<?php
/**
 * SEPA file generator.
 *
 * @copyright © Digitick <www.digitick.net> 2012-2013
 * @copyright © Blage <www.blage.net> 2013
 * @license GNU Lesser General Public License v3.0
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Lesser Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

namespace Digitick\Sepa\TransferFile;

use Digitick\Sepa\Exception\InvalidTransferFileConfiguration;
use Digitick\Sepa\Exception\InvalidTransferTypeException;
use Digitick\Sepa\PaymentInformation;
use Digitick\Sepa\TransferInformation\CustomerDirectDebitTransferInformation;

class CustomerDirectDebitTransferFile extends BaseTransferFile
{
    public function addPaymentInformation(PaymentInformation $paymentInformation): void
    {
        $paymentInformation->setValidPaymentMethods(['DD']);
        $paymentInformation->setPaymentMethod('DD');
        parent::addPaymentInformation($paymentInformation);
    }

    /**
     * Validate the transferfile
     *
     * @throws InvalidTransferFileConfiguration
     * @throws InvalidTransferTypeException
     */
    public function validate(): void
    {
        parent::validate();

        foreach ($this->paymentInformations as $payment) {
            if ((string)$payment->getSequenceType() === '') {
                throw new InvalidTransferFileConfiguration('Payment must contain a SequenceType');
            }
            if ((string)$payment->getCreditorId() === '') {
                throw new InvalidTransferFileConfiguration('Payment must contain a CreditorSchemeId');
            }
            foreach ($payment->getTransfers() as $transfer) {
                if (!$transfer instanceof CustomerDirectDebitTransferInformation) {
                    throw new InvalidTransferTypeException(sprintf(
                        'Transfers must be of type %s instead of: %s',
                        CustomerDirectDebitTransferInformation::class,
                        get_class($transfer)
                    ));
                }
            }
        }
    }
}
