<?php
/*
	FusionPBX
	Version: MPL 1.1

	The contents of this file are subject to the Mozilla Public License Version
	1.1 (the "License"); you may not use this file except in compliance with
	the License. You may obtain a copy of the License at
	http://www.mozilla.org/MPL/

	Software distributed under the License is distributed on an "AS IS" basis,
	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
	for the specific language governing rights and limitations under the
	License.

	The Original Code is FusionPBX

	The Initial Developer of the Original Code is
	Mark J Crane <markjcrane@fusionpbx.com>
	Portions created by the Initial Developer are Copyright (C) 2010-2024
	the Initial Developer. All Rights Reserved.

	Contributor(s):
	Mark J Crane <markjcrane@fusionpbx.com>
	James Rose <james.o.rose@gmail.com>
	Luis Daniel Lucio Quiroz <dlucio@okay.com.mx>
*/

//includes files
	require_once dirname(__DIR__, 2) . "/resources/require.php";
	require_once "resources/check_auth.php";

//check permissions
	if (permission_exists('ring_group_add') || permission_exists('ring_group_edit')) {
		//access granted
	}
	else {
		echo "access denied";
		exit;
	}

//connect to database
	$database = database::new();

//create the settings object
	$settings = new settings(['database' => $database, 'domain_uuid' => $_SESSION['domain_uuid'] ?? '', 'user_uuid' => $_SESSION['user_uuid'] ?? '']);

//add multi-lingual support
	$language = new text;
	$text = $language->get();

//set the defaults
	$ring_group_strategy = '';
	$ring_group_name = '';
	$ring_group_extension = '';
	$ring_group_caller_id_name = '';
	$ring_group_caller_id_number = '';
	$ring_group_distinctive_ring = '';
	$ring_group_missed_call_app = '';
	$ring_group_missed_call_data = '';
	$ring_group_forward_destination = '';
	$ring_group_forward_toll_allow = '';
	$ring_group_description = '';
	$ring_group_ringback = $settings->get('ring_group', 'default_ringback', '');
	$onkeyup = '';

//initialize the destinations object
	$destination = new destinations;

//get total domain ring group count
	$sql = "select count(*) from v_ring_groups ";
	$sql .= "where domain_uuid = :domain_uuid ";
	$parameters['domain_uuid'] = $domain_uuid;
	$total_ring_groups = $database->select($sql, $parameters ?? null, 'column');
	unset($sql, $parameters);

//get the domain_uuid
	$domain_uuid = $_SESSION['domain_uuid'];
	$domain_name = $_SESSION['domain_name'];

//action add or update
	if (!empty($_REQUEST["id"]) || !empty($_REQUEST["ring_group_uuid"])) {
		$action = "update";

		//get the ring_group_uuid
		$ring_group_uuid = $_REQUEST["id"];
		if (!empty($_REQUEST["ring_group_uuid"])) {
			$ring_group_uuid = $_REQUEST["ring_group_uuid"];
		}

		//get the domain_uuid
		if (is_uuid($ring_group_uuid) && permission_exists('ring_group_all')) {
			$sql = "select r.domain_uuid, d.domain_name ";
			$sql .= "from v_ring_groups as r, v_domains as d ";
			$sql .= "where ring_group_uuid = :ring_group_uuid ";
			$sql .= "and r.domain_uuid = d.domain_uuid ";
			$parameters['ring_group_uuid'] = $ring_group_uuid;
			$row = $database->select($sql, $parameters, 'row');
			$domain_uuid = $row['domain_uuid'];
			$domain_name = $row['domain_name'];
			unset($sql, $parameters);
		}
	}
	else {
		$action = "add";
	}

//delete the user from the ring group
	if ((!empty($_GET["a"])) == "delete"
		&& is_uuid($_REQUEST["user_uuid"])
		&& permission_exists("ring_group_edit")) {
			//set the variables
			$user_uuid = $_REQUEST["user_uuid"];

			//build array
			$array['ring_group_users'][0]['domain_uuid'] = $domain_uuid;
			$array['ring_group_users'][0]['ring_group_uuid'] = $ring_group_uuid;
			$array['ring_group_users'][0]['user_uuid'] = $user_uuid;

			//grant temporary permissions
			$p = permissions::new();
			$p->add('ring_group_user_delete', 'temp');

			//execute delete
			$database->app_name = 'ring_groups';
			$database->app_uuid = '1d61fb65-1eec-bc73-a6ee-a6203b4fe6f2';
			$database->delete($array);
			unset($array);

			//revoke temporary permissions
			$p->delete('ring_group_user_delete', 'temp');

			//save the message to a session variable
			message::add($text['message-delete']);

			//redirect the browser
			header("Location: ring_group_edit.php?id=$ring_group_uuid");
			exit;
	}

//get total ring group count from the database, check limit, if defined
	if ($action == 'add' && $settings->get('limit', 'ring_groups', '') ?? '') {
		$sql = "select count(*) from v_ring_groups ";
		$sql .= "where domain_uuid = :domain_uuid ";
		$parameters['domain_uuid'] = $domain_uuid;
		$total_ring_groups = $database->select($sql, $parameters, 'column');
		unset($sql, $parameters);

		if (is_numeric($settings->get('limit', 'ring_groups', '')) && $total_ring_groups >= $settings->get('limit', 'ring_groups', '')) {
			message::add($text['message-maximum_ring_groups'].' '.$settings->get('limit', 'ring_groups', ''), 'negative');
			header('Location: ring_groups.php');
			exit;
		}
	}

//get http post variables and set them to php variables
	if (count($_POST) > 0) {

		//process the http post data by submitted action
			if (!empty($_POST['action']) && is_uuid($ring_group_uuid)) {
				$array[0]['checked'] = 'true';
				$array[0]['uuid'] = $ring_group_uuid;

				switch ($_POST['action']) {
					case 'copy':
						if (permission_exists('ring_group_add')) {
							$obj = new ring_groups;
							$obj->copy($array);
						}
						break;
					case 'delete':
						if (permission_exists('ring_group_delete')) {
							$obj = new ring_groups;
							$obj->delete($array);
						}
						break;
				}

				header('Location: ring_groups.php');
				exit;
			}

		//set variables from http values
			$ring_group_name = $_POST["ring_group_name"];
			$ring_group_extension = $_POST["ring_group_extension"];
			$ring_group_greeting = $_POST["ring_group_greeting"];
			$ring_group_strategy = $_POST["ring_group_strategy"];
			$ring_group_destinations = $_POST["ring_group_destinations"];
			$ring_group_timeout_action = $_POST["ring_group_timeout_action"];
			$ring_group_call_timeout = $_POST["ring_group_call_timeout"];
			$ring_group_caller_id_name = $_POST["ring_group_caller_id_name"];
			$ring_group_caller_id_number = $_POST["ring_group_caller_id_number"];
			$ring_group_cid_name_prefix = $_POST["ring_group_cid_name_prefix"] ?? null;
			$ring_group_cid_number_prefix = $_POST["ring_group_cid_number_prefix"] ?? null;
			$ring_group_distinctive_ring = $_POST["ring_group_distinctive_ring"];
			$ring_group_ringback = $_POST["ring_group_ringback"];
			$ring_group_call_screen_enabled = $_POST["ring_group_call_screen_enabled"];
			$ring_group_call_forward_enabled = $_POST["ring_group_call_forward_enabled"];
			$ring_group_follow_me_enabled = $_POST["ring_group_follow_me_enabled"];
			$ring_group_missed_call_app = $_POST["ring_group_missed_call_app"];
			$ring_group_missed_call_data = $_POST["ring_group_missed_call_data"];
			$ring_group_forward_enabled = $_POST["ring_group_forward_enabled"];
			$ring_group_forward_destination = $_POST["ring_group_forward_destination"];
			$ring_group_forward_toll_allow = $_POST["ring_group_forward_toll_allow"];
			$ring_group_enabled = $_POST["ring_group_enabled"] ?? 'false';
			$ring_group_description = $_POST["ring_group_description"];
			$dialplan_uuid = $_POST["dialplan_uuid"] ?? null;
			//$ring_group_timeout_action = "transfer:1001 XML default";
			$ring_group_timeout_array = explode(":", $ring_group_timeout_action);
			$ring_group_timeout_app = array_shift($ring_group_timeout_array);
			$ring_group_timeout_data = join(':', $ring_group_timeout_array);
			$destination_number = $_POST["destination_number"] ?? null;
			$destination_description = $_POST["destination_description"] ?? null;
			$destination_delay = $_POST["destination_delay"] ?? null;
			$destination_timeout = $_POST["destination_timeout"] ?? null;
			$destination_prompt = $_POST["destination_prompt"] ?? null;
			$ring_group_destinations_delete = $_POST["ring_group_destinations_delete"] ?? null;

