<?php

namespace bff\validation\rules;

use bff\validation\Rule;

/**
 * Minimum rule
 * @copyright Tamaranga
 */
class Min extends Rule
{
    /**
     * @var int
     */
    protected $min;

    protected function defaults($params)
    {
        if (is_numeric($params)) {
            $params = ['min' => $params];
        } elseif (is_array($params)) {
            $first = reset($params);
            if (is_numeric($first) && is_int(key($params))) {
                $params['min'] = $first;
            }
        }
        return $params;
    }

    /**
     * @param int $min
     * @return bool
     */
    protected function setMin($min): bool
    {
        if (! is_numeric($min) || intval($min) < 0) {
            return false;
        }

        $this->min = $this->replace['min'] = intval($min);

        return true;
    }

    /**
     * @param int $min
     * @return static
     */
    public function min($min)
    {
        $this->setMin($min);

        return $this;
    }

    public function check(&$value)
    {
        $number = $this->toNumber($value);
        if ($number === false) {
            return false;
        }

        return $number >= $this->min;
    }

    /**
     * Default message
     * @return string
     */
    public function defaultMessage(): string
    {
        return _t('error', 'The [attribute] must be [min] or more');
    }
}