/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * @author godson
 */

package l2.universe.gameserver.model.olympiad;

import gnu.trove.TIntIntHashMap;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Calendar;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ScheduledFuture;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import javolution.util.FastMap;

import l2.universe.Config;
import l2.universe.L2DatabaseFactory;
import l2.universe.gameserver.Announcements;
import l2.universe.gameserver.ThreadPoolManager;
import l2.universe.gameserver.instancemanager.AntiFeedManager;
import l2.universe.gameserver.instancemanager.ZoneManager;
import l2.universe.gameserver.model.actor.instance.L2PcInstance;
import l2.universe.gameserver.model.entity.Hero;
import l2.universe.gameserver.network.SystemMessageId;
import l2.universe.gameserver.network.serverpackets.SystemMessage;
import l2.universe.gameserver.templates.StatsSet;
import l2.universe.util.L2FastList;

public class Olympiad
{
	protected static final Logger _log = Logger.getLogger(Olympiad.class.getName());
	protected static final Logger _logResults = Logger.getLogger("olympiad");
	
	private static Map<Integer, StatsSet> _nobles;
	protected static L2FastList<StatsSet> _heroesToBe;
	private static TIntIntHashMap _noblesRank;
	
	private static final String OLYMPIAD_DATA_FILE = "config/olympiad.properties";
	public static final String OLYMPIAD_HTML_PATH = "data/html/olympiad/";
	private static final String OLYMPIAD_LOAD_DATA = "SELECT current_cycle, period, olympiad_end, validation_end, " + "next_weekly_change FROM olympiad_data WHERE id = 0";
	private static final String OLYMPIAD_SAVE_DATA = "INSERT INTO olympiad_data (id, current_cycle, " + "period, olympiad_end, validation_end, next_weekly_change) VALUES (0,?,?,?,?,?) " + "ON DUPLICATE KEY UPDATE current_cycle=?, period=?, olympiad_end=?, " + "validation_end=?, next_weekly_change=?";
	private static final String OLYMPIAD_LOAD_NOBLES = "SELECT olympiad_nobles.charId, olympiad_nobles.class_id, " + "characters.char_name, olympiad_nobles.olympiad_points, olympiad_nobles.competitions_done, " + "olympiad_nobles.competitions_won, olympiad_nobles.competitions_lost, olympiad_nobles.competitions_drawn " + "FROM olympiad_nobles, characters WHERE characters.charId = olympiad_nobles.charId";
	private static final String OLYMPIAD_SAVE_NOBLES = "INSERT INTO olympiad_nobles " + "(`charId`,`class_id`,`olympiad_points`,`competitions_done`,`competitions_won`,`competitions_lost`," + "`competitions_drawn`) VALUES (?,?,?,?,?,?,?)";
	private static final String OLYMPIAD_UPDATE_NOBLES = "UPDATE olympiad_nobles SET " + "olympiad_points = ?, competitions_done = ?, competitions_won = ?, competitions_lost = ?, competitions_drawn = ? WHERE charId = ?";
	private static final String OLYMPIAD_GET_HEROS = "SELECT olympiad_nobles.charId, characters.char_name " + "FROM olympiad_nobles, characters WHERE characters.charId = olympiad_nobles.charId " + "AND olympiad_nobles.class_id = ? AND olympiad_nobles.competitions_done >= " + Config.ALT_OLY_MIN_MATCHES + " AND olympiad_nobles.competitions_won > 0 " + "ORDER BY olympiad_nobles.olympiad_points DESC, olympiad_nobles.competitions_done DESC, olympiad_nobles.competitions_won DESC";
	private static final String GET_ALL_CLASSIFIED_NOBLESS = "SELECT charId from olympiad_nobles_eom " + "WHERE competitions_done >= " + Config.ALT_OLY_MIN_MATCHES + " ORDER BY olympiad_points DESC, competitions_done DESC, competitions_won DESC";
	private static final String GET_EACH_CLASS_LEADER = "SELECT characters.char_name from olympiad_nobles_eom, characters " + "WHERE characters.charId = olympiad_nobles_eom.charId AND olympiad_nobles_eom.class_id = ? " + "AND olympiad_nobles_eom.competitions_done >= " + Config.ALT_OLY_MIN_MATCHES + " " + "ORDER BY olympiad_nobles_eom.olympiad_points DESC, olympiad_nobles_eom.competitions_done DESC, olympiad_nobles_eom.competitions_won DESC LIMIT 10";
	private static final String GET_EACH_CLASS_LEADER_CURRENT = "SELECT characters.char_name from olympiad_nobles, characters " + "WHERE characters.charId = olympiad_nobles.charId AND olympiad_nobles.class_id = ? " + "AND olympiad_nobles.competitions_done >= " + Config.ALT_OLY_MIN_MATCHES + " " + "ORDER BY olympiad_nobles.olympiad_points DESC, olympiad_nobles.competitions_done DESC, olympiad_nobles.competitions_won DESC LIMIT 10";
	private static final String GET_EACH_CLASS_LEADER_SOULHOUND = "SELECT characters.char_name from olympiad_nobles_eom, characters " + "WHERE characters.charId = olympiad_nobles_eom.charId AND (olympiad_nobles_eom.class_id = ? OR olympiad_nobles_eom.class_id = 133) " + "AND olympiad_nobles_eom.competitions_done >= " + Config.ALT_OLY_MIN_MATCHES + " " + "ORDER BY olympiad_nobles_eom.olympiad_points DESC, olympiad_nobles_eom.competitions_done DESC, olympiad_nobles_eom.competitions_won DESC LIMIT 10";
	private static final String GET_EACH_CLASS_LEADER_CURRENT_SOULHOUND = "SELECT characters.char_name from olympiad_nobles, characters " + "WHERE characters.charId = olympiad_nobles.charId AND (olympiad_nobles.class_id = ? OR olympiad_nobles.class_id = 133) " + "AND olympiad_nobles.competitions_done >= " + Config.ALT_OLY_MIN_MATCHES + " " + "ORDER BY olympiad_nobles.olympiad_points DESC, olympiad_nobles.competitions_done DESC, olympiad_nobles.competitions_won DESC LIMIT 10";
	