		//set the context for users that do not have the permission
			if (permission_exists('ring_group_context')) {
				$ring_group_context = $_POST["ring_group_context"];
			}
			else if ($action == 'add') {
				$ring_group_context = $domain_name;
			}

		//if the user doesn't have the correct permission then
		//override domain_uuid and ring_group_context values
			if ($action == 'update' && is_uuid($ring_group_uuid)) {
				$sql = "select * from v_ring_groups ";
				$sql .= "where  ring_group_uuid = :ring_group_uuid ";
				$parameters['ring_group_uuid'] = $ring_group_uuid;
				$row = $database->select($sql, $parameters, 'row');
				if (!empty($row)) {
					//if (!permission_exists(‘ring_group_domain')) {
					//	$domain_uuid = $row["domain_uuid"];
					//}
					if (!permission_exists('ring_group_context')) {
						$ring_group_context = $row["ring_group_context"];
					}
				}
				unset($sql, $parameters, $row);
			}

	}

//assign the user to the ring group
	if (!empty($_REQUEST["user_uuid"]) && is_uuid($_REQUEST["id"]) && $_GET["a"] != "delete" && permission_exists("ring_group_edit")) {
		//set the variables
		$user_uuid = $_REQUEST["user_uuid"];

		//build array
		$array['ring_group_users'][0]['ring_group_user_uuid'] = uuid();
		$array['ring_group_users'][0]['domain_uuid'] = $domain_uuid;
		$array['ring_group_users'][0]['ring_group_uuid'] = $ring_group_uuid;
		$array['ring_group_users'][0]['user_uuid'] = $user_uuid;

		//grant temporary permissions
		$p = permissions::new();
		$p->add('ring_group_user_add', 'temp');

		//execute delete
		$database->app_name = 'ring_groups';
		$database->app_uuid = '1d61fb65-1eec-bc73-a6ee-a6203b4fe6f2';
		$database->save($array);
		unset($array);

		//revoke temporary permissions
		$p->delete('ring_group_user_add', 'temp');

		//set message
		message::add($text['message-add']);

		//redirect the browser
		header("Location: ring_group_edit.php?id=".urlencode($ring_group_uuid));
		exit;
	}

//process the HTTP POST
	if (count($_POST) > 0 && empty($_POST["persistformvar"])) {

		//validate the token
			$token = new token;
			if (!$token->validate($_SERVER['PHP_SELF'])) {
				message::add($text['message-invalid_token'],'negative');
				header('Location: ring_groups.php');
				exit;
			}

		//check for all required data
			$msg = '';
			if (empty($ring_group_name)) { $msg .= $text['message-name']."<br>\n"; }
			if (empty($ring_group_extension)) { $msg .= $text['message-extension']."<br>\n"; }
			//if (empty($ring_group_greeting)) { $msg .= $text['message-greeting']."<br>\n"; }
			if (empty($ring_group_strategy)) { $msg .= $text['message-strategy']."<br>\n"; }
			if (empty($ring_group_call_timeout)) { $msg .= $text['message-call_timeout']."<br>\n"; }
			//if (empty($ring_group_timeout_app)) { $msg .= $text['message-timeout_action']."<br>\n"; }
			//if (empty($ring_group_cid_name_prefix)) { $msg .= "Please provide: Caller ID Name Prefix<br>\n"; }
			//if (empty($ring_group_cid_number_prefix)) { $msg .= "Please provide: Caller ID Number Prefix<br>\n"; }
			//if (empty($ring_group_ringback)) { $msg .= "Please provide: Ringback<br>\n"; }
			//if (empty($ring_group_description)) { $msg .= "Please provide: Description<br>\n"; }
			if (!empty($msg) && empty($_POST["persistformvar"])) {
				require_once "resources/header.php";
				require_once "resources/persist_form_var.php";
				echo "<div align='center'>\n";
				echo "<table><tr><td>\n";
				echo $msg."<br />";
				echo "</td></tr></table>\n";
				persistformvar($_POST);
				echo "</div>\n";
				require_once "resources/footer.php";
				return;
			}

		//prep missed call values for db insert/update
			switch ($ring_group_missed_call_app) {
				case 'email':
					$ring_group_missed_call_data = str_replace(';',',',$ring_group_missed_call_data);
					$ring_group_missed_call_data = str_replace(' ','',$ring_group_missed_call_data);
					if (substr_count($ring_group_missed_call_data, ',') > 0) {
						$ring_group_missed_call_data_array = explode(',', $ring_group_missed_call_data);
						foreach ($ring_group_missed_call_data_array as $array_index => $email_address) {
							if (!valid_email($email_address)) { unset($ring_group_missed_call_data_array[$array_index]); }
						}
						if (sizeof($ring_group_missed_call_data_array) > 0) {
							$ring_group_missed_call_data = implode(',', $ring_group_missed_call_data_array);
						}
						else {
							unset($ring_group_missed_call_app, $ring_group_missed_call_data);
						}
					}
					else {
						if (!valid_email($ring_group_missed_call_data)) {
							unset($ring_group_missed_call_app, $ring_group_missed_call_data);
						}
					}
					break;
				case 'text':
					$ring_group_missed_call_data = str_replace('-','',$ring_group_missed_call_data);
					$ring_group_missed_call_data = str_replace('.','',$ring_group_missed_call_data);
					$ring_group_missed_call_data = str_replace('(','',$ring_group_missed_call_data);
					$ring_group_missed_call_data = str_replace(')','',$ring_group_missed_call_data);
					$ring_group_missed_call_data = str_replace(' ','',$ring_group_missed_call_data);
					if (!is_numeric($ring_group_missed_call_data)) { unset($ring_group_missed_call_app, $ring_group_missed_call_data); }
					break;
				default:
					unset($ring_group_missed_call_app, $ring_group_missed_call_data);
			}

		//set the app and data
			$ring_group_timeout_array = explode(":", $ring_group_timeout_action);
			$ring_group_timeout_app = array_shift($ring_group_timeout_array);
			$ring_group_timeout_data = join(':', $ring_group_timeout_array);

		//add a uuid to ring_group_uuid if it is empty
			if ($action == 'add') {
				$ring_group_uuid = uuid();
			}

		//add the dialplan_uuid
			if (empty($_POST["dialplan_uuid"]) || !is_uuid($_POST["dialplan_uuid"])) {
				$dialplan_uuid = uuid();
			}

