

    
    private static function owner_label($id) {
        if ($id === '' || !class_exists('AIEO_DMM')) { return ''; }
        $module = AIEO_DMM::instance()->get_module($id);
        if (!$module || !method_exists($module, 'get_label')) { return ''; }
        return html_entity_decode(wp_strip_all_tags((string) $module->get_label()), ENT_QUOTES, 'UTF-8');
    }

    
    public static function register() {
        add_action('wp_ajax_' . self::AJAX_ACTION, array(__CLASS__, 'ajax_describe'));
    }

    
    public static function enqueue() {
        $path = AIEO_DIR . 'assets/js/aieo-describe.js';
        if (!file_exists($path)) { return; }
        wp_enqueue_script(
            'aieo-describe',
            AIEO_URI . 'assets/js/aieo-describe.js',
            array(),
            (string) filemtime($path),
            true
        );
        wp_localize_script('aieo-describe', 'aieoDescribe', array(
            'ajaxUrl' => admin_url('admin-ajax.php'),
            'action'  => self::AJAX_ACTION,
            'nonce'   => wp_create_nonce(self::AJAX_ACTION),
            'i18n'    => array(
                
                'partOf'  => __('Part of %s', 'ai-eshop-optimizer'),
                'none'    => __('No description written for this one yet', 'ai-eshop-optimizer'),
                'loading' => __('…', 'ai-eshop-optimizer'),
            ),
        ));
    }

    
    public static function ajax_describe() {
        check_ajax_referer(self::AJAX_ACTION, 'nonce');
        
        
        
        
        if (!current_user_can('manage_woocommerce') && !current_user_can('manage_options')) {
            wp_send_json_error(array('message' => __('Not allowed.', 'ai-eshop-optimizer')), 403);
        }

        $key = isset($_GET['key']) ? (string) wp_unslash($_GET['key']) : '';
        
        
        
        $key = preg_replace('/[^A-Za-z0-9_\-\/#]/', '', $key);
        $key = (string) substr((string) $key, 0, self::MAX_KEY);

        $hit = self::resolve($key);

        wp_send_json_success(array(
            'key'   => $key,
            'text'  => $hit['text'],
            'scope' => $hit['scope'],
            'owner' => 'page' === $hit['scope'] ? self::owner_label($hit['owner']) : '',
        ));
    }
}