	private static final String OLYMPIAD_DELETE_ALL = "TRUNCATE olympiad_nobles";
	private static final String OLYMPIAD_MONTH_CLEAR = "TRUNCATE olympiad_nobles_eom";
	private static final String OLYMPIAD_MONTH_CREATE = "INSERT INTO olympiad_nobles_eom SELECT * FROM olympiad_nobles";
	private static final int[] HERO_IDS = { 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 131, 132, 133, 134 };
	
	private static final int COMP_START = Config.ALT_OLY_START_TIME; // 6PM
	private static final int COMP_MIN = Config.ALT_OLY_MIN; // 00 mins
	private static final long COMP_PERIOD = Config.ALT_OLY_CPERIOD; // 6 hours
	protected static final long WEEKLY_PERIOD = Config.ALT_OLY_WPERIOD; // 1 week
	protected static final long VALIDATION_PERIOD = Config.ALT_OLY_VPERIOD; // 24 hours
	
	protected static final int DEFAULT_POINTS = Config.ALT_OLY_START_POINTS;
	protected static final int WEEKLY_POINTS = Config.ALT_OLY_WEEKLY_POINTS;
	
	public static final String CHAR_ID = "charId";
	public static final String CLASS_ID = "class_id";
	public static final String CHAR_NAME = "char_name";
	public static final String POINTS = "olympiad_points";
	public static final String COMP_DONE = "competitions_done";
	public static final String COMP_WON = "competitions_won";
	public static final String COMP_LOST = "competitions_lost";
	public static final String COMP_DRAWN = "competitions_drawn";
	
	protected long _olympiadEnd;
	protected long _validationEnd;
	
	/**
	 * The current period of the olympiad.<br>
	 * <b>0 -</b> Competition period<br>
	 * <b>1 -</b> Validation Period
	 */
	protected int _period;
	protected long _nextWeeklyChange;
	protected int _currentCycle;
	private long _compEnd;
	private Calendar _compStart;
	protected static boolean _inCompPeriod;
	protected static boolean _compStarted = false;
	protected ScheduledFuture<?> _scheduledCompStart;
	protected ScheduledFuture<?> _scheduledCompEnd;
	protected ScheduledFuture<?> _scheduledOlympiadEnd;
	protected ScheduledFuture<?> _scheduledWeeklyTask;
	protected ScheduledFuture<?> _scheduledValdationTask;
	protected ScheduledFuture<?> _gameManager = null;
	protected ScheduledFuture<?> _gameAnnouncer = null;
	
	public static Olympiad getInstance()
	{
		return SingletonHolder._instance;
	}
	
	private Olympiad()
	{
		load();
		AntiFeedManager.getInstance().registerEvent(AntiFeedManager.OLYMPIAD_ID);
		
		if (_period == 0)
			init();
	}
	
	private void load()
	{
		_nobles = new FastMap<Integer, StatsSet>();
		
		Connection con = null;

		boolean loaded = false;
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con.prepareStatement(OLYMPIAD_LOAD_DATA);
			ResultSet rset = statement.executeQuery();
			
			while (rset.next())
			{
				_currentCycle = rset.getInt("current_cycle");
				_period = rset.getInt("period");
				_olympiadEnd = rset.getLong("olympiad_end");
				_validationEnd = rset.getLong("validation_end");
				_nextWeeklyChange = rset.getLong("next_weekly_change");
				loaded = true;
			}
			
			rset.close();
			statement.close();
		}
		catch (Exception e)
		{
			_log.log(Level.WARNING, "Olympiad System: Error loading olympiad data from database: ", e);
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}

		if (!loaded)
		{
			_log.log(Level.INFO, "Olympiad System: failed to load data from database, trying to load from file.");