		//build the array
			$array["ring_groups"][0]["ring_group_uuid"] = $ring_group_uuid;
			$array["ring_groups"][0]["domain_uuid"] = $domain_uuid;
			$array['ring_groups'][0]["ring_group_name"] = $ring_group_name;
			$array['ring_groups'][0]["ring_group_extension"] = $ring_group_extension;
			$array['ring_groups'][0]["ring_group_greeting"] = $ring_group_greeting;
			$array['ring_groups'][0]["ring_group_strategy"] = $ring_group_strategy;
			$array["ring_groups"][0]["ring_group_call_timeout"] = $ring_group_call_timeout;
			if (permission_exists('ring_group_caller_id_name')) {
				$array["ring_groups"][0]["ring_group_caller_id_name"] = $ring_group_caller_id_name;
			}
			if (permission_exists('ring_group_caller_id_number')) {
				$array["ring_groups"][0]["ring_group_caller_id_number"] = $ring_group_caller_id_number;
			}
			if (permission_exists('ring_group_cid_name_prefix')) {
				$array["ring_groups"][0]["ring_group_cid_name_prefix"] = $ring_group_cid_name_prefix;
			}
			if (permission_exists('ring_group_cid_number_prefix')) {
				$array["ring_groups"][0]["ring_group_cid_number_prefix"] = $ring_group_cid_number_prefix;
			}
			$array["ring_groups"][0]["ring_group_distinctive_ring"] = $ring_group_distinctive_ring;
			$array["ring_groups"][0]["ring_group_ringback"] = $ring_group_ringback;
			if (permission_exists('ring_group_call_screen_enabled')) {
				$array["ring_groups"][0]["ring_group_call_screen_enabled"] = $ring_group_call_screen_enabled;
			}
			$array["ring_groups"][0]["ring_group_call_forward_enabled"] = $ring_group_call_forward_enabled;
			$array["ring_groups"][0]["ring_group_follow_me_enabled"] = $ring_group_follow_me_enabled;
			if (permission_exists('ring_group_missed_call')) {
				$array["ring_groups"][0]["ring_group_missed_call_app"] = $ring_group_missed_call_app ?? null;
				$array["ring_groups"][0]["ring_group_missed_call_data"] = $ring_group_missed_call_data ?? null;
			}
			if (permission_exists('ring_group_forward')) {
				$array["ring_groups"][0]["ring_group_forward_enabled"] = $ring_group_forward_enabled;
				$array["ring_groups"][0]["ring_group_forward_destination"] = $ring_group_forward_destination;
			}
			$array["ring_groups"][0]["ring_group_forward_toll_allow"] = $ring_group_forward_toll_allow;
			if (isset($ring_group_context)) {
				$array["ring_groups"][0]["ring_group_context"] = $ring_group_context;
			}
			$array["ring_groups"][0]["ring_group_enabled"] = $ring_group_enabled;
			$array["ring_groups"][0]["ring_group_description"] = $ring_group_description;
			$array["ring_groups"][0]["dialplan_uuid"] = $dialplan_uuid;
			if ($destination->valid($ring_group_timeout_app.':'.$ring_group_timeout_data)) {
				$array["ring_groups"][0]["ring_group_timeout_app"] = $ring_group_timeout_app;
				$array["ring_groups"][0]["ring_group_timeout_data"] = $ring_group_timeout_data;
			}

			$y = 0;
			foreach ($ring_group_destinations as $row) {
				if (!empty($row['ring_group_destination_uuid']) && is_uuid($row['ring_group_destination_uuid'])) {
					$ring_group_destination_uuid = $row['ring_group_destination_uuid'];
				}
				else {
					$ring_group_destination_uuid = uuid();
				}
				if (!empty($row['destination_number']) && $settings->get('ring_group', 'destination_range_enabled', false)) {
					// check the range
					$output_array = array();
					preg_match('/[0-9]{1,}-[0-9]{1,}/', $row['destination_number'], $output_array);
				}
				if (is_uuid($ring_group_uuid) && !empty($output_array)) {
					$ranges = explode('-', $row['destination_number']);
					$range_first_extension = $ranges[0];
					$range_second_extension = $ranges[1];
					if ($range_first_extension <= $range_second_extension) {
						// select range extension for ring group destintaions
						$sql = "select DISTINCT ext.extension, ext.extension_uuid from v_extensions as ext ";
						$sql .= "where ext.domain_uuid = :domain_uuid ";
						$sql .= "and CAST(coalesce(ext.extension, '0') AS integer) >= :range_first_extension and CAST(coalesce(ext.extension, '0') AS integer) <= :range_second_extension ";
						$sql .= "and ext.extension NOT IN ";
						$sql .= "(select DISTINCT asd.destination_number as exten from v_ring_group_destinations as asd ";
						$sql .= "where asd.ring_group_uuid = :ring_group_uuid ";
						$sql .= "and asd.domain_uuid = :domain_uuid) ";
						$sql .= "order by ext.extension asc ";
						$parameters['domain_uuid'] = $domain_uuid;
						$parameters['ring_group_uuid'] = $ring_group_uuid;
						$parameters['range_first_extension'] = $range_first_extension;
						$parameters['range_second_extension'] = $range_second_extension;
						$extensions = $database->select($sql, $parameters, 'all');
						unset($sql, $parameters);
						// echo var_dump($extensions);
						foreach ($extensions as $extension) {
							$array["ring_groups"][0]["ring_group_destinations"][$y]["ring_group_uuid"] = $ring_group_uuid;
							$array['ring_groups'][0]["ring_group_destinations"][$y]["ring_group_destination_uuid"] = uuid();
							$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_number"] = $extension['extension'];
							$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_description"] = $row['destination_description'];
							$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_delay"] = $row['destination_delay'];
							$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_timeout"] = $row['destination_timeout'];
							$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_prompt"] = $row['destination_prompt'];
							$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_enabled"] = $row['destination_enabled'] ?? 'false';
							$array['ring_groups'][0]["ring_group_destinations"][$y]["domain_uuid"] = $domain_uuid;
							$y++;
						}
					}
				} elseif (!empty($row['destination_number']) > 0) {
					$array["ring_groups"][0]["ring_group_destinations"][$y]["ring_group_uuid"] = $ring_group_uuid;
					$array['ring_groups'][0]["ring_group_destinations"][$y]["ring_group_destination_uuid"] = $ring_group_destination_uuid;
					$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_number"] = $row['destination_number'];
					$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_description"] = $row['destination_description'];
					$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_delay"] = $row['destination_delay'];
					$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_timeout"] = $row['destination_timeout'];
					$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_prompt"] = $row['destination_prompt'];
					$array['ring_groups'][0]["ring_group_destinations"][$y]["destination_enabled"] = $row['destination_enabled'] ?? 'false';
					$array['ring_groups'][0]["ring_group_destinations"][$y]["domain_uuid"] = $domain_uuid;
				}
				$y++;
				unset($output_array, $range_first_extension, $range_second_extension);
			}

		//build the xml dialplan
			$dialplan_xml = "<extension name=\"".xml::sanitize($ring_group_name)."\" continue=\"\" uuid=\"".xml::sanitize($dialplan_uuid)."\">\n";
			$dialplan_xml .= "	<condition field=\"destination_number\" expression=\"^".xml::sanitize($ring_group_extension)."$\">\n";
			if ($settings->get('ring_group', 'ring_ready', true)) {
				$dialplan_xml .= "		<action application=\"ring_ready\" data=\"\"/>\n";
			}
			$dialplan_xml .= "		<action application=\"set\" data=\"ring_group_uuid=".xml::sanitize($ring_group_uuid)."\"/>\n";
			$dialplan_xml .= "		<action application=\"lua\" data=\"app.lua ring_groups\"/>\n";
			$dialplan_xml .= "	</condition>\n";
			$dialplan_xml .= "</extension>\n";

		//build the dialplan array
			$array["dialplans"][0]["domain_uuid"] = $domain_uuid;
			$array["dialplans"][0]["dialplan_uuid"] = $dialplan_uuid;
			$array["dialplans"][0]["dialplan_name"] = $ring_group_name;
			$array["dialplans"][0]["dialplan_number"] = $ring_group_extension;
			if (isset($ring_group_context)) {
				$array["dialplans"][0]["dialplan_context"] = $ring_group_context;
			}
			$array["dialplans"][0]["dialplan_continue"] = "false";
			$array["dialplans"][0]["dialplan_xml"] = $dialplan_xml;
			$array["dialplans"][0]["dialplan_order"] = "101";
			$array["dialplans"][0]["dialplan_enabled"] = $ring_group_enabled;
			$array["dialplans"][0]["dialplan_description"] = $ring_group_description;
			$array["dialplans"][0]["app_uuid"] = "1d61fb65-1eec-bc73-a6ee-a6203b4fe6f2";

