/*
 * 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/>.
 */
package net.sf.l2j.gameserver.instancemanager;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Map;

import javolution.util.FastMap;
import net.sf.l2j.L2DatabaseFactory;
import net.sf.l2j.gameserver.datatables.ClanTable;
import net.sf.l2j.gameserver.model.L2Clan;
import net.sf.l2j.gameserver.model.entity.ClanHall;

/**
 * @author Steuf
 */
public class ClanHallManager
{
	private static ClanHallManager _instance;
	private Map<Integer, ClanHall> _clanHall;
	private Map<Integer, ClanHall> _freeClanHall;
	private boolean _loaded = false;

	public static ClanHallManager getInstance()
	{
		if (_instance == null)
		{
			System.out.println("Initializing ClanHallManager");
			_instance = new ClanHallManager();
		}
		return _instance;
	}

	public boolean loaded()
	{
		return _loaded;
	}

	private ClanHallManager()
	{
		_clanHall = new FastMap<Integer, ClanHall>();
		_freeClanHall = new FastMap<Integer, ClanHall>();
		load();
	}

	/** Reload All Clan Hall */
	/*
	 * public final void reload() Cant reload atm - would loose zone info { _clanHall.clear(); _freeClanHall.clear(); load(); }
	 */
	/** Load All Clan Hall */
	private final void load()
	{
		java.sql.Connection con = null;
		try
		{
			int id;
			PreparedStatement statement;
			ResultSet rs;
			con = L2DatabaseFactory.getInstance().getConnection();
			statement = con.prepareStatement("SELECT * FROM clanhall ORDER BY id");
			rs = statement.executeQuery();
			while (rs.next())
			{
				id = rs.getInt("id");
				if (rs.getInt("ownerId") == 0)
					_freeClanHall.put(id, new ClanHall(id, rs.getString("name"), rs.getInt("ownerId"), rs.getInt("lease"), rs.getString("desc"), rs.getString("location"), 0, rs.getInt("Grade"), rs.getBoolean("paid")));
				else
				{
					if (ClanTable.getInstance().getClan(rs.getInt("ownerId")) != null)
					{
						_clanHall.put(id, new ClanHall(id, rs.getString("name"), rs.getInt("ownerId"), rs.getInt("lease"), rs.getString("desc"), rs.getString("location"), rs.getLong("paidUntil"), rs.getInt("Grade"), rs.getBoolean("paid")));
						ClanTable.getInstance().getClan(rs.getInt("ownerId")).setHasHideout(id);
					}
					else
					{
						_freeClanHall.put(id, new ClanHall(id, rs.getString("name"), rs.getInt("ownerId"), rs.getInt("lease"), rs.getString("desc"), rs.getString("location"), rs.getLong("paidUntil"), rs.getInt("Grade"), rs.getBoolean("paid")));
						_freeClanHall.get(id).free();
						AuctionManager.getInstance().initNPC(id);
					}
				}
			}
			statement.close();
			System.out.println("Loaded: " + getClanHalls().size() + " clan halls");
			System.out.println("Loaded: " + getFreeClanHalls().size() + " free clan halls");
			_loaded = true;
		}
		catch (Exception e)
		{
			System.out.println("Exception: ClanHallManager.load(): " + e.getMessage());
			e.printStackTrace();
		}
		finally
		{
			try
			{
				con.close();
			}
			catch (Exception e)
			{
			}
		}
	}

	/** Get Map with all FreeClanHalls */
	public final Map<Integer, ClanHall> getFreeClanHalls()
	{
		return _freeClanHall;
	}

	/** Get Map with all ClanHalls */
	public final Map<Integer, ClanHall> getClanHalls()
	{
		return _clanHall;
	}

	/** Check is free ClanHall */
	public final boolean isFree(int chId)
	{
		if (_freeClanHall.containsKey(chId))
			return true;
		return false;
	}

	/** Free a ClanHall */
	public final synchronized void setFree(int chId)
	{
		_freeClanHall.put(chId, _clanHall.get(chId));
		ClanTable.getInstance().getClan(_freeClanHall.get(chId).getOwnerId()).setHasHideout(0);
		_freeClanHall.get(chId).free();
		_clanHall.remove(chId);
	}

	/** Set ClanHallOwner */
	public final synchronized void setOwner(int chId, L2Clan clan)
	{
		if (!_clanHall.containsKey(chId))
		{
			_clanHall.put(chId, _freeClanHall.get(chId));
			_freeClanHall.remove(chId);
		}
		else
			_clanHall.get(chId).free();
		ClanTable.getInstance().getClan(clan.getClanId()).setHasHideout(chId);
		_clanHall.get(chId).setOwner(clan);
	}

	/** Get Clan Hall by Id */
	public final ClanHall getClanHallById(int clanHallId)
	{
		if (_clanHall.containsKey(clanHallId))
			return _clanHall.get(clanHallId);
		if (_freeClanHall.containsKey(clanHallId))
			return _freeClanHall.get(clanHallId);
		return null;
	}

	/** Get Clan Hall by x,y,z */
	/*
	 * public final ClanHall getClanHall(int x, int y, int z) { for (Map.Entry<Integer, ClanHall> ch : _clanHall.entrySet()) if (ch.getValue().getZone().isInsideZone(x, y, z)) return ch.getValue(); for (Map.Entry<Integer, ClanHall> ch : _freeClanHall.entrySet()) if (ch.getValue().getZone().isInsideZone(x, y, z)) return ch.getValue(); return null; }
	 */
	public final ClanHall getNearbyClanHall(int x, int y, int maxDist)
	{
		for (Map.Entry<Integer, ClanHall> ch : _clanHall.entrySet())
			if (ch.getValue().getZone().getDistanceToZone(x, y) < maxDist)
				return ch.getValue();
		for (Map.Entry<Integer, ClanHall> ch : _freeClanHall.entrySet())
			if (ch.getValue().getZone().getDistanceToZone(x, y) < maxDist)
				return ch.getValue();
		return null;
	}

	/** Get Clan Hall by Owner */
	public final ClanHall getClanHallByOwner(L2Clan clan)
	{
		for (Map.Entry<Integer, ClanHall> ch : _clanHall.entrySet())
			if (clan.getClanId() == ch.getValue().getOwnerId())
				return ch.getValue();
		return null;
	}
}