<?PHP
function db_ex_imp($ts3,$mysqlcon,$lang,$cfg,$dbname,&$db_cache) {
	$starttime = microtime(true);
	#enter_logfile(5,"  started DB Export");

	if (in_array(intval($db_cache['job_check']['database_export']['timestamp']), [1,2])) {

		enter_logfile(4,"DB Export job(s) started");

		$err = 0;

		if($mysqlcon->exec("UPDATE `$dbname`.`job_check` SET `timestamp`='2' WHERE `job_name`='database_export';") === false) {
			$err++;
			enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
		} else {
			$db_cache['job_check']['database_export']['timestamp'] = 2;
			enter_logfile(4,"  Started job '".$lang['wihladmex']."'");
		}

		$datetime = date("Y-m-d_H-i-s", time());
		$filepath = $GLOBALS['logpath'].'db_export_'.$datetime;
		$filename = 'db_export_'.$datetime;
		$limit_entries = 10000;

		if (($tables = $mysqlcon->query("SHOW TABLES")->fetchALL(PDO::FETCH_UNIQUE|PDO::FETCH_ASSOC)) === false) {
			$err++;
			enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
		} else {
			
			$dump = fopen($filepath.".sql", 'a');
			fwrite($dump, "-- Ranksystem SQL Export\n-- from $datetime\n\nSTART TRANSACTION;\n\n");
			fclose($dump);

			foreach ($tables as $table => $value) {
				$out = '';
				if(substr($table, 0, 4) == 'bak_') continue;
				#if($table == 'user_snapshot') continue;
				if (($numColumns = $mysqlcon->query("SELECT * FROM `$dbname`.`$table` LIMIT 1")->columnCount()) === false) {
					$err++;
					enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
				}
				
				$out .= 'DROP TABLE IF EXISTS `' . $table . '`;' . "\n\n";
				
				if (($create_table = $mysqlcon->query("SHOW CREATE TABLE `$dbname`.`$table`")->fetch(PDO::FETCH_ASSOC)) === false) {
					$err++;
					enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
				}
				$out .= $create_table['Create Table'] . ';' . "\n\n";
				
				if (($maxvalues = $mysqlcon->query("SELECT COUNT(*) FROM `$dbname`.`$table`;")->fetch()) === false) {
					$err++;
					enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
				}

				$dump = fopen($filepath.".sql", 'a');
				fwrite($dump, $out);
				fclose($dump);

				unset($out);

				$loops = $maxvalues[0] / $limit_entries;
				for ($i = 0; $i <= $loops; $i++) {
					$out = '';
					$offset = $i * $limit_entries;
					if (($sqldata = $mysqlcon->query("SELECT * FROM `$dbname`.`$table` LIMIT {$limit_entries} OFFSET {$offset}")->fetchALL(PDO::FETCH_NUM)) === false) {
						$err++;
						enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
					}

					if(count($sqldata) != 0) {
						$out .= "INSERT INTO `$table` VALUES";
						foreach ($sqldata as $row) {
							$out .= "(";
							for ($j = 0; $j < $numColumns; $j++) {
								if (isset($row[$j])) {
									$out .= $mysqlcon->quote(($row[$j]), ENT_QUOTES);
								} else {
									$out .= '""';
								}
								if ($j < ($numColumns - 1)) {
									$out .= ',';
								}
							}
							$out .= '),';
						}
						$out = substr($out,0,-1);
						$out .= ";";
					}
					$out .= "\n\n";

					$dump = fopen($filepath.".sql", 'a');
					fwrite($dump, $out);
					fclose($dump);

					unset($out, $sqldata);
					
					if (($job_status = $mysqlcon->query("SELECT `timestamp` FROM `$dbname`.`job_check` WHERE `job_name`='database_export';")->fetch(PDO::FETCH_ASSOC)) === false) {
						$err++;
						enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
					} elseif($job_status['timestamp'] == 3) {
						$db_cache['job_check']['database_export']['timestamp'] = 3;
						enter_logfile(4,"DB Export job(s) canceled by request");
						$dump = fopen($filepath.".sql", 'a');
						fwrite($dump, "\nROLLBACK;\n\n-- Canceled export");
						fclose($dump);
						return;
					}
				}
			}
			
			$dump = fopen($filepath.".sql", 'a');
			fwrite($dump, "COMMIT;\n\n-- Finished export");
			fclose($dump);

			$zip = new ZipArchive();
			if ($zip->open($filepath.".sql.zip", ZipArchive::CREATE)!==TRUE) {
				$err++;
				enter_logfile(2,"  Cannot create $filepath.sql.zip!");
			} else {
				$zip->addFile($filepath.".sql",$filename.".sql");
				if(version_compare(phpversion(), '7.2', '>=') && version_compare(phpversion("zip"), '1.2.0', '>=')) {
					try {
						$zip->setEncryptionName($filename.".sql", ZipArchive::EM_AES_256, $cfg['teamspeak_query_pass']);
					} catch (Exception $e) {
						enter_logfile(2,"  Error due creating secured zip-File: ".$e->getCode().': '.$e->getMessage(). " ..Update PHP to Version 7.2 or above and update libzip to version 1.2.0 or above.");
					}
				}
				$zip->close();
				if(!unlink($filepath.".sql")) {
					$err++;
					enter_logfile(2,"  Cannot remove SQL file $filepath.sql!");
				}
			}
		}

		if ($err == 0) {
			if($mysqlcon->exec("UPDATE `$dbname`.`job_check` SET `timestamp`='4' WHERE `job_name`='database_export';") === false) {
				enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
			} else {
				$db_cache['job_check']['database_export']['timestamp'] = 4;
				enter_logfile(4,"  Finished job '".$lang['wihladmex']."'");
			}
		} else {
			if($mysqlcon->exec("UPDATE `$dbname`.`job_check` SET `timestamp`='3' WHERE `job_name`='database_export';") === false) {
				enter_logfile(2,"  Executing SQL commands failed: ".print_r($mysqlcon->errorInfo(), true));
			} else {
				$db_cache['job_check']['database_export']['timestamp'] = 3;
			}
		}

		enter_logfile(4,"DB Export job(s) finished");
	}
	enter_logfile(6,"db_ex_imp needs: ".(number_format(round((microtime(true) - $starttime), 5),5)));
}
?>