<?php

if (preg_match('/' . SUBDOMAIN_REGEX . '/D', $_POST['subdomain']) !== 1)
	output(403, _('This format of subdomain is not allowed.'));

if (array_key_exists($_POST['suffix'], CONF['reg']['suffixes']) !== true)
	output(403, 'This suffix doesn\'t exist.');

match (CONF['reg']['suffixes'][$_POST['suffix']]) {
	'all' => NULL,
	'approved' => match ($_SESSION['type']) {
		'approved' => NULL,
		default => output(403, 'The current account type is not allowed to register in this suffix.'),
	},
	default => output(403, 'This suffix is not open to registration.'),
};

$domain = formatAbsoluteDomain($_POST['subdomain'] . '.' . $_POST['suffix']);

if (query('select', 'registry', ['domain' => $domain], 'domain') !== [])
	output(403, _('This domain is already registered.'));

if (in_array($_POST['subdomain'], explode(LF, file_get_contents(ROOT_PATH . '/pg-act/reg/reserved.txt'))))
	output(403, _('This domain is reserved.'));

rateLimit();

insert('registry', [
	'domain' => $domain,
	'username' => $_SESSION['id'],
	'last_renewal' => date('Y-m-d H:i:s'),
]);

output(200, _('Domain registered.'));