<?php

class Checks {
	private function checkwriteaccessconfigfolder() {
		return (is_writable("../php"));
	}

	private function checkwriteaccessconfigfile() {
		if (file_exists("../php/config.php")) {
			return (is_writable("../php/config.php"));
		} else {
			return (is_writable("../php"));
		}
	}

	private function checkwriteaccessprivkey() {
		if (file_exists("../php/privkey.pem")) {
			return (is_writable("../php/privkey.pem"));
		} else {
			return (is_writable("../php"));
		}
	}

	private function checkwriteaccesspubkey() {
		if (file_exists("../php/cert.pem")) {
			return (is_writable("../php/cert.pem"));
		} else {
			return (is_writable("../php"));
		}
	}
	
	private function checkwritecustomerfolder() {
		return (is_writable("../customer"));
	}

	private function checkwritespeisekarte() {
		if (file_exists("../customer/speisekarte.txt")) {
			return (is_writable("../customer/speisekarte.txt"));
		} else {
			return (is_writable("../customer"));
		}
	}

	function checkWriteAccess() {
		$retArray = array(
				"configfolder" => $this->checkwriteaccessconfigfolder(),
				"configfile" => $this->checkwriteaccessconfigfile(),
				"customerfolder" => $this->checkwritecustomerfolder(),
				"speisekarte" => $this->checkwritespeisekarte()
		);
		echo json_encode($retArray);
	}
	
	function checkWriteAccessNoJson() {
		return(array(
				"configfolder" => $this->checkwriteaccessconfigfolder(),
				"configfile" => $this->checkwriteaccessconfigfile(),
				"customerfolder" => $this->checkwritecustomerfolder(),
				"speisekarte" => $this->checkwritespeisekarte(),
				"privkey" => $this->checkwriteaccessprivkey(),
				"pubkey" => $this->checkwriteaccesspubkey()
		));
	}

}

class Basedb {
	var $prefix = "";
	var $timezone = "Europe/Berlin";
	
	function setPrefix($pre) {
		$this->prefix = $pre;
	}
	
	function setTimeZone($zone) {
		$this->timezone = $zone;
	}
	
	function doSQL($pdo,$sql) {
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function doSQLcatch($pdo,$sql) {
		try {
			$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
			$stmt->execute();
		} catch (Exception $e) {
			// nothing - table not present or whatever...
		}
	}
	
	function resolveTablenamesInSqlString($sqlString) {
		return DbUtils::substTableAliasCore($sqlString, $this->prefix);
	}
	
	function dropTables($pdo) {
		$this->doSQLcatch($pdo, "DROP TABLE `%hsout%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%hsin%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%comments%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%reservations%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%work%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%hist%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%histprod%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%histconfig%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%histuser%`");
		$this->doSQLcatch($pdo, "DROP TABLE `%histactions%`");

		$this->doSQLcatch($pdo, "drop TABLE `%queueextras%`");
		$this->doSQLcatch($pdo, "drop TABLE `%extrasprods%`");
		$this->doSQLcatch($pdo, "drop TABLE `%extras%`");
		
		$this->doSQLcatch($pdo, "drop TABLE `%billproducts%`");
		$this->doSQLcatch($pdo, "drop TABLE `%queue%`");
		$this->doSQLcatch($pdo, "drop TABLE `%printjobs%`");
		$this->doSQLcatch($pdo, "drop TABLE `%customerlog%`");
		$this->doSQLcatch($pdo, "drop TABLE `%bill%`");
		$this->doSQLcatch($pdo, "drop TABLE `%ratings%`");
		$this->doSQLcatch($pdo, "drop TABLE `%user%`");
		$this->doSQLcatch($pdo, "drop TABLE `%closing%`");
		$this->doSQLcatch($pdo, "drop TABLE `%config%`");
		$this->doSQLcatch($pdo, "drop TABLE `%products%`");
		$this->doSQLcatch($pdo, "drop TABLE `%prodimages%`");
		$this->doSQLcatch($pdo, "drop TABLE `%prodtype%`");
		$this->doSQLcatch($pdo, "drop TABLE `%pricelevel%`");
		$this->doSQLcatch($pdo, "drop TABLE `%tablepos%`");
		$this->doSQLcatch($pdo, "drop TABLE `%tablemaps%`");
		$this->doSQLcatch($pdo, "drop TABLE `%resttables%`");
		$this->doSQLcatch($pdo, "drop TABLE `%room%`");
		$this->doSQLcatch($pdo, "drop TABLE `%payment%`");
		
