class-agents-manager.php — Jetpack – WP Security, Backup, Speed, & Growth 16.1-a.5

jetpack / jetpack_vendor / automattic / jetpack-agents-manager / src / class-agents-manager.php

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js 2 months ago class-agents-manager.php 1 month ago class-open-state-store.php 2 months ago class-sidebar-open-preservation.php 1 month ago class-wp-rest-agents-manager-persisted-open-state.php 2 months ago class-wp-rest-jetpack-ai-jwt.php 2 months ago

class-agents-manager.php

1044 lines

1	<?php
2	/**
3	* Agents manager
4	*
5	* @package automattic/jetpack-agents-manager
6	*/
7
8	namespace Automattic\Jetpack\Agents_Manager;
9
10	use Automattic\Jetpack\Connection\Manager as Connection_Manager;
11	use Automattic\Jetpack\Constants;
12
13	/**
14	* Class Agents_Manager
15	*/
16	class Agents_Manager {
17	/**
18	* The package version of the Agents Manager package.
19	*
20	* @var string
21	*/
22	const PACKAGE_VERSION = '0.8.4';
23
24	/**
25	* Help Center URL for disconnected variants.
26	*
27	* @var string
28	*/
29	private const HELP_CENTER_URL = 'https://wordpress.com/help?help-center=home';
30
31	/**
32	* Class instance.
33	*
34	* @var Agents_Manager
35	*/
36	private static $instance = null;
37
38	/**
39	* Agents_Manager constructor.
40	*/
41	private function __construct() {
42	add_action( 'rest_api_init', array( $this, 'register_rest_api' ) );
43	add_filter( 'calypso_preferences_update', array( $this, 'calypso_preferences_update' ) );
44
45	add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ), 101 );
46	add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ), 101 );
47	add_action( 'next_admin_init', array( $this, 'enqueue_scripts' ), 1001 );
48	add_filter( 'agents_manager_use_unified_experience', array( $this, 'should_use_unified_experience' ) );
49
50	Sidebar_Open_Preservation::init();
51	}
52
53	/**
54	* Check if the agents manager menu panel should be displayed.
55	*
56	* @return bool True if the menu panel should be displayed.
57	*/
58	public function should_display_menu_panel() {
59	return self::is_unified_experience();
60	}
61
62	/**
63	* Get the SVG icon markup for a given icon name.
64	*
65	* @param string $icon_name The name of the icon to retrieve.
66	* @return string The SVG markup.
67	*/
68	private function get_icon( $icon_name ) {
69	$icons = array(
70	'comment' => '<svg class="help-center-menu-icon" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M18 4H6c-1.1 0-2 .9-2 2v12.9c0 .6.5 1.1 1.1 1.1.3 0 .5-.1.8-.3L8.5 17H18c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm.5 11c0 .3-.2.5-.5.5H7.9l-2.4 2.4V6c0-.3.2-.5.5-.5h12c.3 0 .5.2.5.5v9z" /></svg>',
71	'backup' => '<svg class="help-center-menu-icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M5.5 12h1.75l-2.5 3-2.5-3H4a8 8 0 113.134 6.35l.907-1.194A6.5 6.5 0 105.5 12zm9.53 1.97l-2.28-2.28V8.5a.75.75 0 00-1.5 0V12a.747.747 0 00.218.529l1.282-.84-1.28.842 2.5 2.5a.75.75 0 101.06-1.061z" /></svg>',
72	'page' => '<svg class="help-center-menu-icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M15.5 7.5h-7V9h7V7.5Zm-7 3.5h7v1.5h-7V11Zm7 3.5h-7V16h7v-1.5Z" /><path d="M17 4H7a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2ZM7 5.5h10a.5.5 0 0 1 .5.5v12a.5.5 0 0 1-.5.5H7a.5.5 0 0 1-.5-.5V6a.5.5 0 0 1 .5-.5Z" /></svg>',
73	'video' => '<svg class="help-center-menu-icon" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M18.7 3H5.3C4 3 3 4 3 5.3v13.4C3 20 4 21 5.3 21h13.4c1.3 0 2.3-1 2.3-2.3V5.3C21 4 20 3 18.7 3zm.8 15.7c0 .4-.4.8-.8.8H5.3c-.4 0-.8-.4-.8-.8V5.3c0-.4.4-.8.8-.8h13.4c.4 0 .8.4.8.8v13.4zM10 15l5-3-5-3v6z" /></svg>',
74	'rss' => '<svg class="help-center-menu-icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M5 10.2h-.8v1.5H5c1.9 0 3.8.8 5.1 2.1 1.4 1.4 2.1 3.2 2.1 5.1v.8h1.5V19c0-2.3-.9-4.5-2.6-6.2-1.6-1.6-3.8-2.6-6.1-2.6zm10.4-1.6C12.6 5.8 8.9 4.2 5 4.2h-.8v1.5H5c3.5 0 6.9 1.4 9.4 3.9s3.9 5.8 3.9 9.4v.8h1.5V19c0-3.9-1.6-7.6-4.4-10.4zM4 20h3v-3H4v3z" /></svg>',
75	);
76
77	return $icons[ $icon_name ] ?? '';
78	}
79
80	/**
81	* Add the Agents Manager Help "?" node (`agents-manager`) to the admin bar, replacing the
82	* legacy Help Center node (`help-center`).
