<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM – Open Source CRM application.
 * Copyright (C) 2014-2026 EspoCRM, Inc.
 * Website: https://www.espocrm.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Tools\DynamicLogic\CascadingFields;

use Espo\Core\Utils\Metadata;

class ItemsProvider
{
    public function __construct(
        private Metadata $metadata,
    ) {}

    /**
     * @return Item[]
     */
    public function get(string $entityType, string $field): array
    {
        /** @var array<string, mixed>[] $rawItems */
        $rawItems = $this->metadata->get("logicDefs.$entityType.cascadingFields.$field.items") ?? [];

        $items = [];

        foreach ($rawItems as $raw) {
            $localField = $raw['localField'] ?? null;
            $foreignField = $raw['foreignField'] ?? null;
            $matchRequired = $raw['matchRequired'] ?? false;

            if (!$localField || !$foreignField) {
                continue;
            }

            $items[] = new Item(
                localField: $localField,
                foreignField: $foreignField,
                matchRequired: $matchRequired,
            );
        }

        return $items;
    }
}