<?php
    /**
    /*      OSPHPChat Alpha 1 - 2011
    /*
    /*      File: /modules/chat/ajax.php
    /*
    /*      Website: www.OSPHPChat.com
    /*
    /*      Author: Daniel Hood <danny@osphpchat.com>
    /*
    /*
    /*
    **/

    if ($mode == 'send')
    {
        $message = $OSPHPChat->Purify->get('message', 'POST', 'string');
        if (isset($message) && !empty($message))
        {
            if ($OSPHPChat->User->auth->check_auth('main_talk'))
            {
                if ($message{0} == '/')
                {
                    $message = substr($message, 1);
                    $cmd = explode(' ', $message, 2);
                    if (file_exists('modules/chat/commands/' . $cmd[0] . '.php'))
                    {
                        include('commands/' . $cmd[0] . '.php');
                        $command = $cmd[0];
                        $command = new $command(&$OSPHPChat, $message);
                        if ($command->allowed())
                        {
                            if (stristr($message, '-help'))
                            {
                                $data = array(
                                    'user_id' => $OSPHPChat->User->user_info['id'],
                                    'to' => 'room:' . $OSPHPChat->Messages->room . ';',
                                    'message' => $command->help(),
                                    'date' => $OSPHPChat->data,
                                    'time' => $OSPHPChat->time,
                                    'color' => $OSPHPChat->User->user_info['message_color'],
                                    'user_color' => $OSPHPChat->User->user_info['user_color'],
                                    'username' => $OSPHPChat->User->user_info['username']
                                );
                                $OSPHPChat->Messages->send_message($data);
                            }
                            else
                            {
                                $command->execute();
                            }
                        }
                        else
                        {
                            $error = "You are not permitted to use this command.";
                        }
                    }
                }
                else
                {
                    $data = array(
                        'user_id' => $OSPHPChat->User->user_info['id'],
                        'to' => 'room:' . $OSPHPChat->Messages->room . ';',
                        'message' => $message,
                        'date' => $OSPHPChat->data,
                        'time' => $OSPHPChat->time,
                        'color' => $OSPHPChat->User->user_info['message_color'],
                        'user_color' => $OSPHPChat->User->user_info['user_color'],
                        'username' => $OSPHPChat->User->user_info['username']
                    );
                    $OSPHPChat->Messages->send_message($data);
                }
            }
            else
            {
                $error = "You are not permitted to talk.";
            }
        }
        else
        {
            $error = "You cannot send blank messages.";
        }
        if ($error)
        {
            echo json_encode($error);
        }
    }
    elseif ($mode == 'load')
    {
        $OSPHPChat->Messages->starting_id = $_SESSION['last_message'];
        $OSPHPChat->Messages->get_messages();
        $Messages = array();
        foreach ($OSPHPChat->Messages->get_messages() as $message)
        {
            // Establishes User Color \\
            if (isset($message['user_color']))
            {
                $message['sender'] = "<a href='#' style='color:#" . $message['user_color'] . ";'>" . $message['username'] . "</a>";
            }
            else
            {
                $message['sender'] = "<a href='#'>" . $message['username'] . "</a>";
            }

            // Establishes Message Color \\
            if (isset($message['color']))
            {
                $message['text'] = "<span style='color:#" . $message['color'] . ";'>" . $message['message'] . "</span>";
            }
            else
            {
                $message['text'] = "<span>" . $message['message'] . "</span>";
            }

            $_SESSION['last_message'] = $message['id'];
            $Smarty->assign('message', $message);
            $Messages[] = $Smarty->fetch('_message.tpl');
        }
        echo json_encode($Messages);
    }
    elseif ($mode == 'users')
    {
        $offline_time = time() - 15;
        // Getting [new] online users \\
        $online_users = $OSPHPChat->db->Execute("SELECT * FROM `" . $OSPHPChat->config['database']['tables']['users'] . "` WHERE `online_time`> '" . $offline_time . "'");
        while ($online_user = $online_users->FetchRow())
        {
            $All_users[$online_user['id']] = array(
                'id' => $online_user['id'],
                'username' => $online_user['username']
            );
            if (!isset($_SESSION['online_users'][$online_user['id']]))
            {
                $Smarty->assign('user', $online_user);
                $Users[online][$online_user['id']] = array(
                    'html' => $Smarty->fetch('_user_list.tpl'),
                    'id' => $online_user['id']
                );
            }
            $Userids_online[$online_user['id']] = $online_user['username'];
        }
        // Removing offline users \\
        if (is_array($_SESSION['online_users']))
        {
            foreach ($_SESSION['online_users'] as $online_user)
            {
                if (!isset($Userids_online[$online_user['id']]))
                {
                    $Users['offline'][] = $online_user;
                }
            }
        }
        $_SESSION['online_users'] = $All_users;
        echo json_encode($Users);
    }
?>