<?php
/**
 * Implementation of the Disqus API designed for WordPress.
 *
 * @author        Disqus <team@disqus.com>
 * @copyright    2007-2010 Big Head Labs
 * @link        http://disqus.com/
 * @package        Disqus
 * @subpackage    DisqusWordPressAPI
 * @version        2.0
 */

require_once(ABSPATH.WPINC.'/http.php');
require_once(dirname(__FILE__) . '/api/disqus/disqus.php');
/** @#+
 * Constants
 */
/**
 * Base URL for Disqus.
 */
define('DISQUS_ALLOWED_HTML', '<b><u><i><h1><h2><h3><code><blockquote><br><hr>');

/**
 * Helper methods for all of the Disqus v2 API methods.
 *
 * @package        Disqus
 * @subpackage    DisqusWordPressAPI
 * @author        DISQUS.com <team@disqus.com>
 * @copyright    2007-2008 Big Head Labs
 * @version        1.0
 */
class DisqusWordPressAPI {
    var $short_name;
    var $forum_api_key;

    function DisqusWordPressAPI($short_name=null, $forum_api_key=null, $user_api_key=null) {
        $this->short_name = $short_name;
        $this->forum_api_key = $forum_api_key;
        $this->user_api_key = $user_api_key;
        $this->api = new DisqusAPI($user_api_key, $forum_api_key, DISQUS_API_URL);
    }

    function get_last_error() {
        return $this->api->get_last_error();
    }

    function get_user_api_key($username, $password) {
        $response = $this->api->call('get_user_api_key', array(
            'username'    => $username,
            'password'    => $password,
        ), true);
        return $response;
    }

    function get_forum_list($user_api_key) {
        $this->api->user_api_key = $user_api_key;
        return $this->api->get_forum_list();
    }

    function get_forum_api_key($user_api_key, $id) {
        $this->api->user_api_key = $user_api_key;
        return $this->api->get_forum_api_key($id);
    }
    
    function get_forum_posts($start_id=0) {
        $response = $this->api->get_forum_posts(null, array(
            'filter' => 'approved',
            'start_id' => $start_id,
            'limit' => 100,
            'order' => 'asc',
            'full_info' => 1
        ));
        return $response;
    }

    function import_wordpress_comments(&$wxr, $timestamp, $eof=true) {
        $http = new WP_Http();
        $response = $http->request(
            DISQUS_IMPORTER_URL . 'api/import-wordpress-comments/',
            array(
                'method' => 'POST',
                'timeout' => 60,
                'body' => array(
                    'forum_url' => $this->short_name,
                    'forum_api_key' => $this->forum_api_key,
                    'response_type'    => 'php',
                    'wxr' => $wxr,
                    'timestamp' => $timestamp,
                    'eof' => (int)$eof
                ),
            )
        );
        if ($response->errors) {
            // hack
            $this->api->last_error = $response->errors;
            return -1;
        }
        $data = unserialize($response['body']);
        if (!$data || $data['stat'] == 'fail') {
            return -1;
        }
        
        return $data;
    }
}

?>