		$this->doSQLcatch($pdo, "drop TABLE `%groupcustomer%`");
		$this->doSQLcatch($pdo, "drop TABLE `%vacations%`");
		$this->doSQLcatch($pdo, "drop TABLE `%groups%`");
		$this->doSQLcatch($pdo, "drop TABLE `%customers%`");
		
		$this->doSQLcatch($pdo, "drop TABLE `%logo%`");
		$this->doSQLcatch($pdo, "drop TABLE `%log%`");
	}

	
	function createCustomerLogTable($pdo) {
		$sql = "
		CREATE TABLE `%customerlog%` (
		`id` INT (3) NOT NULL AUTO_INCREMENT PRIMARY KEY,
		`date` DATETIME NULL,
		`customerid` INT(10) NULL,
		`billid` INT(10) NULL,
		`action` INT(2) NULL,
		`userid` INT(3) NULL,
		`remark` VARCHAR ( 500 ) NULL,
		FOREIGN KEY (billid) REFERENCES %bill%(id),
		FOREIGN KEY (customerid) REFERENCES %customers%(id),
		FOREIGN KEY (userid) REFERENCES %user%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createLogTable($pdo) {
		$sql = "
		CREATE TABLE `%log%` (
		`id` INT (3) NOT NULL AUTO_INCREMENT PRIMARY KEY,
		`date` DATETIME NULL,
		`component` VARCHAR ( 20 ) NULL,
		`message` VARCHAR ( 500 ) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createPaymentTable($pdo) {
		$sql = "
		CREATE TABLE `%payment%` (
		`id` INT (3) NOT NULL UNIQUE,
		`name` VARCHAR ( 20 ) NOT NULL,
		`name_en` VARCHAR ( 20 ) NOT NULL,
		`name_esp` VARCHAR ( 20 ) NOT NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createUserTable($pdo)
	{
		$sql = "
		CREATE TABLE `%user%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`username` VARCHAR ( 150 ) NOT NULL,
		`userpassword` VARCHAR ( 150 ) NOT NULL,
		`is_admin` INT (1) NOT NULL,
		`right_waiter` INT (1) NOT NULL,
		`right_kitchen` INT (1) NOT NULL,
		`right_bar` INT (1) NOT NULL,
		`right_supply` INT (1) NOT NULL,
		`right_paydesk` INT (1) NOT NULL,
		`right_statistics` INT (1) NOT NULL,
		`right_bill` INT (1) NOT NULL,
		`right_products` INT (1) NOT NULL,
		`right_manager` INT (1) NOT NULL,
		`right_closing` INT (1) NOT NULL,
		`right_dash` INT (1) NOT NULL,
		`right_reservation` INT (1) NOT NULL,
		`right_rating` INT (1) NOT NULL,
		`right_changeprice` INT (1) NOT NULL,
		`right_customers` INT (1) NOT NULL,
		`lastmodule` VARCHAR ( 30 ) NULL,
		`ordervolume` INT (2) NULL,
		`language` INT (2) NULL,
		`mobiletheme` INT(2) NULL,
		`receiptprinter` INT (1) NULL,
		`roombtnsize` INT(1) NULL,
		`tablebtnsize` INT(1) NULL,
		`prodbtnsize` INT(1) NULL,
		`prefertablemap` INT(1) NULL,
		`preferimgdesk` INT(1) NULL,
		`preferimgmobile` INT(1),
		`keeptypelevel` INT(1) NOT NULL,
		`extrasapplybtnpos` INT(1) NOT NULL,
		`failedlogins` VARCHAR(20) NULL,
		`active` INT (2) NOT NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createRoomTable($pdo)
	{
		$sql = "
		CREATE TABLE `%room%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`roomname` VARCHAR ( 150 ) NOT NULL,
		`abbreviation` VARCHAR (10) NULL,
		`printer` INT(2) NULL,
		`removed` INT(2) NULL,
		`sorting` INT(2) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createTableMapsTable($pdo)
	{
		$sql = "
		CREATE TABLE `%tablemaps%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`roomid` INT (10) NOT NULL,
		`img` MEDIUMBLOB,
		`sizex` INT(4) NULL,
		`sizey` INT(4) NULL,
		FOREIGN KEY (roomid) REFERENCES %room%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute();
	}
	
