<?php

/**

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

 *

 * @package WordPress

 */

/**

 * Renders the `query-total` block on the server.

 *

 * @since 6.8.0

 *

 * @global WP_Query $wp_query WordPress Query object.

 *

 * @param array    $attributes Block attributes.

 * @param string   $content    Block default content.

 * @param WP_Block $block      Block instance.

 *

 * @return string The rendered block content.

 */

function render_block_core_query_total( $attributes, $content, $block ) {

	global $wp_query;

	$wrapper_attributes = get_block_wrapper_attributes();

	if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {

		$query_to_use = $wp_query;

		$current_page = max( 1, (int) get_query_var( 'paged', 1 ) );

	} else {

		$page_key     = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';

		$current_page = isset( $_GET[ $page_key ] ) ? (int) $_GET[ $page_key ] : 1;

		$query_to_use = new WP_Query( build_query_vars_from_query_block( $block, $current_page ) );

	}

	$max_rows       = $query_to_use->found_posts;

	$posts_per_page = (int) $query_to_use->get( 'posts_per_page' );

	// Calculate the range of posts being displayed.

	$start = ( 0 === $max_rows ) ? 0 : ( ( $current_page - 1 ) * $posts_per_page + 1 );

	$end   = min( $start + $posts_per_page - 1, $max_rows );

	// Prepare the display based on the `displayType` attribute.

	$output = '';

	switch ( $attributes['displayType'] ) {

		case 'range-display':

			if ( $start === $end ) {

				$output = sprintf(

					/* translators: 1: Start index of posts, 2: Total number of posts */

					__( 'Displaying %1$s of %2$s' ),

					$start,

					$max_rows

				);

			} else {

				$output = sprintf(

					/* translators: 1: Start index of posts, 2: End index of posts, 3: Total number of posts */

					__( 'Displaying %1$s – %2$s of %3$s' ),

					$start,

					$end,

					$max_rows

				);

			}

			break;

		case 'total-results':

		default:

			// translators: %d: number of results.

			$output = sprintf( _n( '%d result found', '%d results found', $max_rows ), $max_rows );

			break;

	}

	return sprintf(

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

		$wrapper_attributes,

		$output

	);

}

/**

 * Registers the `query-total` block.

 *

 * @since 6.8.0

 */

function register_block_core_query_total() {

	register_block_type_from_metadata(

		__DIR__ . '/query-total',

		array(

			'render_callback' => 'render_block_core_query_total',

		)

	);

}

add_action( 'init', 'register_block_core_query_total' );