king-addons / includes / extensions / Pricing_Table_Builder / Pricing_Table_Builder.php

Pricing_Table_Builder.php in King Addons for Elementor – 100+ Elementor Widgets, 4 000+ Elementor Templates, WooCommerce Builder, Mega Menu, Popup Builder 51.1.44, at includes/extensions/Pricing_Table_Builder/Pricing_Table_Builder.php

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1	<?php
2	/**
3	* Pricing Table Builder Extension.
4	*
5	* Modern pricing table builder with billing toggle, presets, and Elementor integration.
6	*
7	* @package King_Addons
8	*/
9
10	namespace King_Addons;
11
12	if (!defined('ABSPATH')) {
13	exit;
14	}
15
16	/**
17	* Main Pricing Table Builder class.
18	*/
19	final class Pricing_Table_Builder
20	{
21	/**
22	* Option name for settings.
23	*/
24	private const OPTION_NAME = 'king_addons_pricing_table_options';
25
26	/**
27	* Post type name.
28	*/
29	public const POST_TYPE = 'kng_pricing_table';
30
31	/**
32	* Meta key for config.
33	*/
34	public const META_CONFIG = '_kng_pt_config';
35
36	/**
37	* Meta key for version.
38	*/
39	public const META_VERSION = '_kng_pt_version';
40
41	/**
42	* Current schema version.
43	*/
44	public const SCHEMA_VERSION = 1;
45
46	/**
47	* REST API namespace.
48	*/
49	public const API_NAMESPACE = 'king-addons/v1';
50
51	/**
52	* Singleton instance.
53	*
54	* @var Pricing_Table_Builder\|null
55	*/
56	private static ?Pricing_Table_Builder $instance = null;
57
58	/**
59	* Cached options.
60	*
61	* @var array<string, mixed>
62	*/
63	private array $options = [];
64
65	/**
66	* Gets singleton instance.
67	*
68	* @return Pricing_Table_Builder
69	*/
70	public static function instance(): Pricing_Table_Builder
71	{
72	if (is_null(self::$instance)) {
73	self::$instance = new self();
74	}
75	return self::$instance;
76	}
77
78	/**
79	* Constructor.
80	*/
81	public function __construct()
82	{
83	$this->options = $this->get_options();
84
85	// Init
86	add_action('init', [$this, 'register_post_type']);
87
88	// Admin
89	add_action('admin_menu', [$this, 'add_admin_menu']);
90	add_action('admin_enqueue_scripts', [$this, 'enqueue_admin_assets']);
91	add_action('admin_post_king_addons_pt_save', [$this, 'handle_save_table']);
92	add_action('admin_post_king_addons_pt_delete', [$this, 'handle_delete_table']);
93	add_action('admin_post_king_addons_pt_duplicate', [$this, 'handle_duplicate_table']);
94
95	// Frontend
96	add_action('wp_enqueue_scripts', [$this, 'enqueue_frontend_assets']);
97	add_shortcode('kng_pricing_table', [$this, 'render_shortcode']);
98
99	// REST API
100	add_action('rest_api_init', [$this, 'register_rest_routes']);
101
102	// AJAX
103	add_action('wp_ajax_kng_pt_preview', [$this, 'ajax_preview']);
104	add_action('wp_ajax_kng_pt_get_tables', [$this, 'ajax_get_tables']);
105	}
106
107	/**
108	* Gets default options.
109	*
110	* @return array<string, mixed>
111	*/
112	public function get_default_options(): array
113	{
114	return [
115	'enabled' => true,
116	'default_preset' => 'free_modern_cards',
117	'default_currency' => '$',
118	'default_currency_position' => 'before',
119	];
120	}
121
122	/**
123	* Gets current options.
124	*
125	* @return array<string, mixed>
126	*/
127	public function get_options(): array
128	{
129	$saved = get_option(self::OPTION_NAME, []);
130	return wp_parse_args($saved, $this->get_default_options());
131	}
132
133	/**
134	* Registers the pricing table CPT.
135	*
136	* @return void
137	*/
138	public function register_post_type(): void
139	{
140	$labels = [
141	'name' => __('Pricing Tables', 'king-addons'),
142	'singular_name' => __('Pricing Table', 'king-addons'),
143	'add_new' => __('Add New', 'king-addons'),
144	'add_new_item' => __('Add New Pricing Table', 'king-addons'),
145	'edit_item' => __('Edit Pricing Table', 'king-addons'),
146	'new_item' => __('New Pricing Table', 'king-addons'),
147	'view_item' => __('View Pricing Table', 'king-addons'),
148	'search_items' => __('Search Pricing Tables', 'king-addons'),
149	'not_found' => __('No pricing tables found', 'king-addons'),
150	'not_found_in_trash' => __('No pricing tables found in Trash', 'king-addons'),
151	];
152
153	register_post_type(self::POST_TYPE, [
154	'labels' => $labels,
155	'public' => false,
156	'show_ui' => false,
157	'show_in_menu' => false,
158	'capability_type' => 'post',
159	'supports' => ['title'],
160	'has_archive' => false,
161	'rewrite' => false,
162	]);
163	}
164
165	/**
166	* Adds admin menu.
