<?php
/**
 * Compatibility class for plugin WooCommerce Bulk Stock Management
 * http://www.woothemes.com/products/bulk-stock-management/
 *
 * @author konrad
 */
class WCML_Bulk_Stock_Management {
	public function __construct() {
		if ( is_admin() && isset( $_GET['page'] ) && $_GET['page'] == 'woocommerce-bulk-stock-management' ) {
			global $sitepress;
			remove_action( 'admin_enqueue_scripts', [ $sitepress, 'language_filter' ] );
		}

		add_action( 'wc_bulk_stock_after_process_qty', [ $this, 'wc_bulk_stock_after_process_qty_action' ], 10, 1 );
	}

	public function wc_bulk_stock_after_process_qty_action( $id ) {
		global $sitepress;

		$new_quantity = get_post_meta( $id, '_stock', true );

		if ( is_numeric( $new_quantity ) ) {

						$new_stock_status = ( $new_quantity > 0 ) ? 'instock' : 'outofstock';
						wc_update_product_stock_status( $id, $new_stock_status );

			$trid = $sitepress->get_element_trid( $id, 'post_product' );
			if ( is_numeric( $trid ) ) {
				$translations = $sitepress->get_element_translations( $trid, 'post_product' );

				if ( is_array( $translations ) ) {
					foreach ( $translations as $translation ) {
						if ( ! isset( $translation->element_id ) || $translation->element_id == $id ) {
							continue;
						}
						update_post_meta( $translation->element_id, '_stock', $new_quantity );
												wc_update_product_stock_status( $translation->element_id, $new_stock_status );
					}
				}
			}
		}

	}
}