		//add the dialplan permission
			$p = permissions::new();
			$p->add("dialplan_add", "temp");
			$p->add("dialplan_edit", "temp");

		//save to the data
			$database->app_name = 'ring_groups';
			$database->app_uuid = '1d61fb65-1eec-bc73-a6ee-a6203b4fe6f2';
			$database->save($array);
			$message = $database->message;

		//remove the temporary permission
			$p->delete("dialplan_add", "temp");
			$p->delete("dialplan_edit", "temp");

		//remove checked destinations
			if (
				$action == 'update'
				&& permission_exists('ring_group_destination_delete')
				&& is_array($ring_group_destinations_delete)
				&& @sizeof($ring_group_destinations_delete) != 0
				) {
				$obj = new ring_groups;
				$obj->ring_group_uuid = $ring_group_uuid;
				$obj->delete_destinations($ring_group_destinations_delete);
			}

		//apply settings reminder
			$_SESSION["reload_xml"] = true;

		//clear the cache
			$cache = new cache;
			$cache->delete("dialplan:".$ring_group_context);

		//clear the destinations session array
			if (isset($_SESSION['destinations']['array'])) {
				unset($_SESSION['destinations']['array']);
			}

		//set the message
			if ($action == "add") {
				//save the message to a session variable
					message::add($text['message-add']);
			}
			if ($action == "update") {
				//save the message to a session variable
					message::add($text['message-update']);
			}

		//redirect the browser
			header("Location: ring_group_edit.php?id=".urlencode($ring_group_uuid));
			exit;
	}

//pre-populate the form
	if (!empty($ring_group_uuid)) {
		$sql = "select * from v_ring_groups ";
		$sql .= "where ring_group_uuid = :ring_group_uuid ";
		$parameters['ring_group_uuid'] = $ring_group_uuid;
		$row = $database->select($sql, $parameters, 'row');
		if (is_array($row) && @sizeof($row) != 0) {
			$domain_uuid = $row["domain_uuid"];
			$ring_group_name = $row["ring_group_name"];
			$ring_group_extension = $row["ring_group_extension"];
			$ring_group_greeting = $row["ring_group_greeting"];
			$ring_group_context = $row["ring_group_context"];
			$ring_group_strategy = $row["ring_group_strategy"];
			$ring_group_timeout_app = $row["ring_group_timeout_app"];
			$ring_group_timeout_data = $row["ring_group_timeout_data"];
			$ring_group_call_timeout = $row["ring_group_call_timeout"];
			$ring_group_caller_id_name = $row["ring_group_caller_id_name"];
			$ring_group_caller_id_number = $row["ring_group_caller_id_number"];
			$ring_group_cid_name_prefix = $row["ring_group_cid_name_prefix"];
			$ring_group_cid_number_prefix = $row["ring_group_cid_number_prefix"];
			$ring_group_distinctive_ring = $row["ring_group_distinctive_ring"];
			$ring_group_ringback = $row["ring_group_ringback"];
			$ring_group_call_screen_enabled = $row["ring_group_call_screen_enabled"];
			$ring_group_call_forward_enabled = $row["ring_group_call_forward_enabled"];
			$ring_group_follow_me_enabled = $row["ring_group_follow_me_enabled"];
			$ring_group_missed_call_app = $row["ring_group_missed_call_app"];
			$ring_group_missed_call_data = $row["ring_group_missed_call_data"];
			$ring_group_forward_enabled = $row["ring_group_forward_enabled"];
			$ring_group_forward_destination = $row["ring_group_forward_destination"];
			$ring_group_forward_toll_allow = $row["ring_group_forward_toll_allow"];
			$ring_group_enabled = $row["ring_group_enabled"];
			$ring_group_description = $row["ring_group_description"];
			$dialplan_uuid = $row["dialplan_uuid"];
		}
		unset($sql, $parameters, $row);
		if (!empty($ring_group_timeout_app)) {
			$ring_group_timeout_action = $ring_group_timeout_app.":".$ring_group_timeout_data;
		}
	}

//set the defaults
	$destination_delay_max = $settings->get('ring_group', 'destination_delay_max', '');
	$destination_timeout_max = $settings->get('ring_group', 'destination_timeout_max', '');;
	if (empty($ring_group_call_timeout)) {
		$ring_group_call_timeout = '30';
	}
	if (empty($ring_group_enabled)) { $ring_group_enabled = 'true'; }

//get the ring group destination array
	if ($action == "add") {
		$x = 0;
		$limit = 5;
	}
	if (!empty($ring_group_uuid)) {
		$sql = "select * from v_ring_group_destinations ";
		$sql .= "where domain_uuid = :domain_uuid ";
		$sql .= "and ring_group_uuid = :ring_group_uuid ";
		$sql .= "order by destination_delay, destination_number asc ";
		$parameters['domain_uuid'] = $domain_uuid;
		$parameters['ring_group_uuid'] = $ring_group_uuid;
		$ring_group_destinations = $database->select($sql, $parameters, 'all');
		unset($sql, $parameters);
	}

//add an empty row to the options array
	if (!isset($ring_group_destinations) || count($ring_group_destinations) == 0) {
		$rows = $settings->get('ring_group', 'destination_add_rows', 5);
		$id = 0;
		$show_destination_delete = false;
	}
	if (isset($ring_group_destinations) && count($ring_group_destinations) > 0) {
		$rows = $settings->get('ring_group', 'destination_edit_rows', 1);
		$id = count($ring_group_destinations)+1;
		$show_destination_delete = true;
	}
	for ($x = 0; $x < $rows; $x++) {
		$ring_group_destinations[$id]['destination_number'] = '';
		$ring_group_destinations[$id]['destination_delay'] = '';
		$ring_group_destinations[$id]['destination_timeout'] = '';
		$ring_group_destinations[$id]['destination_prompt'] = '';
		$id++;
	}

//get the ring group users
	if (!empty($ring_group_uuid)) {
		$sql = "select u.username, r.user_uuid, r.ring_group_uuid ";
		$sql .= "from v_ring_group_users as r, v_users as u ";
		$sql .= "where r.user_uuid = u.user_uuid  ";
		$sql .= "and u.user_enabled = 'true' ";
		$sql .= "and r.domain_uuid = :domain_uuid ";
		$sql .= "and r.ring_group_uuid = :ring_group_uuid ";
		$sql .= "order by u.username asc ";
		$parameters['domain_uuid'] = $domain_uuid;
		$parameters['ring_group_uuid'] = $ring_group_uuid;
		$ring_group_users = $database->select($sql, $parameters, 'all');
		unset($sql, $parameters);
	}

//get the users
	$sql = "select * from v_users ";
	$sql .= "where domain_uuid = :domain_uuid ";
	$sql .= "and user_enabled = 'true' ";
	$sql .= "order by username asc ";
	$parameters['domain_uuid'] = $domain_uuid;
	$users = $database->select($sql, $parameters, 'all');
	unset($sql, $parameters);

//set defaults
	if (empty($ring_group_enabled)) { $ring_group_enabled = 'true'; }

//set the default ring group context
	if (empty($ring_group_context)) {
		$ring_group_context = $domain_name;
	}

//get the ring backs
	$ringbacks = new ringbacks;
	$ringbacks = $ringbacks->select('ring_group_ringback', $ring_group_ringback);

//get the sounds
	$sounds = new sounds;
	$audio_files = $sounds->get();

//create token
	$object = new token;
	$token = $object->create($_SERVER['PHP_SELF']);

//show the header
	$document['title'] = $text['title-ring_group'];
	require_once "resources/header.php";