167	*
168	* @return void
169	*/
170	public function add_admin_menu(): void
171	{
172	add_submenu_page(
173	'king-addons',
174	__('Pricing Tables', 'king-addons'),
175	__('Pricing Tables', 'king-addons'),
176	'manage_options',
177	'king-addons-pricing-tables',
178	[$this, 'render_admin_page']
179	);
180	}
181
182	/**
183	* Enqueues admin assets.
184	*
185	* @param string $hook Current admin page hook.
186	* @return void
187	*/
188	public function enqueue_admin_assets(string $hook): void
189	{
190	// Check for our pricing tables page
191	if ($hook !== 'king-addons_page_king-addons-pricing-tables') {
192	return;
193	}
194
195	// Core admin styles
196	wp_enqueue_style('wp-color-picker');
197	wp_enqueue_script('wp-color-picker');
198
199	// Extension specific styles (includes all V3 base styles)
200	wp_enqueue_style(
201	'king-addons-pt-admin',
202	KING_ADDONS_URL . 'includes/extensions/Pricing_Table_Builder/assets/admin.css',
203	[],
204	KING_ADDONS_VERSION
205	);
206
207	// Frontend styles for preview
208	wp_enqueue_style(
209	'king-addons-pt-frontend',
210	KING_ADDONS_URL . 'includes/extensions/Pricing_Table_Builder/assets/frontend.css',
211	[],
212	KING_ADDONS_VERSION
213	);
214
215	wp_enqueue_script(
216	'king-addons-pt-admin',
217	KING_ADDONS_URL . 'includes/extensions/Pricing_Table_Builder/assets/admin.js',
218	['jquery', 'wp-color-picker', 'jquery-ui-sortable'],
219	KING_ADDONS_VERSION,
220	true
221	);
222
223	// Frontend JS for preview toggle functionality
224	wp_enqueue_script(
225	'king-addons-pt-frontend',
226	KING_ADDONS_URL . 'includes/extensions/Pricing_Table_Builder/assets/frontend.js',
227	[],
228	KING_ADDONS_VERSION,
229	true
230	);
231
232	wp_localize_script('king-addons-pt-admin', 'kngPTAdmin', [
233	'ajaxUrl' => admin_url('admin-ajax.php'),
234	'restUrl' => rest_url(self::API_NAMESPACE . '/pricing-table/'),
235	'nonce' => wp_create_nonce('kng_pt_admin'),
236	'presets' => $this->get_presets(),
237	'i18n' => [
238	'confirmDelete' => __('Are you sure you want to delete this pricing table?', 'king-addons'),
239	'confirmDeletePlan' => __('Are you sure you want to delete this plan?', 'king-addons'),
240	'planName' => __('Plan', 'king-addons'),
241	'featureName' => __('Feature', 'king-addons'),
242	'copied' => __('Copied!', 'king-addons'),
243	'saving' => __('Saving...', 'king-addons'),
244	'saved' => __('Saved!', 'king-addons'),
245	],
246	]);
247	}
248
249	/**
250	* Enqueues frontend assets.
251	*
252	* @return void
253	*/
254	public function enqueue_frontend_assets(): void
255	{
256	// Only enqueue if needed (shortcode or widget used)
257	// Assets will be enqueued in render methods
258	}
259
260	/**
261	* Enqueues frontend assets when needed.
262	*
263	* @return void
264	*/
265	private function enqueue_frontend_assets_if_needed(): void
266	{
267	static $enqueued = false;
268
269	if ($enqueued) {
270	return;
271	}
272
273	wp_enqueue_style(
274	'king-addons-pt-frontend',
275	KING_ADDONS_URL . 'includes/extensions/Pricing_Table_Builder/assets/frontend.css',
276	[],
277	KING_ADDONS_VERSION
278	);
279
280	wp_enqueue_script(
281	'king-addons-pt-frontend',
282	KING_ADDONS_URL . 'includes/extensions/Pricing_Table_Builder/assets/frontend.js',
283	[],
284	KING_ADDONS_VERSION,
285	true
286	);
287
288	$enqueued = true;
289	}
290
291	/**
292	* Renders admin page.
293	*
294	* @return void
295	*/
296	public function render_admin_page(): void
297	{
298	$action = isset($_GET['action']) ? sanitize_text_field($_GET['action']) : 'list';
299	$table_id = isset($_GET['table_id']) ? intval($_GET['table_id']) : 0;
300
301	switch ($action) {
302	case 'edit':
303	case 'new':
304	$this->render_editor_page($table_id);
305	break;
306	default:
307	$this->render_list_page();
308	break;
309	}
310	}
311
312	/**
313	* Renders list page.
