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

Pricing_Table_Builder.php in King Addons for Elementor – 80+ Elementor Widgets, 4 000+ Elementor Templates, WooCommerce, Mega Menu, Popup Builder 51.1.78, 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' => [$this, 'rest_get_tables'],
622	'permission_callback' => function () {
623	return current_user_can('manage_options');
624	},
625	]);
626
627	register_rest_route(self::API_NAMESPACE, '/pricing-table/(?P<id>\d+)', [
628	'methods' => 'GET',
629	'callback' => [$this, 'rest_get_table'],
630	'permission_callback' => function () {
631	return current_user_can('manage_options');
632	},
633	]);
634	}
635
636	/**
637	* REST preview endpoint.
638	*
639	* @param \WP_REST_Request $request Request object.
640	* @return \WP_REST_Response
641	*/
642	public function rest_preview(\WP_REST_Request $request): \WP_REST_Response
643	{
644	$config = $request->get_json_params();
645	$html = $this->render_table($config, true);
646
647	return new \WP_REST_Response([
648	'success' => true,
649	'html' => $html,
650	]);
651	}
652
653	/**
654	* REST get tables endpoint.
655	*
656	* @return \WP_REST_Response
657	*/
658	public function rest_get_tables(): \WP_REST_Response
659	{
660	$tables = get_posts([
661	'post_type' => self::POST_TYPE,
662	'posts_per_page' => -1,
663	'post_status' => 'publish',
664	]);
665
666	$result = [];
667	foreach ($tables as $table) {
668	$result[] = [
669	'id' => $table->ID,
670	'title' => $table->post_title,
671	];
672	}
673
674	return new \WP_REST_Response($result);
675	}
676
677	/**
678	* REST get single table endpoint.
679	*
680	* @param \WP_REST_Request $request Request object.
681	* @return \WP_REST_Response
682	*/
683	public function rest_get_table(\WP_REST_Request $request): \WP_REST_Response
684	{
685	$table_id = (int)$request->get_param('id');
686	$table = get_post($table_id);
687
688	if (!$table \|\| $table->post_type !== self::POST_TYPE) {
689	return new \WP_REST_Response(['error' => 'Not found'], 404);
690	}
691
692	if ($table->post_status !== 'publish' && !current_user_can('edit_post', $table_id)) {
693	return new \WP_REST_Response(['error' => 'Not found'], 404);
694	}
695
696	$config = get_post_meta($table_id, self::META_CONFIG, true);
697
698	return new \WP_REST_Response([
699	'id' => $table_id,
700	'title' => $table->post_title,
701	'config' => json_decode($config, true),
702	]);
703	}
704
705	/**
706	* AJAX preview handler.
707	*
708	* @return void
709	*/
710	public function ajax_preview(): void
711	{
712	check_ajax_referer('kng_pt_admin', 'nonce');
713
714	$config_json = isset($_POST['config']) ? wp_unslash($_POST['config']) : '';
715	$config = json_decode($config_json, true);
716
717	if (!$config) {
718	wp_send_json_error('Invalid config');
719	}
720
721	$html = $this->render_table($config, true);
722	wp_send_json_success(['html' => $html]);
723	}
724
725	/**
726	* AJAX get tables handler.
727	*
728	* @return void
729	*/
730	public function ajax_get_tables(): void
731	{
732	$tables = get_posts([
733	'post_type' => self::POST_TYPE,
734	'posts_per_page' => -1,
735	'post_status' => 'publish',
736	]);
737
738	$result = [];
739	foreach ($tables as $table) {
740	$result[] = [
741	'id' => $table->ID,
742	'title' => $table->post_title,
743	];
744	}
745
746	wp_send_json_success($result);
747	}
748
749	/**
750	* Renders shortcode.
751	*
752	* @param array $atts Shortcode attributes.