	function createTablePosTable($pdo)
	{
		$sql = "
		CREATE TABLE `%tablepos%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`tableid` INT (10) NOT NULL,
		`x` INT(4) NULL,
		`y` INT(4) NULL,
		FOREIGN KEY (tableid) REFERENCES %resttables%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute();
	}
	
	function createRestTables($pdo)
	{
		$sql = "
		CREATE TABLE `%resttables%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`tableno` VARCHAR ( 150 ) NOT NULL,
		`roomid` INT ( 10 ) NOT NULL,
		`removed` INT(2) NULL,
		`sorting` INT(2) NULL,
		FOREIGN KEY (roomid) REFERENCES %room%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createConfigTable($pdo) {
		$sql = "
		CREATE TABLE `%config%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`name` VARCHAR ( 1000 ) ,
		`setting` VARCHAR ( 10000 )
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createLogoTable($pdo) {
		$sql = "
		CREATE TABLE `%logo%` (
		`id` INT (2) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`name` VARCHAR ( 100 ) ,
		`setting` BLOB
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createProdTypeTable($pdo)
	{
		$sql = "
		CREATE TABLE `%prodtype%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`name` VARCHAR ( 150 ) NOT NULL,
		`usekitchen` INT(1) NOT NULL,
		`usesupplydesk` INT(1) NOT NULL,
		`kind` INT(2) NOT NULL,
		`printer` INT(2) NULL,
		`sorting` INT(2) NULL,
		`reference` INT (10) NULL,
		`removed` INT(1) NULL,
		FOREIGN KEY (reference) REFERENCES %prodtype%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createExtrasTable($pdo) {
		$sql = "
		CREATE TABLE `%extras%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`name` VARCHAR ( 150 ) NOT NULL,
		`price` " . DECIMALSMALL .  " NOT NULL,
		`sorting` INT(2) NULL,
		`removed` INT(1) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createExtrasprodsTable($pdo) {
		$sql = "
		CREATE TABLE `%extrasprods%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`extraid` INT (10) NOT NULL,
		`prodid` INT (10) NOT NULL,
		FOREIGN KEY (extraid) REFERENCES %extras%(id),
		FOREIGN KEY (prodid) REFERENCES %products%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createQueueExtrasTable($pdo) {
		$sql = "
		CREATE TABLE `%queueextras%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`queueid` INT (10) NOT NULL,
		`extraid` INT (10) NOT NULL,
		`name` VARCHAR (200) NOT NULL,
		FOREIGN KEY (extraid) REFERENCES %extras%(id),
		FOREIGN KEY (queueid) REFERENCES %queue%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);	
	}
	