314	*
315	* @return void
316	*/
317	private function render_list_page(): void
318	{
319	$tables = get_posts([
320	'post_type' => self::POST_TYPE,
321	'posts_per_page' => -1,
322	'post_status' => ['publish', 'draft'],
323	'orderby' => 'modified',
324	'order' => 'DESC',
325	]);
326
327	include __DIR__ . '/templates/admin-list.php';
328	}
329
330	/**
331	* Renders editor page.
332	*
333	* @param int $table_id Table ID.
334	* @return void
335	*/
336	private function render_editor_page(int $table_id): void
337	{
338	$table = null;
339	$config = $this->get_default_table_config();
340
341	if ($table_id > 0) {
342	$table = get_post($table_id);
343	if ($table && $table->post_type === self::POST_TYPE) {
344	$saved_config = get_post_meta($table_id, self::META_CONFIG, true);
345	if (!empty($saved_config)) {
346	$config = wp_parse_args(json_decode($saved_config, true), $config);
347	}
348	}
349	}
350
351	$presets = $this->get_presets();
352	$is_premium = function_exists('king_addons_freemius') && king_addons_freemius()->can_use_premium_code__premium_only();
353
354	include __DIR__ . '/templates/admin-editor.php';
355	}
356
357	/**
358	* Gets default table config.
359	*
360	* @return array<string, mixed>
361	*/
362	public function get_default_table_config(): array
363	{
364	return [
365	'schema_version' => self::SCHEMA_VERSION,
366	'table' => [
367	'name' => '',
368	'status' => 'draft',
369	'layout' => [
370	'mode' => 'cards',
371	'columns_desktop' => 3,
372	'columns_tablet' => 2,
373	'columns_mobile' => 1,
374	'card_equal_height' => true,
375	'gap' => 24,
376	'max_width' => 1200,
377	'alignment' => 'center',
378	],
379	],
380	'billing' => [
381	'enabled' => true,
382	'type' => 'segmented',
383	'periods' => [
384	[
385	'key' => 'monthly',
386	'label' => 'Monthly',
387	'suffix' => '/mo',
388	'is_default' => false,
389	],
390	[
391	'key' => 'annual',
392	'label' => 'Annual',
393	'suffix' => '/yr',
394	'is_default' => true,
395	'badge' => [
396	'enabled' => true,
397	'text' => 'Save 16%',
398	],
399	],
400	],
401	'currency' => '$',
402	'currency_position' => 'before',
403	'decimals' => 0,
404	],
405	'plans' => [
406	$this->get_default_plan('basic', 'Basic', 'For individuals', 29, 290, 1),
407	$this->get_default_plan('pro', 'Pro', 'For teams', 79, 790, 2, true, 'Popular'),
408	$this->get_default_plan('enterprise', 'Enterprise', 'For organizations', 199, 1990, 3),
409	],
410	'features' => [
411	'mode' => 'per_plan',
412	'show_icons' => true,
413	],
414	'style' => [
415	'preset_id' => 'free_modern_cards',
416	'tokens' => [],
417	'overrides' => [
418	'custom_css_class' => '',
419	],
420	],
421	'advanced' => [
422	'hide_toggle' => false,
423	'force_period' => '',
424	'disable_animations' => false,
425	],
426	];
427	}
428
429	/**
430	* Gets default plan config.
431	*
432	* @param string $id Plan ID.
433	* @param string $name Plan name.
434	* @param string $subtitle Plan subtitle.
435	* @param int $monthly Monthly price.
436	* @param int $annual Annual price.
437	* @param int $order Order.
438	* @param bool $highlight Highlight.
439	* @param string $badge Badge text.
440	* @return array<string, mixed>
441	*/
442	private function get_default_plan(
443	string $id,
444	string $name,
445	string $subtitle,
446	int $monthly,
447	int $annual,
448	int $order,
449	bool $highlight = false,
450	string $badge = ''
451	): array {
452	return [
453	'id' => 'plan_' . $id,
454	'order' => $order,
455	'name' => $name,
456	'subtitle' => $subtitle,
457	'description' => '',
458	'badge' => [
459	'enabled' => !empty($badge),
460	'text' => $badge,
461	'style' => 'pill',
462	],
463	'highlight' => [
464	'enabled' => $highlight,
465	'style' => 'border',
466	],
467	'pricing' => [
468	'monthly' => [
469	'price' => (string)$monthly,
470	'note' => 'billed monthly',
471	],
472	'annual' => [
473	'price' => (string)$annual,
474	'note' => 'billed annually',
475	],
476	],
477	'cta' => [
478	'enabled' => true,
479	'text' => 'Get Started',
480	'url' => '#',
481	'target' => '_self',
482	'style' => $highlight ? 'primary' : 'secondary',
483	],
484	'features' => [
485	['text' => 'Feature 1', 'state' => 'enabled'],
486	['text' => 'Feature 2', 'state' => 'enabled'],
487	['text' => 'Feature 3', 'state' => $highlight ? 'enabled' : 'disabled'],
488	],
489	];
490	}
491
492	/**
493	* Handles save table action.
