import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Random;

import jerklib.*;
import jerklib.events.*;
import jerklib.events.IRCEvent.*;
import jerklib.listeners.*;

public class Main implements IRCEventListener {

    private ConnectionManager con;
    private ArrayList<String> allowed_users;
    private ArrayList<String> afk_users;

    public Main() {
        con = new ConnectionManager(new Profile("TinkernutBot"));
        con.requestConnection("irc.geekshed.net").addIRCEventListener(this);
        allowed_users = new ArrayList<String>();
        allowed_users.add("SBSTP");
        afk_users = new ArrayList<String>();
    }

    public void receiveEvent(IRCEvent e) {
        // When sucessfully connected to irc
        if (e.getType() == Type.CONNECT_COMPLETE) {
            e.getSession().join("#tinkernut");
        // Join tinkernut channel
        } else if (e.getType() == Type.JOIN) {
            JoinEvent je = (JoinEvent) e;
            je.getChannel().say("Welcome, " + je.getNick());
        // Handle commands
        } else if (e.getType() == Type.CHANNEL_MESSAGE) {
            MessageEvent me = (MessageEvent) e;
            Channel ch = me.getChannel();
            String msg = me.getMessage();
            // high lvl commands
            if (isUserAllowed(me.getNick())) {
                if (msg.startsWith("-say ")) {
                    ch.say(msg.substring(5));
                } else if (msg.equals("-quit")) {
                    con.quit();
                } else if (msg.startsWith("-add ")) {
                    allowed_users.add(msg.substring(5));
                    ch.say("User " + msg.substring(5) + " was added!");
                } else if (msg.startsWith("-rem ")) {
                    allowed_users.remove(msg.substring(5));
                    ch.say("User " + msg.substring(5) + " was removed!");
                } else if (msg.equals("-list")) {
                    ch.say("There are " + ch.getNicks().size() + " users online!");
                } else if (msg.equals("-controls")) {
                    StringBuilder strb = new StringBuilder();
                    for (String user : allowed_users) {
                        strb.append(user);
                        strb.append(" ");
                    }
                    ch.say(strb.toString());
                }
            }
            // low lvl commands
            if (msg.equals("-roll")) {
                ch.say("" + (new Random().nextInt(100) + 1));
            } else if (msg.equals("-time")) {
                SimpleDateFormat formatter = new SimpleDateFormat("K:mm:ss a, z");
                ch.say(formatter.format(new Date()));
            } else if (msg.equals("-afk")) {
                if (!isUserAfk(me.getNick())) {
                    afk_users.add(me.getNick());
                    ch.say(me.getNick() + " is now afk.");
                }
            } else if (msg.equals("-back")) {
                if (isUserAfk(me.getNick())) {
                    afk_users.remove(me.getNick());
                    ch.say(me.getNick() + " is now back.");
                }
            }
            for (String user : afk_users) {
                if (msg.toLowerCase().contains(user.toLowerCase())) {
                    ch.say("The user " + user + " is currently afk.");
                }
            }
        }
    }

    private boolean isUserAllowed(String nick) {
        nick = nick.toLowerCase();
        for (String n : allowed_users) {
            n = n.toLowerCase();
            if (n.equals(nick))
                return true;
        }
        return false;
    }

    private boolean isUserAfk(String nick) {
        nick = nick.toLowerCase();
        for (String n: afk_users) {
            n = n.toLowerCase();
            if (n.equals(nick))
                return true;
        }
        return false;
    }

    public static void main(String[] args) {
        new Main();
    }
}