<?php

namespace bff\validation\rules;

use bff;
use bff\validation\Rule;

/**
 * Email rule
 * @copyright Tamaranga
 */
class Email extends Rule
{
    protected $format = true;

    protected function setFormat($format = false): bool
    {
        $this->format = ! empty($format);

        return true;
    }

    /**
     * Enable format
     * @param bool $format
     * @return static
     */
    public function format($format)
    {
        $this->setFormat($format);

        return $this;
    }

    public function check(&$value)
    {
        if ($this->format) {
            $value = bff::input()->formatEmail($value);
        }

        return filter_var($value, FILTER_VALIDATE_EMAIL) !== false;
    }

    /**
     * Default message
     * @return string
     */
    public function defaultMessage(): string
    {
        return _t('error', 'The [attribute] is not valid email');
    }
}