			Properties OlympiadProperties = new Properties();
			InputStream is = null;
			try
			{
				is = new FileInputStream(new File("./" + OLYMPIAD_DATA_FILE));
				OlympiadProperties.load(is);
			}
			catch (Exception e)
			{
				_log.log(Level.SEVERE, "Olympiad System: Error loading olympiad properties: ", e);
				return;
			}
			finally
			{
				try
				{
					is.close();
				}
				catch (Exception e)
				{
					_log.log(Level.WARNING, "", e);
				}
			}
			
			_currentCycle = Integer.parseInt(OlympiadProperties.getProperty("CurrentCycle", "1"));
			_period = Integer.parseInt(OlympiadProperties.getProperty("Period", "0"));
			_olympiadEnd = Long.parseLong(OlympiadProperties.getProperty("OlympiadEnd", "0"));
			_validationEnd = Long.parseLong(OlympiadProperties.getProperty("ValidationEnd", "0"));
			_nextWeeklyChange = Long.parseLong(OlympiadProperties.getProperty("NextWeeklyChange", "0"));
		}
		
		switch (_period)
		{
			case 0:
				if (_olympiadEnd == 0 || _olympiadEnd < Calendar.getInstance().getTimeInMillis())
					setNewOlympiadEnd();
				else
					scheduleWeeklyChange();
				break;
			case 1:
				if (_validationEnd > Calendar.getInstance().getTimeInMillis())
				{
					loadNoblesRank();
					_scheduledValdationTask = ThreadPoolManager.getInstance().scheduleGeneral(new ValidationEndTask(), getMillisToValidationEnd());
				}
				else
				{
					_currentCycle++;
					_period = 0;
					deleteNobles();
					setNewOlympiadEnd();
				}
				break;
			default:
				_log.warning("Olympiad System: Omg something went wrong in loading!! Period = " + _period);
				return;
		}
		
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con.prepareStatement(OLYMPIAD_LOAD_NOBLES);
			ResultSet rset = statement.executeQuery();
			
			while (rset.next())
			{
				StatsSet statData = new StatsSet();
				int charId = rset.getInt(CHAR_ID);
				statData.set(CLASS_ID, rset.getInt(CLASS_ID));
				statData.set(CHAR_NAME, rset.getString(CHAR_NAME));
				statData.set(POINTS, rset.getInt(POINTS));
				statData.set(COMP_DONE, rset.getInt(COMP_DONE));
				statData.set(COMP_WON, rset.getInt(COMP_WON));
				statData.set(COMP_LOST, rset.getInt(COMP_LOST));
				statData.set(COMP_DRAWN, rset.getInt(COMP_DRAWN));
				statData.set("to_save", false);
				
				_nobles.put(charId, statData);
			}
			
			rset.close();
			statement.close();
		}
		catch (Exception e)
		{
			_log.log(Level.WARNING, "Olympiad System: Error loading noblesse data from database: ", e);
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
		
		synchronized (this)
		{
			_log.info("Olympiad System: Loading Olympiad System....");
			if (_period == 0)
				_log.info("Olympiad System: Currently in Olympiad Period");
			else
				_log.info("Olympiad System: Currently in Validation Period");
			
			long milliToEnd;
			if (_period == 0)
				milliToEnd = getMillisToOlympiadEnd();
			else
				milliToEnd = getMillisToValidationEnd();
			
			_log.info("Olympiad System: " + Math.round(milliToEnd / 60000) + " minutes until period ends");
			
			if (_period == 0)
			{
				milliToEnd = getMillisToWeekChange();
				
				_log.info("Olympiad System: Next weekly change is in " + Math.round(milliToEnd / 60000) + " minutes");
			}
		}
		
		_log.info("Olympiad System: Loaded " + _nobles.size() + " Nobles");
		
	}
	
	public void loadNoblesRank()
	{
		_noblesRank = new TIntIntHashMap();
		TIntIntHashMap tmpPlace = new TIntIntHashMap();
		
