<?php

/**
* Assert
*
* LICENSE
*
* This source file is subject to the MIT license that is bundled
* with this package in the file LICENSE.txt.
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to kontakt@beberlei.de so I can send you a copy immediately.
*/

namespace Assert;

/**
* AssertionChain factory.
*/
abstract class Assert
{
/** @var string */
protected static $lazyAssertionExceptionClass = LazyAssertionException::class;

/** @var string */
protected static $assertionClass = Assertion::class;

/**
* Start validation on a value, returns {@link AssertionChain}.
*
* The invocation of this method starts an assertion chain
* that is happening on the passed value.
*
* @param mixed $value
* @param string|callable|null $defaultMessage
*
* @example
*
* Assert::that($value)->notEmpty()->integer();
* Assert::that($value)->nullOr()->string()->startsWith("Foo");
*
* The assertion chain can be stateful, that means be careful when you reuse
* it. You should never pass around the chain.
*/
public static function that($value, $defaultMessage = null, ?string $defaultPropertyPath = null): AssertionChain
{
$assertionChain = new AssertionChain($value, $defaultMessage, $defaultPropertyPath);

return $assertionChain->setAssertionClassName(static::$assertionClass);
}

/**
* Start validation on a set of values, returns {@link AssertionChain}.
*
* @param mixed $values
* @param string|callable|null $defaultMessage
*/
public static function thatAll($values, $defaultMessage = null, ?string $defaultPropertyPath = null): AssertionChain
{
return static::that($values, $defaultMessage, $defaultPropertyPath)->all();
}

/**
* Start validation and allow NULL, returns {@link AssertionChain}.
*
* @param mixed $value
* @param string|callable|null $defaultMessage
*/
public static function thatNullOr($value, $defaultMessage = null, ?string $defaultPropertyPath = null): AssertionChain
{
return static::that($value, $defaultMessage, $defaultPropertyPath)->nullOr();
}

/**
* Create a lazy assertion object.
*/
public static function lazy(): LazyAssertion
{
$lazyAssertion = new LazyAssertion();

return $lazyAssertion
->setAssertClass(\get_called_class())
->setExceptionClass(static::$lazyAssertionExceptionClass);
}
}