<?php
require_once (__DIR__. '/../dbutils.php');
require_once (__DIR__. '/../globals.php');

class HistFiller {
	var $dbutils;

	function __construct() {
		$this->dbutils = new DbUtils();
	}
	
	
	public function defineHistActions () {
		$pdo = $this->dbutils->openDbAndReturnPdo();
		$sql = "INSERT INTO %histactions% (id,name,description) VALUES (?,?,?)";
		$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
		
		$stmt->execute(array('1', 'ProdInit', 'Initiales Befuellen der Produkttabelle'));
		$stmt->execute(array('2', 'ConfigInit', 'Initiales Befuellen der Konfigurationstabelle'));
		$stmt->execute(array('3', 'UserInit', 'Initiales Befuellen der Benutzertabelle'));
		$stmt->execute(array('4', 'ProdChange', 'Modifikation der Produktdaten'));
		$stmt->execute(array('5', 'ProdCreation', 'Neues Produkt'));
		$stmt->execute(array('6', 'ConfigChange', 'Modifikation der Konfiguration'));
		$stmt->execute(array('7', 'UserCreation', 'Neuer Benutzer'));
		$stmt->execute(array('8', 'UserChange', 'Modifikation eines Benutzers'));
		$stmt->execute(array('9', 'DbSave', 'Komplettsicherung der Datenbank'));
		$stmt->execute(array('10', 'DbRestore', 'Wiederherstellung der Datenbank aus einer Sicherungskopie'));
	}
	
	public function readUserTableAndSendToHist() {
		$sql = "SELECT * FROM %user%";
		$this->readSqlUserTableAndSendToHist($sql,'3');
	}
	
	public function updateOneUser($userid) {
		$sql = "SELECT * FROM %user% WHERE id='$userid'";
		$this->readSqlUserTableAndSendToHist($sql,'8');
	}
	
	/*
	 * Read the complete user table and fill in these values to the histtable
	 */
	private function readSqlUserTableAndSendToHist($sql_query, $histaction) {
		$sql_insert_histuser = "INSERT INTO %histuser% (id,userid,username,
		is_admin,right_waiter,right_kitchen,right_bar,right_supply,right_paydesk,right_statistics,
		right_bill,right_products,right_reservation,right_manager,active) VALUES (
		NULL,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
	
		$pdo = $this->dbutils->openDbAndReturnPdo();
		$pdo->beginTransaction();
	
		$stmt_query = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql_query));
		$stmt_insert_histuser = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql_insert_histuser));
	
		$stmt_query->execute();
		$result = $stmt_query->fetchAll();
		foreach($result as $row){
			$stmt_insert_histuser->execute(array($row['id'], $row['username'],
					$row['is_admin'],$row['right_waiter'],$row['right_kitchen'],$row['right_bar'],
					$row['right_supply'],$row['right_paydesk'],$row['right_statistics'],$row['right_bill'],
					$row['right_products'],$row['right_reservation'],$row['right_manager'],$row['active']));
			$newRefIdForHist = $pdo->lastInsertId();
			$this->insertIntoHist($pdo, $histaction, $newRefIdForHist);
		}
		$pdo->commit();
	}
	
	public function updateUserInHist($userid,$username,
			$isAdmin,$rWaiter,$rKitchen,$rBar,$rSupply,$rPayDesk,$rStat,$rBill,$rProducts,$rReservation,$rRat,$rChangeprice,$rManager,$active)
	{
		$this->updateOrCreateUserInHist($userid,$username,
				$isAdmin,$rWaiter,$rKitchen,$rBar,$rSupply,$rPayDesk,$rStat,
				$rBill,$rProducts,$rReservation,$rRat,$rChangeprice,$rManager,$active,'8');
	}
	
	public function createUserInHist($lastId,$username,
		$isAdmin,$rWaiter,$rKitchen,$rBar,$rSupply,$rPayDesk,$rStat,$rBill,$rProducts,$rRes,$rRat,$rChangeprice,$rManager)
		{
			$this->updateOrCreateUserInHist($lastId,$username,
				$isAdmin,$rWaiter,$rKitchen,$rBar,$rSupply,$rPayDesk,$rStat,
				$rBill,$rProducts,$rRes,$rRat,$rChangeprice,$rManager,'1','7');
		}
	
	public function updateOrCreateUserInHist($id,$username,
		$isAdmin,$rWaiter,$rKitchen,$rBar,$rSupply,$rPayDesk,$rStat,$rBill,$rProducts,$rRes,$rRat,$rChangeprice,$rManager, 
			$active,$histaction) {
		