753	* @return string
754	*/
755	public function render_shortcode(array $atts = []): string
756	{
757	$atts = shortcode_atts([
758	'id' => 0,
759	'period' => '',
760	'hide_toggle' => '',
761	], $atts, 'kng_pricing_table');
762
763	$table_id = intval($atts['id']);
764	if ($table_id <= 0) {
765	return '';
766	}
767
768	$table = get_post($table_id);
769	if (!$table \|\| $table->post_type !== self::POST_TYPE \|\| $table->post_status !== 'publish') {
770	return '';
771	}
772
773	$config_json = get_post_meta($table_id, self::META_CONFIG, true);
774	$config = json_decode($config_json, true);
775
776	if (!$config) {
777	return '';
778	}
779
780	// Apply shortcode overrides
781	if (!empty($atts['period'])) {
782	$config['advanced']['force_period'] = sanitize_text_field($atts['period']);
783	}
784	if ($atts['hide_toggle'] === '1') {
785	$config['advanced']['hide_toggle'] = true;
786	}
787
788	$this->enqueue_frontend_assets_if_needed();
789
790	return $this->render_table($config);
791	}
792
793	/**
794	* Renders pricing table HTML.
795	*
796	* @param array $config Table config.
797	* @param bool $is_preview Whether this is a preview render.
798	* @return string
799	*/
800	public function render_table(array $config, bool $is_preview = false): string
801	{
802	$preset = $this->get_preset($config['style']['preset_id'] ?? 'free_modern_cards');
803	$tokens = array_merge($preset['tokens'] ?? [], $config['style']['tokens'] ?? []);
804
805	// Generate CSS variables
806	$css_vars = $this->generate_css_variables($tokens);
807
808	// Get billing settings
809	$billing = $config['billing'] ?? [];
810	$billing_enabled = !empty($billing['enabled']) && empty($config['advanced']['hide_toggle']);
811	$periods = $billing['periods'] ?? [];
812	$default_period = '';
813	foreach ($periods as $period) {
814	if (!empty($period['is_default'])) {
815	$default_period = $period['key'];
816	break;
817	}
818	}
819	if (empty($default_period) && !empty($periods)) {
820	$default_period = $periods[0]['key'];
821	}
822
823	// Force period override
824	if (!empty($config['advanced']['force_period'])) {
825	$default_period = $config['advanced']['force_period'];
826	}
827
828	// Layout settings
829	$layout = $config['table']['layout'] ?? [];
830	$columns_desktop = $layout['columns_desktop'] ?? 3;
831	$columns_tablet = $layout['columns_tablet'] ?? 2;
832	$columns_mobile = $layout['columns_mobile'] ?? 1;
833	$gap = $layout['gap'] ?? 24;
834	$max_width = $layout['max_width'] ?? 1200;
835	$alignment = $layout['alignment'] ?? 'center';
836
837	// Plans
838	$plans = $config['plans'] ?? [];
839	usort($plans, function ($a, $b) {
840	return ($a['order'] ?? 0) - ($b['order'] ?? 0);
841	});
842
843	// Currency
844	$currency = $billing['currency'] ?? '$';
845	$currency_position = $billing['currency_position'] ?? 'before';
846
847	ob_start();
848	?>
849	<div class="kng-pt-wrapper kng-pt-preset-<?php echo esc_attr($config['style']['preset_id'] ?? 'default'); ?> <?php echo esc_attr($config['style']['overrides']['custom_css_class'] ?? ''); ?>"
850	style="<?php echo esc_attr($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($max_width); ?>px;"
851	data-period="<?php echo esc_attr($default_period); ?>"
852	data-billing="<?php echo $billing_enabled ? '1' : '0'; ?>">
853
854	<div class="kng-pt-container" style="max-width: var(--kng-pt-max-width); margin: 0 auto; text-align: <?php echo esc_attr($alignment); ?>;">
855
856	<?php if ($billing_enabled && count($periods) > 1): ?>
857	<!-- Billing Toggle -->
858	<div class="kng-pt-toggle-wrapper">
859	<div class="kng-pt-toggle" role="radiogroup" aria-label="<?php esc_attr_e('Billing period', 'king-addons'); ?>">
860	<?php foreach ($periods as $index => $period): ?>
861	<button type="button"
862	class="kng-pt-toggle-btn <?php echo $period['key'] === $default_period ? 'is-active' : ''; ?>"
863	role="radio"
864	aria-checked="<?php echo $period['key'] === $default_period ? 'true' : 'false'; ?>"
865	data-period="<?php echo esc_attr($period['key']); ?>">
866	<?php echo esc_html($period['label']); ?>
867	<?php if (!empty($period['badge']['enabled']) && !empty($period['badge']['text'])): ?>
868	<span class="kng-pt-toggle-badge"><?php echo esc_html($period['badge']['text']); ?></span>
869	<?php endif; ?>
870	</button>
871	<?php endforeach; ?>
872	</div>
873	</div>
874	<?php endif; ?>
875
876	<!-- Plans Grid -->
877	<div class="kng-pt-grid">
878	<?php foreach ($plans as $plan): ?>
879	<?php echo $this->render_plan_card($plan, $config, $default_period); ?>
880	<?php endforeach; ?>
881	</div>
882
883	</div>
884	</div>
885	<?php
886	return ob_get_clean();
887	}
888
889	/**
890	* Renders a single plan card.
