<?php

namespace Fisharebest\Localization\PluralRule;

/**
 * Class PluralRule10 - Select a plural form for a specified number.
 * Families:
 * Slavic (Slovenian, Sorbian)
 * nplurals=4; plural=(n%100==1 ? 1 : n%100==2 ? 2 : n%100==3 || n%100==4 ? 3 : 0);
 *
 * @author    Greg Roach <fisharebest@gmail.com>
 * @copyright (c) 2019 Greg Roach
 * @license   GPLv3+
 */
class PluralRule10 implements PluralRuleInterface
{
    public function plurals()
    {
        return 4;
    }

    public function plural($number)
    {
        $number = abs($number);

        if ($number % 100 === 1) {
            return 0;
        }

        if ($number % 100 === 2) {
            return 1;
        }

        if ($number % 100 === 3 || $number % 100 === 4) {
            return 2;
        }

        return 3;
    }
}
