<?php
/**
 * Send order webhooks to Merchant API when WooCommerce order is completed.
 *
 * @package AgenizedChatWidget
 */

namespace AgenizedChatWidget;

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

final class OrderWebhook {
	public static function init(): void {
		if (!Options::get_bool(Options::OPT_ENABLE_ORDER_WEBHOOKS, true)) {
			return;
		}
		add_action('woocommerce_order_status_completed', [self::class, 'on_order_completed'], 10, 2);
	}

	/**
	 * When an order is marked completed, POST to Merchant API /v1/webhooks/order.
	 *
	 * @param int      $order_id WooCommerce order ID.
	 * @param \WC_Order $order    Order object.
	 */
	public static function on_order_completed($order_id, $order): void {
		try {
			if (!$order instanceof \WC_Order) {
				return;
			}
			$channel_id = Options::get_string(Options::OPT_CHANNEL_ID, '');
			$secret     = Options::get_string(Options::OPT_ORDERS_WEBHOOK_SECRET, '');
			$api_base   = Defaults::merchant_api_base_url();
			if ($channel_id === '' || $secret === '') {
				return;
			}
			$api_base = rtrim($api_base, '/');
			$url     = $api_base . '/v1/webhooks/order';
			$email   = $order->get_billing_email();
			if ($email === '') {
				return;
			}
			$payload = [
				'channel_id'     => $channel_id,
				'order_id'       => (string) $order->get_id(),
				'billing_email'  => $email,
				'amount'         => (float) $order->get_total(),
				'currency'       => $order->get_currency(),
				'billing_phone'  => $order->get_billing_phone() ?: null,
				'created_at'     => $order->get_date_created() ? $order->get_date_created()->format('c') : null,
				'metadata'       => [
					'status' => $order->get_status(),
				],
			];
			wp_remote_post($url, [
				'headers' => [
					'Content-Type'       => 'application/json',
					'X-Webhook-Secret'  => $secret,
				],
				'body'    => wp_json_encode($payload),
				'timeout' => 15,
				'blocking' => false,
			]);
		} catch (\Throwable $e) {
			// Never break order flow for a webhook.
		}
	}
}