/*
 * 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 com.l2jserver.gameserver.datatables;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import javolution.util.FastList;

import com.l2jserver.L2DatabaseFactory;
import com.l2jserver.gameserver.model.L2HelperBuff;
import com.l2jserver.gameserver.model.StatsSet;

/**
 * This class represents the Newbie Helper Buff list
 * @author Ayor
 */
public class HelperBuffTable
{
	private static Logger _log = Logger.getLogger(HelperBuffTable.class.getName());
	
	/** The table containing all Buff of the Newbie Helper */
	private final List<L2HelperBuff> _helperBuff;
	
	/**
	 * The player level since Newbie Helper can give the fisrt buff <BR>
	 * Used to generate message : "Come back here when you have reached level ...")
	 */
	private int _magicClassLowestLevel = 100;
	private int _physicClassLowestLevel = 100;
	
	/**
	 * The player level above which Newbie Helper won't give any buff <BR>
	 * Used to generate message : "Only novice character of level ... or less can receive my support magic.")
	 */
	private int _magicClassHighestLevel = 1;
	private int _physicClassHighestLevel = 1;
	
	private int _servitorLowestLevel = 100;
	
	private int _servitorHighestLevel = 1;
	
	public static HelperBuffTable getInstance()
	{
		return SingletonHolder._instance;
	}
	
	/**
	 * Create and Load the Newbie Helper Buff list from SQL Table helper_buff_list
	 */
	protected HelperBuffTable()
	{
		_helperBuff = new FastList<>();
		restoreHelperBuffData();
		
	}
	
	/**
	 * Read and Load the Newbie Helper Buff list from SQL Table helper_buff_list
	 */
	private void restoreHelperBuffData()
	{
		Connection con = null;
		try
		{
			con = L2DatabaseFactory.getInstance().getConnection();
			try (Statement s = con.createStatement();
				ResultSet rs = s.executeQuery("SELECT * FROM helper_buff_list"))
			{
				fillHelperBuffTable(rs);
			}
		}
		catch (Exception e)
		{
			_log.log(Level.SEVERE, "Table helper_buff_list not found : Update your DataPack! Error : " + e.getMessage(), e);
		}
		finally
		{
			L2DatabaseFactory.close(con);
		}
	}
	
	/**
	 * Load the Newbie Helper Buff list from SQL Table helper_buff_list
	 * @param HelperBuffData
	 * @throws Exception
	 */
	private void fillHelperBuffTable(ResultSet HelperBuffData) throws Exception
	{
		
		while (HelperBuffData.next())
		{
			StatsSet helperBuffDat = new StatsSet();
			int id = HelperBuffData.getInt("id");
			
			helperBuffDat.set("id", id);
			helperBuffDat.set("skillID", HelperBuffData.getInt("skill_id"));
			helperBuffDat.set("skillLevel", HelperBuffData.getInt("skill_level"));
			helperBuffDat.set("lowerLevel", HelperBuffData.getInt("lower_level"));
			helperBuffDat.set("upperLevel", HelperBuffData.getInt("upper_level"));
			helperBuffDat.set("isMagicClass", HelperBuffData.getString("is_magic_class"));
			helperBuffDat.set("forSummon", HelperBuffData.getString("forSummon"));
			
			// Calulate the range level in wich player must be to obtain buff from Newbie Helper
			if ("false".equals(HelperBuffData.getString("is_magic_class")))
			{
				if (HelperBuffData.getInt("lower_level") < _physicClassLowestLevel)
				{
					_physicClassLowestLevel = HelperBuffData.getInt("lower_level");
				}
				
				if (HelperBuffData.getInt("upper_level") > _physicClassHighestLevel)
				{
					_physicClassHighestLevel = HelperBuffData.getInt("upper_level");
				}
			}
			else
			{
				if (HelperBuffData.getInt("lower_level") < _magicClassLowestLevel)
				{
					_magicClassLowestLevel = HelperBuffData.getInt("lower_level");
				}
				
				if (HelperBuffData.getInt("upper_level") > _magicClassHighestLevel)
				{
					_magicClassHighestLevel = HelperBuffData.getInt("upper_level");
				}
			}
			if ("true".equals(HelperBuffData.getString("forSummon")))
			{
				if (HelperBuffData.getInt("lower_level") < _servitorLowestLevel)
				{
					_servitorLowestLevel = HelperBuffData.getInt("lower_level");
				}
				
				if (HelperBuffData.getInt("upper_level") > _servitorHighestLevel)
				{
					_servitorHighestLevel = HelperBuffData.getInt("upper_level");
				}
			}
			// Add this Helper Buff to the Helper Buff List
			L2HelperBuff template = new L2HelperBuff(helperBuffDat);
			_helperBuff.add(template);
		}
		
		_log.info("Helper Buff Table: Loaded " + _helperBuff.size() + " Templates.");
		
	}
	
	/**
	 * @return the Helper Buff List
	 */
	public List<L2HelperBuff> getHelperBuffTable()
	{
		return _helperBuff;
	}
	
	/**
	 * @return Returns the magicClassHighestLevel.
	 */
	public int getMagicClassHighestLevel()
	{
		return _magicClassHighestLevel;
	}
	
	/**
	 * @return Returns the magicClassLowestLevel.
	 */
	public int getMagicClassLowestLevel()
	{
		return _magicClassLowestLevel;
	}
	
	/**
	 * @return Returns the physicClassHighestLevel.
	 */
	public int getPhysicClassHighestLevel()
	{
		return _physicClassHighestLevel;
	}
	
	/**
	 * @return Returns the physicClassLowestLevel.
	 */
	public int getPhysicClassLowestLevel()
	{
		return _physicClassLowestLevel;
	}
	
	/**
	 * @return Returns the servitorLowestLevel.
	 */
	public int getServitorLowestLevel()
	{
		return _servitorLowestLevel;
	}
	
	/**
	 * @return Returns the servitorHighestLevel.
	 */
	public int getServitorHighestLevel()
	{
		return _servitorHighestLevel;
	}
	
	private static class SingletonHolder
	{
		protected static final HelperBuffTable _instance = new HelperBuffTable();
	}
}