package envoy.server.processors;

import java.io.IOException;
import java.util.logging.Level;

import envoy.event.*;
import envoy.util.EnvoyLog;

import envoy.server.data.PersistenceManager;
import envoy.server.net.*;
import envoy.server.util.PasswordUtil;

/**
 * @author Leon Hofmeister
 * @since Envoy Server v0.2-beta
 */
public final class PasswordChangeRequestProcessor
	implements ObjectProcessor<PasswordChangeRequest> {

	@Override
	public void process(PasswordChangeRequest event, long socketID, ObjectWriteProxy writeProxy)
		throws IOException {
		final var	persistenceManager		= PersistenceManager.getInstance();
		final var	user					= persistenceManager
			.getUserByID(ConnectionManager.getInstance().getUserIDBySocketID(socketID));
		final var	logger					=
			EnvoyLog.getLogger(PasswordChangeRequestProcessor.class);
		final var	correctAuthentication	=
			PasswordUtil.validate(event.getOldPassword(), user.getPasswordHash());
		if (correctAuthentication) {
			user.setPasswordHash(PasswordUtil.hash(event.get()));
			logger.log(Level.INFO, user + " changed his password");
		} else
			logger.log(Level.INFO,
				user + " tried changing his password but provided insufficient authentication");
		writeProxy.write(socketID, new PasswordChangeResult(correctAuthentication));
	}
}