<?php
namespace um\ajax;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class Pages
 *
 * @package um\ajax
 */
class Pages {

	/**
	 * Pages constructor.
	 */
	public function __construct() {
		add_action( 'wp_ajax_um_get_pages_list', array( $this, 'get_pages_list' ) );
	}

	/**
	 * AJAX callback for getting the pages list
	 */
	public function get_pages_list() {
		UM()->admin()->check_ajax_nonce();

		// we will pass post IDs and titles to this array
		$return = array();

		$pre_result = apply_filters( 'um_admin_settings_get_pages_list', false );

		if ( false === $pre_result ) {
			$query_args = array(
				'post_type'           => 'page',
				'post_status'         => 'publish', // if you don't want drafts to be returned
				'ignore_sticky_posts' => 1,
				'posts_per_page'      => 10, // how much to show at once
				'paged'               => absint( $_GET['page'] ),
				'orderby'             => 'title',
				'order'               => 'asc',
			);

			if ( ! empty( $_GET['search'] ) ) {
				$query_args['s'] = sanitize_text_field( $_GET['search'] ); // the search query
			}

			$search_results = new \WP_Query( $query_args );

			if ( $search_results->have_posts() ) {
				while ( $search_results->have_posts() ) {
					$search_results->the_post();

					// shorten the title a little
					$title    = ( mb_strlen( $search_results->post->post_title ) > 50 ) ? mb_substr( $search_results->post->post_title, 0, 49 ) . '...' : $search_results->post->post_title;
					$title    = sprintf( __( '%s (ID: %s)', 'ultimate-member' ), $title, $search_results->post->ID );
					$return[] = array( $search_results->post->ID, $title ); // array( Post ID, Post Title )
				}
			}

			$return['total_count'] = $search_results->found_posts;
		} else {
			// got already calculated posts array from 3rd-party integrations (e.g. WPML, Polylang)
			$return = $pre_result;
		}

		wp_send_json( $return );
	}
}