package envoy.server;

import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

import com.jenkov.nioserver.Server;

import envoy.server.data.ConfigItem;
import envoy.server.data.PersistenceManager;
import envoy.server.net.ConnectionManager;
import envoy.server.net.ObjectMessageProcessor;
import envoy.server.net.ObjectMessageReader;
import envoy.server.processors.*;

/**
 * Starts the server.<br>
 * <br>
 * Project: <strong>envoy-server-standalone</strong><br>
 * File: <strong>Startup.java</strong><br>
 * Created: <strong>24.12.2019</strong><br>
 *
 * @author Kai S. K. Engelbart
 * @since Envoy Server Standalone v0.1-alpha
 */
public class Startup {

	/**
	 * Starts the server.
	 *
	 * @param args the run configuration. Currently unused.
	 * @throws IOException if the server crashes
	 * @since Envoy Server Standalone v0.1-alpha
	 */
	public static void main(String[] args) throws IOException {
		Set<ObjectProcessor<?>> processors = new HashSet<>();
		processors.add(new LoginCredentialProcessor());
		processors.add(new MessageProcessor());
		processors.add(new MessageStatusChangeProcessor());
		processors.add(new UserStatusChangeProcessor());
		processors.add(new IdGeneratorRequestProcessor());
		processors.add(new ContactsRequestEventProcessor());
		processors.add(new ContactOperationProcessor());
		Server server = new Server(8080, () -> new ObjectMessageReader(), new ObjectMessageProcessor(processors));

		initializeCurrentMessageId();

		server.start();
		server.getSocketProcessor().registerSocketIdListener(ConnectionManager.getInstance());

		System.out.println("Press the return key to stop the server...");
		System.in.read();
		System.out.println("Stopped");
		System.exit(0);
	}

	private static void initializeCurrentMessageId() {
		PersistenceManager persMan = PersistenceManager.getInstance();
		if (persMan.getConfigItemById("currentMessageId") == null) persMan.addConfigItem(new ConfigItem("currentMessageId", "0"));
	}
}