ists', 'jetpack-my-jetpack' ),
			__( 'Adaptive tone adjustment', 'jetpack-my-jetpack' ),
			__( 'Superior spelling and grammar correction', 'jetpack-my-jetpack' ),
			__( 'Title & summary generation', 'jetpack-my-jetpack' ),
			__( 'Priority support', 'jetpack-my-jetpack' ),
			/* translators: %d is the number of requests. */
			sprintf( __( 'Up to %d requests per month', 'jetpack-my-jetpack' ), $tier ),
		);

		return $is_tier_plan ? $tiered_features : $features;
	}

	/**
	 * Get the internationalized features list
	 *
	 * @return array Jetpack AI features list
	 */
	public static function get_features() {
		$next_tier = self::get_next_usage_tier();

		return self::get_features_by_usage_tier( $next_tier );
	}

	/**
	 * Get the product pricing details by tier
	 *
	 * @param int|null $tier The usage tier.
	 * @return array Pricing details
	 */
	public static function get_pricing_for_ui_by_usage_tier( $tier ) {
		if ( $tier === null ) {
			return array();
		}

		$product = Wpcom_Products::get_product( static::get_wpcom_product_slug() );

		if ( empty( $product ) ) {
			return array();
		}

		$tier_plans_enabled = self::are_tier_plans_enabled();

		/*
		 * when tiers are enabled and the price tier list is empty,
		 * we may need to renew the cache for the product data so
		 * we get the new price tier list.
		 *
		 * if the list is still empty after the fresh data, we will
		 * default to empty pricing (by returning an empty array).
		 */
		if ( empty( $product->price_tier_list ) && $tier_plans_enabled ) {
			$product = Wpcom_Products::get_product( static::get_wpcom_product_slug(), true );
		}

		// get the base pricing for the unlimited plan, for compatibility
		$base_pricing = Wpcom_Products::get_product_pricing( static::get_wpcom_product_slug() );

		$price_tier_list = $product->price_tier_list;
		$yearly_prices   = array();

		foreach ( $price_tier_list as $price_tier ) {
			if ( isset( $price_tier->maximum_units ) && isset( $price_tier->maximum_price ) ) {
					// The prices are in cents
					$yearly_prices[ $price_tier->maximum_units ] = $price_tier->maximum_price / 100;
			}
		}

		// add the base pricing to the list
		$prices = array( 1 => $base_pricing );

		foreach ( $yearly_prices as $units => $price ) {
			$prices[ $units ] = array_merge(
				$base_pricing,
				array(
					'full_price'            => $price,
					'discount_price'        => $price,
					'is_introductory_offer' => false,
					'introductory_offer'    => null,
				)
			);
		}

		return isset( $prices[ $tier ] ) ? $prices[ $tier ] : array();
	}

	/**
	 * Get the product pricing details
	 *
	 * @return array Pricing details
	 */
	public static function get_pricing_for_ui() {
		// no tiers
		if ( ! self::are_tier_plans_enabled() ) {
			return array_merge(
				array(
					'available'          => true,
					'wpcom_product_slug' => static::get_wpcom_product_slug(),
				),
				// hardcoding 1 as next tier if tiers are not enabled
				self::get_pricing_for_ui_by_usage_tier( 1 )
			);
		}

		$next_tier              = self::get_next_usage_tier();
		$current_tier           = self::get_current_usage_tier();
		$current_call_to_action = $current_tier === 0
			? __( 'Continue for free', 'jetpack-my-jetpack' )
			: __( 'I\'m fine with my plan, thanks', 'jetpack-my-jetpack' );
		$next_call_to_action    = $next_tier === null
			? __( 'Contact Us', 'jetpack-my-jetpack' )
			: __( 'Upgrade', 'jetpack-my-jetpack' );

		return array(
			'tiers' => array(
				self::CURRENT_TIER_SLUG  => array_merge(
					self::get_pricing_for_ui_by_usage_tier( $current_tier ),
					array(
						'available'      => true,
						'is_free'        => true,
						'call_to_action' => $current_call_to_action,
					)
				),
				self::UPGRADED_TIER_SLUG => array_merge(
					self::get_pricing_for_ui_by_usage_tier( $next_tier ),
					array(
						'wpcom_product_slug' => static::get_wpcom_product_slug(),
						'quantity'           => $next_tier,
						'call_to_action'     => $next_call_to_action,
					)
				),
			),
		);
	}

