<?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:----NjAwNTg0MTEzNDQ0MzMwMyAzODExOTQ3MTI4ODM1OTQ1IDkwNjc1NzQyNDg3OTMyMDM=