/*
 * This file is part of the L2J Mobius project.
 * 
 * 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.l2jmobius.gameserver.instancemanager;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import com.l2jmobius.Config;
import com.l2jmobius.gameserver.model.L2World;
import com.l2jmobius.gameserver.model.StatsSet;
import com.l2jmobius.gameserver.model.VehiclePathPoint;
import com.l2jmobius.gameserver.model.actor.instance.L2BoatInstance;
import com.l2jmobius.gameserver.model.actor.instance.L2PcInstance;
import com.l2jmobius.gameserver.model.actor.templates.L2CharTemplate;
import com.l2jmobius.gameserver.network.serverpackets.L2GameServerPacket;

public class BoatManager
{
	private final Map<Integer, L2BoatInstance> _boats = new ConcurrentHashMap<>();
	private final boolean[] _docksBusy = new boolean[3];
	
	public static final int TALKING_ISLAND = 1;
	public static final int GLUDIN_HARBOR = 2;
	public static final int RUNE_HARBOR = 3;
	
	public static BoatManager getInstance()
	{
		return SingletonHolder._instance;
	}
	
	protected BoatManager()
	{
		for (int i = 0; i < _docksBusy.length; i++)
		{
			_docksBusy[i] = false;
		}
	}
	
	public L2BoatInstance getNewBoat(int boatId, int x, int y, int z, int heading)
	{
		if (!Config.ALLOW_BOAT)
		{
			return null;
		}
		
		final StatsSet npcDat = new StatsSet();
		npcDat.set("npcId", boatId);
		npcDat.set("level", 0);
		npcDat.set("jClass", "boat");
		
		npcDat.set("baseShldDef", 0);
		npcDat.set("baseShldRate", 0);
		npcDat.set("baseAccCombat", 38);
		npcDat.set("baseEvasRate", 38);
		npcDat.set("baseCritRate", 38);
		
		// npcDat.set("name", "");
		npcDat.set("collisionRadius", 0);
		npcDat.set("collisionHeight", 0);
		npcDat.set("sex", "male");
		npcDat.set("type", "");
		npcDat.set("baseAtkRange", 0);
		npcDat.set("baseMpMax", 0);
		npcDat.set("baseCpMax", 0);
		npcDat.set("rewardExp", 0);
		npcDat.set("rewardSp", 0);
		npcDat.set("basePAtk", 0);
		npcDat.set("baseMAtk", 0);
		npcDat.set("basePAtkSpd", 0);
		npcDat.set("aggroRange", 0);
		npcDat.set("baseMAtkSpd", 0);
		npcDat.set("rhand", 0);
		npcDat.set("lhand", 0);
		npcDat.set("armor", 0);
		npcDat.set("baseWalkSpd", 0);
		npcDat.set("baseRunSpd", 0);
		npcDat.set("baseHpMax", 50000);
		npcDat.set("baseHpReg", 3.e-3f);
		npcDat.set("baseMpReg", 3.e-3f);
		npcDat.set("basePDef", 100);
		npcDat.set("baseMDef", 100);
		
		final L2BoatInstance boat = new L2BoatInstance(new L2CharTemplate(npcDat));
		boat.setHeading(heading);
		boat.setXYZInvisible(x, y, z);
		boat.spawnMe();
		
		_boats.put(boat.getObjectId(), boat);
		return boat;
	}
	
	/**
	 * @param boatId
	 * @return
	 */
	public L2BoatInstance getBoat(int boatId)
	{
		return _boats.get(boatId);
	}
	
	/**
	 * Lock/unlock dock so only one ship can be docked
	 * @param h Dock Id
	 * @param value True if dock is locked
	 */
	public void dockShip(int h, boolean value)
	{
		try
		{
			_docksBusy[h] = value;
		}
		catch (ArrayIndexOutOfBoundsException e)
		{
		}
	}
	
	/**
	 * Check if dock is busy
	 * @param h Dock Id
	 * @return Trye if dock is locked
	 */
	public boolean dockBusy(int h)
	{
		try
		{
			return _docksBusy[h];
		}
		catch (ArrayIndexOutOfBoundsException e)
		{
			return false;
		}
	}
	
	/**
	 * Broadcast one packet in both path points
	 * @param point1
	 * @param point2
	 * @param packet
	 */
	public void broadcastPacket(VehiclePathPoint point1, VehiclePathPoint point2, L2GameServerPacket packet)
	{
		broadcastPacketsToPlayers(point1, point2, packet);
	}
	
	/**
	 * Broadcast several packets in both path points
	 * @param point1
	 * @param point2
	 * @param packets
	 */
	public void broadcastPackets(VehiclePathPoint point1, VehiclePathPoint point2, L2GameServerPacket... packets)
	{
		broadcastPacketsToPlayers(point1, point2, packets);
	}
	
	private void broadcastPacketsToPlayers(VehiclePathPoint point1, VehiclePathPoint point2, L2GameServerPacket... packets)
	{
		for (L2PcInstance player : L2World.getInstance().getPlayers())
		{
			double dx = (double) player.getX() - point1.getX();
			double dy = (double) player.getY() - point1.getY();
			if (Math.sqrt((dx * dx) + (dy * dy)) < Config.BOAT_BROADCAST_RADIUS)
			{
				for (L2GameServerPacket p : packets)
				{
					player.sendPacket(p);
				}
			}
			else
			{
				dx = (double) player.getX() - point2.getX();
				dy = (double) player.getY() - point2.getY();
				if (Math.sqrt((dx * dx) + (dy * dy)) < Config.BOAT_BROADCAST_RADIUS)
				{
					for (L2GameServerPacket p : packets)
					{
						player.sendPacket(p);
					}
				}
			}
		}
	}
	
	private static class SingletonHolder
	{
		protected static final BoatManager _instance = new BoatManager();
	}
}