83	*
84	* @param \WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
85	* @param bool $use_disconnected Disconnected variants link straight to the Help Center instead of opening the dropdown.
86	*/
87	public function add_help_menu( $wp_admin_bar, $use_disconnected ) {
88	$wp_admin_bar->remove_node( 'help-center' );
89
90	$menu_args = array(
91	'id' => 'agents-manager',
92	'title' => '<span title="' . esc_attr__( 'Help Center', 'jetpack-agents-manager' ) . '"><svg id="agents-manager-icon" class="ab-icon" width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
93	<path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M12 2C6.477 2 2 6.477 2 12s4.477 10 10 10 10-4.477 10-10S17.523 2 12 2zm-1 16v-2h2v2h-2zm2-3v-1.141A3.991 3.991 0 0016 10a4 4 0 00-8 0h2c0-1.103.897-2 2-2s2 .897 2 2-.897 2-2 2a1 1 0 00-1 1v2h2z" />
94	</svg></span>',
95	'parent' => 'top-secondary',
96	);
97
98	if ( $use_disconnected ) {
99	$menu_args['href'] = self::HELP_CENTER_URL;
100	$menu_args['meta'] = array(
101	'target' => '_blank',
102	'rel' => 'noopener noreferrer',
103	);
104	} else {
105	$menu_args['meta'] = array(
106	'html' => '<div id="agents-manager-masterbar"></div>',
107	'class' => 'menupop',
108	'target' => '_blank',
109	'rel' => 'noopener noreferrer',
110	);
111	}
112
113	$wp_admin_bar->add_menu( $menu_args );
114	}
115
116	/**
117	* Add the agents manager menu panel to the admin bar.
118	*
119	* @param \WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
120	*/
121	public function add_menu_panel( $wp_admin_bar ) {
122	// Add chat support group
123	$wp_admin_bar->add_group(
124	array(
125	'parent' => 'agents-manager',
126	'id' => 'agents-manager-menu-panel-chat',
127	'meta' => array(
128	'class' => 'ab-sub-secondary',
129	),
130	)
131	);
132
133	// Add chat support menu item
134	$wp_admin_bar->add_node(
135	array(
136	'parent' => 'agents-manager-menu-panel-chat',
137	'id' => 'agents-manager-chat-support',
138	'title' => $this->get_icon( 'comment' ) . '<span>' . __( 'Chat support', 'jetpack-agents-manager' ) . '</span>',
139	)
140	);
141
142	// Add chat history menu item
143	$wp_admin_bar->add_node(
144	array(
145	'parent' => 'agents-manager-menu-panel-chat',
146	'id' => 'agents-manager-chat-history',
147	'title' => $this->get_icon( 'backup' ) . '<span>' . __( 'Chat history', 'jetpack-agents-manager' ) . '</span>',
148	)
149	);
150
151	// Add links group
152	$wp_admin_bar->add_group(
153	array(
154	'parent' => 'agents-manager',
155	'id' => 'agents-manager-menu-panel-links',
156	'meta' => array(
157	'class' => 'ab-sub-secondary',
158	),
159	)
160	);
161
162	// Add support guides menu item
163	$wp_admin_bar->add_node(
164	array(
165	'parent' => 'agents-manager-menu-panel-links',
166	'id' => 'agents-manager-support-guides',
167	'title' => $this->get_icon( 'page' ) . '<span>' . __( 'Support guides', 'jetpack-agents-manager' ) . '</span>',
168	)
169	);
170
171	// Add courses menu item
172	$wp_admin_bar->add_node(
173	array(
174	'parent' => 'agents-manager-menu-panel-links',
175	'id' => 'agents-manager-courses',
176	'title' => $this->get_icon( 'video' ) . '<span>' . __( 'Courses', 'jetpack-agents-manager' ) . '</span>',
177	'href' => 'https://wordpress.com/support/courses/',
178	'meta' => array(
179	'target' => '_blank',
180	'rel' => 'noopener noreferrer',
181	),
182	)
183	);
184
185	// Add product updates menu item
186	$wp_admin_bar->add_node(
187	array(
188	'parent' => 'agents-manager-menu-panel-links',
189	'id' => 'agents-manager-product-updates',
190	'title' => $this->get_icon( 'rss' ) . '<span>' . __( 'Product updates', 'jetpack-agents-manager' ) . '</span>',
191	'href' => 'https://wordpress.com/blog/category/product-features/',
192	'meta' => array(
193	'target' => '_blank',
194	'rel' => 'noopener noreferrer',
195	),
196	)
197	);
198	}
199
200	/**
201	* Add the standalone AI chat button to the admin bar.