		Connection con = null;
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con.prepareStatement(GET_ALL_CLASSIFIED_NOBLESS);
			ResultSet rset = statement.executeQuery();
			
			int place = 1;
			while (rset.next())
			{
				tmpPlace.put(rset.getInt(CHAR_ID), place++);
			}
			
			rset.close();
			statement.close();
		}
		catch (Exception e)
		{
			_log.log(Level.WARNING, "Olympiad System: Error loading noblesse data from database for Ranking: ", e);
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
		
		int rank1 = (int) Math.round(tmpPlace.size() * 0.01);
		int rank2 = (int) Math.round(tmpPlace.size() * 0.10);
		int rank3 = (int) Math.round(tmpPlace.size() * 0.25);
		int rank4 = (int) Math.round(tmpPlace.size() * 0.50);
		if (rank1 == 0)
		{
			rank1 = 1;
			rank2++;
			rank3++;
			rank4++;
		}
		
		for (int charId : tmpPlace.keys())
		{
			if (tmpPlace.get(charId) <= rank1)
				_noblesRank.put(charId, 1);
			else if (tmpPlace.get(charId) <= rank2)
				_noblesRank.put(charId, 2);
			else if (tmpPlace.get(charId) <= rank3)
				_noblesRank.put(charId, 3);
			else if (tmpPlace.get(charId) <= rank4)
				_noblesRank.put(charId, 4);
			else
				_noblesRank.put(charId, 5);
		}
	}
	
	protected void init()
	{
		if (_period == 1)
			return;
		
		_compStart = Calendar.getInstance();
		_compStart.set(Calendar.HOUR_OF_DAY, COMP_START);
		_compStart.set(Calendar.MINUTE, COMP_MIN);
		_compEnd = _compStart.getTimeInMillis() + COMP_PERIOD;
		
		if (_scheduledOlympiadEnd != null)
			_scheduledOlympiadEnd.cancel(true);
		
		_scheduledOlympiadEnd = ThreadPoolManager.getInstance().scheduleGeneral(new OlympiadEndTask(), getMillisToOlympiadEnd());
		
		updateCompStatus();
	}
	
	protected class OlympiadEndTask implements Runnable
	{
		public void run()
		{
			SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.OLYMPIAD_PERIOD_S1_HAS_ENDED);
			sm.addNumber(_currentCycle);
			
			Announcements.getInstance().announceToAll(sm);
			Announcements.getInstance().announceToAll("Olympiad Validation Period has began");
			sm = null;
			
			if (_scheduledWeeklyTask != null)
				_scheduledWeeklyTask.cancel(true);
			
			saveNobleData();
			
			_period = 1;
			sortHerosToBe();
			Hero.getInstance().resetData();
			Hero.getInstance().computeNewHeroes(_heroesToBe);
			
			saveOlympiadStatus();
			updateMonthlyData();
			
			Calendar validationEnd = Calendar.getInstance();
			_validationEnd = validationEnd.getTimeInMillis() + VALIDATION_PERIOD;
			
			loadNoblesRank();
			_scheduledValdationTask = ThreadPoolManager.getInstance().scheduleGeneral(new ValidationEndTask(), getMillisToValidationEnd());
		}
	}
	
	protected class ValidationEndTask implements Runnable
	{
		public void run()
		{
			Announcements.getInstance().announceToAll("Olympiad Validation Period has ended");
			_period = 0;
			_currentCycle++;
			deleteNobles();
			setNewOlympiadEnd();
			init();
		}
	}
	
	protected static int getNobleCount()
	{
		return _nobles.size();
	}
	
	public static StatsSet getNobleStats(int playerId)
	{
		return _nobles.get(playerId);
	}
	
	protected static synchronized void updateNobleStats(int playerId, StatsSet stats)
	{
		_nobles.remove(playerId);
		_nobles.put(playerId, stats);
	}
	
	private void updateCompStatus()
	{
		// _compStarted = false;
		
		synchronized (this)
		{
			long milliToStart = getMillisToCompBegin();
			
			double numSecs = (milliToStart / 1000) % 60;
			double countDown = ((milliToStart / 1000) - numSecs) / 60;
			int numMins = (int) Math.floor(countDown % 60);
			countDown = (countDown - numMins) / 60;
			int numHours = (int) Math.floor(countDown % 24);
			int numDays = (int) Math.floor((countDown - numHours) / 24);
			
			_log.info("Olympiad System: Competition Period Starts in " + numDays + " days, " + numHours + " hours and " + numMins + " mins.");
			
			_log.info("Olympiad System: Event starts/started : " + _compStart.getTime());
		}
		
		_scheduledCompStart = ThreadPoolManager.getInstance().scheduleGeneral(new Runnable()
		{
			public void run()
			{
				if (isOlympiadEnd())
					return;
				
				_inCompPeriod = true;
				
				Announcements.getInstance().announceToAll(SystemMessage.getSystemMessage(SystemMessageId.THE_OLYMPIAD_GAME_HAS_STARTED));
				_log.info("Olympiad System: Olympiad Game Started");
				_logResults.info("Result,Player1,Player2,Player1 HP,Player2 HP,Player1 Damage,Player2 Damage,Points,Classed");
				