	function createProductTable($pdo)
	{
		$sql = "
		CREATE TABLE `%products%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`shortname` VARCHAR ( 150 ) NOT NULL,
		`longname` VARCHAR ( 150 ) NOT NULL,
		`priceA` " . DECIMALSMALL . " NULL,
		`priceB` " . DECIMALSMALL . "  NULL,
		`priceC` " .DECIMALSMALL . " NULL,
		`unit` INT(2) NULL,
		`days` VARCHAR(20) NULL,
		`tax` " . DECIMALSMALL . " NULL,
		`taxaustria` INT(1) NULL,
		`amount` INT(5) NULL,
		`category` INT(3) NULL,
		`favorite` INT(1) NULL,
		`sorting` INT(2) NULL,
		`available` INT(2) NOT NULL,
		`audio` VARCHAR ( 150 ) NULL,
		`prodimageid` INT(10) NULL,
		`removed` INT(1) NULL,
		FOREIGN KEY (category) REFERENCES %prodtype%(id),
		FOREIGN KEY (prodimageid) REFERENCES %prodimages%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createPriceLevelTable($pdo) {
		$sql = "
		CREATE TABLE `%pricelevel%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`name` VARCHAR ( 1000 ) ,
		`info` VARCHAR ( 1000 ),
		`info_en` VARCHAR ( 1000 ) ,
		`info_esp` VARCHAR ( 1000 )
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createClosingTable($pdo) {
		$sql = "
		CREATE TABLE `%closing%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`closingdate` DATETIME NOT NULL ,
		`billcount` INT(5) NOT NULL ,
		`billsum` " . DECIMALBIG . " NOT NULL ,
		`signature` blob NULL,
		`remark` VARCHAR ( 1000 )
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createRatingsTable($pdo) {
		$sql = "
		CREATE TABLE `%ratings%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`date` DATETIME NOT NULL ,
		`service` INT(2) NULL,
		`kitchen` INT(2) NULL,
		`remark` VARCHAR ( 200 ) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createBillTable($pdo)
	{
		$sql = "
		CREATE TABLE `%bill%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`billdate` DATETIME NOT NULL ,
		`brutto` " . DECIMALMIDDLE . " NULL,
		`netto` " . DECIMALMIDDLE . " NULL,
		`prevbrutto` " . DECIMALBIG . " NULL,
		`prevnetto` " . DECIMALBIG . " NULL,
		`tableid` VARCHAR ( 150 ) NOT NULL,
		`closingid` INT(4) NULL,
		`status` VARCHAR(2) NULL,
		`paymentid` INT(2) NULL,
		`userid` INT(3) NULL,
		`ref` INT(10) NULL,
		`tax` " . DECIMALSMALL . " NULL,
		`host` INT(2) NULL,
		`reason` VARCHAR ( 150 ) NULL,
		`reservationid` VARCHAR( 30 ) NULL,
		`guestinfo` VARCHAR( 30 ) NULL,
		`intguestid` INT(10) NULL,
		`intguestpaid` INT(2) NULL,
		`signature`blob NULL,
		FOREIGN KEY (closingid) REFERENCES %closing%(id),
		FOREIGN KEY (paymentid) REFERENCES %payment%(id),
		FOREIGN KEY (userid) REFERENCES %user%(id),
		FOREIGN KEY (ref) REFERENCES %bill%(id),
		FOREIGN KEY (intguestid) REFERENCES %customers%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createCustomersTable($pdo)
	{
		$sql = "
		CREATE TABLE `%customers%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`name` VARCHAR(50) NULL,
		`address` VARCHAR(200) NULL,
		`email` VARCHAR(50) NULL,
		`phone` VARCHAR(30) NULL,
		`mobil` VARCHAR(30) NULL,
		`www` VARCHAR(50) NULL,
		`hello` VARCHAR(100) NULL,
		`regards` VARCHAR(100) NULL,
		`remark` VARCHAR(500) NULL,
		`created` DATETIME NULL,
		`lastmodified` DATETIME NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createGroupsTable($pdo)
	{
		$sql = "
		CREATE TABLE `%groups%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`name` VARCHAR(50) NULL,
		`remark` VARCHAR(200) NULL,
		`created` DATETIME NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createGroupCustomerTable($pdo)
	{
		$sql = "
		CREATE TABLE `%groupcustomer%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`groupid` INT(10) NOT NULL,
		`customerid` INT(10) NOT NULL,
		FOREIGN KEY (groupid) REFERENCES %groups%(id),
		FOREIGN KEY (customerid) REFERENCES %customers%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createVacationsTable($pdo)
	{
		$sql = "
		CREATE TABLE `%vacations%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`customerid` INT(10) NOT NULL,
		`checkin` DATE NULL,
		`checkout` DATE NULL,
		`room` VARCHAR(50) NULL,
		`remark` VARCHAR(200) NULL,
		FOREIGN KEY (customerid) REFERENCES %customers%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	/*
	 * Create the queue table:
	 * 	action: P=Pay, S=Storno
	 */
	function createQueueTable($pdo)
	{
		$sql = "
		CREATE TABLE `%queue%` (
		`id` INT( 10 ) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`tablenr` INT( 3 ) NULL ,
		`productid` INT( 10 ) NULL ,
		`pricelevel` INT( 3 ) NOT NULL ,
		`price` " . DECIMALSMALL . " NOT NULL,
		`tax` " . DECIMALSMALL . " NOT NULL,
		`taxaustria` INT(1) NULL,
		`productname` VARCHAR( 150 ) NULL,
		`ordertime` DATETIME NULL ,
		`orderuser` INT(10) NOT NULL ,	
		`anoption` VARCHAR( 150 ) NULL ,
		`pricechanged` INT(1) NULL ,
		`togo` INT(1) NULL ,
		`readytime` DATETIME NULL,
		`delivertime` DATETIME NULL,
		`paidtime` DATETIME NULL,
		`billid` INT(10),
		`toremove` INT(3) NOT NULL,
		`cooking` INT(10) NULL,
		`workprinted` INT(2) NOT NULL,
		`isclosed` INT(1) NULL,
		FOREIGN KEY (tablenr) REFERENCES %resttables%(id),
		FOREIGN KEY (pricelevel) REFERENCES %pricelevel%(id),
		FOREIGN KEY (productid) REFERENCES %products%(id),
		FOREIGN KEY (billid) REFERENCES %bill%(id),
		FOREIGN KEY (cooking) REFERENCES %user%(id),
		FOREIGN KEY (orderuser) REFERENCES %user%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createBillProductsTable($pdo) {
		$sql = "
		CREATE TABLE `%billproducts%` (
		`queueid` INT( 10 ) NOT NULL,
		`billid` INT(10) NOT NULL,
		FOREIGN KEY (queueid) REFERENCES %queue%(id),
		FOREIGN KEY (billid) REFERENCES %bill%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createProdimagesTable($pdo) {
		$sql = "
		CREATE TABLE `%prodimages%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`imgh` MEDIUMBLOB,
		`imgm` MEDIUMBLOB,
		`imgl` MEDIUMBLOB
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		try {
			$this->doSQL($pdo,$sql);
		} catch (Exception $ex) {
			// do nothing - the table may already exist (previous installation etc.
		}
	}
	
