package ufrn.imd.controller.impl;

import ufrn.imd.controller.Controller;
import ufrn.imd.domain.Client;
import ufrn.imd.service.impl.BalanceServiceImpl;

import java.net.MalformedURLException;
import java.rmi.AlreadyBoundException;
import java.rmi.Naming;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.server.UnicastRemoteObject;
import java.util.*;

import static ufrn.imd.utils.NameSpace.HOST_BALANCE_SERVICE;
import static ufrn.imd.utils.NameSpace.PORT_BALANCE_SERVICE;

@lombok.extern.java.Log
public class BalanceControllerImpl extends UnicastRemoteObject implements Controller {

    private volatile Queue<Client> clients = new ArrayDeque<>();

    public BalanceControllerImpl(BalanceServiceImpl service) throws RemoteException, MalformedURLException, AlreadyBoundException {
        super();

        LocateRegistry.createRegistry(PORT_BALANCE_SERVICE);
        Naming.bind(HOST_BALANCE_SERVICE, this);
        log.info("Starting Deposit service!");

        new Notify(service).start();
        log.info(String.format("Initializing server in %s", HOST_BALANCE_SERVICE));

    }

    @Override
    public void registerClient(Client client) throws RemoteException {
        clients.add(client);
        log.info("new client registred");
        log.info(String.format("total users: %d", clients.size()));
    }




    private class Notify extends Thread{

        private final BalanceServiceImpl service;

        public Notify(BalanceServiceImpl service) {
            super();
            this.service = service;
        }
        public void run() {

            for(;;) {
                if(clients.size() > 0) {

                    log.info("notyfing the clients!");
                    int i = 0;
                    clients.stream().forEach(client -> {
                        try {

                            log.info(String.format("Clients waiting %d", clients.size()));
                            this.service.balance(Optional.of(client));
                            clients.remove();
                            log.info(String.format("Clients waiting %d", clients.size()));
                        } catch (RemoteException e) {
                            e.printStackTrace();
                        }
                    });

                    try {
                        Thread.sleep(15 * 1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            }

        }
    }
}