
<a href="https://lucidworks.com/de" class="dropdown-link">
  Deutsch</a>

add_action('rest_api_init', function () {
  register_rest_route('lucidworks/v1', '/typeahead', [
    'methods' => 'GET',
    'callback' => 'lucidworks_typeahead_proxy',
    'permission_callback' => '__return_true',
  ]);
});

function lucidworks_typeahead_proxy(WP_REST_Request $request)
{
  $query = sanitize_text_field($request->get_param('q'));
  $locale = sanitize_text_field($request->get_param('locale')) ?: 'en';

  if (!$query) {
    return new WP_REST_Response([
      'success' => false,
      'error' => 'Missing query',
    ], 400);
  }

  $app = 'Lucidworks_com';
  $api_key = '5999531c-9bbb-4a62-87a0-c53cfd1892a0';

  // ✅ NEW: dedicated typeahead pipelines
  $pipeline = $locale === 'de'
    ? 'de_lucidworks_typeahead'
    : 'en_lucidworks_typeahead';

  $base = "https://lw-docs-dev.b.lucidworks.cloud/api/apps/{$app}";

  // Backend confirmed this endpoint shape
  $url = sprintf(
    '%s/query/%s?q=%s&rows=5',
    $base,
    $pipeline,
    urlencode($query)
  );

  $response = wp_remote_get($url, [
    'headers' => [
      'Content-Type' => 'application/json',
      'x-api-key' => $api_key,
    ],
    'timeout' => 10,
  ]);

  if (is_wp_error($response)) {
    return new WP_REST_Response([
      'success' => false,
      'error' => $response->get_error_message(),
    ], 500);
  }

  $body = json_decode(wp_remote_retrieve_body($response), true);

  return new WP_REST_Response([
    'success' => true,
    'mode' => 'typeahead',
    'query' => $query,
    'response' => $body,
  ], 200);
}

/**
 * Add <meta name="lw_category">
 * Version 9: Includes "Unpublished" status check for crawler filtering.
 */
function lw_add_category_meta_tag() {
    
    // 1. GET STATUS & OBJECT ID
    $current_id = get_queried_object_id();
    if ( ! $current_id ) {
        return;
    }

    $status = get_post_status( $current_id );

    // 2. UNPUBLISHED CHECK (First priority for crawler filtering)
    // If the page is not in a 'publish' state, categorize as Unpublished and exit.
    if ( $status !== 'publish' ) {
        echo '<meta name="lw_category" content="Unpublished" />' . "\n";
        return;
    }
    
    // 3. HOMEPAGE CHECK
    if ( is_front_page() ) {
        echo '<meta name="lw_category" content="Homepage" />' . "\n";
        return;
    }

    // 4. MAP TO MASTER (English ID)
    global $wpdb;
    $english_id = $current_id; 

    $trid = $wpdb->get_var( $wpdb->prepare(
        "SELECT trid FROM {$wpdb->prefix}icl_translations 
         WHERE element_id = %d AND element_type LIKE 'post_%%'", 
        $current_id
    ));

    if ( $trid ) {
        $found_en_id = $wpdb->get_var( $wpdb->prepare(
            "SELECT element_id FROM {$wpdb->prefix}icl_translations 
             WHERE trid = %d AND language_code = 'en'", 
            $trid
        ));
        if ( $found_en_id ) {
            $english_id = $found_en_id;
        }
    }

    // 5. GET ENGLISH PERMALINK
    if ( has_action('wpml_switch_language') ) {
        do_action( 'wpml_switch_language', 'en' );
    }

    $url = get_permalink( $english_id );
    $path = trim( parse_url( $url, PHP_URL_PATH ), '/' );

    if ( has_action('wpml_switch_language') && defined('ICL_LANGUAGE_CODE') ) {
        do_action( 'wpml_switch_language', ICL_LANGUAGE_CODE ); 
    }

    // -----------------------------------------------------------
    // RULE SET: EXACT MATCHES
    // -----------------------------------------------------------
    $exact_matches = array(
        'company'                                       => 'Company',
        'company/careers'                               => 'Careers',
        'company/partners'                              => 'Partners',
        'contact'                                       => 'Contact Us',
        'demo'                                          => 'Contact Us',
        'demo-thanks'                                   => 'Other',
        'info'                                          => 'Other',
        'privacy-policy'                                => 'Legal',
        'platform'                                      => 'Platform',
        
        // Manual Overrides
        'unternehmen/karriere'                          => 'Careers',
        'unternehmen/kontakt'                           => 'Contact Us',
        