		$sql_insert_histuser = "INSERT INTO %histuser% (`id` , `userid`, `username` , 
		`is_admin`, `right_waiter`,`right_kitchen`,`right_bar`,`right_supply`,`right_paydesk`,
		`right_statistics`,`right_bill`,`right_products`,`right_reservation`,`right_rating`,`right_changeprice`,`right_manager`,`active`) VALUES (
		NULL,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
		
		$pdo = $this->dbutils->openDbAndReturnPdo();
		$pdo->beginTransaction();
		$stmt_insert_histuser = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql_insert_histuser));
		$stmt_insert_histuser->execute(array($id,$username,
			$isAdmin,$rWaiter,$rKitchen,$rBar,$rSupply,$rPayDesk,$rStat,$rBill,$rProducts,$rRes,$rRat,$rChangeprice,$rManager, 
			$active));
		$newRefIdForHist = $pdo->lastInsertId();
		$this->insertIntoHist($pdo, $histaction, $newRefIdForHist);
		$pdo->commit();
	}
	
	public function insertSaveHistEntry($pdo) {
		$this->insertIntoHist($pdo, 9, null);
	}
	
	public function insertRestoreHistEntry($pdo) {
		$this->insertIntoHist($pdo, 10, null);
	}
	
	public function readAllProdsAndFillHistByDb($pdo) {

		$sql = "SELECT id FROM %products% WHERE removed is null";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array());
		$result = $stmt->fetchAll();
		
		foreach ($result as $aProd) {
			$prodid = $aProd["id"];

			$sql = "SELECT GROUP_CONCAT(%extras%.name) as extraslist FROM %extras%,%extrasprods% WHERE %extrasprods%.prodid=? AND %extrasprods%.extraid=%extras%.id";
			$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
			$stmt->execute(array($prodid));
			$row =$stmt->fetchObject();
			$extrasList = $row->extraslist;
			
			$sql = "INSERT INTO %histprod% (id,prodid,shortname,longname,priceA,priceB,priceC,tax,sorting,available,extras) ";
			$sql .= "SELECT null,id as prodid,shortname,longname,priceA,priceB,priceC,tax,sorting,available,'$extrasList' as extras FROM %products% ";
			$sql .= "WHERE %products%.id=?";
			$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
			$stmt->execute(array($prodid));
			
			$newRefIdForHist = $pdo->lastInsertId();
			$this->insertIntoHist($pdo, '1', $newRefIdForHist);
		}
	}
	
	/*
	 * Read the complete products table and fill in these values to the histtable
	*/
	public function readProdTableAndSendToHist($pdo) {
		$sql_query = "SELECT * FROM %products% WHERE removed is null";
		
		$sql_insert_histprod = "INSERT INTO %histprod% (id,prodid,shortname,longname,
		priceA,priceB,priceC,tax,sorting,available,favorite) VALUES (
		NULL,?,?,?,?,?,?,?,?,?,?)";
	
		$stmt_query = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql_query));
		$stmt_insert_histprod = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql_insert_histprod));
	
