<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2023 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
 * Website: https://www.espocrm.com
 *
 * EspoCRM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * EspoCRM 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 General Public License
 * along with EspoCRM. If not, see http://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 General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Tools\WorkingTime\Util;

use Espo\Entities\WorkingTimeCalendar;
use Espo\Entities\WorkingTimeRange;
use Espo\Tools\WorkingTime\Calendar\WorkingDate;

class CalendarUtil
{
    private WorkingTimeCalendar $workingTimeCalendar;

    public function __construct(WorkingTimeCalendar $workingTimeCalendar)
    {
        $this->workingTimeCalendar = $workingTimeCalendar;
    }

    /**
     * @param WorkingTimeRange $range
     * @return WorkingDate[]
     */
    public function rangeToDates(WorkingTimeRange $range): array
    {
        $isWorking = $range->getType() === WorkingTimeRange::TYPE_WORKING;

        $list = [];

        $pointer = $range->getDateStart();
        $endPlusOne = $range->getDateEnd()->modify('+1 day');

        $defaultTimeRanges = $this->workingTimeCalendar->getTimeRanges();

        while ($pointer->isLessThan($endPlusOne)) {
            $timeRanges = $isWorking ? $range->getTimeRanges() : [];

            if ($isWorking && $timeRanges === null) {
                $timeRanges = $defaultTimeRanges;
            }

            $list[] = new WorkingDate($pointer, $timeRanges ?? []);

            $pointer = $pointer->modify('+1 day');
        }

        return $list;
    }
}