class API
{
    /**
     * AmazonPay module object
     *
     * @var AmazonPay
     */
    private $module;

    /**
     * Sets `$module` member var with dependency injection.
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @param AmazonPay $module
     * @return void
     */
    public function __construct(AmazonPay $module) {
        $this->module = $module;
    }

    /**
     * Captures and closes an ORO
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @param string $authid
     * @param string $orderid
     * @return array
     */
    public function capturePayments($authid, $orderid) {
        $client = $this->module->getAmazonV1Client();

        $return_obj = [];
        $return_obj['method'] = 'capture';
        if (!$authid) {
            $return_obj['status'] = 'error';
            $return_obj['code'] = __('Authorization ID Does Not Exist', 'wcexaap');
            $return_obj['message'] = __('The Authorization ID used to confirm the order amount did not match any existing Amazon orders.', 'wcexaap');
            return $return_obj;
        }

        $request_parameters = [];
        $request_parameters['amazon_authorization_id'] = $authid;
        $auth_details_res = $client->getAuthorizationDetails($request_parameters);
        if ($client->success) {
            $auth_details = json_decode($auth_details_res->toJson());
            $total_amount = $auth_details->GetAuthorizationDetailsResult->AuthorizationDetails->AuthorizationAmount->Amount;
            $request_parameters = [];
            $request_parameters['amazon_authorization_id'] = $authid;
            $request_parameters['capture_reference_id'] = uniqid();
            $request_parameters['capture_amount'] = $total_amount;

            $capture_res = $client->capture($request_parameters);
            $capture_res_json = json_decode($capture_res->toJson());

            if ($client->success) {
                $request_parameters = [];
                $request_parameters['amazon_order_reference_id'] = $orderid;
                $request_parameters['closure_reason'] = __('Item(s) shipped. Funds captured.', 'wcexaap');
                $close_res = $client->closeOrderReference($request_parameters);
                $return_obj['status'] = 'success';
                $return_obj['message'] = __('Payments were successfully captured.', 'wcexaap');
            } else {
                if ($capture_res_json->Error) {
                    $return_obj['status'] = 'error';
                    $code = $capture_res_json->Error->Code;
                    $return_obj['code'] = $code;
                    if ($code === 'InvalidAuthorizationStatus') {
                        $return_obj['message'] = $capture_res_json->Error->Message . __('Either this order has already been canceled, or payments have already been captured, thus completing the order.', 'wcexaap');
                    } else {
                        $return_obj['message'] = __('An unknown error occured while capturing payments for this order. Either the Authorization ID is incorrect or the order is too old.', 'wcexaap');
                    }
                }
            }
        } else {
            $return_obj['status'] = 'error';
            $return_obj['code'] = 'GetAuthorizationDetails Error';
            $return_obj['message'] = __('Failed getting Auth details. The Authorization ID used to confirm the order amount did not match any existing Amazon orders.', 'wcexaap');
        }
        return $return_obj;
    }

    /**
     * Cancels an ORO
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @param int $orderid
     * @return array
     */
    public function cancelOrder($orderid) {
        $client = $this->module->getAmazonV1Client();
        $return_obj = [];
        $return_obj['method'] = 'cancel';
        $request_parameters = [];
        $request_parameters['amazon_order_reference_id'] = $orderid;
        $res = $client->cancelOrderReference($request_parameters);
        $res_json = json_decode($res->toJson());
        if ($client->success) {
            $return_obj['status'] = 'success';
            $return_obj['message'] = __('Amazon order cancellation successful.', 'wcexaap');
        } elseif ($res_json->Error) {
            $return_obj['status'] = 'error';
            $return_obj['code'] = $res_json->Error->Code;
            $return_obj['message'] = $res_json->Error->Message . __('Either this order has already been canceled, or payments have already been captured, thus completing the order.', 'wcexaap');
        }

        return $return_obj;
    }
}