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<?php
/**
 * Admin class.
 *
 * @package woodmart
 */

namespace XTS\Modules\Waitlist;

use WP_User_Query;
use XTS\Singleton;
use XTS\Modules\Waitlist\DB_Storage;
use XTS\Modules\Waitlist\List_Table\Waitlist_Table;
use XTS\Modules\Waitlist\List_Table\Users_Table;

/**
 * Admin class.
 */
class Admin extends Singleton {
	/**
	 * DB_Storage instance.
	 *
	 * @var DB_Storage
	 */
	protected $db_storage;

/**
	 * Constructor.
	 */
	public function init() {
		$this->db_storage = DB_Storage::get_instance();

$this->include_files();

add_action( 'init', array( $this, 'delete_waitlist' ) );

add_action( 'admin_menu', array( $this, 'register_waitlist_page' ) );

add_filter( 'set-screen-option', array( $this, 'set_screen_option' ), 10, 3 );

add_action( 'wp_ajax_woodmart_waitlist_json_search_users', array( $this, 'woodmart_json_search_users' ) );
	}

/**
	 * Include main files.
	 */
	private function include_files() {
		if ( ! class_exists( 'WP_List_Table' ) ) {
			require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
		}

$files = array(
			'class-waitlist-table',
			'class-users-table',
		);

foreach ( $files as $file ) {
			$file_path = WOODMART_THEMEROOT . '/inc/integrations/woocommerce/modules/waitlist/list-tables/' . $file . '.php';

if ( file_exists( $file_path ) ) {
				require_once $file_path;
			}
		}
	}

/**
	 * Register waitlist page on admin panel.
	 *
	 * @return void
	 */
	public function register_waitlist_page() {
		global $wd_waitlist_page;

$wd_waitlist_page = add_submenu_page(
			'edit.php?post_type=product',
			esc_html__( 'Waitlists', 'woodmart' ),
			esc_html__( 'Waitlists', 'woodmart' ),
			apply_filters( 'woodmart_capability_menu_page', 'edit_products', 'xts-waitlist-page' ),
			'xts-waitlist-page',
			array( $this, 'render_waitlist_page' )
		);

add_action( 'load-' . $wd_waitlist_page, array( $this, 'waitlist_screen_options' ) );
	}

/**
	 * Render waitlist page on admin panel.
	 *
	 * @codeCoverageIgnore
	 */
	public function render_waitlist_page() {
		$list_table = new Waitlist_Table();

if ( ! empty( $_GET['tab'] ) && 'users' === $_GET['tab'] ) {
			$list_table = new Users_Table();
		}

if ( $list_table instanceof Waitlist_Table ) {
			wp_enqueue_style( 'woocommerce_admin_styles' );
			wp_enqueue_style( 'wd-page-wtl', WOODMART_ASSETS . '/css/parts/page-wtl.min.css', array(), WOODMART_VERSION );
		}

$list_table->prepare_items();
		?>
			<div class="wrap xts-wtl-page-wrap">
				<h2 class="wp-heading-inline"><?php echo esc_html__( 'Waitlists', 'woodmart' ); ?></h2>

<form id="xts-waitlist-settings-page-form" method="get" action="">
					<input type="hidden" name="page" value="xts-waitlist-page" />
					<input type="hidden" name="post_type" value="product" />
					<?php
					if ( $list_table instanceof Waitlist_Table ) {
						$list_table->search_box( esc_html__( 'Search', 'woodmart' ), 'xts-search' );
					}

$list_table->display();
					?>
				</form>
			</div>
		<?php
	}

/**
	 * Add screen options to waitlist admin page.
	 */
	public function waitlist_screen_options() {
		global $wd_waitlist_page;

$screen = get_current_screen();

if ( ! is_object( $screen ) || $screen->id !== $wd_waitlist_page ) {
			return;
		}

add_screen_option(
			'per_page',
			array(
				'label'   => esc_html__( 'Number of items per page', 'woodmart' ),
				'default' => 20,
				'option'  => 'waitlist_per_page',
			)
		);
	}

/**
	 * Save screen options.
	 *
	 * @param mixed  $screen_option The value to save instead of the option value.
	 *                              Default false (to skip saving the current option).
	 * @param string $option        The option name.
	 * @param int    $value         The option value.
	 */
	public function set_screen_option( $screen_option, $option, $value ) {
		if ( 'waitlist_per_page' === $option ) {
			return $value;
		}

return $screen_option;
	}

public function delete_waitlist() {
		if ( ! isset( $_GET['action'] ) || 'woodmart_delete_waitlist' !== $_GET['action'] ||  ! isset( $_GET['token'] ) ||  ! isset( $_GET['product_id'] ) ) { //phpcs:ignore
			return;
		}

$token = woodmart_clean( $_GET['token'] ); //phpcs:ignore.

$this->db_storage->unsubscribe_by_token( $token );

wp_safe_redirect(
			add_query_arg(
				array(
					'page'       => 'xts-waitlist-page',
					'tab'        => 'users',
					'product_id' => $_GET['product_id'],
				),
				admin_url( 'edit.php?post_type=product' )
			)
		);
		die();
	}

public function woodmart_json_search_users( $term = '' ) {
		check_ajax_referer( 'search-users', 'security' );

if ( empty( $term ) && isset( $_GET['term'] ) ) {
			$term = (string) wc_clean( wp_unslash( $_GET['term'] ) ); // phpcs:ignore.
		}

if ( empty( $term ) ) {
			wp_die();
		}

$users_found = array();

$users = new WP_User_Query(
			array(
				'search'         => '*' . esc_attr( $term ) . '*',
				'search_columns' => array(
					'user_login',
					'user_nicename',
					'user_email',
					'user_url',
				),
			)
		);

$users_objects = $users->get_results();

foreach ( $users_objects as $user ) {
			$users_found[ $user->get( 'ID' ) ] = $user->get( 'user_login' );
		}

wp_send_json( apply_filters( 'woodmart_json_search_found_users', $users_found ) );
	}
}

Admin::get_instance();