891	*
892	* @param array $plan Plan config.
893	* @param array $config Full table config.
894	* @param string $active_period Active period key.
895	* @return string
896	*/
897	private function render_plan_card(array $plan, array $config, string $active_period): string
898	{
899	$billing = $config['billing'] ?? [];
900	$currency = $billing['currency'] ?? '$';
901	$currency_position = $billing['currency_position'] ?? 'before';
902	$billing_enabled = !empty($billing['enabled']);
903	$periods = $billing['periods'] ?? [];
904
905	$is_highlighted = !empty($plan['highlight']['enabled']);
906	$badge_enabled = !empty($plan['badge']['enabled']);
907	$cta = $plan['cta'] ?? [];
908	$features = $plan['features'] ?? [];
909
910	ob_start();
911	?>
912	<div class="kng-pt-card <?php echo $is_highlighted ? 'kng-pt-card--highlighted' : ''; ?>">
913
914	<?php if ($badge_enabled && !empty($plan['badge']['text'])): ?>
915	<div class="kng-pt-card-badge kng-pt-badge--<?php echo esc_attr($plan['badge']['style'] ?? 'pill'); ?>">
916	<?php echo esc_html($plan['badge']['text']); ?>
917	</div>
918	<?php endif; ?>
919
920	<div class="kng-pt-card-header">
921	<h3 class="kng-pt-card-name"><?php echo esc_html($plan['name']); ?></h3>
922	<?php if (!empty($plan['subtitle'])): ?>
923	<p class="kng-pt-card-subtitle"><?php echo esc_html($plan['subtitle']); ?></p>
924	<?php endif; ?>
925	</div>
926
927	<div class="kng-pt-card-pricing">
928	<?php if ($billing_enabled): ?>
929	<?php foreach ($periods as $period):
930	$period_key = $period['key'];
931	$price_data = $plan['pricing'][$period_key] ?? [];
932	$price = $price_data['price'] ?? '0';
933	$note = $price_data['note'] ?? '';
934	$suffix = $period['suffix'] ?? '';
935	?>
936	<div class="kng-pt-price-group" data-period="<?php echo esc_attr($period_key); ?>" <?php echo $period_key !== $active_period ? 'style="display: none;"' : ''; ?>>
937	<div class="kng-pt-price">
938	<?php if ($currency_position === 'before'): ?>
939	<span class="kng-pt-price-currency"><?php echo esc_html($currency); ?></span>
940	<?php endif; ?>
941	<span class="kng-pt-price-value"><?php echo esc_html($price); ?></span>
942	<?php if ($currency_position === 'after'): ?>
943	<span class="kng-pt-price-currency"><?php echo esc_html($currency); ?></span>
944	<?php endif; ?>
945	<?php if (!empty($suffix)): ?>
946	<span class="kng-pt-price-suffix"><?php echo esc_html($suffix); ?></span>
947	<?php endif; ?>
948	</div>
949	<?php if (!empty($note)): ?>
950	<div class="kng-pt-price-note"><?php echo esc_html($note); ?></div>
951	<?php endif; ?>
952	</div>
953	<?php endforeach; ?>
954	<?php else: ?>
955	<?php
956	$price_data = $plan['pricing']['default'] ?? $plan['pricing']['monthly'] ?? [];
957	$price = $price_data['price'] ?? '0';
958	$note = $price_data['note'] ?? '';
959	?>
960	<div class="kng-pt-price-group">
961	<div class="kng-pt-price">
962	<?php if ($currency_position === 'before'): ?>
963	<span class="kng-pt-price-currency"><?php echo esc_html($currency); ?></span>
964	<?php endif; ?>
965	<span class="kng-pt-price-value"><?php echo esc_html($price); ?></span>
966	<?php if ($currency_position === 'after'): ?>
967	<span class="kng-pt-price-currency"><?php echo esc_html($currency); ?></span>