494	*
495	* @return void
496	*/
497	public function handle_save_table(): void
498	{
499	if (!current_user_can('manage_options')) {
500	wp_die(__('Unauthorized', 'king-addons'));
501	}
502
503	check_admin_referer('kng_pt_save', 'kng_pt_nonce');
504
505	$table_id = isset($_POST['table_id']) ? intval($_POST['table_id']) : 0;
506	$config_json = isset($_POST['config']) ? wp_unslash($_POST['config']) : '';
507
508	if (empty($config_json)) {
509	wp_die(__('Invalid config', 'king-addons'));
510	}
511
512	$config = json_decode($config_json, true);
513	if (json_last_error() !== JSON_ERROR_NONE) {
514	wp_die(__('Invalid JSON config', 'king-addons'));
515	}
516
517	$table_name = sanitize_text_field($config['table']['name'] ?? 'Untitled');
518	$table_status = ($config['table']['status'] ?? 'draft') === 'publish' ? 'publish' : 'draft';
519
520	$post_data = [
521	'post_title' => $table_name,
522	'post_status' => $table_status,
523	'post_type' => self::POST_TYPE,
524	];
525
526	if ($table_id > 0) {
527	$post_data['ID'] = $table_id;
528	wp_update_post($post_data);
529	} else {
530	$table_id = wp_insert_post($post_data);
531	}
532
533	if (is_wp_error($table_id)) {
534	wp_die($table_id->get_error_message());
535	}
536
537	update_post_meta($table_id, self::META_CONFIG, wp_json_encode($config));
538	update_post_meta($table_id, self::META_VERSION, self::SCHEMA_VERSION);
539
540	wp_safe_redirect(admin_url('admin.php?page=king-addons-pricing-tables&action=edit&table_id=' . $table_id . '&saved=1'));
541	exit;
542	}
543
544	/**
545	* Handles delete table action.
546	*
547	* @return void
548	*/
549	public function handle_delete_table(): void
550	{
551	if (!current_user_can('manage_options')) {
552	wp_die(__('Unauthorized', 'king-addons'));
553	}
554
555	$table_id = isset($_GET['table_id']) ? intval($_GET['table_id']) : 0;
556	check_admin_referer('kng_pt_delete_' . $table_id);
557
558	if ($table_id > 0) {
559	wp_delete_post($table_id, true);
560	}
561
562	wp_safe_redirect(admin_url('admin.php?page=king-addons-pricing-tables&deleted=1'));
563	exit;
564	}
565
566	/**
567	* Handles duplicate table action.
568	*
569	* @return void
570	*/
571	public function handle_duplicate_table(): void
572	{
573	if (!current_user_can('manage_options')) {
574	wp_die(__('Unauthorized', 'king-addons'));
575	}
576
577	$table_id = isset($_GET['table_id']) ? intval($_GET['table_id']) : 0;
578	check_admin_referer('kng_pt_duplicate_' . $table_id);
579
580	if ($table_id > 0) {
581	$original = get_post($table_id);
582	if ($original && $original->post_type === self::POST_TYPE) {
583	$new_id = wp_insert_post([
584	'post_title' => sprintf(__('Copy of %s', 'king-addons'), $original->post_title),
585	'post_status' => 'draft',
586	'post_type' => self::POST_TYPE,
587	]);
588
589	if (!is_wp_error($new_id)) {
590	$config = get_post_meta($table_id, self::META_CONFIG, true);
591	update_post_meta($new_id, self::META_CONFIG, $config);
592	update_post_meta($new_id, self::META_VERSION, self::SCHEMA_VERSION);
593
594	wp_safe_redirect(admin_url('admin.php?page=king-addons-pricing-tables&action=edit&table_id=' . $new_id));
595	exit;
596	}
597	}
598	}
599
600	wp_safe_redirect(admin_url('admin.php?page=king-addons-pricing-tables'));
601	exit;
602	}
603
604	/**
605	* Registers REST routes.
606	*
607	* @return void
608	*/
609	public function register_rest_routes(): void
610	{
611	register_rest_route(self::API_NAMESPACE, '/pricing-table/preview', [
612	'methods' => 'POST',
613	'callback' => [$this, 'rest_preview'],
614	'permission_callback' => function () {
615	return current_user_can('manage_options');
616	},
617	]);
618
619	register_rest_route(self::API_NAMESPACE, '/pricing-table/list', [
620	'methods' => 'GET',
621	'callback' => [$this, 'rest_get_tables'],
622	'permission_callback' => '__return_true',
623	]);
624
625	register_rest_route(self::API_NAMESPACE, '/pricing-table/(?P<id>\d+)', [
626	'methods' => 'GET',
627	'callback' => [$this, 'rest_get_table'],
628	'permission_callback' => '__return_true',
629	]);
630	}
631
632	/**
633	* REST preview endpoint.
634	*
635	* @param \WP_REST_Request $request Request object.
636	* @return \WP_REST_Response
637	*/
638	public function rest_preview(\WP_REST_Request $request): \WP_REST_Response
639	{
640	$config = $request->get_json_params();
641	$html = $this->render_table($config, true);
642
643	return new \WP_REST_Response([
644	'success' => true,
645	'html' => $html,
646	]);
647	}
648
649	/**
650	* REST get tables endpoint.
