if (!function_exists('mh_newsdesk_breadcrumbs')) {
    function mh_newsdesk_breadcrumbs() {
        if (!is_home() && !is_front_page()) {
            global $post;
            $mh_newsdesk_options = mh_newsdesk_theme_options();

            if ($mh_newsdesk_options['breadcrumbs'] === 'enable') {
                $position = 1;
                echo '<ol class="breadcrumb" itemscope itemtype="https://schema.org/BreadcrumbList">';

                // Home link
                echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                echo '<a itemprop="item" href="' . esc_url(home_url()) . '">';
                echo '<span itemprop="name">' . __('Home', 'mh-newsdesk') . '</span></a>';
                echo '<meta itemprop="position" content="' . $position . '" />';
                echo '</li>';
                $position++;

                // Post, page, or archive context
                if (is_single() && get_post_type() === 'post' && !is_attachment()) {
                    $category = get_the_category();
                    if (!empty($category)) {
                        $cat = $category[0];
                        echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                        echo '<a itemprop="item" href="' . esc_url(get_category_link($cat->term_id)) . '">';
                        echo '<span itemprop="name">' . esc_html($cat->name) . '</span></a>';
                        echo '<meta itemprop="position" content="' . $position . '" />';
                        echo '</li>';
                        $position++;
                    }

                    // Current post title (not a link)
                    echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                    echo '<span itemprop="name">' . get_the_title() . '</span>';
                    echo '<meta itemprop="position" content="' . $position . '" />';
                    echo '</li>';

                } elseif (is_page()) {
                    // Parent pages
                    if ($post->post_parent) {
                        $ancestors = array_reverse(get_post_ancestors($post->ID));
                        foreach ($ancestors as $ancestor) {
                            echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                            echo '<a itemprop="item" href="' . get_permalink($ancestor) . '">';
                            echo '<span itemprop="name">' . get_the_title($ancestor) . '</span></a>';
                            echo '<meta itemprop="position" content="' . $position . '" />';
                            echo '</li>';
                            $position++;
                        }
                    }
                    // Current page title
                    echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                    echo '<span itemprop="name">' . get_the_title() . '</span>';
                    echo '<meta itemprop="position" content="' . $position . '" />';
                    echo '</li>';

                } elseif (is_category()) {
                    $cat = get_queried_object();
                    if ($cat->parent !== 0) {
                        $parent_cats = get_category_parents($cat->parent, true, '|||');
                        $parent_parts = explode('|||', trim($parent_cats, '|||'));
                        foreach ($parent_parts as $parent_cat_name) {
                            if (!empty($parent_cat_name)) {
                                echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                                echo '<span itemprop="name">' . strip_tags($parent_cat_name) . '</span>';
                                echo '<meta itemprop="position" content="' . $position . '" />';
                                echo '</li>';
                                $position++;
                            }
                        }
                    }
                    echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                    echo '<span itemprop="name">' . single_cat_title('', false) . '</span>';
                    echo '<meta itemprop="position" content="' . $position . '" />';
                    echo '</li>';

                } elseif (is_search()) {
                    echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                    echo '<span itemprop="name">Search results for "' . get_search_query() . '"</span>';
                    echo '<meta itemprop="position" content="' . $position . '" />';
                    echo '</li>';

                } elseif (is_404()) {
                    echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                    echo '<span itemprop="name">Page not found</span>';
                    echo '<meta itemprop="position" content="' . $position . '" />';
                    echo '</li>';

                } elseif (is_archive()) {
                    echo '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
                    echo '<span itemprop="name">' . post_type_archive_title('', false) . '</span>';
                    echo '<meta itemprop="position" content="' . $position . '" />';
                    echo '</li>';
                }

                echo '</ol>';
            }
        }
    }
}