<?php
Auth::connect($config);

class Auth
{
	public static $config = NULL;
	public static $dbh = NULL;
	public static $stmt = NULL;
	public static $username = NULL;
	public static $password = NULL;
	public static $sessdata = NULL;
	public static $dbuser = NULL;
	public static $dbuser = NULL;
	public static $database = NULL;
	public static $host = NULL;

	public static function configure($config = NULL) {
		self::$dbuser = self::$config["username"];
		self::$dbpass = self::$config["password"];
		self::$database = self::$config["database"];
		self::$host = self::$config["host"];
	}

	public static function connect($config = NULL) {
		if(is_array($config)) {
			self::config($config);
		}
		self::$dbh = new PDO("mysql:host={self::$host};dbname={self::$database}", self::$dbuser, self::$dbpass);
		self::$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
	}

	public static function validateUser() {
		self::$stmt = self::$dbh->prepare("SELECT * FROM users WHERE username = :username AND password = :password LIMIT 1");
		self::$stmt->bindParam(':username', self::$username);
		self::$stmt->bindParam(':password', md5(self::$password));
		self::$stmt->execute();

		return self::$stmt->rowCount() == 1;
	}

	public static function isAuth() {
		if(self::$sessdata["ip"] != $_SERVER['REMOTE_ADDR']) {
			return false;
		}
		self::$stmt = self::$dbh->prepare("SELECT * FROM users WHERE id = :id AND password = :password LIMIT 1");
		self::$stmt->bindParam(':id', self::$sessdata["id"]);
		self::$stmt->bindParam(':password', self::$sessdata["salty"]);
		self::$stmt->execute();

		return self::$stmt->rowCount() == 1;
	}
	public static function generateSess() {
		$result = self::$stmt->fetch();
		return array("id" => $result["id"], "ip" => $_SERVER["REMOTE_ADDR"], "salty" => $result["password"]);
	}
}
?>