package rep;

import java.nio.channels.SocketChannel;
import java.util.LinkedList;
import java.util.List;

import rep.xml.SessionXMLEncoder;

public class SessionManagerList {

	private List<SocketChannel> list = new LinkedList<SocketChannel>();
	private int mySMID;
	private SocketChannel master;

	public void add(SocketChannel channel) {
		list.add(channel);
	}

	public void sendUpdate(int sessionID, String string) {
		for(SocketChannel channel : list){
			REPPacketSend send = new REPPacketSend(channel);
			send.send(new REPCommand(REP.SMCMD_UPDATE, 0, mySMID, 0, 0, string.length(), string));
		}
	}

	public void sendJoin(REPCommand command) {
		for(SocketChannel channel : list){
			REPPacketSend send = new REPPacketSend(channel);
			send.send(command);
		}
	}
	
	public void sendUpdateUp(REPCommand command){
		REPPacketSend send = new REPPacketSend(master);
		command.setCMD(REP.SMCMD_UPDATE_UP);
		send.send(command);
	}
	
	public void sendUpdateDown(REPCommand command){
		command.setCMD(REP.SMCMD_UPDATE_DOWN);
		for(SocketChannel channel : list){
			if(channel == master) continue;
			REPPacketSend send = new REPPacketSend(channel);
			send.send(command);
		}
	}
	
	public void setMaster(SocketChannel channel){
		this.master = channel;
	}

	public void sendSessionList(SessionList sessionlist, REPCommand command) {		
		SessionXMLEncoder encoder = new SessionXMLEncoder(sessionlist);
		command.setString(encoder.sessionListToXML());
		
		for(SocketChannel channel : list){
			REPPacketSend send = new REPPacketSend(channel);
			send.send(command);
		}
	}

	public void send(SocketChannel channel, REPCommand repCmd) {
		
	}

	public void sendToMaster(REPCommand repCmd) {
		REPPacketSend send = new REPPacketSend(master);
		send.send(repCmd);
	}

	public void sendToSlave(REPCommand repCmd) {
		for(SocketChannel channel : list){
			if(channel.equals(master)) continue;
			REPPacketSend send = new REPPacketSend(channel);
			send.send(repCmd);
		}
	}

	public void sendExcept(SocketChannel exceptChannel, REPCommand command) {
		for(SocketChannel channel : list){
			if(channel.equals(exceptChannel)) continue;
			REPPacketSend send = new REPPacketSend(channel);
			send.send(command);
		}
	}

}