651	*
652	* @return \WP_REST_Response
653	*/
654	public function rest_get_tables(): \WP_REST_Response
655	{
656	$tables = get_posts([
657	'post_type' => self::POST_TYPE,
658	'posts_per_page' => -1,
659	'post_status' => 'publish',
660	]);
661
662	$result = [];
663	foreach ($tables as $table) {
664	$result[] = [
665	'id' => $table->ID,
666	'title' => $table->post_title,
667	];
668	}
669
670	return new \WP_REST_Response($result);
671	}
672
673	/**
674	* REST get single table endpoint.
675	*
676	* @param \WP_REST_Request $request Request object.
677	* @return \WP_REST_Response
678	*/
679	public function rest_get_table(\WP_REST_Request $request): \WP_REST_Response
680	{
681	$table_id = (int)$request->get_param('id');
682	$table = get_post($table_id);
683
684	if (!$table \|\| $table->post_type !== self::POST_TYPE) {
685	return new \WP_REST_Response(['error' => 'Not found'], 404);
686	}
687
688	$config = get_post_meta($table_id, self::META_CONFIG, true);
689
690	return new \WP_REST_Response([
691	'id' => $table_id,
692	'title' => $table->post_title,
693	'config' => json_decode($config, true),
694	]);
695	}
696
697	/**
698	* AJAX preview handler.
699	*
700	* @return void
701	*/
702	public function ajax_preview(): void
703	{
704	check_ajax_referer('kng_pt_admin', 'nonce');
705
706	$config_json = isset($_POST['config']) ? wp_unslash($_POST['config']) : '';
707	$config = json_decode($config_json, true);
708
709	if (!$config) {
710	wp_send_json_error('Invalid config');
711	}
712
713	$html = $this->render_table($config, true);
714	wp_send_json_success(['html' => $html]);
715	}
716
717	/**
718	* AJAX get tables handler.
719	*
720	* @return void
721	*/
722	public function ajax_get_tables(): void
723	{
724	$tables = get_posts([
725	'post_type' => self::POST_TYPE,
726	'posts_per_page' => -1,
727	'post_status' => 'publish',
728	]);
729
730	$result = [];
731	foreach ($tables as $table) {
732	$result[] = [
733	'id' => $table->ID,
734	'title' => $table->post_title,
735	];
736	}
737
738	wp_send_json_success($result);
739	}
740
741	/**
742	* Renders shortcode.
743	*
744	* @param array $atts Shortcode attributes.
745	* @return string
746	*/
747	public function render_shortcode(array $atts = []): string
748	{
749	$atts = shortcode_atts([
750	'id' => 0,
751	'period' => '',
752	'hide_toggle' => '',
753	], $atts, 'kng_pricing_table');
754
755	$table_id = intval($atts['id']);
756	if ($table_id <= 0) {
757	return '';
758	}
759
760	$table = get_post($table_id);
761	if (!$table \|\| $table->post_type !== self::POST_TYPE \|\| $table->post_status !== 'publish') {
762	return '';
763	}
764
765	$config_json = get_post_meta($table_id, self::META_CONFIG, true);
766	$config = json_decode($config_json, true);
767
768	if (!$config) {
769	return '';
770	}
771
772	// Apply shortcode overrides
773	if (!empty($atts['period'])) {
774	$config['advanced']['force_period'] = sanitize_text_field($atts['period']);
775	}
776	if ($atts['hide_toggle'] === '1') {
777	$config['advanced']['hide_toggle'] = true;
778	}
779
780	$this->enqueue_frontend_assets_if_needed();
781
782	return $this->render_table($config);
783	}
784
785	/**
786	* Renders pricing table HTML.
787	*
788	* @param array $config Table config.
789	* @param bool $is_preview Whether this is a preview render.