202	*
203	* @param \WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
204	*/
205	public function add_ai_chat_button( $wp_admin_bar ) {
206	$wp_admin_bar->add_menu(
207	array(
208	'id' => 'agents-manager-ai-chat',
209	'parent' => 'top-secondary',
210	'title' => '<span title="' . esc_attr__( 'Ask AI', 'jetpack-agents-manager' ) . '"><svg class="ab-icon" role="img" aria-label="' . esc_attr__( 'Ask AI', 'jetpack-agents-manager' ) . '" width="24" height="24" viewBox="-45 -45 490 490" xmlns="http://www.w3.org/2000/svg">
211	<path fill="currentColor" d="M391.528 188.061L309.455 159.75C276.997 148.597 251.403 123.003 240.25 90.5451L211.939 8.47185C208.079 -2.82395 191.921 -2.82395 188.061 8.47185L159.75 90.5451C148.597 123.003 123.003 148.597 90.5451 159.75L8.47185 188.061C-2.82395 191.921 -2.82395 208.079 8.47185 211.939L90.5451 240.25C123.003 251.403 148.597 276.997 159.75 309.455L188.061 391.528C191.921 402.824 208.079 402.824 211.939 391.528L240.25 309.455C251.403 276.997 276.997 251.403 309.455 240.25L391.528 211.939C402.824 208.079 402.824 191.921 391.528 188.061ZM295.728 206.077L254.692 220.232C238.391 225.809 225.666 238.677 220.089 254.835L205.934 295.871C203.932 301.591 195.925 301.591 193.923 295.871L179.768 254.835C174.191 238.534 161.323 225.809 145.165 220.232L104.129 206.077C98.4093 204.075 98.4093 196.068 104.129 194.066L145.165 179.911C161.466 174.334 174.191 161.466 179.768 145.308L193.923 104.272C195.925 98.5523 203.932 98.5523 205.934 104.272L220.089 145.308C225.666 161.609 238.534 174.334 254.692 179.911L295.728 194.066C301.448 196.068 301.448 204.075 295.728 206.077Z" />
212	</svg></span>',
213	)
214	);
215	}
216
217	/**
218	* Enqueue Agents Manager scripts and add inline script data.
219	*/
220	public function enqueue_scripts() {
221	// Early return for P2 frontend - don't add admin bar or enqueue scripts.
222	$stylesheet = get_stylesheet();
223	$is_p2 = str_contains( $stylesheet, 'pub/p2' ) \|\| function_exists( '\WPForTeams\is_wpforteams_site' ) && \WPForTeams\is_wpforteams_site( get_current_blog_id() );
224
225	if ( ! is_admin() && $is_p2 ) {
226	return;
227	}
228
229	// Determine which variant to load (null = don't load).
230	$variant = self::get_active_variant();
231	if ( null === $variant ) {
232	return;
233	}
234	$use_disconnected = str_contains( $variant, 'disconnected' );
235	$is_gutenberg = $this->is_block_editor();
236
237	// In Gutenberg, dequeue Help Center so we don't end up with two buttons — but only
238	// in the full unified experience, where Agents Manager takes over the Help Center.
239	// In block-editor-only mode (e.g. ?flags=unified-big-sky) Agents Manager replaces
240	// Big Sky's native UI and Help Center should remain available.
241	// Agents Manager fires at priority 101, after Help Center at 100, so HC is already enqueued.
242	if ( $is_gutenberg && self::is_unified_experience() ) {
243	wp_dequeue_script( 'help-center' );
244	wp_dequeue_style( 'help-center-style' );
245	}
246
247	// For non-Gutenberg, non-CIAB environments, add to the admin bar. The fullscreen Gutenberg
248	// editor has no admin bar, so JS handles UI insertion — except under the omnibar, which is
249	// handled below. CIAB hides the admin bar and uses its own Site Hub.
250	$is_ciab = $this->is_ciab_environment();
251	if ( ! $is_gutenberg && ! $is_ciab ) {
252	add_action(
253	'admin_bar_menu',
254	function ( $wp_admin_bar ) use ( $use_disconnected ) {
255	$this->add_help_menu( $wp_admin_bar, $use_disconnected );
256	},
257	// Add the agents manager icon to the admin bar after the help center is added, so we can remove it.
258	100
259	);
260
261	// Initialize the agents manager menu panel (only for full variants, not disconnected)
262	if ( ! $use_disconnected ) {
263	add_action( 'admin_bar_menu', array( $this, 'add_menu_panel' ), 100 );
264	}
265
266	// Standalone AI chat button, shown only in the unified experience.
267	if ( ! $use_disconnected && self::is_unified_experience() ) {
268	add_action( 'admin_bar_menu', array( $this, 'add_ai_chat_button' ), 100 );
269	}
270	}
271
272	// When Gutenberg's "admin bar in editor" (omnibar) experiment is active, add the entry
273	// points to that editor admin bar. CIAB is excluded — it has its own Site Hub UI.
274	// Mirroring wp-admin: the Help "?" dropdown shows only in the full unified experience;
275	// the Ask AI button shows whenever Agents Manager is enabled in this editor.
276	if ( ! $is_ciab && ! $use_disconnected && self::is_admin_bar_in_editor() ) {
277	// Help "?" node + dropdown panel first, matching the wp-admin admin bar order.
278	if ( self::is_unified_experience() ) {
279	add_action(
280	'admin_bar_menu',
281	function ( $wp_admin_bar ) {
282	$this->add_help_menu( $wp_admin_bar, false );
283	},
284	100
285	);
286	add_action( 'admin_bar_menu', array( $this, 'add_menu_panel' ), 100 );
287	}
288
289	// Ask AI button — shown whenever Agents Manager is enabled in this editor context.
290	if ( self::is_enabled() ) {
291	add_action( 'admin_bar_menu', array( $this, 'add_ai_chat_button' ), 100 );
292	}
293	}
294
295	/**
296	* Filter to register agent provider modules for the Agents Manager.
