<?php

declare(strict_types=1);

namespace App\Services\WorkingDays\Utils;

use App\Services\WorkingDays\WorkingDayDeterminerInterface;

/**
 * Determines if a given date is a working day -- on multiple working day determiners.
 */
class MultipleWorkingDayDeterminer implements WorkingDayDeterminerInterface
{
    /**
     * @param array<int, WorkingDayDeterminerInterface> $workingDayDeterminers
     */
    public function __construct(
        protected readonly array $workingDayDeterminers,
    ) {
    }

    public function isWorkingDay(\DateTimeImmutable $date): bool
    {
        foreach ($this->workingDayDeterminers as $workingDayDeterminer) {
            if (!$workingDayDeterminer->isWorkingDay($date)) {
                return false;
            }
        }
        return true; // All working day determiners returned true, so the date is a working day.
    }

    public function getWorkingDaysCount(\DateTimeImmutable $startDate, int $workingDays): int
    {
        $workingDaysCount = $workingDays;

        foreach ($this->workingDayDeterminers as $workingDayDeterminer) {
            $workingDaysCount = min($workingDaysCount, $workingDayDeterminer->getWorkingDaysCount($startDate, $workingDays));
        }

        return $workingDaysCount;
    }
}