				_gameManager = ThreadPoolManager.getInstance().scheduleGeneralAtFixedRate(OlympiadGameManager.getInstance(), 30000, 30000);
				if (Config.ALT_OLY_ANNOUNCE_GAMES)
					_gameAnnouncer = ThreadPoolManager.getInstance().scheduleGeneralAtFixedRate(new OlympiadAnnouncer(), 30000, 500);
				
				long regEnd = getMillisToCompEnd() - 600000;
				if (regEnd > 0)
				{
					ThreadPoolManager.getInstance().scheduleGeneral(new Runnable()
					{
						public void run()
						{
							Announcements.getInstance().announceToAll(SystemMessage.getSystemMessage(SystemMessageId.OLYMPIAD_REGISTRATION_PERIOD_ENDED));
						}
					}, regEnd);
				}
				
				_scheduledCompEnd = ThreadPoolManager.getInstance().scheduleGeneral(new Runnable()
				{
					public void run()
					{
						if (isOlympiadEnd())
							return;
						
						_inCompPeriod = false;
						Announcements.getInstance().announceToAll(SystemMessage.getSystemMessage(SystemMessageId.THE_OLYMPIAD_GAME_HAS_ENDED));
						_log.info("Olympiad System: Olympiad Game Ended");
						
						while (OlympiadGameManager.getInstance().isBattleStarted()) // cleared in game manager
						{
							try
							{
								// wait 1 minutes for end of pendings games
								Thread.sleep(60000);
							}
							catch (InterruptedException e)
							{
							}
						}

						if (_gameManager != null)
						{
							_gameManager.cancel(false);
							_gameManager = null;
						}

						if (_gameAnnouncer != null)
						{
							_gameAnnouncer.cancel(false);
							_gameAnnouncer = null;
						}
						saveOlympiadStatus();
						
						init();
					}
				}, getMillisToCompEnd());
			}
		}, getMillisToCompBegin());
	}
	
	private long getMillisToOlympiadEnd()
	{
		// if (_olympiadEnd > Calendar.getInstance().getTimeInMillis())
		return (_olympiadEnd - Calendar.getInstance().getTimeInMillis());
		// return 10L;
	}
	
	public void manualSelectHeroes()
	{
		if (_scheduledOlympiadEnd != null)
			_scheduledOlympiadEnd.cancel(true);
		
		_scheduledOlympiadEnd = ThreadPoolManager.getInstance().scheduleGeneral(new OlympiadEndTask(), 0);
	}
	
	protected long getMillisToValidationEnd()
	{
		long cTime = Calendar.getInstance().getTimeInMillis();
		if (_validationEnd > cTime)
			return (_validationEnd - cTime);
		
		return 10L;
	}
	
	public boolean isOlympiadEnd()
	{
		return (_period != 0);
	}
	
	protected void setNewOlympiadEnd()
	{
		SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.OLYMPIAD_PERIOD_S1_HAS_STARTED);
		sm.addNumber(_currentCycle);
		
		Announcements.getInstance().announceToAll(sm);
		
		Calendar currentTime = Calendar.getInstance();
		currentTime.add(Calendar.MONTH, 1);
	      currentTime.set(Calendar.DAY_OF_MONTH, 1);
	      currentTime.set(Calendar.AM_PM, Calendar.AM);
	      currentTime.set(Calendar.HOUR, 12);
	      currentTime.set(Calendar.MINUTE, 0);
	      currentTime.set(Calendar.SECOND, 0);
	      _olympiadEnd = currentTime.getTimeInMillis();
		
		Calendar nextChange = Calendar.getInstance();
		_nextWeeklyChange = nextChange.getTimeInMillis() + WEEKLY_PERIOD;
		scheduleWeeklyChange();
	}
	
	public boolean inCompPeriod()
	{
		return _inCompPeriod;
	}
	
	private long getMillisToCompBegin()
	{
		if (_compStart.getTimeInMillis() < Calendar.getInstance().getTimeInMillis() && _compEnd > Calendar.getInstance().getTimeInMillis())
			return 10L;
		
		if (_compStart.getTimeInMillis() > Calendar.getInstance().getTimeInMillis())
			return (_compStart.getTimeInMillis() - Calendar.getInstance().getTimeInMillis());
		
		return setNewCompBegin();
	}
	
	private long setNewCompBegin()
	{
		_compStart = Calendar.getInstance();
		_compStart.set(Calendar.HOUR_OF_DAY, COMP_START);
		_compStart.set(Calendar.MINUTE, COMP_MIN);
		_compStart.add(Calendar.HOUR_OF_DAY, 24);
		_compEnd = _compStart.getTimeInMillis() + COMP_PERIOD;
		