	function createHistTables($pdo) {
		$sql = "
		CREATE TABLE `%hist%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`date` DATETIME NOT NULL ,
		`action` INT ( 2 ) NOT NULL,
		`refid` INT (10) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb
		";
		$this->doSQL($pdo,$sql);
	
		$sql = "
		CREATE TABLE `%histprod%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`prodid` INT (10) NOT NULL,
		`shortname` VARCHAR ( 150 ) NOT NULL,
		`longname` VARCHAR ( 150 ) NOT NULL,
		`priceA` " . DECIMALSMALL . " NULL,
		`priceB` " . DECIMALSMALL . " NULL,
		`priceC` " . DECIMALSMALL . " NULL,
		`unit` INT(2) NULL,
		`days` VARCHAR(20) NULL,
		`tax` " . DECIMALSMALL . " NULL,
		`taxaustria` INT(1) NULL,
		`sorting` INT(2) NULL,
		`available` INT(2) NOT NULL,
		`favorite` INT(1) NULL,
		`audio` VARCHAR ( 150 ) NULL,
		`prodimageid` INT(10) NULL,
		`extras` VARCHAR ( 300 ) NULL,
		FOREIGN KEY (prodid) REFERENCES %products%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb
		";
		$this->doSQL($pdo,$sql);
	
