<?php

namespace Gazelle\API;

class GenerateInvite extends AbstractAPI {
	public function run() {
		if (!isset($_GET['interviewer_id']) && !isset($_GET['interviewer_name'])) {
			json_error('Missing interviewer_id or interviewer_name');
		}

		if (isset($_GET['interviewer_id'])) {
			$where = "ID='".intval($_GET['interviewer_id'])."'";
		}
		else {
			$where = "Username='".db_string($_GET['interviewer_name'])."'";
		}
		$this->db->query("SELECT ID, Username FROM users_main WHERE {$where}");
		if ($this->db->record_count() === 0) {
			json_error("Could not find interviewer");
		}
		$user = $this->db->next_record();
		$interviewer_id = $user['ID'];
		$interviewer_name = $user['Username'];

		$email = (!empty($_GET['email'])) ? db_string($_GET['email']) : "";
		$expires = time_plus(60 * 60 * 24 * 3); // 3 days
		$key = db_string(make_secret());
		$reason = "Passed Interview";

		if (!empty($_GET['email'])) {
			$this->db->query("SELECT ID, Username FROM users_main WHERE Email='{$email}'");
			if ($this->db->record_count() > 0) {
				json_error("Email address already in use");
			}

			$this->db->query("SELECT * FROM invites WHERE Email='{$email}'");
			if ($this->db->record_count() > 0) {
				$key = $this->db->next_record();
				json_error("Invite code already generated for this email address");
			}
		}

		$this->db->query("
INSERT INTO invites (InviterID, InviteKey, Email, Expires, Reason)
VALUES ('{$interviewer_id}', '{$key}', '{$email}', '{$expires}', '{$reason}')");
		$site_url = "http";
		if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != "") {
			$site_url .= "s";
		}
		$site_url .= "://" . SITE_URL . "/register.php?invite={$key}";

		if (!empty($_GET['email'])) {
			include(SERVER_ROOT.'/classes/templates.class.php');
			$TPL = NEW TEMPLATE;
			$TPL->open(SERVER_ROOT.'/templates/invite.tpl');

			$TPL->set('InviterName', $interviewer_name);
			$TPL->set('InviteKey', $key);
			$TPL->set('Email', $_GET['email']);
			$TPL->set('SITE_NAME', SITE_NAME);
			$TPL->set('SITE_URL', SITE_URL);
			$TPL->set('IRC_SERVER', BOT_SERVER);
			$TPL->set('DISABLED_CHAN', BOT_DISABLED_CHAN);

			Misc::send_email($_GET['email'], 'New account confirmation at '.SITE_NAME, $TPL->get(), 'noreply');
		}

		return array("key" => $key, "invite_url" => $site_url);
	}
}