Supapress-Book-Page-Reformatter/plugin.php

<?php
/**
 * Plugin Name: Book Page Reformatter with tabs! 
 * Description: Rewrites the book-wrapper block using output buffering for Supapress pages.
 * Version: 2.0
 * Author: Kian
 */


function enqueue_theme_assets(){
   
   
    wp_enqueue_script( 'main', plugins_url( '/js/main.js', __FILE__ ));
}    


add_action( 'wp_enqueue_scripts', 'enqueue_theme_assets' );

add_action('template_redirect', function() {
    if (is_singular()) { 
                
        ob_start('br_replace_book_wrapper');
        ob_start('br_replace_book_link');

    }
});


function enqueue_shop_links_script() {
    if (is_singular()) {

        // 1. Enqueue your JS file
        wp_enqueue_script(
            'search_shop_link',
            plugins_url('js/search_shop_link.js', __FILE__),
            [],
            false,
            true
        );

        // 2. Localize data for that script
        wp_localize_script(
            'search_shop_link',
            'SearchShopLinkData',
            [
                'imageUrl' => plugins_url('assets/cart_add.png', __FILE__)
            ]
        );
    }
}
add_action('wp_enqueue_scripts', 'enqueue_shop_links_script');


function br_replace_book_wrapper($html) {
    if (strpos($html, 'product-details') === false) {
        return $html;
    }

    preg_match('/<div class="book-wrapper">(.*?)<\/div>\s*<\/div>/s', $html, $match);

    if (!isset($match[0])) return $html;

    $book_block = $match[0];

    $cover      = extract_attr($book_block, '/<img[^>]*src="([^"]+)"/');
    $title      = extract_text($book_block, '/<div class="title-wrapper">\s*<h1>(.*?)<\/h1>/');
    $author     = extract_text($book_block, '/<p class="sp__the-author">(.*?)<\/p>/');
    $publisher  = extract_text($book_block, '/<p class="sp__the-publisher">(.*?)<\/p>/');
    $imprint    = extract_text($book_block, '/<p class="sp__the-imprint">(.*?)<\/p>/');
    $series     = extract_text($book_block, '/<p class="sp__the-series">(.*?)<\/p>/');
    $isbn13     = extract_text($book_block, '/<p class="sp__the-isbn13">(.*?)<\/p>/');
    $price      = extract_text($book_block, '/<p class="sp__the-price">(.*?)<\/p>/');
    $format     = extract_text($book_block, '/<p class="sp__the-format">(.*?)<\/p>/');
    $pubdate    = extract_text($book_block, '/<p class="sp__the-publication-date">(.*?)<\/p>/');
    $pages      = extract_text($book_block, '/<p class="sp__the-pages">(.*?)<\/p>/');
    $summary    = extract_html($book_block, '/<div class="sp__the-summary">(.*?)<\/div>/s');
    $description= extract_html($book_block, '/<div class="sp__the-description">(.*?)<\/div>/s');
    $reviews    = extract_html($book_block, '/<div class="sp__the-reviews">(.*?)<\/div>/s');


    
$html = preg_replace_callback(
        '/(<div role="tabpanel" class="wp-block-ub-tabbed-content-tab-content-wrap.*?"[^>]*>)(.*?)(<\/div>)/s',
        function($matches) use ($description, $author, $reviews) {
            static $i = 0;
            $replacement = '';
            if ($i === 0) $replacement = $description;  
            elseif ($i === 1) $replacement = 'Hello World!';        
            elseif ($i === 2) $replacement = $author;  
            elseif ($i === 3) $replacement = $reviews;  
            $i++;
            return $matches[1] . $replacement . $matches[3];
        },
        $html
    );

    return $html;
}

function extract_text($html, $pattern) {
    preg_match($pattern, $html, $m);
    return $m[1] ?? '';
}

function extract_attr($html, $pattern) {
    preg_match($pattern, $html, $m);
    return $m[1] ?? '';
}

function extract_html($html, $pattern) {
    preg_match($pattern, $html, $m);
    return $m[1] ?? '';
}


//gets rid of information and image wrapper 
add_action('wp_head', function() {
    echo '<style>
        
           .information-wrapper {
            display: none !important;
        }
            .sp__the-subtitle{
                        display: none !important;

            }

            .sp__the-author{
                        display: none !important;

            }

            .sp__the-author-bio{
                        display: none !important;

            }
            .sp__the-publisher{
                        display: none !important;
}

            .sp__the-imprint{            display: none !important;
}

            .sp__the-isbn13{            display: none !important;
}
            .sp__the-price{            display: none !important;
}

            .sp__the-format{            display: none !important;
}

            .sp__the-publication-date{            display: none !important;
}

            .sp__the-sales-date{            display: none !important;
}

.sp__the-series{
  display: none !important;
}
    </style>';
});