790	* @return string
791	*/
792	public function render_table(array $config, bool $is_preview = false): string
793	{
794	$preset = $this->get_preset($config['style']['preset_id'] ?? 'free_modern_cards');
795	$tokens = array_merge($preset['tokens'] ?? [], $config['style']['tokens'] ?? []);
796
797	// Generate CSS variables
798	$css_vars = $this->generate_css_variables($tokens);
799
800	// Get billing settings
801	$billing = $config['billing'] ?? [];
802	$billing_enabled = !empty($billing['enabled']) && empty($config['advanced']['hide_toggle']);
803	$periods = $billing['periods'] ?? [];
804	$default_period = '';
805	foreach ($periods as $period) {
806	if (!empty($period['is_default'])) {
807	$default_period = $period['key'];
808	break;
809	}
810	}
811	if (empty($default_period) && !empty($periods)) {
812	$default_period = $periods[0]['key'];
813	}
814
815	// Force period override
816	if (!empty($config['advanced']['force_period'])) {
817	$default_period = $config['advanced']['force_period'];
818	}
819
820	// Layout settings
821	$layout = $config['table']['layout'] ?? [];
822	$columns_desktop = $layout['columns_desktop'] ?? 3;
823	$columns_tablet = $layout['columns_tablet'] ?? 2;
824	$columns_mobile = $layout['columns_mobile'] ?? 1;
825	$gap = $layout['gap'] ?? 24;
826	$max_width = $layout['max_width'] ?? 1200;
827	$alignment = $layout['alignment'] ?? 'center';
828
829	// Plans
830	$plans = $config['plans'] ?? [];
831	usort($plans, function ($a, $b) {
832	return ($a['order'] ?? 0) - ($b['order'] ?? 0);
833	});
834
835	// Currency
836	$currency = $billing['currency'] ?? '$';
837	$currency_position = $billing['currency_position'] ?? 'before';
838
839	ob_start();
840	?>
841	<div class="kng-pt-wrapper kng-pt-preset-<?php echo esc_attr($config['style']['preset_id'] ?? 'default'); ?> <?php echo esc_attr($config['style']['overrides']['custom_css_class'] ?? ''); ?>"
842	style="<?php echo esc_attr($css_vars); ?> --kng-pt-columns-desktop: <?php echo esc_attr($columns_desktop); ?>; --kng-pt-columns-tablet: <?php echo esc_attr($columns_tablet); ?>; --kng-pt-columns-mobile: <?php echo esc_attr($columns_mobile); ?>; --kng-pt-gap: <?php echo esc_attr($gap); ?>px; --kng-pt-max-width: <?php echo esc_attr($max_width); ?>px;"
843	data-period="<?php echo esc_attr($default_period); ?>"
844	data-billing="<?php echo $billing_enabled ? '1' : '0'; ?>">
845
846	<div class="kng-pt-container" style="max-width: var(--kng-pt-max-width); margin: 0 auto; text-align: <?php echo esc_attr($alignment); ?>;">
847
848	<?php if ($billing_enabled && count($periods) > 1): ?>
849	<!-- Billing Toggle -->
850	<div class="kng-pt-toggle-wrapper">
851	<div class="kng-pt-toggle" role="radiogroup" aria-label="<?php esc_attr_e('Billing period', 'king-addons'); ?>">
852	<?php foreach ($periods as $index => $period): ?>
853	<button type="button"
854	class="kng-pt-toggle-btn <?php echo $period['key'] === $default_period ? 'is-active' : ''; ?>"
855	role="radio"
856	aria-checked="<?php echo $period['key'] === $default_period ? 'true' : 'false'; ?>"
857	data-period="<?php echo esc_attr($period['key']); ?>">
858	<?php echo esc_html($period['label']); ?>
859	<?php if (!empty($period['badge']['enabled']) && !empty($period['badge']['text'])): ?>
860	<span class="kng-pt-toggle-badge"><?php echo esc_html($period['badge']['text']); ?></span>
861	<?php endif; ?>
862	</button>
863	<?php endforeach; ?>
864	</div>
865	</div>
866	<?php endif; ?>
867
868	<!-- Plans Grid -->
869	<div class="kng-pt-grid">
870	<?php foreach ($plans as $plan): ?>
871	<?php echo $this->render_plan_card($plan, $config, $default_period); ?>
872	<?php endforeach; ?>
873	</div>
874
875	</div>
876	</div>
877	<?php
878	return ob_get_clean();
879	}
880
881	/**
882	* Renders a single plan card.
883	*
884	* @param array $plan Plan config.
885	* @param array $config Full table config.
886	* @param string $active_period Active period key.
887	* @return string
888	*/
889	private function render_plan_card(array $plan, array $config, string $active_period): string
890	{
891	$billing = $config['billing'] ?? [];
892	$currency = $billing['currency'] ?? '$';
893	$currency_position = $billing['currency_position'] ?? 'before';
894	$billing_enabled = !empty($billing['enabled']);
895	$periods = $billing['periods'] ?? [];
896
897	$is_highlighted = !empty($plan['highlight']['enabled']);
898	$badge_enabled = !empty($plan['badge']['enabled']);