968	<?php endif; ?>
969	</div>
970	<?php if (!empty($note)): ?>
971	<div class="kng-pt-price-note"><?php echo esc_html($note); ?></div>
972	<?php endif; ?>
973	</div>
974	<?php endif; ?>
975	</div>
976
977	<?php if (!empty($cta['enabled'])): ?>
978	<div class="kng-pt-card-cta">
979	<a href="<?php echo esc_url($cta['url'] ?? '#'); ?>"
980	class="kng-pt-btn kng-pt-btn--<?php echo esc_attr($cta['style'] ?? 'primary'); ?>"
981	<?php echo ($cta['target'] ?? '_self') === '_blank' ? 'target="_blank" rel="noopener"' : ''; ?>>
982	<?php echo esc_html($cta['text'] ?? __('Get Started', 'king-addons')); ?>
983	</a>
984	</div>
985	<?php endif; ?>
986
987	<?php if (!empty($features) && !empty($config['features']['show_icons'])): ?>
988	<div class="kng-pt-card-features">
989	<ul class="kng-pt-features-list">
990	<?php foreach ($features as $feature): ?>
991	<li class="kng-pt-feature kng-pt-feature--<?php echo esc_attr($feature['state'] ?? 'enabled'); ?>">
992	<span class="kng-pt-feature-icon">
993	<?php if (($feature['state'] ?? 'enabled') === 'enabled'): ?>
994	<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5"><polyline points="20 6 9 17 4 12"/></svg>
995	<?php else: ?>
996	<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
997	<?php endif; ?>
998	</span>
999	<span class="kng-pt-feature-text"><?php echo esc_html($feature['text']); ?></span>
1000	</li>
1001	<?php endforeach; ?>
1002	</ul>
1003	</div>
1004	<?php endif; ?>
1005
1006	<?php if (!empty($plan['fine_print'])): ?>
1007	<div class="kng-pt-card-fine-print">
1008	<?php echo esc_html($plan['fine_print']); ?>
1009	</div>
1010	<?php endif; ?>
1011
1012	</div>
1013	<?php
1014	return ob_get_clean();
1015	}
1016
1017	/**
1018	* Generates CSS variables from tokens.
1019	*
1020	* @param array $tokens Style tokens.
1021	* @return string
1022	*/
1023	private function generate_css_variables(array $tokens): string
1024	{
1025	$vars = [];
1026
1027	// Colors
1028	$colors = $tokens['colors'] ?? [];
1029	if (!empty($colors['bg'])) $vars[] = '--kng-pt-bg:' . $colors['bg'];
1030	if (!empty($colors['card_bg'])) $vars[] = '--kng-pt-card-bg:' . $colors['card_bg'];
1031	if (!empty($colors['card_border'])) $vars[] = '--kng-pt-card-border:' . $colors['card_border'];
1032	if (!empty($colors['text'])) $vars[] = '--kng-pt-text:' . $colors['text'];
1033	if (!empty($colors['muted'])) $vars[] = '--kng-pt-muted:' . $colors['muted'];
1034	if (!empty($colors['accent'])) $vars[] = '--kng-pt-accent:' . $colors['accent'];
1035	if (!empty($colors['accent_text'])) $vars[] = '--kng-pt-accent-text:' . $colors['accent_text'];
1036	if (!empty($colors['badge_bg'])) $vars[] = '--kng-pt-badge-bg:' . $colors['badge_bg'];
1037	if (!empty($colors['badge_text'])) $vars[] = '--kng-pt-badge-text:' . $colors['badge_text'];
1038	if (!empty($colors['highlight'])) $vars[] = '--kng-pt-highlight:' . $colors['highlight'];
1039
1040	// Typography
1041	$typo = $tokens['typography'] ?? [];
1042	if (!empty($typo['title_size'])) $vars[] = '--kng-pt-title-size:' . $typo['title_size'] . 'px';
1043	if (!empty($typo['price_size'])) $vars[] = '--kng-pt-price-size:' . $typo['price_size'] . 'px';
