<?php

    class user {

        public $nick = '';
        public $address = '';
        public $network = '';
        public $chans = array();
        public $idle = 0;
        public $login = '';
        public $dead = FALSE;


        public function __construct($network, $nick, $address, $chans) {
            $this->network = $network;
            $this->nick = $nick;
            $this->address = $address;
            $this->chans = (is_array($chans)) ? $chans : array($chans);
            $this->idle = time();
        }

        public function join($chan) {
            //  Adds a common channel (one shared with the bot) to the list.
            if (!isset($this->chans[$chan])) {
                $this->chans[$chan] = '';
            }
        }

        public function part($chan) {
            //  Removes a common channel from the list.
            if (!isset($this->chans[$chan])) {
                unset($this->chans[$chan]);
            }
        }

        public function mode($chan, $mode) {
            //  Updates the information for the user's status on the given channel (e.g., op, voice, etc).
            if (substr($mode, 0, 1) == '+' && stripos($this->chans[$chan], $mode) === FALSE) {
                $this->chans[$chan] .= $mode;
            }
            elseif (substr($mode, 0, 1) == '-' && stripos($this->chans[$chan], $mode) !== FALSE) {
                $this->chans[$chan] = str_replace($mode, '', $this->chans[$chan]);
            }
        }

        public function idle() {
            //  Returns total time idle in seconds, as the difference of the current timestamp and that of the user's last activity.
            return (time() - $this->idle);
        }

        public function login($user, $pass) {
            //  Logs the user into the specificed account.
            irc::db();
            mysql_select_db('datassbot');
            if ($qu = mysql_query('SELECT user, level FROM users WHERE network=\''. $this->network. '\' AND user=\''. $user '\' AND password=\''. md5($pass). '\'')) {
                $cur = mysql_fetch_array($qu);
                $this->login = $user;
                return 'You have successfully logged into your account '. irc::bold($cur['user']). '. Your access level is '. irc::bold($cur['level']). '.';
            }
            else {
                return 'Unknown username or bad password. Please try again.';
            }
        }

        public function logout() {
            //  Logs the user out of their account.
            if (!$this->login) {
                return 'You have not yet logged in.';
            }
            $t = $this->login;
            $this->login = '';
            return 'You have successfully logged out of '. irc::bold($t). '.';
        }

        public function setpass($pass) {
            //  Change the user's password.
            if (!$this->login) {
                return 'You must first log in before changing your password.';
            }
            irc::db();
            mysql_select_db('datassbot');
            if (mysql_query('UPDATE users SET password=\'' mysql_real_escape_string(md5($pass)). '\' WHERE network=\''. $this->network.
                '\' AND user=\''. $this->login. '\'')) {
                return 'Your password has been successfully changed to '. irc::bold($pass). '. Please remember it for later use.';
            }
            else {
                return 'There was an error changing your password. Please try again.';
            }
        }

        public function auto($cmd, $host = '') {
            //  Manage auto-login settings.
            if (!$this->login) {
                return 'You must first log in before managing auto-login settings.';
            }
            irc::db();
            mysql_select_db('datassbot');
            switch ($cmd) {
                case 'set':
                    if (mysql_query('UPDATE users SET auto=\'' mysql_real_escape_string($host). '\' WHERE network=\''. $this->network.
                        '\' AND user=\''. $this->login. '\'')) {
                        if ($host) {
                            return 'You will now be automatically logged in to hosts matching '. irc::bold($host);
                        }
                        else {
                            return 'Auto-login has been disabled for your account.';
                        }
                    }
                    else {
                        return 'There was an error changing your auto-login host. Please try again.';
                    }
                break;

                case 'view':
                    if ($qu = mysql_query('SELECT auto FROM users WHERE network=\''. $this->network. '\' AND user=\''. $this->login. '\'')) {
                        $cur = mysql_fetch_array($qu);
                        if ($cur['auto']) {
                            return 'Your account is automatically logged in to hosts matching '. irc::bold($cur['auto']);
                        }
                        else {
                            return 'Auto-login is currently disabled for your account.';
                        }
                    }
                    else {
                        return 'There was an error retrieving your auto-login host. Please try again.';
                    }
                break;

                default:
                    return 'Unknown auto-login command '. irc::bold($cmd). '. Please enter a valid option.';
                break;
            }
        }

        public function access() {
            //  Returns the access level for this user.
            if (!$this->login) {
                return -1;
            }
            irc::db();
            mysql_select_db('datassbot');
            $qu = mysql_query('SELECT level FROM users WHERE network=\''. $this->network. '\' AND user=\''. $this->login. '\'');
            $cur = mysql_fetch_array($qu);
            return $cur['level'];
        }

        public function __toString() {
            //  Conversion of the user object to a String yields the current nickname.
            return $this->nick;
        }

    }
?>