899	$cta = $plan['cta'] ?? [];
900	$features = $plan['features'] ?? [];
901
902	ob_start();
903	?>
904	<div class="kng-pt-card <?php echo $is_highlighted ? 'kng-pt-card--highlighted' : ''; ?>">
905
906	<?php if ($badge_enabled && !empty($plan['badge']['text'])): ?>
907	<div class="kng-pt-card-badge kng-pt-badge--<?php echo esc_attr($plan['badge']['style'] ?? 'pill'); ?>">
908	<?php echo esc_html($plan['badge']['text']); ?>
909	</div>
910	<?php endif; ?>
911
912	<div class="kng-pt-card-header">
913	<h3 class="kng-pt-card-name"><?php echo esc_html($plan['name']); ?></h3>
914	<?php if (!empty($plan['subtitle'])): ?>
915	<p class="kng-pt-card-subtitle"><?php echo esc_html($plan['subtitle']); ?></p>
916	<?php endif; ?>
917	</div>
918
919	<div class="kng-pt-card-pricing">
920	<?php if ($billing_enabled): ?>
921	<?php foreach ($periods as $period):
922	$period_key = $period['key'];
923	$price_data = $plan['pricing'][$period_key] ?? [];
924	$price = $price_data['price'] ?? '0';
925	$note = $price_data['note'] ?? '';
926	$suffix = $period['suffix'] ?? '';
927	?>
928	<div class="kng-pt-price-group" data-period="<?php echo esc_attr($period_key); ?>" <?php echo $period_key !== $active_period ? 'style="display: none;"' : ''; ?>>
929	<div class="kng-pt-price">
930	<?php if ($currency_position === 'before'): ?>
931	<span class="kng-pt-price-currency"><?php echo esc_html($currency); ?></span>
932	<?php endif; ?>
933	<span class="kng-pt-price-value"><?php echo esc_html($price); ?></span>
934	<?php if ($currency_position === 'after'): ?>
935	<span class="kng-pt-price-currency"><?php echo esc_html($currency); ?></span>
936	<?php endif; ?>
937	<?php if (!empty($suffix)): ?>
938	<span class="kng-pt-price-suffix"><?php echo esc_html($suffix); ?></span>
939	<?php endif; ?>
940	</div>
941	<?php if (!empty($note)): ?>
942	<div class="kng-pt-price-note"><?php echo esc_html($note); ?></div>
943	<?php endif; ?>
944	</div>
945	<?php endforeach; ?>
946	<?php else: ?>
947	<?php
948	$price_data = $plan['pricing']['default'] ?? $plan['pricing']['monthly'] ?? [];
949	$price = $price_data['price'] ?? '0';
950	$note = $price_data['note'] ?? '';
951	?>
952	<div class="kng-pt-price-group">
953	<div class="kng-pt-price">
954	<?php if ($currency_position === 'before'): ?>
955	<span class="kng-pt-price-currency"><?php echo esc_html($currency); ?></span>
956	<?php endif; ?>
957	<span class="kng-pt-price-value"><?php echo esc_html($price); ?></span>
958	<?php if ($currency_position === 'after'): ?>
959	<span class="kng-pt-price-currency"><?php echo esc_html($currency); ?></span>
960	<?php endif; ?>
961	</div>
962	<?php if (!empty($note)): ?>
963	<div class="kng-pt-price-note"><?php echo esc_html($note); ?></div>
964	<?php endif; ?>
965	</div>
966	<?php endif; ?>
967	</div>
968
969	<?php if (!empty($cta['enabled'])): ?>
970	<div class="kng-pt-card-cta">
971	<a href="<?php echo esc_url($cta['url'] ?? '#'); ?>"
972	class="kng-pt-btn kng-pt-btn--<?php echo esc_attr($cta['style'] ?? 'primary'); ?>"
973	<?php echo ($cta['target'] ?? '_self') === '_blank' ? 'target="_blank" rel="noopener"' : ''; ?>>
974	<?php echo esc_html($cta['text'] ?? __('Get Started', 'king-addons')); ?>
975	</a>
976	</div>
977	<?php endif; ?>
978
979	<?php if (!empty($features) && !empty($config['features']['show_icons'])): ?>
980	<div class="kng-pt-card-features">
981	<ul class="kng-pt-features-list">
982	<?php foreach ($features as $feature): ?>
983	<li class="kng-pt-feature kng-pt-feature--<?php echo esc_attr($feature['state'] ?? 'enabled'); ?>">
984	<span class="kng-pt-feature-icon">
985	<?php if (($feature['state'] ?? 'enabled') === 'enabled'): ?>
986	<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5"><polyline points="20 6 9 17 4 12"/></svg>
987	<?php else: ?>
988	<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
989	<?php endif; ?>
990	</span>
991	<span class="kng-pt-feature-text"><?php echo esc_html($feature['text']); ?></span>
992	</li>
993	<?php endforeach; ?>
994	</ul>
995	</div>
996	<?php endif; ?>
997
998	<?php if (!empty($plan['fine_print'])): ?>
999	<div class="kng-pt-card-fine-print">
1000	<?php echo esc_html($plan['fine_print']); ?>
1001	</div>
1002	<?php endif; ?>
1003
1004	</div>
1005	<?php
1006	return ob_get_clean();
1007	}
1008
1009	/**
1010	* Generates CSS variables from tokens.
1011	*
1012	* @param array $tokens Style tokens.