297	*
298	* Plugins can hook into this filter to register script module IDs that export
299	* toolProvider and/or contextProvider. The Agents Manager JS will dynamically
300	* import these modules and merge their providers.
301	*
302	* @param array $providers Array of provider script module IDs.
303	*/
304	$agent_providers = apply_filters( 'agents_manager_agent_providers', array() );
305
306	$use_unified_experience = self::is_unified_experience();
307
308	/**
309	* Filter the default agent ID for the Agents Manager.
310	*
311	* Allows host applications (e.g., CIAB, WooCommerce AI) to specify a custom
312	* workflow agent instead of the default orchestrator. The value is passed to
313	* the frontend as `agentsManagerData.agentId` and consumed by `useAgentConfig()`.
314	*
315	* @param string\|null $agent_id The agent ID to use, or null for default behavior.
316	*/
317	$agent_id = apply_filters( 'agents_manager_agent_id', null );
318
319	$this->enqueue_script( $variant );
320
321	$inline_data = array(
322	'agentProviders' => $agent_providers,
323	'useUnifiedExperience' => $use_unified_experience,
324	'isDevMode' => self::is_dev_mode(),
325	'sectionName' => apply_filters( 'agents_manager_section_name', $variant ),
326	'currentUser' => $this->get_current_user_data(),
327	'site' => $this->get_current_site(),
328	'helpCenterUrl' => self::HELP_CENTER_URL,
329	);
330
331	if ( $agent_id ) {
332	$inline_data['agentId'] = $agent_id;
333	}
334
335	/**
336	* Filter the data exposed to the Agents Manager frontend.
337	*
338	* @param array $inline_data Data encoded into `agentsManagerData`.
339	*/
340	$filtered = apply_filters( 'jetpack_ai_sidebar_agents_manager_data', $inline_data );
341	$inline_data = is_array( $filtered ) ? $filtered : $inline_data;
342
343	wp_add_inline_script(
344	'agents-manager',
345	'const agentsManagerData = ' . wp_json_encode(
346	$inline_data,
347	JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP
348	) . ';',
349	'before'
350	);
351	}
352
353	/**
354	* The script variant active for this request, or null if none.
355	*
356	* Single source of truth for "is the Agents Manager app loaded on this
357	* request?". Used both to enqueue the app and to gate the server-side
358	* sidebar pre-render, so the pre-rendered shell can never appear on a page
359	* where the app won't mount to reconcile it.
360	*
361	* @return string\|null The variant name, or null if scripts should not be loaded.
362	*/
363	public static function get_active_variant() {
364	/**
365	* Filter the script variant the Agents Manager loads for this request.
366	*
367	* @since 0.1.0
368	*
369	* @param string\|null $variant The resolved variant, or null to not load.
370	*/
371	return apply_filters( 'agents_manager_variant', self::get_variant() );
372	}
373
374	/**
375	* Determine which script variant to load, or null if none should be loaded.
376	*
377	* Combines the gating logic (should we load at all?) with variant selection
378	* (which build to use?) into a single method so the two cannot get out of sync.
379	*
380	* @return string\|null The variant name, or null if scripts should not be loaded.
381	*/
382	private static function get_variant() {
383	// CIAB: Load either the connected or disconnected variants if enabled.
384	if ( self::is_ciab_environment() && self::is_enabled() ) {
385	return self::is_jetpack_disconnected() ? 'ciab-disconnected' : 'ciab';
386	}
387
388	// Frontend: load disconnected variant for eligible logged-in editors.
389	if ( ! is_admin() ) {
390	if ( self::is_loading_on_frontend() && self::is_enabled() ) {
391	return 'wp-admin-disconnected';
392	}
393	return null;
394	}
395
396	// Apply wp-admin exclusions (WooCommerce, customizer, preview contexts).
397	if ( ! self::passes_admin_checks() ) {
398	return null;
399	}
400
401	if ( ! self::is_enabled() ) {
402	return null;
403	}
404
405	$disconnected = self::is_jetpack_disconnected();
406
407	if ( self::is_block_editor() ) {
408	return $disconnected ? 'gutenberg-disconnected' : 'gutenberg';
409	}
410
411	return $disconnected ? 'wp-admin-disconnected' : 'wp-admin';
412	}
413
414	/**
415	* Whether the unified experience — the Help Center takeover — is active.
416	*
417	* "Unified" here means Agents Manager takes over the Help Center, unifying Odie and
418	* Dolly (the orchestrator) into a single chat experience. This is distinct from
419	* block-editor-only enablement, which replaces Big Sky's native UI without taking
420	* over the Help Center.
421	*
422	* @return bool
423	*/
424	public static function is_unified_experience() {
425	/**
426	* Filter to determine if the user should see the unified chat experience.
427	*
428	* When true, Help Center will render UnifiedAIAgent instead of traditional UI.
429	* The filter is hooked by should_use_unified_experience() in this class.
430	*
431	* @param bool $use_unified_experience Whether to use unified experience. Default false.
432	*/
433	return (bool) apply_filters( 'agents_manager_use_unified_experience', false );
434	}
435
436	/**
437	* Returns true if the Agents Manager should be loaded in the current context.
438	*
439	* @return bool
440	*/
441	public static function is_enabled() {
442	// CIAB: Agents Manager is the default AI experience — enabled unless explicitly
443	// disabled via filter (e.g. for debugging or gradual rollout).