//show the content
	if (permission_exists('recording_play') || permission_exists('recording_download')) {
		echo "<script type='text/javascript' language='JavaScript'>\n";
		echo "	function set_playable(id, audio_selected, audio_type) {\n";
		echo "		file_ext = audio_selected.split('.').pop();\n";
		echo "		var mime_type = '';\n";
		echo "		switch (file_ext) {\n";
		echo "			case 'wav': mime_type = 'audio/wav'; break;\n";
		echo "			case 'mp3': mime_type = 'audio/mpeg'; break;\n";
		echo "			case 'ogg': mime_type = 'audio/ogg'; break;\n";
		echo "		}\n";
		echo "		if (mime_type != '' && (audio_type == 'recordings' || audio_type == 'sounds')) {\n";
		echo "			if (audio_type == 'recordings') {\n";
		echo "				$('#recording_audio_' + id).attr('src', '../recordings/recordings.php?action=download&type=rec&filename=' + audio_selected);\n";
		echo "			}\n";
		echo "			else if (audio_type == 'sounds') {\n";
		echo "				$('#recording_audio_' + id).attr('src', '../switch/sounds.php?action=download&filename=' + audio_selected);\n";
		echo "			}\n";
		echo "			$('#recording_audio_' + id).attr('type', mime_type);\n";
		echo "			$('#recording_button_' + id).show();\n";
		echo "		}\n";
		echo "		else {\n";
		echo "			$('#recording_button_' + id).hide();\n";
		echo "			$('#recording_audio_' + id).attr('src','').attr('type','');\n";
		echo "		}\n";
		echo "	}\n";
		echo "</script>\n";
	}
	if (if_group("superadmin")) {
		echo "<script type='text/javascript' language='JavaScript'>\n";
		echo "	var objs;\n";
		echo "	function toggle_select_input(obj, instance_id){\n";
		echo "		tb=document.createElement('INPUT');\n";
		echo "		tb.type='text';\n";
		echo "		tb.name=obj.name;\n";
		echo "		tb.className='formfld';\n";
		echo "		tb.setAttribute('id', instance_id);\n";
		echo "		tb.setAttribute('style', 'width: ' + obj.offsetWidth + 'px;');\n";
		if (!empty($on_change)) {
			echo "	tb.setAttribute('onchange', \"".$on_change."\");\n";
			echo "	tb.setAttribute('onkeyup', \"".$on_change."\");\n";
		}
		echo "		tb.value=obj.options[obj.selectedIndex].value;\n";
		echo "		document.getElementById('btn_select_to_input_' + instance_id).style.display = 'none';\n";
		echo "		tbb=document.createElement('INPUT');\n";
		echo "		tbb.setAttribute('class', 'btn');\n";
		echo "		tbb.setAttribute('style', 'margin-left: 4px;');\n";
		echo "		tbb.type='button';\n";
		echo "		tbb.value=$('<div />').html('&#9665;').text();\n";
		echo "		tbb.objs=[obj,tb,tbb];\n";
		echo "		tbb.onclick=function(){ replace_element(this.objs, instance_id); }\n";
		echo "		obj.parentNode.insertBefore(tb,obj);\n";
		echo "		obj.parentNode.insertBefore(tbb,obj);\n";
		echo "		obj.parentNode.removeChild(obj);\n";
		echo "		replace_element(this.objs, instance_id);\n";
		echo "	}\n";
		echo "	function replace_element(obj, instance_id){\n";
		echo "		obj[2].parentNode.insertBefore(obj[0],obj[2]);\n";
		echo "		obj[0].parentNode.removeChild(obj[1]);\n";
		echo "		obj[0].parentNode.removeChild(obj[2]);\n";
		echo "		document.getElementById('btn_select_to_input_' + instance_id).style.display = 'inline';\n";
		if (!empty($on_change)) {
			echo "	".$on_change.";\n";
		}
		echo "	}\n";
		echo "</script>\n";
	}

	echo "<form method='post' name='frm' id='frm'>\n";

	echo "<div class='action_bar' id='action_bar'>\n";
	echo "	<div class='heading'><b>".$text['title-ring_group']."</b></div>\n";
	echo "	<div class='actions'>\n";
	echo button::create(['type'=>'button','label'=>$text['button-back'],'icon'=>$_SESSION['theme']['button_icon_back'],'id'=>'btn_back','link'=>'ring_groups.php']);
	if ($action == 'update') {
		$button_margin = 'margin-left: 15px;';
		if (permission_exists('ring_group_add') && (empty($settings->get('limit', 'ring_groups', '')) || ($total_ring_groups < $settings->get('limit', 'ring_groups', '')))) {
			echo button::create(['type'=>'button','label'=>$text['button-copy'],'icon'=>$_SESSION['theme']['button_icon_copy'],'name'=>'btn_copy','style'=>$button_margin,'onclick'=>"modal_open('modal-copy','btn_copy');"]);
			unset($button_margin);
		}
		if (permission_exists('ring_group_delete') || permission_exists('ring_group_destination_delete')) {
			echo button::create(['type'=>'button','label'=>$text['button-delete'],'icon'=>$_SESSION['theme']['button_icon_delete'],'name'=>'btn_delete','style'=>$button_margin ?? '','onclick'=>"modal_open('modal-delete','btn_delete');"]);
			unset($button_margin);
		}
	}
	echo button::create(['type'=>'submit','label'=>$text['button-save'],'icon'=>$_SESSION['theme']['button_icon_save'],'id'=>'btn_save','style'=>'margin-left: 15px;']);
	echo "	</div>\n";
	echo "	<div style='clear: both;'></div>\n";
	echo "</div>\n";

	if ($action == "update") {
		if (permission_exists('ring_group_add') && (empty($settings->get('limit', 'ring_groups', '')) || ($total_ring_groups < $settings->get('limit', 'ring_groups', '')))) {
			echo modal::create(['id'=>'modal-copy','type'=>'copy','actions'=>button::create(['type'=>'submit','label'=>$text['button-continue'],'icon'=>'check','id'=>'btn_copy','style'=>'float: right; margin-left: 15px;','collapse'=>'never','name'=>'action','value'=>'copy','onclick'=>"modal_close();"])]);
		}
		if (permission_exists('ring_group_delete') || permission_exists('ring_group_destination_delete')) {
			echo modal::create(['id'=>'modal-delete','type'=>'delete','actions'=>button::create(['type'=>'submit','label'=>$text['button-continue'],'icon'=>'check','id'=>'btn_delete','style'=>'float: right; margin-left: 15px;','collapse'=>'never','name'=>'action','value'=>'delete','onclick'=>"modal_close();"])]);
		}
	}

	echo $text['description']."\n";
	echo "<br /><br />\n";

	echo "<div class='card'>\n";
	echo "<table width='100%' border='0' cellpadding='0' cellspacing='0'>\n";