		_log.info("Olympiad System: New Schedule @ " + _compStart.getTime());
		
		return (_compStart.getTimeInMillis() - Calendar.getInstance().getTimeInMillis());
	}
	
	protected long getMillisToCompEnd()
	{
		// if (_compEnd > Calendar.getInstance().getTimeInMillis())
		return (_compEnd - Calendar.getInstance().getTimeInMillis());
		// return 10L;
	}
	
	private long getMillisToWeekChange()
	{
		long cTime = Calendar.getInstance().getTimeInMillis();
		if (_nextWeeklyChange > cTime)
			return (_nextWeeklyChange - cTime);
		
		return 10L;
	}
	
	private void scheduleWeeklyChange()
	{
		_scheduledWeeklyTask = ThreadPoolManager.getInstance().scheduleGeneralAtFixedRate(new Runnable()
		{
			public void run()
			{
				addWeeklyPoints();
				_log.info("Olympiad System: Added weekly points to nobles");
				
				Calendar nextChange = Calendar.getInstance();
				_nextWeeklyChange = nextChange.getTimeInMillis() + WEEKLY_PERIOD;
			}
		}, getMillisToWeekChange(), WEEKLY_PERIOD);
	}
	
	protected synchronized void addWeeklyPoints()
	{
		if (_period == 1)
			return;
		
		for (Integer nobleId : _nobles.keySet())
		{
			StatsSet nobleInfo = _nobles.get(nobleId);
			int currentPoints = nobleInfo.getInteger(POINTS) + WEEKLY_POINTS;
			nobleInfo.set(POINTS, currentPoints);
			
			updateNobleStats(nobleId, nobleInfo);
		}
	}
	
	public int getCurrentCycle()
	{
		return _currentCycle;
	}
	
	public boolean playerInStadia(L2PcInstance player)
	{
		return (ZoneManager.getInstance().getOlympiadStadium(player) != null);
	}
	
	/**
	 * Save noblesse data to database
	 */
	protected synchronized void saveNobleData()
	{
		if (_nobles == null || _nobles.isEmpty())
			return;
		
		Connection con = null;
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement;
			
			for (Integer nobleId : _nobles.keySet())
			{
				StatsSet nobleInfo = _nobles.get(nobleId);
				
				if (nobleInfo == null)
					continue;
				
				int charId = nobleId;
				int classId = nobleInfo.getInteger(CLASS_ID);
				int points = nobleInfo.getInteger(POINTS);
				int compDone = nobleInfo.getInteger(COMP_DONE);
				int compWon = nobleInfo.getInteger(COMP_WON);
				int compLost = nobleInfo.getInteger(COMP_LOST);
				int compDrawn = nobleInfo.getInteger(COMP_DRAWN);
				boolean toSave = nobleInfo.getBool("to_save");
				
				if (toSave)
				{
					statement = con.prepareStatement(OLYMPIAD_SAVE_NOBLES);
					statement.setInt(1, charId);
					statement.setInt(2, classId);
					statement.setInt(3, points);
					statement.setInt(4, compDone);
					statement.setInt(5, compWon);
					statement.setInt(6, compLost);
					statement.setInt(7, compDrawn);
					
					nobleInfo.set("to_save", false);
					
					updateNobleStats(nobleId, nobleInfo);
				}
				else
				{
					statement = con.prepareStatement(OLYMPIAD_UPDATE_NOBLES);
					statement.setInt(1, points);
					statement.setInt(2, compDone);
					statement.setInt(3, compWon);
					statement.setInt(4, compLost);
					statement.setInt(5, compDrawn);
					statement.setInt(6, charId);
				}
				statement.execute();
				statement.close();
			}
		}
		catch (SQLException e)
		{
			_log.log(Level.SEVERE, "Olympiad System: Failed to save noblesse data to database: ", e);
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
	}
	
	/**
	 *  Save olympiad.properties file with current olympiad status and update noblesse table in database
	 */
	public void saveOlympiadStatus()
	{
		saveNobleData();
		
		Connection con = null;
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con.prepareStatement(OLYMPIAD_SAVE_DATA);
			
			statement.setInt(1, _currentCycle);
			statement.setInt(2, _period);
			statement.setLong(3, _olympiadEnd);
			statement.setLong(4, _validationEnd);
			statement.setLong(5, _nextWeeklyChange);
			statement.setInt(6, _currentCycle);
			statement.setInt(7, _period);
			statement.setLong(8, _olympiadEnd);
			statement.setLong(9, _validationEnd);
			statement.setLong(10, _nextWeeklyChange);
			
			statement.execute();
			statement.close();
		}
		catch (SQLException e)
		{
			_log.log(Level.SEVERE, "Olympiad System: Failed to save olympiad data to database: ", e);
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
	}
	
	protected void updateMonthlyData()
	{
		Connection con = null;
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement;
			
			statement = con.prepareStatement(OLYMPIAD_MONTH_CLEAR);
			statement.execute();
			statement.close();
			statement = con.prepareStatement(OLYMPIAD_MONTH_CREATE);
			statement.execute();
			statement.close();
		}
		catch (SQLException e)
		{
			_log.log(Level.SEVERE, "Olympiad System: Failed to update monthly noblese data: ", e);
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
	}
	
	protected void sortHerosToBe()
	{
		if (_period != 1)
			return;
		