1044	if (!empty($typo['body_size'])) $vars[] = '--kng-pt-body-size:' . $typo['body_size'] . 'px';
1045
1046	// Layout
1047	if (!empty($tokens['radius'])) $vars[] = '--kng-pt-radius:' . $tokens['radius'] . 'px';
1048	if (!empty($tokens['border_width'])) $vars[] = '--kng-pt-border-width:' . $tokens['border_width'] . 'px';
1049
1050	// Shadow
1051	$shadow_map = [
1052	'none' => 'none',
1053	'sm' => '0 2px 8px rgba(0,0,0,0.06)',
1054	'md' => '0 4px 20px rgba(0,0,0,0.08)',
1055	'lg' => '0 8px 40px rgba(0,0,0,0.12)',
1056	];
1057	if (!empty($tokens['shadow']) && isset($shadow_map[$tokens['shadow']])) {
1058	$vars[] = '--kng-pt-shadow:' . $shadow_map[$tokens['shadow']];
1059	}
1060
1061	return implode(';', $vars);
1062	}
1063
1064	/**
1065	* Gets all presets.
1066	*
1067	* @return array<string, array>
1068	*/
1069	public function get_presets(): array
1070	{
1071	return include __DIR__ . '/presets/presets.php';
1072	}
1073
1074	/**
1075	* Gets a single preset by ID.
1076	*
1077	* @param string $preset_id Preset ID.
1078	* @return array
1079	*/
1080	public function get_preset(string $preset_id): array
1081	{
1082	$presets = $this->get_presets();
1083	return $presets[$preset_id] ?? $presets['free_modern_cards'] ?? [];
1084	}
1085
1086	/**
1087	* Renders table for Elementor widget.
1088	*
1089	* @param int $table_id Table ID.
1090	* @param array $overrides Override settings.
1091	* @return string
1092	*/
1093	public function render_for_elementor(int $table_id, array $overrides = []): string
1094	{
1095	if ($table_id <= 0) {
1096	return '<p style="text-align:center;color:#999;">' . __('Please select a pricing table', 'king-addons') . '</p>';
1097	}
1098
1099	$table = get_post($table_id);
1100	if (!$table \|\| $table->post_type !== self::POST_TYPE) {
1101	return '<p style="text-align:center;color:#999;">' . __('Pricing table not found', 'king-addons') . '</p>';
1102	}
1103
1104	$config_json = get_post_meta($table_id, self::META_CONFIG, true);
1105	$config = json_decode($config_json, true);
1106
1107	if (!$config) {
1108	return '<p style="text-align:center;color:#999;">' . __('Invalid pricing table config', 'king-addons') . '</p>';
1109	}
1110
1111	// Apply overrides
1112	if (!empty($overrides['force_period'])) {
1113	$config['advanced']['force_period'] = $overrides['force_period'];
1114	}
1115	if (!empty($overrides['hide_toggle'])) {
1116	$config['advanced']['hide_toggle'] = true;
1117	}
1118	if (!empty($overrides['columns_desktop'])) {
1119	$config['table']['layout']['columns_desktop'] = (int)$overrides['columns_desktop'];
1120	}
1121	if (!empty($overrides['columns_tablet'])) {
1122	$config['table']['layout']['columns_tablet'] = (int)$overrides['columns_tablet'];
1123	}
1124	if (!empty($overrides['columns_mobile'])) {
1125	$config['table']['layout']['columns_mobile'] = (int)$overrides['columns_mobile'];
1126	}
1127	if (!empty($overrides['max_width'])) {
1128	$config['table']['layout']['max_width'] = (int)$overrides['max_width'];
1129	}
1130	if (!empty($overrides['alignment'])) {
1131	$config['table']['layout']['alignment'] = $overrides['alignment'];
1132	}
1133
1134	$this->enqueue_frontend_assets_if_needed();
1135
1136	return $this->render_table($config);
1137	}
1138	}
1139