	echo "<tr>\n";
	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-name']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "	<input class='formfld' type='text' name='ring_group_name' maxlength='255' value=\"".escape($ring_group_name)."\" required='required'>\n";
	echo "<br />\n";
	echo $text['description-name']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "<tr>\n";
	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-extension']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "	<input class='formfld' type='text' name='ring_group_extension' maxlength='255' value=\"".escape($ring_group_extension)."\" required='required' placeholder=\"".($settings->get('ring_group', 'extension_range', '') ?? '')."\">\n";
	echo "<br />\n";
	echo $text['description-extension']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	$instance_id = 'ring_group_greeting';
	$instance_label = 'greeting';
	$instance_value = $ring_group_greeting;
	echo "<tr>\n";
	echo "<td class='vncell' rowspan='2' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-'.$instance_label]."\n";
	echo "</td>\n";
	echo "<td class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' onclick=\"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));\" style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
	echo "</tr>\n";
	echo "<tr>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "<select name='".$instance_id."' id='".$instance_id."' class='formfld' ".(permission_exists('recording_play') || permission_exists('recording_download') ? "onchange=\"recording_reset('".$instance_id."'); set_playable('".$instance_id."', this.value, this.options[this.selectedIndex].parentNode.getAttribute('data-type'));\"" : null).">\n";
	echo "	<option value=''></option>\n";
	$found = $playable = false;
	if (!empty($audio_files) && is_array($audio_files) && @sizeof($audio_files) != 0) {
		foreach ($audio_files as $key => $value) {
			echo "<optgroup label=".$text['label-'.$key]." data-type='".$key."'>\n";
			foreach ($value as $row) {
				if ($key == 'recordings') {
					if (
						!empty($instance_value) &&
						($instance_value == $row["value"] || $instance_value == $settings->get('switch', 'recordings', '')."/".$domain_name.'/'.$row["value"]) &&
						file_exists($settings->get('switch', 'recordings', '')."/".$domain_name.'/'.pathinfo($row["value"], PATHINFO_BASENAME))
						) {
						$selected = "selected='selected'";
						$playable = '../recordings/recordings.php?action=download&type=rec&filename='.pathinfo($row["value"], PATHINFO_BASENAME);
						$found = true;
					}
					else {
						unset($selected);
					}
				}
				else if ($key == 'sounds') {
					if (!empty($instance_value) && $instance_value == $row["value"]) {
						$selected = "selected='selected'";
						$playable = '../switch/sounds.php?action=download&filename='.$row["value"];
						$found = true;
					}
					else {
						unset($selected);
					}
				}
				else if ($key == 'phrases') {
					if (!empty($instance_value) && $instance_value == $row["value"]) {
						$selected = "selected='selected'";
						$playable = '';
						$found = true;
					}
					else {
						unset($selected);
					}
				}
				else {
					unset($selected);
				}
				echo "	<option value='".escape($row["value"])."' ".($selected ?? '').">".escape($row["name"])."</option>\n";
			}
			echo "</optgroup>\n";
		}
	}
	if (if_group("superadmin") && !empty($instance_value) && !$found) {
		echo "	<option value='".escape($instance_value)."' selected='selected'>".escape($instance_value)."</option>\n";
	}
	unset($selected);
	echo "	</select>\n";
	if (if_group("superadmin")) {
		echo "<input type='button' id='btn_select_to_input_".$instance_id."' class='btn' name='' alt='back' onclick='toggle_select_input(document.getElementById(\"".$instance_id."\"), \"".$instance_id."\"); this.style.visibility=\"hidden\";' value='&#9665;'>";
	}
	if ((permission_exists('recording_play') || permission_exists('recording_download')) && (!empty($playable) || empty($instance_value))) {
		switch (pathinfo($playable, PATHINFO_EXTENSION)) {
			case 'wav' : $mime_type = 'audio/wav'; break;
			case 'mp3' : $mime_type = 'audio/mpeg'; break;
			case 'ogg' : $mime_type = 'audio/ogg'; break;
		}
		echo "<audio id='recording_audio_".$instance_id."' style='display: none;' preload='none' ontimeupdate=\"update_progress('".$instance_id."')\" onended=\"recording_reset('".$instance_id."');\" src='".($playable ?? '')."' type='".($mime_type ?? '')."'></audio>";
		echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'))"]);
		unset($playable, $mime_type);
	}
	echo "<br />\n";
	echo $text['description-'.$instance_label]."\n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "<tr>\n";
	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-strategy']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "	<select class='formfld' name='ring_group_strategy' onchange=\"getElementById('destination_delayorder').innerHTML = (this.selectedIndex == 1 || this.selectedIndex == 3) ? '".$text['label-destination_order']."' : '".$text['label-destination_delay']."';\">\n";
	echo "		<option value='enterprise' ".(($ring_group_strategy == "enterprise") ? "selected='selected'" : null).">".$text['option-enterprise']."</option>\n";
	echo "		<option value='sequence' ".(($ring_group_strategy == "sequence") ? "selected='selected'" : null).">".$text['option-sequence']."</option>\n";
	echo "		<option value='simultaneous' ".(($ring_group_strategy == "simultaneous") ? "selected='selected'" : null).">".$text['option-simultaneous']."</option>\n";
	echo "		<option value='random' ".(($ring_group_strategy == "random") ? "selected='selected'" : null).">".$text['option-random']."</option>\n";
	echo "		<option value='rollover' ".(($ring_group_strategy == "rollover") ? "selected='selected'" : null).">".$text['option-rollover']."</option>\n";
	echo "	</select>\n";
	echo "<br />\n";
	echo $text['description-strategy']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "	<tr>";
	echo "		<td class='vncellreq' valign='top'>".$text['label-destinations']."</td>";
	echo "		<td class='vtable' align='left'>";

	echo "			<table border='0' cellpadding='0' cellspacing='0'>\n";
	echo "				<tr>\n";
	echo "					<td class='vtable'>".$text['label-destination_number']."</td>\n";

	echo "					<td class='vtable' id='destination_delayorder'>";
	echo 						($ring_group_strategy == 'sequence' || $ring_group_strategy == 'rollover') ? $text['label-destination_order'] : $text['label-destination_delay'];
	echo "					</td>\n";
	echo "					<td class='vtable'>".$text['label-destination_timeout']."</td>\n";
	if (permission_exists('ring_group_prompt')) {
		echo "				<td class='vtable'>".$text['label-destination_prompt']."</td>\n";
	}
	echo "					<td class='vtable'>".$text['label-destination_description']."</td>\n";
	echo "					<td class='vtable'>".$text['label-destination_enabled']."</td>\n";
	if ($show_destination_delete && permission_exists('ring_group_destination_delete')) {
		echo "					<td class='vtable edit_delete_checkbox_all' onmouseover=\"swap_display('delete_label_destinations', 'delete_toggle_destinations');\" onmouseout=\"swap_display('delete_label_destinations', 'delete_toggle_destinations');\">\n";
		echo "						<span id='delete_label_destinations'>".$text['label-delete']."</span>\n";
		echo "						<span id='delete_toggle_destinations'><input type='checkbox' id='checkbox_all_destinations' name='checkbox_all' onclick=\"edit_all_toggle('destinations');\"></span>\n";
		echo "					</td>\n";
	}
	echo "				</tr>\n";
	$x = 0;
	foreach ($ring_group_destinations as $row) {
		if (empty($row['destination_description'])) { $row['destination_description'] = ""; }
		if (empty($row['destination_delay'])) { $row['destination_delay'] = "0"; }
		if (empty($row['destination_timeout'])) { $row['destination_timeout'] = "30"; }

		if (!empty($row['ring_group_destination_uuid']) && is_uuid($row['ring_group_destination_uuid'])) {
			echo "		<input name='ring_group_destinations[".$x."][ring_group_destination_uuid]' type='hidden' value=\"".escape($row['ring_group_destination_uuid'])."\">\n";
		}

		echo "			<tr>\n";
		echo "				<td class='formfld'>\n";
		if (!isset($row['ring_group_destination_uuid'])) { // new record
			if (substr($settings->get('theme', 'input_toggle_style', ''), 0, 6) == 'switch') {
				$onkeyup = "onkeyup=\"document.getElementById('ring_group_destinations_".$x."_destination_enabled').checked = (this.value != '' ? true : false);\""; // switch
			}
			else {
				$onkeyup = "onkeyup=\"document.getElementById('ring_group_destinations_".$x."_destination_enabled').value = (this.value != '' ? true : false);\""; // select
			}
		}
		echo "					<input type=\"text\" name=\"ring_group_destinations[".$x."][destination_number]\" class=\"formfld\" value=\"".escape($row['destination_number'])."\" ".$onkeyup.">\n";
		echo "				</td>\n";
		echo "				<td class='formfld'>\n";
		echo "					<select name='ring_group_destinations[".$x."][destination_delay]' class='formfld' style='width:55px'>\n";
		$i=0;
		while ($i <= $destination_delay_max) {
			if ($i == $row['destination_delay']) {
				echo "				<option value='$i' selected='selected'>$i</option>\n";
			}
			else {
				echo "				<option value='$i'>$i</option>\n";
			}
			$i = $i + 5;
		}
		echo "					</select>\n";
		echo "				</td>\n";
		echo "				<td class='formfld'>\n";
		echo "					<select name='ring_group_destinations[".$x."][destination_timeout]' class='formfld' style='width:55px'>\n";