444	if ( self::is_ciab_environment() ) {
445	/**
446	* Filter whether Agents Manager is enabled in CIAB (Next Admin) environments.
447	*
448	* @param bool $enabled Whether Agents Manager should load. Default true.
449	*/
450	return apply_filters( 'agents_manager_enabled_in_ciab', true );
451	}
452
453	// Full unified experience: Agents Manager with support guides, Help Center takeover, etc.
454	if ( self::is_unified_experience() ) {
455	return true;
456	}
457
458	// Block editor only: Agents Manager replaces Big Sky's native UI. Hooked by Big Sky.
459	if ( self::is_block_editor() && apply_filters( 'agents_manager_enabled_in_block_editor', false ) ) {
460	return true;
461	}
462
463	return false;
464	}
465
466	/**
467	* Returns true if the current wp-admin context passes all exclusion checks.
468	*
469	* Excludes WooCommerce Admin home, customizer preview, Gutenberg asset requests,
470	* and preview query param contexts.
471	*
472	* @return bool
473	*/
474	private static function passes_admin_checks() {
475	// Don't load on WooCommerce Admin home page to avoid UI conflicts.
476	global $current_screen;
477	if ( $current_screen && $current_screen->id === 'woocommerce_page_wc-admin' ) {
478	return false;
479	}
480
481	// Don't load in customizer preview iframe.
482	if ( is_customize_preview() ) {
483	return false;
484	}
485
486	// Don't load during Gutenberg asset requests or preview contexts.
487	$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
488	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a context check, not a form submission.
489	$is_preview = isset( $_GET['preview'] ) && 'true' === sanitize_text_field( wp_unslash( $_GET['preview'] ) );
490	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a context check, not a form submission.
491	$is_preview_overlay = isset( $_GET['preview_overlay'] );
492	if ( str_contains( $request_uri, 'wp-content/plugins/gutenberg-core' ) \|\| $is_preview \|\| $is_preview_overlay ) {
493	return false;
494	}
495
496	return true;
497	}
498
499	/**
500	* Enqueue Agents Manager script based on context.
501	*
502	* @param string $variant The variant of the asset file to get.
503	*/
504	private function enqueue_script( $variant ) {
505	$cache_key = 'agents-manager-asset-' . $variant . '.asset.json';
506	$asset_file = get_transient( $cache_key );
507
508	if ( ! $asset_file ) {
509	$asset_file = self::get_assets_json( 'widgets.wp.com/agents-manager/agents-manager-' . $variant . '.asset.json' );
510	if ( ! $asset_file ) {
511	return;
512	}
513	set_transient( $cache_key, $asset_file, HOUR_IN_SECONDS );
514	}
515
516	// When the request is dev mode, use a random cache buster as the version for easier debugging.
517	$version = self::is_dev_mode() ? wp_rand() : $asset_file['version'];
518
519	$script_dependencies = $asset_file['dependencies'] ?? array();
520
521	// Load translations for connected variants from widgets.wp.com.
522	// Disconnected variants have no translatable UI, so skip them (as Help
523	// Center does). English needs no translation file.
524	if ( ! str_contains( $variant, 'disconnected' ) ) {
525	$locale = self::determine_iso_639_locale();
526
527	if ( 'en' !== $locale ) {
528	wp_enqueue_script(
529	'agents-manager-translations',
530	'https://widgets.wp.com/agents-manager/languages/' . $locale . '-v1.js',
531	array( 'wp-i18n' ),
532	$version,
533	true
534	);
535
536	$script_dependencies[] = 'agents-manager-translations';
537	}
538	}
539
540	wp_enqueue_script(
541	'agents-manager',
542	'https://widgets.wp.com/agents-manager/agents-manager-' . $variant . '.min.js',
543	$script_dependencies,
544	$version,
545	/**
546	* Filter the strategy to use when enqueuing the script.
547	*
548	* @param array\|bool $args The arguments to pass to wp_enqueue_script. Default is true.
549	* @param string $handle The handle of the script.
550	*/
551	apply_filters( 'agents_manager_enqueue_script_strategy', true, 'agents-manager' )
552	);
553
554	if ( 'gutenberg-disconnected' !== $variant && 'ciab-disconnected' !== $variant ) {
555	wp_enqueue_style(
556	'agents-manager-style',
557	'https://widgets.wp.com/agents-manager/agents-manager-' . $variant . ( is_rtl() ? '.rtl.css' : '.css' ),
558	array(),
559	$version
560	);
561	}
562	}
563
564	/**
565	* Returns the ISO 639 conforming locale string for the current user.
566	*
567	* Normalizes the WordPress user locale to match the widgets.wp.com translation
568	* file naming at languages/{code}-v1.js. Preserves the region for the few locales
569	* where it is meaningful (pt-br, zh-tw, zh-cn); strips the region for all others;
570	* falls back to 'en' when the locale is empty.
571	*
572	* @return string The ISO 639 locale string, e.g. "en".