	/**
	 * Get the WPCOM product slug used to make the purchase
	 *
	 * @return string
	 */
	public static function get_wpcom_product_slug() {
		return 'jetpack_ai_yearly';
	}

	/**
	 * Get the WPCOM monthly product slug used to make the purchase
	 *
	 * @return string
	 */
	public static function get_wpcom_monthly_product_slug() {
		return 'jetpack_ai_monthly';
	}

	/**
	 * Get the WPCOM bi-yearly product slug used to make the purchase
	 *
	 * @return string
	 */
	public static function get_wpcom_bi_yearly_product_slug() {
		return 'jetpack_ai_bi_yearly';
	}

	/**
	 * Get the product-slugs of the paid plans for this product.
	 * (Do not include bundle plans, unless it's a bundle plan itself).
	 *
	 * @return array
	 */
	public static function get_paid_plan_product_slugs() {
		return array(
			'jetpack_ai_yearly',
			'jetpack_ai_monthly',
			'jetpack_ai_bi_yearly',
		);
	}

	/**
	 * Checks whether the product can be upgraded to a different product.
	 *
	 * @return boolean
	 */
	public static function is_upgradable() {
		$has_ai_feature     = static::does_site_have_feature( 'ai-assistant' );
		$tier_plans_enabled = self::are_tier_plans_enabled();
		$current_tier       = self::get_current_usage_tier();

		if ( $has_ai_feature && ! $tier_plans_enabled && $current_tier >= 1 ) {
			return false;
		}

		$next_tier = self::get_next_usage_tier();

		// The check below is debatable, not having the feature should not flag as not upgradable.
		// If user is free (tier = 0), not unlimited (tier = 1) and has a next tier, then it's upgradable.
		if ( $current_tier !== null && $current_tier !== 1 && $next_tier ) {
			return true;
		}

		// Mark as not upgradable if user is on unlimited tier or does not have any plan.
		if ( ! $has_ai_feature || null === $current_tier || 1 === $current_tier ) {
			return false;
		}

		return true;
	}

	/**
	 * Get the URL the user is taken after purchasing the product through the checkout
	 *
	 * @return ?string
	 */
	public static function get_post_checkout_url() {
		return self::get_manage_url();
	}

	/**
	 * Get the URL the user is taken after activating the product through the checkout
	 *
	 * @return ?string
	 */
	public static function get_post_activation_url() {
		return self::get_manage_url();
	}

	/**
	 * Get the URL where the user manages the product
	 *
	 * @return ?string
	 */
	public static function get_manage_url() {
		return admin_url( 'admin.php?page=my-jetpack#/jetpack-ai' );
	}

	/**
	 * Checks whether the plugin is installed
	 *
	 * @return boolean
	 */
	public static function is_plugin_installed() {
		return self::is_jetpack_plugin_installed();
	}

	/**
	 * Checks whether the plugin is active
	 *
	 * @return boolean
	 */
	public static function is_plugin_active() {
		return (bool) static::is_jetpack_plugin_active();
	}

	/**
	 * Get data about the AI Assistant feature
	 *
	 * @return array
	 */
	public static function get_ai_assistant_feature() {
		// Bail early if the plugin is not active.
		if ( ! self::is_jetpack_plugin_installed() ) {
			return array();
		}

		// Check if the global constant is defined.
		if ( ! defined( 'JETPACK__PLUGIN_DIR' ) ) {
			return array();
		}

		// Bail early if the site is not connected.
		if ( ! self::is_site_connected() ) {
			return array();
		}