		$i = 5;
		while($i <= $destination_timeout_max) {
			if ($i == $row['destination_timeout']) {
				echo "				<option value='$i' selected='selected'>$i</option>\n";
			}
			else {
				echo "				<option value='$i'>$i</option>\n";
			}
			$i = $i + 5;
		}
		echo "					</select>\n";
		echo "				</td>\n";
		if (permission_exists('ring_group_prompt')) {
			echo "			<td class='formfld'>\n";
			echo "				<select class='formfld' style='width: 90px;' name='ring_group_destinations[".$x."][destination_prompt]'>\n";
			echo "					<option value=''></option>\n";
			echo "					<option value='1' ".(($row['destination_prompt'])?"selected='selected'":null).">".$text['label-destination_prompt_confirm']."</option>\n";
			//echo "				<option value='2'>".$text['label-destination_prompt_announce]."</option>\n";
			echo "				</select>\n";
			echo "			</td>\n";
		}
		echo "				<td class='formfld'>\n";
		echo "					<input type=\"text\" name=\"ring_group_destinations[".$x."][destination_description]\" class=\"formfld\" value=\"".escape($row['destination_description'])."\">\n";
		echo "				</td>\n";
		echo "				<td class='formfld'>\n";
		// switch
		if (substr($settings->get('theme', 'input_toggle_style', ''), 0, 6) == 'switch') {
			echo "				<label class='switch'>\n";
			echo "					<input type='checkbox' id='ring_group_destinations_".$x."_destination_enabled' name='ring_group_destinations[".$x."][destination_enabled]' value='true' ".(!empty($row['destination_enabled']) && $row['destination_enabled'] == 'true' ? "checked='checked'" : null).">\n";
			echo "					<span class='slider'></span>\n";
			echo "				</label>\n";
		}
		// select
		else {
			echo "				<select class='formfld' id='ring_group_destinations_".$x."_destination_enabled' name='ring_group_destinations[".$x."][destination_enabled]'>\n";
			echo "					<option value='false'>".$text['option-false']."</option>\n";
			echo "					<option value='true' ".($row['destination_enabled'] == 'true' ? "selected='selected'" : null).">".$text['option-true']."</option>\n";
			echo "				</select>\n";
		}
		echo "				</td>\n";
		if ($show_destination_delete && permission_exists('ring_group_destination_delete')) {
			if (!empty($row['ring_group_destination_uuid']) && is_uuid($row['ring_group_destination_uuid'])) {
				echo "			<td class='vtable' style='text-align: center; padding-bottom: 3px;'>";
				echo "				<input type='checkbox' name='ring_group_destinations_delete[".$x."][checked]' value='true' class='chk_delete checkbox_destinations' onclick=\"edit_delete_action('destinations');\">\n";
				echo "				<input type='hidden' name='ring_group_destinations_delete[".$x."][uuid]' value='".escape($row['ring_group_destination_uuid'])."' />\n";
			}
			else {
				echo "			<td>\n";
			}
			echo "			</td>\n";
		}
		echo "			</tr>\n";
		$x++;
	}
	echo "			</table>\n";
	echo "			".$text['description-destinations']."\n";
	echo "			<br />\n";
	echo "		</td>";
	echo "	</tr>";

	echo "<tr>\n";
	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-timeout_destination']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo $destination->select('dialplan', 'ring_group_timeout_action', $ring_group_timeout_action ?? '');
	echo "	<br />\n";
	echo "	".$text['description-timeout_destination']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "<tr>\n";
	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-call_timeout']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "  <input class='formfld' type='text' name='ring_group_call_timeout' maxlength='255' value='".escape($ring_group_call_timeout)."'>\n";
	echo "<br />\n";
	echo (!empty($text['description-ring_group_call_timeout']))." \n";
	echo "</td>\n";
	echo "</tr>\n";

	if (permission_exists('ring_group_caller_id_name')) {
		echo "<tr>\n";
		echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
		echo "	".$text['label-caller_id_name']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "  <input class='formfld' type='text' name='ring_group_caller_id_name' maxlength='255' value='".escape($ring_group_caller_id_name)."'>\n";
		echo "<br />\n";
		echo $text['description-caller_id_name']." \n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	if (permission_exists('ring_group_caller_id_number')) {
		echo "<tr>\n";
		echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
		echo "	".$text['label-caller_id_number']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "  <input class='formfld' type='number' name='ring_group_caller_id_number' maxlength='255' min='0' step='1' value='".escape($ring_group_caller_id_number)."'>\n";
		echo "<br />\n";
		echo $text['description-caller_id_number']." \n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	if (permission_exists('ring_group_cid_name_prefix')) {
		echo "<tr>\n";
		echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
		echo "	".$text['label-cid-name-prefix']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "  <input class='formfld' type='text' name='ring_group_cid_name_prefix' maxlength='255' value='".escape($ring_group_cid_name_prefix)."'>\n";
		echo "<br />\n";
		echo $text['description-cid-name-prefix']." \n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	if (permission_exists('ring_group_cid_number_prefix')) {
		echo "<tr>\n";
		echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
		echo "	".$text['label-cid-number-prefix']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "  <input class='formfld' type='number' name='ring_group_cid_number_prefix' maxlength='255' min='0' step='1' value='".escape($ring_group_cid_number_prefix)."'>\n";
		echo "<br />\n";
		echo $text['description-cid-number-prefix']." \n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	echo "<tr>\n";
	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-distinctive_ring']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "  <input class='formfld' type='text' name='ring_group_distinctive_ring' maxlength='255' value='".escape($ring_group_distinctive_ring)."'>\n";
	echo "<br />\n";
	echo $text['description-distinctive_ring']." \n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "<tr>\n";
	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	 ".$text['label-ringback']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "	".$ringbacks;
	echo "<br />\n";
	echo $text['description-ringback']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "	<tr>";
	echo "		<td class='vncell' valign='top'>".$text['label-user_list']."</td>";
	echo "		<td class='vtable'>";
	if (!empty($ring_group_users)) {
		echo "		<table width='300px'>\n";
		foreach ($ring_group_users as $field) {
			echo "			<tr>\n";
			echo "				<td class='vtable'>".escape($field['username'])."</td>\n";
			echo "				<td>\n";
			echo "					<a href='ring_group_edit.php?id=".urlencode($ring_group_uuid)."&user_uuid=".urlencode($field['user_uuid'])."&a=delete' alt='".$text['button-delete']."' onclick=\"return confirm('".$text['confirm-delete']."')\">".$v_link_label_delete."</a>\n";
			echo "				</td>\n";
			echo "			</tr>\n";
		}
		echo "		</table>\n";
		echo "		<br />\n";
	}
	echo "			<select name=\"user_uuid\" class='formfld' style='width: auto;'>\n";
	echo "			<option value=\"\"></option>\n";
	if (is_array($users) && @sizeof($users) != 0) {
		foreach ($users as $field) {
			if (!empty($ring_group_users) && is_array($ring_group_users) && @sizeof($ring_group_users) != 0) {
				foreach ($ring_group_users as $user) {
					if ($user['user_uuid'] == $field['user_uuid']) { continue 2; } //skip already assigned
				}
			}
			echo "			<option value='".escape($field['user_uuid'])."'>".escape($field['username'])."</option>\n";
		}
	}
	echo "			</select>";
	echo button::create(['type'=>'submit','label'=>$text['button-add'],'icon'=>$_SESSION['theme']['button_icon_add'],'collapse'=>'never']);
	echo "			<br>\n";
	echo "			".$text['description-user_list']."\n";
	echo "			<br />\n";
	echo "		</td>";
	echo "	</tr>";