573	*/
574	private static function determine_iso_639_locale() {
575	$language = get_user_locale();
576	$language = strtolower( $language );
577
578	if ( in_array( $language, array( 'pt_br', 'pt-br', 'zh_tw', 'zh-tw', 'zh_cn', 'zh-cn' ), true ) ) {
579	$language = str_replace( '_', '-', $language );
580	} else {
581	$language = preg_replace( '/([-_].*)$/i', '', $language );
582	}
583
584	if ( empty( $language ) ) {
585	return 'en';
586	}
587
588	return $language;
589	}
590
591	/**
592	* Get the asset via file-system on wpcom and via network on Atomic sites.
593	*
594	* @param string $filepath The URL to download the asset file from.
595	* @return array\|null The asset file data or null on failure.
596	*/
597	private static function get_assets_json( $filepath ) {
598	$accessible_directly = file_exists( ABSPATH . $filepath );
599
600	if ( $accessible_directly ) {
601	$file_contents = file_get_contents( ABSPATH . $filepath );
602
603	if ( false === $file_contents ) {
604	return null;
605	}
606
607	return json_decode( $file_contents, true );
608	}
609
610	$request = wp_remote_get( 'https://' . $filepath );
611
612	if ( is_wp_error( $request ) ) {
613	return null;
614	}
615
616	$response_code = wp_remote_retrieve_response_code( $request );
617	if ( 200 !== $response_code ) {
618	return null;
619	}
620
621	$content_type = wp_remote_retrieve_header( $request, 'content-type' );
622	if ( is_string( $content_type ) && false === strpos( $content_type, 'json' ) ) {
623	return null;
624	}
625
626	$body = wp_remote_retrieve_body( $request );
627	if ( '' === $body ) {
628	return null;
629	}
630
631	$decoded = json_decode( $body, true );
632	if ( json_last_error() !== JSON_ERROR_NONE ) {
633	return null;
634	}
635
636	return $decoded;
637	}
638
639	/**
640	* Update the calypso preferences.
641	*
642	* @param \stdClass $preferences The preferences.
643	*
644	* @return \stdClass The preferences.
645	*/
646	public function calypso_preferences_update( $preferences ) {
647	// Check if agents_manager_router_history exists and is a valid array structure
648	if ( ! isset( $preferences->agents_manager_router_history ) \|\|
649	! is_array( $preferences->agents_manager_router_history ) ) {
650	return $preferences;
651	}
652
653	$router_history = $preferences->agents_manager_router_history;
654
655	// Check if entries exist and is an array
656	if ( ! isset( $router_history['entries'] ) \|\|
657	! is_array( $router_history['entries'] ) ) {
658	return $preferences;
659	}
660
661	$entries = $router_history['entries'];
662
663	// Limit entries to 50 to prevent spamming entries in the router history.
664	if ( count( $entries ) > 50 ) {
665	// Keep only the last 49 entries and add the root entry at the beginning.
666	$entries = array_slice( $entries, -49 );
667	// Keep the start at root so the back button always works.
668	array_unshift(
669	$entries,
670	array(
671	'pathname' => '/',
672	'search' => '',
673	'hash' => '',
674	'key' => 'default',
675	'state' => null,
676	)
677	);
678
679	// Update the preferences object directly
680	$preferences->agents_manager_router_history['entries'] = $entries;
681	$preferences->agents_manager_router_history['index'] = 49;
682	}
683
684	return $preferences;
685	}
686
687	/**
688	* Creates instance.
689	*
690	* @return Agents_Manager
691	*/
692	public static function init() {
693	if ( did_action( 'jetpack_agents_manager_initialized' ) ) {
694	return self::get_instance();
695	}
696
697	self::$instance = new self();
698
699	/**
700	* Fires once the Agents Manager class has been instantiated.
701	*
702	* @since 0.5.0
703	*/
704	do_action( 'jetpack_agents_manager_initialized' );
705
706	return self::$instance;
707	}
708
709	/**
710	* Returns the instance of the Agents Manager class.
711	*
712	* @return Agents_Manager
713	*/
714	public static function get_instance() {
715	return self::$instance;
716	}
717
718	/**
719	* Returns whether the current request is coming from the A8C proxy.
720	*
721	* @return bool
722	*/
723	private static function is_proxied() {
724	// On Simple sites, use the wpcom function if available.
725	if ( function_exists( 'wpcom_is_proxied_request' ) ) {
726	return wpcom_is_proxied_request();
727	}
728
729	// On WoA/Garden sites, check server variable or constant.
730	return isset( $_SERVER['A8C_PROXIED_REQUEST'] )
731	? (bool) sanitize_text_field( wp_unslash( $_SERVER['A8C_PROXIED_REQUEST'] ) )
732	: Constants::is_true( 'A8C_PROXIED_REQUEST' );
733	}
734
735	/**
736	* Enables "Development" features that should be accessible only for admins.
737	*/
738	private static function is_dev_mode() {
739	// Known local environments.
740	$domain = wp_parse_url( get_site_url(), PHP_URL_HOST );
741	if (
742	$domain === 'localhost' \|\|
743	'.jurassic.tube' === stristr( $domain, '.jurassic.tube' ) \|\|
744	'.jurassic.ninja' === stristr( $domain, '.jurassic.ninja' )
745	) {
746	return true;
747	}
748
749	// A8C development.
