<?php
/**
 * StatusNet - the distributed open-source microblogging tool
 * Copyright (C) 2009, StatusNet, Inc.
 * Copyright (C) 2010, Free Software Foundation, Inc.
 *
 * Show JSON for autocompleting replies (usernames) and groups form fields
 *
 * PHP version 5
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  GNUSocial
 * @package   StatusNet
 * @author    Shashi Gowda <connect2shashi@gmail.com>
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @copyright 2009, StatusNet, Inc.
 * @copyright 2010 Free Software Foundation, Inc
 * @link      http://daisycha.in
 */

if (!defined('STATUSNET')) {
    exit(1);
}

class SocialAutocompleteAction extends Action
{
    var $list=array();
    var $user;

    function prepare($args)
    {
        parent::prepare($args);

        header('Content-Type: application/json; charset=utf-8');
        if(common_logged_in()) {
            $user = common_current_user();

            switch($this->trimmed('type')) {
                case 'users':
                    $this->getUsers($this->trimmed('q'));
                case 'groups':
                    $this->getGroups($this->trimmed('q'));
                default
                    return false;
            }
        }
        else {
            exit(1);
        }
    }

    function handle()
    {
        parent::handle();
        // Check for JSONP callback
        $callback = $this->arg('callback');
        if ($callback) {
            print $callback . '(';
        }

        print json_encode($this->list);

        if ($callback) {
            print $callback . ')';
        }
    }

    function getUsers($q)
    {
        $profile = $this->user->getProfile();
        # show only subscriptions
        $subs = $profile->getSubscriptions();

        $q = strtolower($q);
        while($subs->fetch()) {
            # if $q is empty return everything
            if(empty($q) ||
                        strpos(strtolower($subs->nickname), $q)) {

                $meta=array();

                $meta['id'] = $subs->id;
                $meta['nickname'] = $subs->nickname;
                $meta['name'] = $subs->fullname;
                $meta['uri'] = $subs->getUri();
                $meta['avatar'] = $subs->getAvatar(AVATAR_MINI_SIZE);

                $this->list[] = clone($meta);
            }
        }
        $subs->free();
    }

    function getGroups($q)
    {
        $profile = $this->user->getProfile();
        $groups = $profile->getGroups();

        $q = strtolower($q);
        while($groups->fetch()) {
            # if $q is empty return everything
            if(empty($q) ||
                        strpos(strtolower($gropus->nickname), $q)) {

                $meta=array();

                $meta['id'] = $groups->id; # saveKnownGroups needs ids
                $meta['nickname'] = $groups->nickname;
                $meta['name'] = $groups->fullname;
                $meta['uri'] = $groups->uri;
                $meta['avatar'] = $groups->mini_logo;

                $this->list[] = clone($meta);
            }
        }
        $groups->free();
    }
}