//import { Log } from "@ubccpsc310/project-support";
//"@ubccpsc310/project-support": "^4.0.0",
import Server from "./rest/Server";

/**
 * Main app class that is run with the node command. Starts the server.
 */
export class App {
	private server: Server | null = null;

	public async initServer(port: number): Promise<void> {
		//Log.info(`App::initServer( ${port} ) - start`);
		//console.log(`App::initServer( ${port} ) - start`);

		this.server = new Server(port);
		return this.server
			.start()
			.then(() => {
				//Log.info("App::initServer() - started");
				//console.log("App::initServer() - started");
			})
			.catch((err: Error) => {
				//Log.error(`App::initServer() - ERROR: ${err.message}`);
				//console.error(`App::initServer() - ERROR: ${err.message}`);
			});
	}

	public async stop(): Promise<void> {
		if (this.server) {
			await this.server.stop();
		}
	}
}

// This ends up starting the whole system and listens on a hardcoded port (4321)
//Log.info("App - starting");
//console.log("App - starting");
const port = parseInt(process.env.PORT || "4321", 10);
const app = new App();
(async (): Promise<void> => {
	await app.initServer(port);
})();

const shutdown: () => Promise<void> = async () => {
	//console.log("Shutdown signal received. Closing server...");
	try {
		await app.stop();
		//console.log("Server shut down gracefully.");
		process.exit(0);
	} catch {
		//console.error("Error during shutdown:", err);
		process.exit(1);
	}
};

process.on("SIGTERM", shutdown);
process.on("SIGINT", shutdown);