750	if ( self::is_proxied() ) {
751	return true;
752	}
753
754	if ( Constants::is_true( 'AT_PROXIED_REQUEST' ) && Constants::is_defined( 'ATOMIC_CLIENT_ID' ) ) {
755	switch ( Constants::get_constant( 'ATOMIC_CLIENT_ID' ) ) {
756	case 1:
757	case 2:
758	case 3: // Pressable
759	case 32:
760	case 118: // Commerce garden client (ciab)
761	return true;
762	}
763	}
764
765	return false;
766	}
767
768	/**
769	* Register the Agents Manager endpoints.
770	*/
771	public function register_rest_api() {
772	( new WP_REST_Agents_Manager_Persisted_Open_State() )->register_rest_route();
773	( new WP_REST_Jetpack_AI_JWT() )->register_rest_route();
774	}
775
776	/**
777	* Determine if user should see unified experience.
778	*
779	* @param bool $use_unified_experience Whether to use unified experience.
780	* @return bool
781	*/
782	public function should_use_unified_experience( $use_unified_experience = false ) {
783	// Early return for non-proxied/dev mode requests.
784	// This feature is currently only available to Automattic employees testing via proxy.
785	if ( ! self::is_dev_mode() ) {
786	return false;
787	}
788
789	$user_id = get_current_user_id();
790
791	if ( ! $user_id ) {
792	return false;
793	}
794
795	$is_simple_site = ( new \Automattic\Jetpack\Status\Host() )->is_wpcom_simple();
796	if ( $is_simple_site ) {
797	// On Simple sites, evaluate locally.
798	// Check Automattician and opt-in setting.
799	$is_automattician = function_exists( '\is_automattician' ) && \is_automattician( $user_id );
800	if ( $is_automattician && $this->has_unified_chat_opt_in_enabled( $user_id ) ) {
801	return true;
802	}
803	}
804
805	// On WoA and Garden sites, delegate to wpcom via the /agents-manager/state endpoint.
806	// This avoids duplicating rollout logic and handles cases where
807	// wpcom-specific functions (like get_user_attribute) aren't available.
808	if ( $this->fetch_unified_experience_preference() ) {
809	return true;
810	}
811
812	// Default to false, for now.
813	// In the future: users with a big sky site (similar to https://github.a8c.com/Automattic/wpcom/pull/196449/files), a big-sky free trial or a paid plan.
814	return $use_unified_experience;
815	}
816
817	/**
818	* Check if user has enabled unified chat opt-in in their Automattician options.
819	*
820	* This checks the unified_ai_chat calypso preference set via the wpcom profile settings.
821	* Only used on Simple sites where get_user_attribute is available.
822	*
823	* @param int $user_id User ID.
824	*
825	* @return bool
826	*/
827	private function has_unified_chat_opt_in_enabled( $user_id ) {
828	if ( ! function_exists( '\get_user_attribute' ) ) {
829	return false;
830	}
831
832	$calypso_prefs = \get_user_attribute( $user_id, 'calypso_preferences' );
833	return ! empty( $calypso_prefs['unified_ai_chat'] );
834	}
835
836	/**
837	* Fetch unified experience preference from wpcom via Jetpack Connection.
838	*
839	* Used on Atomic sites to delegate the decision to wpcom, which has
840	* access to user attributes and can evaluate the rollout logic.
841	*
842	* Calls /agents-manager/state endpoint which is accessible via Jetpack user tokens.
843	*
844	* @return bool Whether user should see unified experience.
845	*/
846	private function fetch_unified_experience_preference() {
847	$user_id = get_current_user_id();
848	if ( ! $user_id ) {
849	return false;
850	}
851
852	// Check transient cache first (per-user cache).
853	$cache_key = 'unified-experience-' . $user_id;
854	$cached_result = get_transient( $cache_key );
855	if ( false !== $cached_result ) {
856	return (bool) $cached_result;
857	}
858
859	// Check if user is connected before making API call.
860	if ( ! ( new Connection_Manager() )->is_user_connected( $user_id ) ) {
861	return false;
862	}
863
864	// Call dedicated agents-manager/state endpoint.
865	$wpcom_request = \Automattic\Jetpack\Connection\Client::wpcom_json_api_request_as_user(
866	'/agents-manager/state?key=unified_ai_chat',
867	'2',
868	array( 'method' => 'GET' )
869	);
870
871	if ( is_wp_error( $wpcom_request ) ) {
872	// Cache failures too to avoid hammering the API.
873	set_transient( $cache_key, 0, MINUTE_IN_SECONDS );
874	return false;
875	}
876
877	$response_code = wp_remote_retrieve_response_code( $wpcom_request );
878	if ( 200 !== $response_code ) {
879	set_transient( $cache_key, 0, MINUTE_IN_SECONDS );
880	return false;
881	}
882
883	$body = wp_remote_retrieve_body( $wpcom_request );
884	$decoded_body = json_decode( $body, true );
885
886	// The response is { "unified_ai_chat": true/false } when using key param.
887	$result = is_array( $decoded_body ) && ! empty( $decoded_body['unified_ai_chat'] );
888
889	// Cache for 1 minute.
890	set_transient( $cache_key, $result ? 1 : 0, MINUTE_IN_SECONDS );
891
892	return $result;
893	}
894
895	/**
896	* Returns true if the current request is on the frontend and the user can edit posts.
897	*
898	* Mirrors Help_Center::is_loading_on_frontend().
899	*
900	* @return bool True if loading on the frontend for an eligible user.