		// Check if class exists. If not, try to require it once.
		if ( ! class_exists( 'Jetpack_AI_Helper' ) ) {
			$class_file_path = JETPACK__PLUGIN_DIR . '_inc/lib/class-jetpack-ai-helper.php';

			// Check whether the file exists
			if ( ! file_exists( $class_file_path ) ) {
				return array();
			}

			require_once $class_file_path;
		}

		return \Jetpack_AI_Helper::get_ai_assistance_feature();
	}

	/**
	 * Get the AI Assistant tiered plans status
	 *
	 * @return boolean
	 */
	public static function are_tier_plans_enabled() {
		$info = self::get_ai_assistant_feature();
		if ( is_wp_error( $info ) ) {
			// this is another faulty default value, we'll assume disabled while
			// production is enabled
			return false;
		}

		if ( ! empty( $info ) && isset( $info['tier-plans-enabled'] ) ) {
			return boolval( $info['tier-plans-enabled'] );
		}
		return false;
	}

	/**
	 * Checks whether the site is connected to WordPress.com.
	 *
	 * @return boolean
	 */
	private static function is_site_connected() {
		return ( new Connection_Manager() )->is_connected();
	}

	/**
	 * Get the URL where the user manages the product
	 *
	 * NOTE: this method is the only thing that resembles an initialization for the product.
	 *
	 * @return void
	 */
	public static function extend_plugin_action_links() {
		add_action( 'myjetpack_enqueue_scripts', array( static::class, 'admin_enqueue_scripts' ) );
		add_filter( 'default_content', array( static::class, 'add_ai_block' ), 10, 2 );
	}

	/**
	 * Enqueue the AI Assistant script
	 *
	 * The script is just a global variable used for the nonce, needed for the create post link.
	 *
	 * @return void
	 */
	public static function admin_enqueue_scripts() {
		wp_register_script(
			'my_jetpack_ai_app',
			false,
			array(),
			Initializer::PACKAGE_VERSION,
			array( 'in_footer' => true )
		);
		wp_localize_script(
			'my_jetpack_ai_app',
			'jetpackAi',
			array(
				'nonce' => wp_create_nonce( 'ai-assistant-content-nonce' ),
			)
		);
		wp_enqueue_script( 'my_jetpack_ai_app' );
	}

	/**
	 * Add AI block to the post content
	 *
	 * Used only from the link on the product page, the filter will insert an AI Assistant block in the post content.
	 *
	 * @param string  $content The post content.
	 * @param WP_Post $post The post object.
	 * @return string
	 */
	public static function add_ai_block( $content, $post ) {
		if ( isset( $_GET['use_ai_block'] ) && isset( $_GET['_wpnonce'] )
			&& wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'ai-assistant-content-nonce' )
			&& ! empty( $post )
			&& ! is_wp_error( $post )
			&& current_user_can( 'edit_post', $post->ID )
			&& '' === $content
		) {
			return '<!-- wp:jetpack/ai-assistant /-->';
		}
		return $content;
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'Automattic\Jetpack\My_Jetpack\Products\Jetpack_Ai' not found in /var/www/html/cronicasdorock.com.br/web/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-products.php:421
Stack trace:
#0 /var/www/html/cronicasdorock.com.br/web/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-initializer.php(87): Automattic\Jetpack\My_Jetpack\Products::extend_plugins_action_links()
#1 /var/www/html/cronicasdorock.com.br/web/wp-content/plugins/jetpack/class.jetpack.php(860): Automattic\Jetpack\My_Jetpack\Initializer::init()
#2 /var/www/html/cronicasdorock.com.br/web/wp-includes/class-wp-hook.php(324): Jetpack-&gt;late_initialization('')
#3 /var/www/html/cronicasdorock.com.br/web/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#4 /var/www/html/cronicasdorock.com.br/web/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#5 /var/www/html/cronicasdorock.com.br/web/wp-settings.php(559): do_action('plugins_loaded')
#6 /var in <b>/var/www/html/cronicasdorock.com.br/web/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-products.php</b> on line <b>421</b><br />