		$stmt_query->execute();
		$result = $stmt_query->fetchAll();
		foreach($result as $row){
			$stmt_insert_histprod->execute(array($row['id'], $row['shortname'],
					$row['longname'],$row['priceA'],$row['priceB'],$row['priceC'],
					$row['tax'],$row['sorting'],$row['available'],'0'));
			$newRefIdForHist = $pdo->lastInsertId();
			$this->insertIntoHist($pdo, '1', $newRefIdForHist);
		}
	}

	public function updateProdInHist($pdo,$prodid,$shortname,$longname,
			$priceA,$priceB,$priceC,$tax,$sorting,$available,$audioFile,$favorite,$histextra) {
		$this->updateOrCreateProdInHist($pdo,$prodid,$shortname,$longname,
				$priceA,$priceB,$priceC,$tax,$sorting,$available, '4',$audioFile,$favorite,$histextra);
	}
	
	public function createProdInHist($pdo,$prodid,$shortname,$longname,
			$priceA,$priceB,$priceC,$tax,$sorting,$available,$audioFile,$favorite) {
		$this->updateOrCreateProdInHist($pdo,$prodid,$shortname,$longname,
				$priceA,$priceB,$priceC,$tax,$sorting,$available, '5',$audioFile,$favorite,null);
	}
	
	public function updateOrCreateProdInHist($pdo,$prodid,$shortname,$longname,
		$priceA,$priceB,$priceC,$tax,$sorting,$available, $histaction,$audioFile,$favorite,$histextra) {

		$sql_insert_histprod = "INSERT INTO %histprod% (id,prodid,shortname,longname,
		priceA,priceB,priceC,tax,sorting,available,audio,favorite,extras) VALUES (
		NULL,?,?,?,?,?,?,?,?,?,?,?,?)";
		
		if (is_null($pdo)) {
			$pdo = $this->dbutils->openDbAndReturnPdo();
		}
		$stmt_insert_histprod = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql_insert_histprod));
		$stmt_insert_histprod->execute(array($prodid,$shortname,$longname,
			$priceA,$priceB,$priceC,$tax,$sorting,$available,$audioFile,$favorite,$histextra));
		$newRefIdForHist = $pdo->lastInsertId();
		$this->insertIntoHist($pdo, $histaction, $newRefIdForHist);
	}
	
	public function updateConfigInHist($pdo,$theItem, $theValue) {
		$sql_find_id = "SELECT id FROM %config% WHERE name='$theItem'";
		
		$sql_insert_histconfig = "INSERT INTO %histconfig% (id,configid,setting) VALUES (NULL,?,?)";
		
		$pdo->beginTransaction();
		
		$stmt_query = $pdo->query(DbUtils::substTableAlias($sql_find_id));
		$row =$stmt_query->fetchObject();
		$theConfigId = $row->id;
		
		$stmt_insert_histconfig = $pdo->prepare(DbUtils::substTableAlias($sql_insert_histconfig));
		$stmt_insert_histconfig->execute(array($theConfigId,"$theValue"));
		$newRefIdForHist = $pdo->lastInsertId();
		$this->insertIntoHist($pdo, '6', $newRefIdForHist);
		$pdo->commit();
	}
	/*
	 * Read the complete config table and fill in these values to the histtable
	*/
	public function readConfigTableAndSendToHist() {
		$sql_query = "SELECT * FROM %config%";
	
		$sql_insert_histconfig = "INSERT INTO %histconfig% (id,configid,setting) VALUES (
		NULL,?,?)";
	
		$pdo = $this->dbutils->openDbAndReturnPdo();
		$pdo->beginTransaction();
	
		$stmt_query = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql_query));
		$stmt_insert_histconfig = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql_insert_histconfig));
	
		$stmt_query->execute();
		$result = $stmt_query->fetchAll();
		foreach($result as $row){
			$stmt_insert_histconfig->execute(array($row['id'],$row['setting']));
			$newRefIdForHist = $pdo->lastInsertId();
			$this->insertIntoHist($pdo, '2', $newRefIdForHist);
		}
		$pdo->commit();
	}
	
	private function insertIntoHist($pdo,$action,$refIdForHist) {
		date_default_timezone_set(DbUtils::getTimeZone());
		$currentTime = date('Y-m-d H:i:s');
		$sql_insert_hist = "INSERT INTO %hist% (id,date,action,refid) VALUES (NULL,?,?,?)";
		$stmt_insert_hist = $pdo->prepare(DbUtils::substTableAlias($sql_insert_hist));
		$stmt_insert_hist->execute(array($currentTime, $action, $refIdForHist));
	}
}

?>