#!/usr/bin/env php
<?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/                                                   |
 +-------------------------------------------------------------------------+
*/

require(__DIR__ . '/../include/cli_check.php');
require_once(CACTI_PATH_LIBRARY . '/api_data_source.php');
require_once(CACTI_PATH_LIBRARY . '/poller.php');
require_once(CACTI_PATH_LIBRARY . '/utility.php');
require_once(CACTI_PATH_LIBRARY . '/template.php');

// switch to main database for cli's
if (POLLER_ID > 1) {
	db_switch_remote_to_main();
}

// process calling arguments
$parms = $_SERVER['argv'];
array_shift($parms);

unset($host_id);
unset($graph_template_id);
unset($data_template_id);

foreach ($parms as $parameter) {
	if (str_contains($parameter, '=')) {
		[$arg, $value] = explode('=', $parameter, 2);
	} else {
		$arg   = $parameter;
		$value = '';
	}

	switch ($arg) {
		case '--host-id':
			$host_id = trim($value);

			if (!is_numeric($host_id)) {
				print 'ERROR: You must supply a valid host-id to run this script!' . PHP_EOL;

				exit(1);
			}

			break;
		case '--data-template-id':
			$data_template_id = $value;

			if (!is_numeric($data_template_id)) {
				print 'ERROR: You must supply a numeric data-template-id!' . PHP_EOL;

				exit(1);
			}

			break;
		case '--version':
		case '-V':
		case '-v':
			display_version();

			exit(0);
		case '--help':
		case '-H':
		case '-h':
			display_help();

			exit(0);

		default:
			print 'ERROR: Invalid Parameter ' . $parameter . PHP_EOL . PHP_EOL;
			display_help();

			exit(1);
	}
}

if (!isset($host_id)) {
	print 'ERROR: You must supply a valid host-id!' . PHP_EOL;

	exit(1);
}

if (!isset($data_template_id)) {
	print 'ERROR: You must supply a valid data-template-id!' . PHP_EOL;

	exit(1);
}

// Following code was copied from data_sources.php->function form_save->save_component_data_source_new

$save['id']               = '0';
$save['data_template_id'] = $data_template_id;
$save['host_id']          = $host_id;

$local_data_id = sql_save($save, 'data_local');

change_data_template($local_data_id, $data_template_id);

// update the title cache
update_data_source_title_cache($local_data_id);

// update host data
if (!empty($host_id)) {
	push_out_host($host_id, $local_data_id);
}

print "DS Added - DS[$local_data_id]" . PHP_EOL;

/**
 * display_version - displays version information
 *
 * @return void
 */
function display_version() : void {
	$version = get_cacti_cli_version();
	print "Cacti Add Data Source, Version $version, " . COPYRIGHT_YEARS . PHP_EOL;
}

/**
 * display_help - displays help information
 *
 * @return void
 */
function display_help() : void {
	display_version();

	print PHP_EOL;
	print 'usage: add_datasource.php --host-id=[ID] --data-template-id=[ID]' . PHP_EOL . PHP_EOL;
	print 'Cacti utility for adding datasources via a command line interface.' . PHP_EOL . PHP_EOL;
	print '--host-id=id - The host id' . PHP_EOL;
	print '--data-template-id=id - The numerical ID of the data template to be added' . PHP_EOL;
}