import { UdpServer } from "../network/udp/udp_server";
import { TcpServer } from "../network/tcp/tcp_server";

let udpServer: UdpServer | null
let tcpServer: TcpServer | null

// Retrieve data from environment variables
const USER_UDP_PORT = parseInt(process.env.USER_UDP_PORT || '0', 10);
const USER_TCP_PORT = parseInt(process.env.USER_TCP_PORT || '0', 10);
const HOST = process.env.HOST || '';

// Initialize and start the servers
udpServer = new UdpServer(HOST, USER_UDP_PORT);
udpServer.start();

tcpServer = new TcpServer(HOST, USER_TCP_PORT);
tcpServer.start();

process.on('SIGTERM', async () => {
    console.log('Received SIGTERM. Cleaning up...');
    await cleanupAndExit();
});

process.on('SIGINT', async () => {
    console.log('Received SIGINT. Cleaning up...');
    await cleanupAndExit();
});

async function cleanupAndExit() {
    // Perform any cleanup, such as closing connections, saving data, etc.
    // Example: if you have a server instance running, you may want to close it:
    // await server.close();

    console.log('Cleanup complete. Exiting.');
    process.exit(0); // Exit with code 0 to indicate a clean exit
}