		LogRecord record;
		if (_nobles != null)
		{
			_logResults.info("Noble,charid,classid,compDone,points");
			
			for (Integer nobleId : _nobles.keySet())
			{
				StatsSet nobleInfo = _nobles.get(nobleId);
				
				if (nobleInfo == null)
					continue;
				
				int charId = nobleId;
				int classId = nobleInfo.getInteger(CLASS_ID);
				String charName = nobleInfo.getString(CHAR_NAME);
				int points = nobleInfo.getInteger(POINTS);
				int compDone = nobleInfo.getInteger(COMP_DONE);
				
				record = new LogRecord(Level.INFO, charName);
				record.setParameters(new Object[] { charId, classId, compDone, points });
				_logResults.log(record);
			}
		}
		
		_heroesToBe = new L2FastList<StatsSet>();
		
		Connection con = null;
		
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con.prepareStatement(OLYMPIAD_GET_HEROS);
			ResultSet rset;
			StatsSet hero;
			L2FastList<StatsSet> soulHounds = new L2FastList<StatsSet>();
			for (int i = 0; i < HERO_IDS.length; i++)
			{
				statement.setInt(1, HERO_IDS[i]);
				rset = statement.executeQuery();
				statement.clearParameters();
				
				if (rset.next())
				{
					hero = new StatsSet();
					hero.set(CLASS_ID, HERO_IDS[i]);
					hero.set(CHAR_ID, rset.getInt(CHAR_ID));
					hero.set(CHAR_NAME, rset.getString(CHAR_NAME));
					
					if (HERO_IDS[i] == 132 || HERO_IDS[i] == 133) // Male & Female Soulhounds rank as one hero class
					{
						hero = _nobles.get(hero.getInteger(CHAR_ID));
						hero.set(CHAR_ID, rset.getInt(CHAR_ID));
						soulHounds.add(hero);
					}
					else
					{
						record = new LogRecord(Level.INFO, "Hero " + hero.getString(CHAR_NAME));
						record.setParameters(new Object[] { hero.getInteger(CHAR_ID), hero.getInteger(CLASS_ID) });
						_logResults.log(record);
						_heroesToBe.add(hero);
					}
				}
				rset.close();
			}
			statement.close();
			
			switch (soulHounds.size())
			{
				case 0:
					break;
				case 1:
				{
					hero = new StatsSet();
					StatsSet winner = soulHounds.get(0);
					hero.set(CLASS_ID, winner.getInteger(CLASS_ID));
					hero.set(CHAR_ID, winner.getInteger(CHAR_ID));
					hero.set(CHAR_NAME, winner.getString(CHAR_NAME));
					
					record = new LogRecord(Level.INFO, "Hero " + hero.getString(CHAR_NAME));
					record.setParameters(new Object[] { hero.getInteger(CHAR_ID), hero.getInteger(CLASS_ID) });
					_logResults.log(record);
					_heroesToBe.add(hero);
					break;
				}
				case 2:
				{
					hero = new StatsSet();
					StatsSet winner;
					StatsSet hero1 = soulHounds.get(0);
					StatsSet hero2 = soulHounds.get(1);
					int hero1Points = hero1.getInteger(POINTS);
					int hero2Points = hero2.getInteger(POINTS);
					int hero1Comps = hero1.getInteger(COMP_DONE);
					int hero2Comps = hero2.getInteger(COMP_DONE);
					int hero1Wins = hero1.getInteger(COMP_WON);
					int hero2Wins = hero2.getInteger(COMP_WON);
					
					if (hero1Points > hero2Points)
						winner = hero1;
					else if (hero2Points > hero1Points)
						winner = hero2;
					else
					{
						if (hero1Comps > hero2Comps)
							winner = hero1;
						else if (hero2Comps > hero1Comps)
							winner = hero2;
						else
						{
							if (hero1Wins > hero2Wins)
								winner = hero1;
							else
								winner = hero2;
						}
					}
					
					hero.set(CLASS_ID, winner.getInteger(CLASS_ID));
					hero.set(CHAR_ID, winner.getInteger(CHAR_ID));
					hero.set(CHAR_NAME, winner.getString(CHAR_NAME));
					
					record = new LogRecord(Level.INFO, "Hero " + hero.getString(CHAR_NAME));
					record.setParameters(new Object[] { hero.getInteger(CHAR_ID), hero.getInteger(CLASS_ID) });
					_logResults.log(record);
					_heroesToBe.add(hero);
					break;
				}
			}
		}
		catch (SQLException e)
		{
			_log.warning("Olympiad System: Couldnt load heros from DB");
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
		
