<?php

require_once 'dbutils.php';
require_once 'config.php';

class Tables {
	public static function gettables($pdo) {
		$sql = "SELECT value FROM %ossystem% WHERE item=?";
		$result = DbUtils::fetchSqlAll($pdo, $sql, array('resttables'));
		
		if (is_null($result) || (count($result) == 0)) {
			return array("status" => "ERROR","msg" => "Keine Tischdefinition hinterlegt.");
		}
		
		if (is_null($result[0]["value"])) {
			return array("status" => "ERROR","msg" => "Keine Tischdefinition hinterlegt oder Tische für die Gastbestellung nicht eingerichtet.");
		}
		
		$tables = json_decode($result[0]["value"], true);
		
		
		
		$tablesArr = array();
		foreach ($tables as $t) {
			$tablesArr[] = array("id" => $t["id"],"name" => $t["name"]);
		}
		
		$currency = "";
		$decpoint = ".";
		
		$result = DbUtils::fetchSqlAll($pdo, $sql, array('currency'));
		if (count($result) > 0) {
			$currency = $result[0]["value"];
		}
		$result = DbUtils::fetchSqlAll($pdo, $sql, array('decpoint'));
		if (count($result) > 0) {
			$decpoint = $result[0]["value"];
		}
		
		return array("status" => "OK","msg" => $tablesArr,"currency" => $currency,"decpoint" => $decpoint, "timeout" => TIMEOUT);
	}
	
	public static function checkcodes($pdo,$tableid,$tablecode,$dailycode) {
		$tablecode = trim($tablecode);
		$dailycode = trim($dailycode);
		$sql = "SELECT value FROM %ossystem% WHERE item=?";
		$result = DbUtils::fetchSqlAll($pdo, $sql, array('resttables'));
		
		if (count($result) == 0) {
			return array("status" => "ERROR","msg" => "Keine Tischdefinition hinterlegt.");
		}
		
		$resttables = $result[0];
		$tables = json_decode($resttables["value"], true);
		
		foreach ($tables as $t) {
			if ($t["id"] == $tableid) {
				if (trim($t["code"]) == $tablecode) {
					break;
				} else {
					return array("status" => "ERROR","msg" => "Falscher Tischcode!");
				}
			}
		}
		
		$sql = "SELECT value FROM %ossystem% WHERE item=?";
		$result = DbUtils::fetchSqlAll($pdo, $sql, array('dailycode'));
		
		if (count($result) == 0) {
			return array("status" => "ERROR","msg" => "Keine Tageslosung wurde hinterlegt.");
		}
		
		$dailycodeInDb = trim($result[0]["value"]);
		if ($dailycode == $dailycodeInDb) {
			return array("status" => "OK");
		} else {
			return array("status" => "ERROR","msg" => "Falsche Tageslosung angegeben!");
		}
	}
}

if (isset($_GET["command"])) {
	$command = $_GET["command"];
	
	$pdo = DbUtils::openDbAndReturnPdoStatic();
	
	switch ($command) {
		case "gettables":
			$ret = Tables::gettables($pdo);
			echo json_encode($ret);
			break;
		case "checkcodes":
			$ret = Tables::checkcodes($pdo,$_POST["tableid"],$_POST["tablecode"],$_POST["dailycode"]);
			echo json_encode($ret);
			break;
		default:
			break;
	}
}