<?php
/**
 * Flowpanel
 * Database Class
 *
 * @author: Matt Clarke
 * @contact: matt@motionfrag.com
 **/

class user {

	var $error = '';

	/**
	 * Checks if a user is valid or not
	 **/
	public function checkCredentials( $username, $password ) {

		$password = $this->core->security->encryptPassword( $password );
		$count = $this->core->database->numRowsFQ( "SELECT * FROM `accounts` WHERE `username` = '{$username}' AND `password` = '{$password}'" );
		if( $count == 1 ) {
			return true;
		} else {
			return false;
		}

	}

	/**
	 * Process to login a user
	 **/
	public function userLogin( $username, $password ) {

		$valid = $this->checkCredentials( $username, $password );
		if( $valid ){
			$data = $this->core->database->fetchArrayFQ( "SELECT * FROM `accounts` WHERE `username` = '{$username}'" );
			$this->setSession( $username, $data['ID'] );
			return true;
		} else {
			return false;
		}

	}

	/**
	 * Sets a session for user login
	 **/
	public function setSession( $username, $UID ) {

		$_SESSION['loggedin'] = 1;
		$_SESSION['username'] = $username;
		$_SESSION['UID'] = $UID;

	}

	/**
	 * Takes session data out for logout
	 **/
	public function clearSession( ) {

		$_SESSION['loggedin'] = '';
		$_SESSION['username'] = '';
		$_SESSION['UID'] = '';
		unset( $_SESSION['loggedin'] );
		unset( $_SESSION['username'] );
		unset( $_SESSION['UID'] );
		session_destroy();

	}


	/**
	 * Checks to see if a user is logged in
	 **/
	public function isLoggedIn( ) {

		if( $_SESSION['loggedin'] == 1 ) {
			return true;
		} else {
			return false;
		}

	}

	/**
	 * Makes sure the page will redirect if not logged in
	 **/
	public function requireLogin( ) {

		if( $_SESSION['loggedin'] != 1 ) {
			$this->core->redirect( "index.php" );
		} else {
			return true;
		}

	}

	/**
	 * Sets logged in user data
	 **/
	public function setUserData( ) {

		$queryA = $this->core->database->fetchArrayFQ( "SELECT * FROM `accounts` WHERE `ID` = {$_SESSION['UID']}" );
		return $queryA;

	}

	/**
	 * Checks to see if a user is logged in
	 **/
	public function getLevel( ) {

		$UID = $_SESSION['UID'];
		$queryA = $this->core->database->fetchArrayFQ( "SELECT * FROM `accounts` WHERE `ID` = $UID" );
		return $queryA['level'];
	}

	/**
	 * required get error function
	 **/
	public function getError( ) {
		if( $this->error != '' ) {
			return '{USER} - ' . $this->error;
		}
	}
}

?>