	}
	
	public L2FastList<String> getClassLeaderBoard(int classId)
	{
		// if (_period != 1) return;
		
		L2FastList<String> names = new L2FastList<String>();
		Connection con = null;
		
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement;
			ResultSet rset;
			if (Config.ALT_OLY_SHOW_MONTHLY_WINNERS)
			{
				if (classId == 132)
					statement = con.prepareStatement(GET_EACH_CLASS_LEADER_SOULHOUND);
				else
					statement = con.prepareStatement(GET_EACH_CLASS_LEADER);
			}
			else
			{
				if (classId == 132)
					statement = con.prepareStatement(GET_EACH_CLASS_LEADER_CURRENT_SOULHOUND);
				else
					statement = con.prepareStatement(GET_EACH_CLASS_LEADER_CURRENT);
			}
			statement.setInt(1, classId);
			rset = statement.executeQuery();
			
			while (rset.next())
			{
				names.add(rset.getString(CHAR_NAME));
			}
			
			statement.close();
			rset.close();
			
			return names;
		}
		catch (SQLException e)
		{
			_log.warning("Olympiad System: Couldnt load olympiad leaders from DB");
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
		
		return names;
		
	}
	
	public int getNoblessePasses(L2PcInstance player, boolean clear)
	{
		if (_period != 1 || _noblesRank.isEmpty())
			return 0;
		
		int objId = player.getObjectId();
		if (!_noblesRank.containsKey(objId))
			return 0;
		
		StatsSet noble = _nobles.get(objId);
		if (noble.getInteger(POINTS) == 0)
			return 0;
		
		int rank = _noblesRank.get(objId);
		int points = (player.isHero() ? Config.ALT_OLY_HERO_POINTS : 0);
		switch (rank)
		{
			case 1:
				points += Config.ALT_OLY_RANK1_POINTS;
				break;
			case 2:
				points += Config.ALT_OLY_RANK2_POINTS;
				break;
			case 3:
				points += Config.ALT_OLY_RANK3_POINTS;
				break;
			case 4:
				points += Config.ALT_OLY_RANK4_POINTS;
				break;
			default:
				points += Config.ALT_OLY_RANK5_POINTS;
		}
		
		if (clear)
		{
			noble.set(POINTS, 0);
			updateNobleStats(objId, noble);
		}
		
		return points * Config.ALT_OLY_GP_PER_POINT;
	}
	
	public int getNoblePoints(int objId)
	{
		if (_nobles.isEmpty())
			return 0;
		
		StatsSet noble = _nobles.get(objId);
		if (noble == null)
			return 0;
		int points = noble.getInteger(POINTS);
		
		return points;
	}
	
	public int getLastNobleOlympiadPoints(int objId)
	{
		int result = 0;
		Connection con = null;
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement;
			statement = con.prepareStatement("SELECT olympiad_points FROM olympiad_nobles_eom WHERE charId = ?");
			statement.setInt(1, objId);
			ResultSet rs = statement.executeQuery();
			if (rs.first())
				result = rs.getInt(1);
			rs.close();
			statement.close();
		}
		catch (Exception e)
		{
			_log.log(Level.WARNING, "Could not load last olympiad points:", e);
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
		
		return result;
	}
	
	public int getCompetitionDone(int objId)
	{
		if (_nobles.isEmpty())
			return 0;
		
		StatsSet noble = _nobles.get(objId);
		if (noble == null)
			return 0;
		int points = noble.getInteger(COMP_DONE);
		
		return points;
	}
	
	public int getCompetitionWon(int objId)
	{
		if (_nobles.isEmpty())
			return 0;
		
		StatsSet noble = _nobles.get(objId);
		if (noble == null)
			return 0;
		int points = noble.getInteger(COMP_WON);
		
		return points;
	}
	
	public int getCompetitionLost(int objId)
	{
		if (_nobles.isEmpty())
			return 0;
		
		StatsSet noble = _nobles.get(objId);
		if (noble == null)
			return 0;
		int points = noble.getInteger(COMP_LOST);
		
		return points;
	}
	
	protected void deleteNobles()
	{
		Connection con = null;
		
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con.prepareStatement(OLYMPIAD_DELETE_ALL);
			statement.execute();
			statement.close();
		}
		catch (SQLException e)
		{
			_log.warning("Olympiad System: Couldnt delete nobles from DB");
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
		
		_nobles.clear();
	}
	@SuppressWarnings("synthetic-access")
	private static class SingletonHolder
	{
		protected static final Olympiad _instance = new Olympiad();
	}
}
