package com.rdlze.radializebase.notification;

import java.rmi.NotBoundException;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;

import com.rdlze.radializebase.interfaces.InterfaceNotifiable;
import com.rdlze.radializeutils.notification.Notification;

public final class Notifier {
	private static InterfaceNotifiable notifiable;
	private static InterfaceNotifiable[] notifiables;
	private static boolean[] needReconnect;
	private static boolean severalBrokers = false;
	private static String componentsName;
	private static String[] ips;
	private static NeedForReconnectChecker reconnecter = null;

	int config;

	public Notifier() {
	}

	public static final boolean init(String notificationSubjectIPAddress,
			String notificationSubjectServiceName, int port) {
		try {

			// Se Registra no BrokenServer
			Registry registry = LocateRegistry
					.getRegistry(notificationSubjectIPAddress);
			System.out.println("buggable " + notificationSubjectServiceName
					+ " " + notificationSubjectIPAddress);
			notifiable = (InterfaceNotifiable) registry
					.lookup(notificationSubjectServiceName);
		} catch (RemoteException e) {
			e.printStackTrace();
		} catch (NotBoundException e) {
			e.printStackTrace();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return true;
	}

	public static final synchronized void notify(Notification n)
			throws RemoteException {
		if(severalBrokers)
			for(int i = 0; i < notifiables.length; i++){
				InterfaceNotifiable iN = notifiables[i];
				try{
					iN.notify(n);
				}catch(Exception e){
					needReconnect[i] = true;
					e.printStackTrace();
				}
			}
		else
			notifiable.notify(n);
	}

	public static final synchronized void register(String IP, String name, int port)
			throws RemoteException {
		notifiable.registerNotifiable(IP, name, port);
	}

	/**
	 * Method to connect to several broker to notify.
	 * @param brokerIp Ips separated by comma
	 * @param notificationSubjectServiceName Name of the component which you are connecting to.
	 * @param shallSplitIps True if is connecting to several brokers.
	 */
	public static void init(String brokerIp, String notificationSubjectServiceName, int port,
			boolean shallSplitIps) {
		severalBrokers=true;
		System.out.println("init broker");
		ips = brokerIp.split(",");
		System.out.println("creating notifiables");
		notifiables = new InterfaceNotifiable[ips.length];

		System.out.println("enter for; split length: "+ ips.length);
		needReconnect = new boolean[ips.length];
		componentsName = notificationSubjectServiceName;
		for(int i = 0 ; i < ips.length; i++){

			try {
				Thread.sleep(1000);
			} catch (InterruptedException e1) {
				e1.printStackTrace();
			}
			connectTo(notificationSubjectServiceName, i);
		}

		if(severalBrokers&&reconnecter==null){
			reconnecter = new NeedForReconnectChecker();
			reconnecter.start();
		}

	}

	private static void connectTo(String notificationSubjectServiceName, int i) {
		String ip = ips[i].trim();
		try {
			System.out.println("getting broker registry 2 connect" + notificationSubjectServiceName
					+ " " + ip);
			// Se Registra no BrokenServer
			Registry registry = LocateRegistry
					.getRegistry(ip);

			notifiables[i] = (InterfaceNotifiable) registry
					.lookup(notificationSubjectServiceName);

			needReconnect[i] = false;
			System.out.println("buggable " + notificationSubjectServiceName
					+ " " + ip);
		} catch (RemoteException e) {
			e.printStackTrace();
		} catch (NotBoundException e) {
			e.printStackTrace();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private static class NeedForReconnectChecker extends Thread{

		public NeedForReconnectChecker(){}

		public void run(){
			while(true){
				try {
					if(needReconnect!=null)
						System.out.println("Checking need for reconnecting...");
					for(int i = 0; i < needReconnect.length; i++){
						if(needReconnect[i]){
							connectTo(componentsName, i);
						}
					}

					sleep(60000);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}
	}
}