<?php
/**
 * Handles the Webhook CHECKOUT.ORDER.COMPLETED
 *
 * @package WooCommerce\PayPalCommerce\Webhooks\Handler
 */

declare(strict_types=1);

namespace WooCommerce\PayPalCommerce\Webhooks\Handler;

use Psr\Log\LoggerInterface;
use WooCommerce\PayPalCommerce\WcGateway\Gateway\PayUponInvoice\PayUponInvoiceGateway;
use WP_REST_Request;
use WP_REST_Response;

/**
 * Class CheckoutOrderCompleted
 */
class CheckoutOrderCompleted implements RequestHandler {

	use PrefixTrait, RequestHandlerTrait;

	/**
	 * The logger.
	 *
	 * @var LoggerInterface
	 */
	private $logger;

	/**
	 * CheckoutOrderCompleted constructor.
	 *
	 * @param LoggerInterface $logger The logger.
	 * @param string          $prefix The prefix.
	 */
	public function __construct( LoggerInterface $logger, string $prefix ) {
		$this->logger = $logger;
		$this->prefix = $prefix;
	}

	/**
	 * The event types a handler handles.
	 *
	 * @return string[]
	 */
	public function event_types(): array {
		return array(
			'CHECKOUT.ORDER.COMPLETED',
		);
	}

	/**
	 * Whether a handler is responsible for a given request or not.
	 *
	 * @param WP_REST_Request $request The request.
	 *
	 * @return bool
	 */
	public function responsible_for_request( WP_REST_Request $request ): bool {
		return in_array( $request['event_type'], $this->event_types(), true );
	}

	/**
	 * Responsible for handling the request.
	 *
	 * @param WP_REST_Request $request The request.
	 *
	 * @return WP_REST_Response
	 */
	public function handle_request( WP_REST_Request $request ): WP_REST_Response {
		$response = array( 'success' => false );

		$custom_ids = $this->get_custom_ids_from_request( $request );
		if ( empty( $custom_ids ) ) {
			return $this->no_custom_ids_from_request( $request, $response );
		}

		$wc_orders = $this->get_wc_orders_from_custom_ids( $custom_ids );
		if ( ! $wc_orders ) {
			return $this->no_wc_orders_from_custom_ids( $request, $response );
		}

		foreach ( $wc_orders as $wc_order ) {
			if ( PayUponInvoiceGateway::ID === $wc_order->get_payment_method() ) {
				continue;
			}
			if ( ! in_array( $wc_order->get_status(), array( 'pending', 'on-hold' ), true ) ) {
				continue;
			}

			$wc_order->payment_complete();

			$this->logger->info(
				sprintf(
					// translators: %s is the order ID.
					__(
						'Order %s has been updated through PayPal',
						'woocommerce-paypal-payments'
					),
					(string) $wc_order->get_id()
				)
			);
		}

		$response['success'] = true;
		return new WP_REST_Response( $response );
	}
}