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<?php

/**
 * @see       https://github.com/laminas/laminas-diactoros for the canonical source repository
 * @copyright https://github.com/laminas/laminas-diactoros/blob/master/COPYRIGHT.md
 * @license   https://github.com/laminas/laminas-diactoros/blob/master/LICENSE.md New BSD License
 */

declare(strict_types=1);

namespace Laminas\Diactoros\Response;

use Laminas\Diactoros\Exception;
use Laminas\Diactoros\Response;
use Laminas\Diactoros\Stream;
use Psr\Http\Message\StreamInterface;

use function get_class;
use function gettype;
use function is_object;
use function is_string;
use function sprintf;

/**
 * Plain text response.
 *
 * Allows creating a response by passing a string to the constructor;
 * by default, sets a status code of 200 and sets the Content-Type header to
 * text/plain.
 */
class TextResponse extends Response
{
    use InjectContentTypeTrait;

/**
     * Create a plain text response.
     *
     * Produces a text response with a Content-Type of text/plain and a default
     * status of 200.
     *
     * @param string|StreamInterface $text String or stream for the message body.
     * @param int $status Integer status code for the response; 200 by default.
     * @param array $headers Array of headers to use at initialization.
     * @throws Exception\InvalidArgumentException if $text is neither a string or stream.
     */
    public function __construct($text, int $status = 200, array $headers = [])
    {
        parent::__construct(
            $this->createBody($text),
            $status,
            $this->injectContentType('text/plain; charset=utf-8', $headers)
        );
    }

/**
     * Create the message body.
     *
     * @param string|StreamInterface $text
     * @throws Exception\InvalidArgumentException if $text is neither a string or stream.
     */
    private function createBody($text) : StreamInterface
    {
        if ($text instanceof StreamInterface) {
            return $text;
        }

if (! is_string($text)) {
            throw new Exception\InvalidArgumentException(sprintf(
                'Invalid content (%s) provided to %s',
                (is_object($text) ? get_class($text) : gettype($text)),
                __CLASS__
            ));
        }

$body = new Stream('php://temp', 'wb+');
        $body->write($text);
        $body->rewind();
        return $body;
    }
}