<?php

declare(strict_types=1);

namespace Intervention\Validation;

use ReflectionClass;

use Closure;

use Illuminate\Contracts\Validation\ValidationRule;

abstract class AbstractRule implements Rule, ValidationRule

{

/**

* {@inheritdoc}

*

* @see Rule::isValid()

*/

abstract public function isValid(mixed $value): bool;

/**

* {@inheritdoc}

*

* @see ValidationRule::validate()

*/

public function validate(string $attribute, mixed $value, Closure $fail): void

{

if (!$this->isValid($value)) {

$fail($this->message())->translate();

}

}

/**

* Return shortname of current rule.

*/

protected function shortname(): string

{

return strtolower((new ReflectionClass($this))->getShortName());

}

/**

* Return localized error message.

*/

public function message(): string

{

// try key for application custom translation

$key = 'validation.' . $this->shortname();

if (function_exists('trans')) {

// if message is same as key, there is no

// translation so we will use internal

$message = trans($key);

if ($message === $key) {

return trans('validation::' . $key);

}

}

return $key;

}

}