1013	* @return string
1014	*/
1015	private function generate_css_variables(array $tokens): string
1016	{
1017	$vars = [];
1018
1019	// Colors
1020	$colors = $tokens['colors'] ?? [];
1021	if (!empty($colors['bg'])) $vars[] = '--kng-pt-bg:' . $colors['bg'];
1022	if (!empty($colors['card_bg'])) $vars[] = '--kng-pt-card-bg:' . $colors['card_bg'];
1023	if (!empty($colors['card_border'])) $vars[] = '--kng-pt-card-border:' . $colors['card_border'];
1024	if (!empty($colors['text'])) $vars[] = '--kng-pt-text:' . $colors['text'];
1025	if (!empty($colors['muted'])) $vars[] = '--kng-pt-muted:' . $colors['muted'];
1026	if (!empty($colors['accent'])) $vars[] = '--kng-pt-accent:' . $colors['accent'];
1027	if (!empty($colors['accent_text'])) $vars[] = '--kng-pt-accent-text:' . $colors['accent_text'];
1028	if (!empty($colors['badge_bg'])) $vars[] = '--kng-pt-badge-bg:' . $colors['badge_bg'];
1029	if (!empty($colors['badge_text'])) $vars[] = '--kng-pt-badge-text:' . $colors['badge_text'];
1030	if (!empty($colors['highlight'])) $vars[] = '--kng-pt-highlight:' . $colors['highlight'];
1031
1032	// Typography
1033	$typo = $tokens['typography'] ?? [];
1034	if (!empty($typo['title_size'])) $vars[] = '--kng-pt-title-size:' . $typo['title_size'] . 'px';
1035	if (!empty($typo['price_size'])) $vars[] = '--kng-pt-price-size:' . $typo['price_size'] . 'px';
1036	if (!empty($typo['body_size'])) $vars[] = '--kng-pt-body-size:' . $typo['body_size'] . 'px';
1037
1038	// Layout
1039	if (!empty($tokens['radius'])) $vars[] = '--kng-pt-radius:' . $tokens['radius'] . 'px';
1040	if (!empty($tokens['border_width'])) $vars[] = '--kng-pt-border-width:' . $tokens['border_width'] . 'px';
1041
1042	// Shadow
1043	$shadow_map = [
1044	'none' => 'none',
1045	'sm' => '0 2px 8px rgba(0,0,0,0.06)',
1046	'md' => '0 4px 20px rgba(0,0,0,0.08)',
1047	'lg' => '0 8px 40px rgba(0,0,0,0.12)',
1048	];
1049	if (!empty($tokens['shadow']) && isset($shadow_map[$tokens['shadow']])) {
1050	$vars[] = '--kng-pt-shadow:' . $shadow_map[$tokens['shadow']];
1051	}
1052
1053	return implode(';', $vars);
1054	}
1055
1056	/**
1057	* Gets all presets.
1058	*
1059	* @return array<string, array>
1060	*/
1061	public function get_presets(): array
1062	{
1063	return include __DIR__ . '/presets/presets.php';
1064	}
1065
1066	/**
1067	* Gets a single preset by ID.
1068	*
1069	* @param string $preset_id Preset ID.
1070	* @return array
1071	*/
1072	public function get_preset(string $preset_id): array
1073	{
1074	$presets = $this->get_presets();
1075	return $presets[$preset_id] ?? $presets['free_modern_cards'] ?? [];
1076	}
1077
1078	/**
1079	* Renders table for Elementor widget.
1080	*
1081	* @param int $table_id Table ID.
1082	* @param array $overrides Override settings.
1083	* @return string
1084	*/
1085	public function render_for_elementor(int $table_id, array $overrides = []): string
1086	{
1087	if ($table_id <= 0) {
1088	return '<p style="text-align:center;color:#999;">' . __('Please select a pricing table', 'king-addons') . '</p>';
1089	}
1090
1091	$table = get_post($table_id);
1092	if (!$table \|\| $table->post_type !== self::POST_TYPE) {
1093	return '<p style="text-align:center;color:#999;">' . __('Pricing table not found', 'king-addons') . '</p>';
1094	}
1095
1096	$config_json = get_post_meta($table_id, self::META_CONFIG, true);
1097	$config = json_decode($config_json, true);
1098
1099	if (!$config) {
1100	return '<p style="text-align:center;color:#999;">' . __('Invalid pricing table config', 'king-addons') . '</p>';
1101	}
1102
1103	// Apply overrides
1104	if (!empty($overrides['force_period'])) {
1105	$config['advanced']['force_period'] = $overrides['force_period'];
1106	}
1107	if (!empty($overrides['hide_toggle'])) {
1108	$config['advanced']['hide_toggle'] = true;
1109	}
1110	if (!empty($overrides['columns_desktop'])) {
1111	$config['table']['layout']['columns_desktop'] = (int)$overrides['columns_desktop'];
1112	}
1113	if (!empty($overrides['columns_tablet'])) {
1114	$config['table']['layout']['columns_tablet'] = (int)$overrides['columns_tablet'];
1115	}
1116	if (!empty($overrides['columns_mobile'])) {
1117	$config['table']['layout']['columns_mobile'] = (int)$overrides['columns_mobile'];
1118	}
1119	if (!empty($overrides['max_width'])) {
1120	$config['table']['layout']['max_width'] = (int)$overrides['max_width'];
1121	}
1122	if (!empty($overrides['alignment'])) {
1123	$config['table']['layout']['alignment'] = $overrides['alignment'];
1124	}
1125
1126	$this->enqueue_frontend_assets_if_needed();
1127
1128	return $this->render_table($config);
1129	}
1130	}
1131