<?php

/**

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

 *

 * @package WordPress

 */

/**

 * Renders the `core/archives` block on server.

 *

 * @see WP_Widget_Archives

 *

 * @param array $attributes The block attributes.

 *

 * @return string Returns the post content with archives added.

 */

function render_block_core_archives( $attributes ) {

	$show_post_count = ! empty( $attributes['showPostCounts'] );

	$class = 'wp-block-archives';

	if ( isset( $attributes['align'] ) ) {

		$class .= " align{$attributes['align']}";

	}

	if ( isset( $attributes['className'] ) ) {

		$class .= " {$attributes['className']}";

	}

	if ( ! empty( $attributes['displayAsDropdown'] ) ) {

		$class .= ' wp-block-archives-dropdown';

		$dropdown_id = esc_attr( uniqid( 'wp-block-archives-' ) );

		$title       = __( 'Archives' );

		/** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */

		$dropdown_args = apply_filters(

			'widget_archives_dropdown_args',

			array(

				'type'            => 'monthly',

				'format'          => 'option',

				'show_post_count' => $show_post_count,

			)

		);

		$dropdown_args['echo'] = 0;

		$archives = wp_get_archives( $dropdown_args );

		switch ( $dropdown_args['type'] ) {

			case 'yearly':

				$label = __( 'Select Year' );

				break;

			case 'monthly':

				$label = __( 'Select Month' );

				break;

			case 'daily':

				$label = __( 'Select Day' );

				break;

			case 'weekly':

				$label = __( 'Select Week' );

				break;

			default:

				$label = __( 'Select Post' );

				break;

		}

		$label = esc_attr( $label );

		$block_content = '<label class="screen-reader-text" for="' . $dropdown_id . '">' . $title . '</label>

	<select id="' . $dropdown_id . '" name="archive-dropdown" onchange="document.location.href=this.options[this.selectedIndex].value;">

	<option value="">' . $label . '</option>' . $archives . '</select>';

		$block_content = sprintf(

			'<div class="%1$s">%2$s</div>',

			esc_attr( $class ),

			$block_content

		);

	} else {

		$class .= ' wp-block-archives-list';

		/** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */

		$archives_args = apply_filters(

			'widget_archives_args',

			array(

				'type'            => 'monthly',

				'show_post_count' => $show_post_count,

			)

		);

		$archives_args['echo'] = 0;

		$archives = wp_get_archives( $archives_args );

		$classnames = esc_attr( $class );

		if ( empty( $archives ) ) {

			$block_content = sprintf(

				'<div class="%1$s">%2$s</div>',

				$classnames,

				__( 'No archives to show.' )

			);

		} else {

			$block_content = sprintf(

				'<ul class="%1$s">%2$s</ul>',

				$classnames,

				$archives

			);

		}

	}

	return $block_content;

}

/**

 * Register archives block.

 */

function register_block_core_archives() {

	register_block_type(

		'core/archives',

		array(

			'attributes'      => array(

				'align'             => array(

					'type' => 'string',

				),

				'className'         => array(

					'type' => 'string',

				),

				'displayAsDropdown' => array(

					'type'    => 'boolean',

					'default' => false,

				),

				'showPostCounts'    => array(

					'type'    => 'boolean',

					'default' => false,

				),

			),

			'render_callback' => 'render_block_core_archives',

		)

	);

}

add_action( 'init', 'register_block_core_archives' );