ributes['posterData']['previewAtTime'],
				'previewLoopDuration' => $block_attributes['posterData']['previewLoopDuration'],
				'autoplay'            => $autoplay,
				'showControls'        => $controls,
			);

			// Create inlione style in case video has a custom poster.
			$inline_style = '';
			if ( $poster ) {
				$inline_style = sprintf(
					'style="background-image: url(%s); background-size: cover; background-position: center center;"',
					esc_attr( $poster )
				);
			}

			// Expose the preview on hover data to the client.
			$preview_on_hover = sprintf(
				'<div class="jetpack-videopress-player__overlay" %s></div><script type="application/json">%s</script>',
				$inline_style,
				wp_json_encode( $preview_on_hover )
			);

			// Set `autoplay` and `muted` attributes to the video element.
			$block_attributes['autoplay'] = true;
			$block_attributes['muted']    = true;
		}

		$figure_template = '
		<figure class="%1$s" style="%2$s" %3$s>
			%4$s
			%5$s
			%6$s
		</figure>
		';

		// VideoPress URL
		$guid           = isset( $block_attributes['guid'] ) ? $block_attributes['guid'] : null;
		$videopress_url = Utils::get_video_press_url( $guid, $block_attributes );

		$video_wrapper         = '';
		$video_wrapper_classes = 'jetpack-videopress-player__wrapper';

		if ( $videopress_url ) {
			$videopress_url = wp_kses_post( $videopress_url );
			$oembed_html    = apply_filters( 'video_embed_html', $wp_embed->shortcode( array(), $videopress_url ) );
			$video_wrapper  = sprintf(
				'<div class="%s">%s %s</div>',
				$video_wrapper_classes,
				$preview_on_hover,
				$oembed_html
			);
		}

		// Get premium content from block context
		$premium_block_plan_id    = isset( $block->context['premium-content/planId'] ) ? intval( $block->context['premium-content/planId'] ) : 0;
		$is_premium_content_child = isset( $block->context['isPremiumContentChild'] ) ? (bool) $block->context['isPremiumContentChild'] : false;
		$maybe_premium_script     = '';
		if ( $is_premium_content_child ) {
			Access_Control::instance()->set_guid_subscription( $guid, $premium_block_plan_id );
			$escaped_guid         = esc_js( $guid );
			$script_content       = "if ( ! window.__guidsToPlanIds ) { window.__guidsToPlanIds = {}; }; window.__guidsToPlanIds['$escaped_guid'] = $premium_block_plan_id;";
			$maybe_premium_script = '<script>' . $script_content . '</script>';
		}

		// $id_attribute, $video_wrapper, $figcaption properly escaped earlier on the code
		return sprintf(
			$figure_template,
			esc_attr( $classes ),
			esc_attr( $style ),
			$id_attribute,
			$video_wrapper,
			$figcaption,
			$maybe_premium_script
		);
	}

	/**
	 * Register the VideoPress block editor block,
	 * AKA "VideoPress Block v6".
	 *
	 * @return void
	 */
	public static function register_videopress_video_block() {
		$videopress_video_metadata_file        = __DIR__ . '/../build/block-editor/blocks/video/block.json';
		$videopress_video_metadata_file_exists = file_exists( $videopress_video_metadata_file );
		if ( ! $videopress_video_metadata_file_exists ) {
			return;
		}

		$videopress_video_metadata = json_decode(
			// phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
			file_get_contents( $videopress_video_metadata_file )
		);

		// Pick the block name straight from the block metadata .json file.
		$videopress_video_block_name = $videopress_video_metadata->name;

		// Is the block already registered?
		$is_block_registered = \WP_Block_Type_Registry::get_instance()->is_registered( $videopress_video_block_name );

		// Do not register if the block is already registered.
		if ( $is_block_registered ) {
			return;
		}

		// Is this a REST API request?
		$is_rest = defined( 'REST_API_REQUEST' ) && REST_API_REQUEST;

		if ( $is_rest ) {
			register_block_type(
				$videopress_video_metadata_file,
				array(
					'render_callback' => array( __CLASS__, 'render_videopress_video_block' ),
				)
			);
			return;
		}

		$registration = register_block_type(
			$videopress_video_metadata_file,
			array(
				'render_callback' => array( __CLASS__, 'render_videopress_video_block' ),
				'uses_context'    => array( 'premium-content/planId', 'isPremiumContentChild', 'selectedPlanId' ),
			)
		);

		// Do not enqueue scripts if the block could not be registered.
		if ( empty( $registration ) || empty( $registration->editor_script_handles ) ) {
			return;
		}

		// Extensions use Connection_Initial_State::render_script with script handle as parameter.
		if ( is_array( $registration->editor_script_handles ) ) {
			$script_handle = $registration->editor_script_handles[0];
		} else {
			$script_handle = $registration->editor_script_handles;
		}

		// Register and enqueue scripts used by the VideoPress video block.
		Block_Editor_Extensions::init( $script_handle );
	}

	/**
	 * Enqueue the VideoPress Iframe API script
	 * when the URL of oEmbed HTML is a VideoPress URL.
	 *
	 * @param string|false $cache   The cached HTML result, stored in post meta.
	 * @param string       $url     The attempted embed URL.
	 * @param array        $attr    An array of shortcode attributes.
	 * @param int          $post_ID Post ID.
	 *
	 * @return string|false
	 */
	public static function enqueue_videopress_iframe_api_script( $cache, $url, $attr, $post_ID ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		if ( Utils::is_videopress_url( $url ) ) {
			// Enqueue the VideoPress IFrame API in the front-end.
			wp_enqueue_script(
				self::JETPACK_VIDEOPRESS_IFRAME_API_HANDLER,
				'https://s0.wp.com/wp-content/plugins/video/assets/js/videojs/videopress-iframe-api.js',
				array(),
				gmdate( 'YW' ),
				false
			);
		}

		return $cache;
	}
}