<?php

/**

 * Server-side rendering of the `core/query-title` block.

 *

 * @package WordPress

 */

/**

 * Renders the `core/query-title` block on the server.

 * For now it only supports Archive title,

 * using queried object information

 *

 * @since 5.8.0

 *

 * @param array $attributes Block attributes.

 *

 * @return string Returns the query title based on the queried object.

 */

function render_block_core_query_title( $attributes ) {

	$type       = isset( $attributes['type'] ) ? $attributes['type'] : null;

	$is_archive = is_archive();

	$is_search  = is_search();

	if ( ! $type ||

		( 'archive' === $type && ! $is_archive ) ||

		( 'search' === $type && ! $is_search )

		) {

		return '';

	}

	$title = '';

	if ( $is_archive ) {

		$show_prefix = isset( $attributes['showPrefix'] ) ? $attributes['showPrefix'] : true;

		if ( ! $show_prefix ) {

			add_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );

			$title = get_the_archive_title();

			remove_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );

		} else {

			$title = get_the_archive_title();

		}

	}

	if ( $is_search ) {

		$title = __( 'Search results' );

		if ( isset( $attributes['showSearchTerm'] ) && $attributes['showSearchTerm'] ) {

			$title = sprintf(

				/* translators: %s is the search term. */

				__( 'Search results for: "%s"' ),

				get_search_query()

			);

		}

	}

	$tag_name           = isset( $attributes['level'] ) ? 'h' . (int) $attributes['level'] : 'h1';

	$align_class_name   = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";

	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );

	return sprintf(

		'<%1$s %2$s>%3$s</%1$s>',

		$tag_name,

		$wrapper_attributes,

		$title

	);

}

/**

 * Registers the `core/query-title` block on the server.

 *

 * @since 5.8.0

 */

function register_block_core_query_title() {

	register_block_type_from_metadata(

		__DIR__ . '/query-title',

		array(

			'render_callback' => 'render_block_core_query_title',

		)

	);

}

add_action( 'init', 'register_block_core_query_title' );