	if (permission_exists('ring_group_call_screen_enabled')) {
		echo "<tr>\n";
		echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
		echo "    ".$text['label-ring_group_call_screen_enabled']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "    <select class='formfld' name='ring_group_call_screen_enabled'>\n";
		echo "    <option value=''></option>\n";
		if ($ring_group_call_screen_enabled == "true") {
			echo "    <option value='true' selected='selected'>".$text['label-true']."</option>\n";
		}
		else {
			echo "    <option value='true'>".$text['label-true']."</option>\n";
		}
		if ($ring_group_call_screen_enabled == "false") {
			echo "    <option value='false' selected='selected'>".$text['label-false']."</option>\n";
		}
		else {
			echo "    <option value='false'>".$text['label-false']."</option>\n";
		}
		echo "    </select>\n";
		echo "<br />\n";
		echo $text['description-ring_group_call_screen_enabled']."\n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	echo "<tr>\n";
	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-ring_group_call_forward_enabled']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "	<select class='formfld' name='ring_group_call_forward_enabled'>\n";
	echo "	<option value=''></option>\n";
	if (!empty($ring_group_call_forward_enabled) && $ring_group_call_forward_enabled == "true") {
		echo "	<option value='true' selected='selected'>".$text['option-true']."</option>\n";
	}
	else {
		echo "	<option value='true'>".$text['option-true']."</option>\n";
	}
	if (!empty($ring_group_call_forward_enabled) && $ring_group_call_forward_enabled == "false") {
		echo "	<option value='false' selected='selected'>".$text['option-false']."</option>\n";
	}
	else {
		echo "	<option value='false'>".$text['option-false']."</option>\n";
	}
	echo "	</select>\n";
	echo "<br />\n";
	echo $text['description-ring_group_call_forward_enabled']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "<tr>\n";
	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-ring_group_follow_me_enabled']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "	<select class='formfld' name='ring_group_follow_me_enabled'>\n";
	echo "	<option value=''></option>\n";
	if (!empty($ring_group_follow_me_enabled) && $ring_group_follow_me_enabled == "true") {
		echo "	<option value='true' selected='selected'>".$text['option-true']."</option>\n";
	}
	else {
		echo "	<option value='true'>".$text['option-true']."</option>\n";
	}
	if (!empty($ring_group_follow_me_enabled) && $ring_group_follow_me_enabled == "false") {
		echo "	<option value='false' selected='selected'>".$text['option-false']."</option>\n";
	}
	else {
		echo "	<option value='false'>".$text['option-false']."</option>\n";
	}
	echo "	</select>\n";
	echo "<br />\n";
	echo $text['description-ring_group_follow_me_enabled']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	if (permission_exists('ring_group_missed_call')) {
		echo "<tr>\n";
		echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
		echo "    ".$text['label-missed_call']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "    <select class='formfld' name='ring_group_missed_call_app' id='ring_group_missed_call_app' onchange=\"if (this.selectedIndex != 0) { document.getElementById('ring_group_missed_call_data').style.display = ''; document.getElementById('ring_group_missed_call_data').focus(); } else { document.getElementById('ring_group_missed_call_data').style.display='none'; }\">\n";
		echo "		<option value=''></option>\n";
		echo "    	<option value='email' ".(($ring_group_missed_call_app == "email" && $ring_group_missed_call_data != '') ? "selected='selected'" : null).">".$text['label-email']."</option>\n";
		//echo "    	<option value='text' ".(($ring_group_missed_call_app == "text" && $ring_group_missed_call_data != '') ? "selected='selected'" : null).">".$text['label-text']."</option>\n";
		//echo "    	<option value='url' ".(($ring_group_missed_call_app == "url" && $ring_group_missed_call_data != '') ? "selected='selected'" : null).">".$text['label-url']."</option>\n";
		echo "    </select>\n";
		$ring_group_missed_call_data = ($ring_group_missed_call_app == 'text') ? format_phone($ring_group_missed_call_data) : $ring_group_missed_call_data;
		echo "    <input class='formfld' type='text' name='ring_group_missed_call_data' id='ring_group_missed_call_data' maxlength='255' value=\"".escape($ring_group_missed_call_data)."\" style='min-width: 200px; width: 200px; ".(($ring_group_missed_call_app == '' || $ring_group_missed_call_data == '') ? "display: none;" : null)."'>\n";
		echo "<br />\n";
		echo $text['description-missed_call']."\n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	if (permission_exists('ring_group_forward')) {
		echo "<tr>\n";
		echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
		echo "	".$text['label-ring_group_forward']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "	<select class='formfld' name='ring_group_forward_enabled' id='ring_group_forward_enabled' onchange=\"(this.selectedIndex == 1) ? document.getElementById('ring_group_forward_destination').focus() : null;\">";
		echo "		<option value='false'>".$text['option-disabled']."</option>";
		echo "		<option value='true' ".(!empty($ring_group_forward_enabled) && $ring_group_forward_enabled == 'true' ? "selected='selected'" : null).">".$text['option-enabled']."</option>";
		echo "	</select>";
		echo 	"<input class='formfld' type='text' name='ring_group_forward_destination' id='ring_group_forward_destination' placeholder=\"".$text['label-forward_destination']."\" maxlength='255' value=\"".escape($ring_group_forward_destination)."\">";
		echo "<br />\n";
		echo $text['description-ring-group-forward']."\n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	if (permission_exists('ring_group_forward_toll_allow')) {
		echo "<tr>\n";
		echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
		echo "	".$text['label-ring_group_forward_toll_allow']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "	<input class='formfld' type='text' name='ring_group_forward_toll_allow' maxlength='255' value=".escape($ring_group_forward_toll_allow).">\n";
		echo "<br />\n";
		echo $text['description-ring_group_forward_toll_allow']."\n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	if (permission_exists("ring_group_context")) {
		echo "<tr>\n";
		echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
		echo "	".$text['label-context']."\n";
		echo "</td>\n";
		echo "<td class='vtable' align='left'>\n";
		echo "	<input class='formfld' type='text' name='ring_group_context' maxlength='255' value=\"".escape($ring_group_context)."\" required='required'>\n";
		echo "<br />\n";
		echo $text['description-enter-context']."\n";
		echo "</td>\n";
		echo "</tr>\n";
	}

	echo "<tr>\n";
	echo "<td class='vncellreq' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-enabled']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	if (substr($settings->get('theme', 'input_toggle_style', ''), 0, 6) == 'switch') {
		echo "	<label class='switch'>\n";
		echo "		<input type='checkbox' id='ring_group_enabled' name='ring_group_enabled' value='true' ".($ring_group_enabled == 'true' ? "checked='checked'" : null).">\n";
		echo "		<span class='slider'></span>\n";
		echo "	</label>\n";
	}
	else {
		echo "	<select class='formfld' id='ring_group_enabled' name='ring_group_enabled'>\n";
		echo "		<option value='true' ".($ring_group_enabled == 'true' ? "selected='selected'" : null).">".$text['option-true']."</option>\n";
		echo "		<option value='false' ".($ring_group_enabled == 'false' ? "selected='selected'" : null).">".$text['option-false']."</option>\n";
		echo "	</select>\n";
	}
	echo "<br />\n";
	echo $text['description-enabled']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "<tr>\n";
	echo "<td class='vncell' valign='top' align='left' nowrap='nowrap'>\n";
	echo "	".$text['label-description']."\n";
	echo "</td>\n";
	echo "<td class='vtable' align='left'>\n";
	echo "	<input class='formfld' type='text' name='ring_group_description' maxlength='255' value=\"".escape($ring_group_description)."\">\n";
	echo "<br />\n";
	echo $text['description-description']."\n";
	echo "</td>\n";
	echo "</tr>\n";

	echo "</table>";
	echo "</div>\n";
	echo "<br><br>";

	if (!empty($dialplan_uuid)) {
		echo "<input type='hidden' name='dialplan_uuid' value='".escape($dialplan_uuid)."'>\n";
	}
	if (!empty($ring_group_uuid)) {
		echo "<input type='hidden' name='ring_group_uuid' value='".escape($ring_group_uuid)."'>\n";
	}
	echo "<input type='hidden' name='".$token['name']."' value='".$token['hash']."'>\n";

	echo "</form>";

//include the footer
	require_once "resources/footer.php";

?>