<?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;
		}
		
	}
?>