<?php
/**
 * For the full copyright and license information, please view the
 * docs/licenses/LICENSE.txt file that was distributed with this source code.
 */

namespace PrestaShop\PrestaShop\Adapter\OrderMessage\CommandHandler;

use OrderMessage;
use PrestaShop\PrestaShop\Core\CommandBus\Attributes\AsCommandHandler;
use PrestaShop\PrestaShop\Core\Domain\OrderMessage\Command\AddOrderMessageCommand;
use PrestaShop\PrestaShop\Core\Domain\OrderMessage\CommandHandler\AddOrderMessageHandlerInterface;
use PrestaShop\PrestaShop\Core\Domain\OrderMessage\Exception\OrderMessageException;
use PrestaShop\PrestaShop\Core\Domain\OrderMessage\Exception\OrderMessageNameAlreadyUsedException;
use PrestaShop\PrestaShop\Core\Domain\OrderMessage\ValueObject\OrderMessageId;
use PrestaShopException;

/**
 * Handles adding new order message using legacy object model
 *
 * @internal
 */
#[AsCommandHandler]
final class AddOrderMessageHandler implements AddOrderMessageHandlerInterface
{
    /**
     * @param AddOrderMessageCommand $command
     *
     * @return OrderMessageId
     */
    public function handle(AddOrderMessageCommand $command): OrderMessageId
    {
        $this->assertNameIsNotAlreadyUsed($command);

        $orderMessage = new OrderMessage();

        $orderMessage->name = $command->getLocalizedName();
        $orderMessage->message = $command->getLocalizedMessage();

        try {
            $orderMessage->validateFields();
            $orderMessage->validateFieldsLang();
        } catch (PrestaShopException $e) {
            throw new OrderMessageException('Order message contains invalid fields', 0, $e);
        }

        try {
            if (false === $orderMessage->add()) {
                throw new OrderMessageException('Failed to add order message');
            }
        } catch (PrestaShopException $e) {
            throw new OrderMessageException('Failed to add order message', 0, $e);
        }

        return new OrderMessageId((int) $orderMessage->id);
    }

    private function assertNameIsNotAlreadyUsed(AddOrderMessageCommand $command): void
    {
        foreach ($command->getLocalizedName() as $langId => $langName) {
            $orderMessages = OrderMessage::getOrderMessages($langId);
            if (!is_array($orderMessages)) {
                continue;
            }
            foreach ($orderMessages as $orderMessage) {
                if ($orderMessage['name'] === $langName) {
                    throw new OrderMessageNameAlreadyUsedException(
                        $langName,
                        $langId,
                        'An order message already exists for this name'
                    );
                }
            }
        }
    }
}
