<?php
namespace Payum\AuthorizeNet\Aim\Action;

use Payum\Core\Action\GatewayAwareAction;
use Payum\Core\ApiAwareInterface;
use Payum\AuthorizeNet\Aim\Bridge\AuthorizeNet\AuthorizeNetAIM;
use Payum\Core\Bridge\Spl\ArrayObject;
use Payum\Core\Exception\LogicException;
use Payum\Core\Exception\UnsupportedApiException;
use Payum\Core\Request\Capture;
use Payum\Core\Request\ObtainCreditCard;
use Payum\Core\Exception\RequestNotSupportedException;
use Payum\Core\Security\SensitiveValue;

class CaptureAction extends GatewayAwareAction implements ApiAwareInterface
{
    /**
     * @var AuthorizeNetAIM
     */
    protected $api;

    /**
     * {@inheritDoc}
     */
    public function setApi($api)
    {
        if (false == $api instanceof AuthorizeNetAIM) {
            throw new UnsupportedApiException('Not supported.');
        }

        $this->api = $api;
    }

    /**
     * {@inheritDoc}
     *
     * @param Capture $request
     */
    public function execute($request)
    {
        RequestNotSupportedException::assertSupports($this, $request);

        $model = ArrayObject::ensureArrayObject($request->getModel());

        if (null != $model['response_code']) {
            return;
        }

        if (false == $model->validateNotEmpty(array('card_num', 'exp_date'), false)) {
            try {
                $obtainCreditCard = new ObtainCreditCard($request->getFirstModel(), $request->getModel());
                $this->gateway->execute($obtainCreditCard);
                $card = $obtainCreditCard->obtain();

                $model['exp_date'] = new SensitiveValue($card->getExpireAt()->format('m/y'));
                $model['card_num'] = new SensitiveValue($card->getNumber());
            } catch (RequestNotSupportedException $e) {
                throw new LogicException('Credit card details has to be set explicitly or there has to be an action that supports ObtainCreditCard request.');
            }
        }

        $api = clone $this->api;
        $api->ignore_not_x_fields = true;
        $api->setFields(array_filter($model->toUnsafeArray()));

        $response = $api->authorizeAndCapture();

        $model->replace(get_object_vars($response));
    }

    /**
     * {@inheritDoc}
     */
    public function supports($request)
    {
        return
            $request instanceof Capture &&
            $request->getModel() instanceof \ArrayAccess
        ;
    }
}