<?php

/**
 * @copyright © Melograno Ventures. All rights reserved.
 * @licence   See LICENCE.md for license details.
 */

namespace AmeliaBooking\Application\Commands\CustomField;

use AmeliaBooking\Application\Commands\CommandHandler;
use AmeliaBooking\Application\Commands\CommandResult;
use AmeliaBooking\Application\Common\Exceptions\AccessDeniedException;
use AmeliaBooking\Domain\Collection\AbstractCollection;
use AmeliaBooking\Domain\Entity\Entities;
use AmeliaBooking\Infrastructure\Repository\CustomField\CustomFieldRepository;

/**
 * Class GetCustomFieldsCommandHandler
 *
 * @package AmeliaBooking\Application\Commands\CustomField
 */
class GetCustomFieldsCommandHandler extends CommandHandler
{
    /**
     * @return CommandResult
     * @throws \Slim\Exception\ContainerValueNotFoundException
     * @throws AccessDeniedException
     * @throws \AmeliaBooking\Infrastructure\Common\Exceptions\QueryExecutionException
     */
    public function handle(GetCustomFieldsCommand $command)
    {
        if (!$command->getPermissionService()->currentUserCanRead(Entities::CUSTOM_FIELDS)) {
            throw new AccessDeniedException('You are not allowed to read custom fields.');
        }

        $result = new CommandResult();

        /** @var CustomFieldRepository $customFieldRepository */
        $customFieldRepository = $this->container->get('domain.customField.repository');

        $customFields = $customFieldRepository->getAll();

        if (!$customFields instanceof AbstractCollection) {
            $result->setResult(CommandResult::RESULT_ERROR);
            $result->setMessage('Could not get custom fields.');

            return $result;
        }

        $customFieldsArray = $customFields->toArray();

        $customFieldsArray = apply_filters('amelia_get_cfs_filter', $customFieldsArray);

        do_action('amelia_get_cfs', $customFieldsArray);

        $result->setResult(CommandResult::RESULT_SUCCESS);
        $result->setMessage('Successfully retrieved custom fields.');
        // TODO: Redesign - change filteredCount when customer custom fields are added
        $result->setData(
            [
            'customFields' => $customFieldsArray,
            'totalCount' => count($customFieldsArray),
            'filteredCount' => count($customFieldsArray)
            ]
        );

        return $result;
    }
}