<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004-2026 The Cacti Group                                 |
 |                                                                         |
 | This program is free software; you can redistribute it and/or           |
 | modify it under the terms of the GNU General Public License             |
 | as published by the Free Software Foundation; either version 2          |
 | of the License, or (at your option) any later version.                  |
 |                                                                         |
 | This program is distributed in the hope that it will be useful,         |
 | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
 | GNU General Public License for more details.                            |
 +-------------------------------------------------------------------------+
 | Cacti: The Complete RRDtool-based Graphing Solution                     |
 +-------------------------------------------------------------------------+
 | This code is designed, written, and maintained by the Cacti Group. See  |
 | about.php and/or the AUTHORS file for specific developer information.   |
 +-------------------------------------------------------------------------+
 | http://www.cacti.net/                                                   |
 +-------------------------------------------------------------------------+
*/

/* This is a simple test script to make sure that there are no problems
 * with the installation files
 */

// report all the errors
error_reporting(E_ALL);

// set error handler
set_error_handler('error_handler');

// allow infinite execute
ini_set('max_execution_time', '0');

// define base path of Cacti
define('CACTI_PATH', str_replace('/tests/tools', '', str_replace('\\','/', __DIR__)));

global $config;
$config = ['base_path' => CACTI_PATH];
include_once(CACTI_PATH . '/include/global_path.php');

// pre-flush output buffer to avoid header warning
flush();

/*
 * TEST: include all installation upgrade files
 * This will find function name collisions
 */

print 'TEST: Including all Install upgrade files' . PHP_EOL;
$install_upgrades_dir = CACTI_PATH . '/install/upgrades';
$dh                   = opendir($install_upgrades_dir);

if ($dh === false) {
	throw new Exception('Failed to open directory: ' . $install_upgrades_dir);
}

while (($file = readdir($dh)) !== false) {
	// only include .php files, skip index.php
	if (substr($file, -4) == '.php' && $file != 'index.php') {
		print '  Include File: ' . $install_upgrades_dir . '/' . $file . PHP_EOL;
		require_once($install_upgrades_dir . '/' . $file);
		// confirm upgrade function exists
		$function_name = 'upgrade_to_' . substr($file, 0, -4);

		if (! function_exists($function_name)) {
			throw new Exception('Install upgrade function ' . $function_name . ' not found');
		}
	}
}
closedir($dh);

exit(0);

// Error handler function to cause exception on error and warnings
function error_handler(int $err_number, string $err_string, string $err_file, int $err_line) : bool {
	$msg = $err_string . ' in ' . $err_file . ' on line ' . $err_line;

	if ($err_number == E_NOTICE || $err_number == E_WARNING) {
		throw new ErrorException($msg, $err_number);
	} else {
		print $msg;
	}

	return true;
}