<?php

declare(strict_types=1);

namespace SimpleSAML\Error;

/**
 * Exception which will show a 400 Bad Request error page.
 *
 * This exception can be thrown from within an module page handler. The user will then be
 * shown a 400 Bad Request error page.
 *
 * @package SimpleSAMLphp
 */

class BadRequest extends Error
{
    /**
     * Create a new BadRequest error.
     *
     * @param string $reason  Description of why the request was unacceptable.
     */
    public function __construct(
        protected string $reason,
    ) {
        parent::__construct([ErrorCodes::BADREQUEST, '%REASON%' => $reason], null, 400);
    }


    /**
     * Retrieve the reason why the request was invalid.
     *
     * @return string  The reason why the request was invalid.
     */
    public function getReason(): string
    {
        return $this->reason;
    }
}