/* ============================================================
   TREATMENT PAGES — AUTO-CREATE & TEMPLATE
   ============================================================ */

function sunnyglow_add_treatment_template($templates) {
    $templates['page-treatment.php'] = 'Treatment Page';
    return $templates;
}
add_filter('theme_page_templates', 'sunnyglow_add_treatment_template');

function sunnyglow_ensure_treatment_pages() {
    $treatments = array(
        'botox-anti-wrinkle-injections' => 'Botox & Anti-Wrinkle Injections',
        'dermal-fillers' => 'Dermal Fillers',
        'prp-microneedling' => 'PRP (Platelet-Rich Plasma) Microneedling',
        'prp-hair-restoration' => 'PRP (Platelet-Rich Plasma) Hair Restoration',
        'fat-dissolving-body-contouring' => 'Fat Dissolving & Body Contouring',
        'iv-therapy-vitamin-shots' => 'IV Therapy & Vitamin Shots',
        'sculptra-biostimulators' => 'Sculptra & Biostimulators',
        'radiesse-collagen-stimulation' => 'Radiesse & Collagen Stimulation',
        'mesotherapy-skin-boosters' => 'Mesotherapy & Skin Boosters',
    );

    foreach ($treatments as $slug => $title) {
        $page = get_page_by_path($slug, OBJECT, 'page');
        if (!$page) {
            $id = wp_insert_post(array(
                'post_title'   => $title,
                'post_name'    => $slug,
                'post_content' => '',
                'post_status'  => 'publish',
                'post_type'    => 'page',
            ));
            if ($id && !is_wp_error($id)) {
                update_post_meta($id, '_wp_page_template', 'page-treatment.php');
            }
        } else {
            if ($page->post_status !== 'publish') {
                wp_update_post(array(
                    'ID'          => $page->ID,
                    'post_status' => 'publish',
                ));
            }
            $current_tpl = get_post_meta($page->ID, '_wp_page_template', true);
            if ($current_tpl !== 'page-treatment.php') {
                update_post_meta($page->ID, '_wp_page_template', 'page-treatment.php');
            }
        }
    }
}
add_action('admin_init', 'sunnyglow_ensure_treatment_pages');

function sunnyglow_force_treatment_template($template) {
    $treatment_slugs = array('botox-anti-wrinkle-injections', 'dermal-fillers', 'prp-microneedling', 'prp-hair-restoration', 'fat-dissolving-body-contouring', 'iv-therapy-vitamin-shots', 'sculptra-biostimulators', 'radiesse-collagen-stimulation', 'mesotherapy-skin-boosters');
    foreach ($treatment_slugs as $slug) {
        if (is_page($slug)) {
            $treatment_tpl = get_template_directory() . '/page-treatment.php';
            if (file_exists($treatment_tpl)) {
                return $treatment_tpl;
            }
        }
    }
    return $template;
}
add_filter('template_include', 'sunnyglow_force_treatment_template', 99);

function sunnyglow_get_treatment_url($slug) {
    $page = get_page_by_path($slug);
    if ($page && $page->post_status === 'publish') {
        return get_permalink($page->ID);
    }
    return home_url('/' . $slug . '/');
}
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