<?php

namespace PSX\Http\Writer;

use PSX\Http\Http;
use PSX\Http\Parser\ResponseParser;
use PSX\Http\ResponseInterface;

/**
 * Multipart
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class Multipart extends Writer
{
    /** @var string */
    protected $subType;

    /** @var string */
    protected $boundary;

    /** @var \PSX\Http\ResponseInterface[] */
    protected $parts;

    /**
     * @param string $subType
     * @param string|null $boundary
     */
    public function __construct($subType = 'mixed', $boundary = null)
    {
        parent::__construct(null, null);

        $this->subType  = $subType;
        $this->boundary = $boundary === null ? $this->generateBoundary() : $boundary;
        $this->parts    = [];
    }

    /**
     * @return string
     */
    public function getSubType()
    {
        return $this->subType;
    }

    /**
     * @return string|null
     */
    public function getBoundary()
    {
        return $this->boundary;
    }

    /**
     * @param \PSX\Http\ResponseInterface $response
     */
    public function addPart(ResponseInterface $response)
    {
        $this->parts[] = $response;
    }

    /**
     * @return \PSX\Http\ResponseInterface[]
     */
    public function getParts()
    {
        return $this->parts;
    }

    /**
     * @inheritdoc
     */
    public function writeTo(ResponseInterface $response)
    {
        $response->setHeader('Content-Type', 'multipart/' . $this->subType . '; boundary="' . $this->boundary . '"');

        $parts = $this->getParts();
        foreach ($parts as $part) {
            $out = '--' . $this->boundary . Http::NEW_LINE;

            $headers = ResponseParser::buildHeaderFromMessage($part);
            foreach ($headers as $header) {
                $out.= $header . Http::NEW_LINE;
            }

            $out.= Http::NEW_LINE;
            $out.= (string) $part->getBody();
            $out.= Http::NEW_LINE;

            $response->getBody()->write($out);
        }

        $response->getBody()->write('--' . $this->boundary . '--' . Http::NEW_LINE);
    }

    private function generateBoundary()
    {
        return sha1(uniqid());
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDQ2MTg4NjE3NDE0MjA5NCA1NTM0ODExMjM1MzgxNjA0IDQzMTk3NjY4OTUwMjI3OTk=