		$sql = "
		CREATE TABLE `%histconfig%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`configid` INT (10) ,
		`setting` VARCHAR ( 10000 ),
		FOREIGN KEY (configid) REFERENCES %config%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb
		";
		$this->doSQL($pdo,$sql);
	
		$sql = "
		CREATE TABLE `%histuser%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`userid` INT (10) ,
		`username` VARCHAR ( 150 ) NOT NULL,
		`is_admin` INT (1) NOT NULL,
		`right_waiter` INT (1) NOT NULL,
		`right_kitchen` INT (1) NOT NULL,
		`right_bar` INT (1) NOT NULL,
		`right_supply` INT (1) NOT NULL,
		`right_paydesk` INT (1) NOT NULL,
		`right_statistics` INT (1) NOT NULL,
		`right_bill` INT (1) NOT NULL,
		`right_products` INT (1) NOT NULL,
		`right_manager` INT (1) NOT NULL,
		`right_closing` INT (1) NOT NULL,
		`right_dash` INT (1) NOT NULL,
		`right_reservation` INT (1) NOT NULL,
		`right_rating` INT (1) NOT NULL,
		`right_changeprice` INT (1) NOT NULL,
		`right_customers` INT (1) NOT NULL,
		`active` INT (2) NOT NULL,
		FOREIGN KEY (userid) REFERENCES %user%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb
		";
		$this->doSQL($pdo,$sql);
	
		$sql = "
		CREATE TABLE `%histactions%` (
		`id` INT (3) NOT NULL,
		`name` VARCHAR ( 20 ) NOT NULL,
		`description` VARCHAR ( 150 ) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createPrintJobsTable($pdo) {
		$sql = "
		CREATE TABLE `%printjobs%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`content` TEXT NOT NULL ,
		`type` INT (2) NOT NULL ,
		`printer` INT(2) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}
	
	function createWorkTable($pdo) {
		$sql = "
		CREATE TABLE `%work%` (
		`id` INT (10) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`item` VARCHAR ( 20 ) NOT NULL ,
		`value` VARCHAR ( 20 ) NOT NULL ,
		`signature` blob NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
	}

	function getPrivkey($pdo) {
		$sql = "SELECT signature FROM %work% WHERE item=?";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute(array("privkey"));
		$row = $stmt->fetchObject();
		$privkey = $row->signature;
		return(openssl_get_privatekey($privkey));
	}
	
	function signLastBillid($pdo) {
		$sql = "SELECT MAX(id) as maxbillid FROM %bill%";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute();
		$row =$stmt->fetchObject();
		if ($row != null) {
			$lastBillId = $row->maxbillid;
		} else {
			$lastBillId = 0;
		}
		$pkeyid = $this->getPrivkey($pdo);
		$lastBillId = intval($lastBillId);
		openssl_sign("B($lastBillId)", $signature, $pkeyid);
		openssl_free_key($pkeyid);
		$signature = base64_encode($signature);
		
		$sql = "SELECT id FROM %work% WHERE item=?";
		$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
		$stmt->execute(array("lastbillid"));
		if ($stmt->rowCount() > 0) {
			$sql = "UPDATE %work% SET value=?, signature=? WHERE item=?";
			$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
			$stmt->execute(array($lastBillId,$signature,"lastbillid"));
		} else {
			$sql = "INSERT INTO `%work%` (`id` , `item`,`value`,`signature`) VALUES ( NULL,?,?,?)";
			$stmt = $pdo->prepare($this->resolveTablenamesInSqlString($sql));
			$stmt->execute(array("lastbillid",$lastBillId,$signature));
		}
	}
	