        // Platform Pages
        'platform/data-acquisition'                     => 'Lucidworks Platform',
        'platform/deployment-options'                   => 'Lucidworks Platform',
        'platform/lucidworks-ai'                        => 'Lucidworks Platform',
        'platform/lucidworks-ai/generative-ai'          => 'Lucidworks Platform',
        'platform/lucidworks-ai/neural-hybrid-search'   => 'Lucidworks Platform',
        'platform/lucidworks-enterprise-search-software'=> 'Lucidworks Platform',
        'platform/signals-beacon'                       => 'Lucidworks Platform',

        // Event Pages
        'b2b-chicago-2025'                              => 'Events',
        'b2b-chicago-meeting'                           => 'Events',
        'b2b-chicago-meeting-thank-you'                 => 'Events',
        'b2b-connect-san-diego-2025'                    => 'Events',
        'b2b-connect-san-diego-2025-networking-event'   => 'Events',
        'b2b-connect-san-diego-2025-thank-you'          => 'Events',
        'coffee-connect-thank-you'                      => 'Events', 
        'etail-connect-east-2025-thank-you'             => 'Events',
        'etail-east-boston-2025-meeting'                => 'Events',
        'etail-east-boston-2025-meeting-thank-you'      => 'Events',
        'etail-east-boston-vip-dinner-2025'             => 'Events',
        'etail-east-boston-vip-dinner-2025-thank-you'   => 'Events',
        'event-thank-you'                               => 'Events',
        'info-etail-connect-east-2025'                  => 'Events',
        'lucidworks-coffee-connect-2025'                => 'Events',
        'san-diego-2025-networking-event-thank-you'     => 'Events',
        'search-as-a-strategy-unlocking-the-power-of-b2b'=> 'Events',
        'thank-you'                                     => 'Events',
        'thank-you-for-registering-sig'                 => 'Events',
        'lucidworks-special-interest-group-sig-b2c-may-24' => 'Events',
        'lucidworks-special-interest-group-sig-km-jun-24'  => 'Events',
        'lucidworks-special-interest-group-sig-km-june-24' => 'Events',
    );

    // Check Exact Matches
    if ( isset( $exact_matches[ $path ] ) ) {
        echo '<meta name="lw_category" content="' . esc_attr( $exact_matches[ $path ] ) . '" />' . "\n";
        return;
    }

    // -----------------------------------------------------------
    // RULE SET: PARTIAL MATCHES
    // -----------------------------------------------------------
    $category = '';

    if ( strpos( $path, 'analyst-reports' ) !== false ) {
        $category = 'Analyst Report';
    } elseif ( strpos( $path, 'blog' ) !== false ) {
        $category = 'Blog';
    } elseif ( strpos( $path, 'case-studies' ) !== false ) {
        $category = 'Case Studies';
    } elseif ( strpos( $path, 'compare' ) !== false ) {
        $category = 'Competitor Comparisons';
    } elseif ( strpos( $path, 'csoplan' ) !== false ) {
        $category = 'Customer Success Offerings';
    } elseif ( strpos( $path, 'customers' ) !== false ) {
        $category = 'Customer Stories';
    } elseif ( strpos( $path, 'ebooks' ) !== false ) {
        $category = 'Ebooks';
    } elseif ( strpos( $path, 'industries' ) !== false ) {
        $category = 'Industries';
    } elseif ( strpos( $path, 'info/' ) !== false ) { 
        $category = 'Events';
    } elseif ( strpos( $path, 'legal' ) !== false ) {
        $category = 'Legal';
    } elseif ( strpos( $path, 'news-press' ) !== false ) {
        $category = 'News & Press';
    } elseif ( strpos( $path, 'on-demand-webinars' ) !== false ) {
        $category = 'Webinars';
    } elseif ( strpos( $path, 'platform/ai-agents' ) !== false ) {
        $category = 'AI Agents';
    } elseif ( strpos( $path, 'platform/ai-boosters' ) !== false ) {
        $category = 'AI Boosters';
    } elseif ( strpos( $path, 'platform/ai-modules' ) !== false ) {
        $category = 'AI Modules';
    } elseif ( strpos( $path, 'platform/studios' ) !== false ) {
        $category = 'Lucidworks Studios';
    } elseif ( strpos( $path, 'solutions' ) !== false ) {
        $category = 'Solutions';
    } elseif ( strpos( $path, 'videos' ) !== false ) {
        $category = 'Videos';
    }

    if ( ! empty( $category ) ) {
        echo '<meta name="lw_category" content="' . esc_attr( $category ) . '" />' . "\n";
    } else {
        echo '<meta name="lw_category" content="Other" />' . "\n";
    }
}
add_action( 'wp_head', 'lw_add_category_meta_tag', 1 );