<?php

namespace AutomateWoo;

defined( 'ABSPATH' ) || exit;

use WC_Order;
use WC_Order_Item_Product;

/**
 * @class Variable_Order_Related_Products
 */
class Variable_Order_Related_Products extends Variable_Abstract_Product_Display {

	/**
	 * Declare limit field support.
	 *
	 * @var boolean
	 */
	public $support_limit_field = true;

	/**
	 * Method to set title, group, description and other admin props
	 */
	public function load_admin_details() {
		parent::load_admin_details();
		$this->description = __( 'Displays a listing of products related to the items in an order.', 'automatewoo' );
	}

	/**
	 * @param WC_Order $order
	 * @param array    $parameters
	 * @param Workflow $workflow
	 * @return mixed
	 */
	public function get_value( $order, $parameters, $workflow ) {

		$related  = [];
		$in_order = [];
		$template = isset( $parameters['template'] ) ? $parameters['template'] : false;
		$limit    = isset( $parameters['limit'] ) ? absint( $parameters['limit'] ) : 8;

		/** @var WC_Order_Item_Product[] $items */
		$items = $order->get_items();

		foreach ( $items as $item ) {
			// Product variations are not considered when getting related products.
			$in_order[] = $item->get_product_id();
			$related    = array_merge( wc_get_related_products( $item->get_product_id(), $limit ), $related );
		}

		$related = array_diff( $related, $in_order );

		if ( empty( $related ) ) {
			return false;
		}

		$query_args = wp_parse_args(
			[
				'include' => $related,
				'limit'   => $limit,
			],
			$this->get_default_product_query_args()
		);

		$products = aw_get_products( $query_args );

		$args = array_merge(
			$this->get_default_product_template_args( $workflow, $parameters ),
			[ 'products' => $products ]
		);

		return $this->get_product_display_html( $template, $args );
	}
}