	function createHsinTable($pdo) {
		$sql = "
		CREATE TABLE `%hsin%` (
		`id` INT( 10 ) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`reservationid` VARCHAR( 30 ) NULL ,
		`billid` INT(10) NULL,
		`date` VARCHAR( 10 ) NULL,
		`time` VARCHAR( 5 ) NULL,
		`number` INT(10)  NULL,
		`prodid` INT(10)  NULL,
		`prodname` VARCHAR( 100 ) NULL,
		`tax` VARCHAR( 50 ) NULL,
		`brutto` " . DECIMALSMALL .  " NOT NULL,
		`total` " . DECIMALSMALL .  " NOT NULL,
		`currency` VARCHAR( 5 ) NULL,
		`waiterid` VARCHAR( 20 ) NULL,
		`waitername` VARCHAR( 20 ) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}

	function createHsoutTable($pdo) {
		$sql = "
		CREATE TABLE `%hsout%` (
		`id` INT( 10 ) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`reservationid` VARCHAR( 50 ) NULL ,
		`object` VARCHAR( 50 ) NULL ,
		`guest` VARCHAR( 100 ) NULL
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createCommentsTable($pdo) {
		$sql = "
		CREATE TABLE `%comments%` (
		`id` INT( 10 ) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
		`comment` VARCHAR( 150 ) NULL ,
		`prodid` INT (10) NULL ,
		`sorting` INT(2) NULL,
		`active` INT (2) NOT NULL,
		FOREIGN KEY (prodid) REFERENCES %products%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createReservationsTable($pdo) {
		$sql = "
		CREATE TABLE `%reservations%` (
		`id` INT( 10 ) NOT NULL AUTO_INCREMENT PRIMARY KEY,
		`creator` INT (10) NOT NULL,
		`creationdate` DATETIME NOT NULL,
		`scheduledate` DATETIME NOT NULL,
		`name` VARCHAR( 100 ) NULL,
		`email` VARCHAR( 100 ) NULL,
		`starttime` INT (3) NOT NULL,
		`duration` INT (3) NOT NULL,
		`persons` INT (10) NULL,
		`phone` VARCHAR( 40 ) NULL,
		`remark` VARCHAR( 400 ) NULL,
		FOREIGN KEY (creator) REFERENCES %user%(id)
		) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = InnoDb ;
		";
		$this->doSQL($pdo,$sql);
	}
	
	function createEmptyTables($pdo)
	{
		$this->createLogTable($pdo);
		$this->createPaymentTable($pdo);
		$this->createUserTable($pdo);
		$this->createRoomTable($pdo);
		$this->createRestTables($pdo);
		$this->createTableMapsTable($pdo);
		$this->createTablePosTable($pdo);
		$this->createConfigTable($pdo);
		$this->createProdTypeTable($pdo);
		$this->createProdimagesTable($pdo);
		$this->createProductTable($pdo);
		$this->createPriceLevelTable($pdo);
		$this->createClosingTable($pdo);
		$this->createRatingsTable($pdo);
		$this->createCustomersTable($pdo);
		$this->createGroupsTable($pdo);
		$this->createGroupCustomerTable($pdo);
		$this->createVacationsTable($pdo);
		$this->createBillTable($pdo);
		$this->createCustomerLogTable($pdo);
		$this->createQueueTable($pdo);
		$this->createBillProductsTable($pdo);
		$this->createHistTables($pdo);
		$this->createPrintJobsTable($pdo);
		$this->createWorkTable($pdo);
		$this->createCommentsTable($pdo);
		$this->createHsinTable($pdo);
		$this->createHsoutTable($pdo);
		$this->createReservationsTable($pdo);
		$this->createLogoTable($pdo);
		$this->createExtrasTable($pdo);
		$this->createExtrasprodsTable($pdo);
		$this->createQueueExtrasTable($pdo);
		
	}
}
?>