<?php
/**
 * Adverships_Affiliate_Refund
 *
 * Reports WooCommerce refunds to the Adverships refund webhook. Sends the
 * order's CUMULATIVE refunded total (not the delta), which the server applies
 * idempotently — duplicate/out-of-order deliveries are no-ops, and a full
 * refund voids the sale.
 */

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

class Adverships_Affiliate_Refund {

    public function hooks() {
        if (!Adverships_Affiliate_Client::is_connected()) {
            return;
        }
        add_action('woocommerce_order_refunded', array($this, 'on_refund'), 20, 2);
    }

    /**
     * @param int $order_id
     * @param int $refund_id
     */
    public function on_refund($order_id, $refund_id) {
        $order = wc_get_order((int) $order_id);
        if (!$order) {
            return;
        }
        // Only report refunds for orders we attributed (have an affiliate code).
        $t = (string) $order->get_meta('_adverships_t');
        if ($t === '') {
            return;
        }

        $payload = array(
            'site_url'       => home_url(),
            'order_id'       => (string) $order->get_id(),
            'total_refunded' => (float) $order->get_total_refunded(),
            'currency'       => $order->get_currency(),
        );

        Adverships_Affiliate_Client::post_signed('/api/wordpress/refund_webhook.php', $payload, true);
    }
}