901	*/
902	private static function is_loading_on_frontend() {
903	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a context check, not a form submission.
904	if ( isset( $_GET['na_site_preview'] ) \|\| isset( $_GET['preview_overlay'] ) ) {
905	return false;
906	}
907
908	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a context check, not a form submission.
909	if ( isset( $_GET['preview'] ) && 'true' === sanitize_text_field( wp_unslash( $_GET['preview'] ) ) ) {
910	return false;
911	}
912
913	$can_edit_posts = current_user_can( 'edit_posts' ) && is_user_member_of_blog();
914	return ! is_admin() && ! self::is_block_editor() && $can_edit_posts;
915	}
916
917	/**
918	* Returns true if the current screen is the block editor.
919	*
920	* @return bool True if the current screen is the block editor.
921	*/
922	private static function is_block_editor() {
923	if ( ! function_exists( 'get_current_screen' ) ) {
924	return false;
925	}
926
927	$current_screen = get_current_screen();
928	// The widgets screen has the block editor but no Gutenberg top bar.
929	return $current_screen && $current_screen->is_block_editor() && $current_screen->id !== 'widgets';
930	}
931
932	/**
933	* Returns true when Gutenberg's "admin bar in editor" (omnibar) experiment is active.
934	*
935	* Mirrors Gutenberg core's gate in `lib/experimental/admin-bar-in-editor/load.php`, and fails
936	* safe when `gutenberg_is_experiment_enabled()` is unavailable.
937	*
938	* @return bool
939	*/
940	private static function is_admin_bar_in_editor() {
941	return self::is_block_editor()
942	&& is_admin_bar_showing()
943	&& function_exists( 'gutenberg_is_experiment_enabled' )
944	// @phan-suppress-next-line PhanUndeclaredFunction -- Guarded by function_exists() above.
945	&& \gutenberg_is_experiment_enabled( 'gutenberg-admin-bar-in-editor' );
946	}
947
948	/**
949	* Check if current environment is CIAB (Commerce in a Box) / Next Admin.
950	*
951	* Uses the same detection method as Help Center: checks if next_admin_init has fired.
952	*
953	* @return bool True if CIAB/Next Admin environment.
954	*/
955	private static function is_ciab_environment() {
956	return (bool) did_action( 'next_admin_init' );
957	}
958
959	/**
960	* Returns true if the current user is NOT connected through Jetpack.
961	*
962	* Mirrors the logic from Help_Center::is_jetpack_disconnected().
963	*
964	* @return bool True if the site uses Jetpack but the current user is not connected.
965	*/
966	private static function is_jetpack_disconnected() {
967	$user_id = get_current_user_id();
968	$blog_id = get_current_blog_id();
969
970	if ( defined( 'IS_ATOMIC' ) && IS_ATOMIC ) {
971	return ! ( new Connection_Manager( 'jetpack' ) )->is_user_connected( $user_id );
972	}
973
974	if ( true === apply_filters( 'is_jetpack_site', false, $blog_id ) ) {
975	return ! ( new Connection_Manager( 'jetpack' ) )->is_user_connected( $user_id );
976	}
977
978	return false;
979	}
980
981	/**
982	* Get current user data for the agents manager.
983	*
984	* Mirrors the user data structure from Help Center's helpCenterData.
985	*
986	* @return array\|null User data array or null if not logged in.
987	*/
988	private function get_current_user_data() {
989	$user_id = get_current_user_id();
990	if ( ! $user_id ) {
991	return null;
992	}
993
994	$user_data = get_userdata( $user_id );
995	if ( ! $user_data ) {
996	return null;
997	}
998
999	$user_email = $user_data->user_email;
1000
1001	// Use wpcom_get_avatar_url on Simple sites, fall back to get_avatar_url elsewhere.
1002	if ( function_exists( 'wpcom_get_avatar_url' ) ) {
1003	$avatar_url = wpcom_get_avatar_url( $user_email, 64, '', true )[0];
1004	} else {
1005	$avatar_url = get_avatar_url( $user_id );
1006	}
1007
1008	return array(
1009	'ID' => $user_id,
1010	'username' => $user_data->user_login,
1011	'display_name' => $user_data->display_name,
1012	'avatar_URL' => $avatar_url,
1013	'email' => $user_email,
1014	);
1015	}
1016
1017	/**
1018	* Get current site data for the agents manager.
1019	*
1020	* Returns minimal site data needed by AgentsManager (ID and domain only).
1021	* Uses jetpack_options['id'] on Atomic sites for the wpcom blog ID.
1022	*
1023	* @return array Site data with ID and domain.
1024	*/
1025	private function get_current_site() {
1026	/*
1027	* Atomic sites have the WP.com blog ID stored as a Jetpack option.
1028	* This code deliberately doesn't use `Jetpack_Options::get_option`
1029	* so it works even when Jetpack has not been loaded.
1030	*/
1031	$jetpack_options = get_option( 'jetpack_options' );
1032	if ( is_array( $jetpack_options ) && isset( $jetpack_options['id'] ) ) {
1033	$site_id = (int) $jetpack_options['id'];
1034	} else {
1035	$site_id = get_current_blog_id();
1036	}
1037
1038	return array(
1039	'ID' => $site_id,
1040	'domain' => wp_parse_url( home_url(), PHP_URL_HOST ),
1041	);
1042	}
1043	}
1044