<?php
/**
 * Stream Response HTTP
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage rest
 */

/**
 * load base class
 */
WBClass::load('WBStream_Response');

/**
 * Stream Response HTTP
 *
 * Simple response class for HTTP stream
 *
 * @version 0.1.2
 * @package WB
 * @subpackage rest
 */
class WBStream_Response_Http extends WBStream_Response
{
    /**
     * Tell If Status Is OK
     *
     * @return bool
     */
    public function isOK()
    {
        if (200 == $this->status) {
            return true;
        }
        return false;
    }

    /**
     * On Stream Set
     *
     * Extract HTTP-header and response status
     */
    protected function onSetStream()
    {
        // check for result header
        foreach ($this->meta['wrapper_data'] as $line) {
            if (preg_match('/HTTP\\/1\\.\\d\\s+(\\d+)\\s+/', $line, $match)) {
                $this->status   =   $match[1];
                break;
            }
        }

        foreach ($this->meta['wrapper_data'] as $line) {
            if (preg_match('/HTTP\\/1/', $line, $match)) {
                continue;
            }

            $line   =   array_map('trim', explode(':', $line, 2));
            // invalid header
            if (2 > count($line)) {
                continue;
            }

            $this->header[strtolower($line[0])] =   $line[1];
        }

        $this->decodeContent();
    }

    private function decodeContent()
    {
        $type   =   $this->getHeader('Content-Type');
        if (empty($type)) {
            return;
        }

        $type   =   array_map('trim', explode(';', $type));
        switch (strtolower($type[0])) {
            case 'application/json':
                $this->contentRaw   =   $this->content;
                $this->content      =   json_decode($this->content, true);
                break;

            default:
                break;
        }

    }

}