/*
 * This file is part of Applied Energistics 2.
 * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
 *
 * Applied Energistics 2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Applied Energistics 2 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.core.sync;


import java.io.IOException;

import io.netty.buffer.ByteBuf;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.network.INetHandler;
import net.minecraft.network.Packet;
import net.minecraft.network.PacketBuffer;
import net.minecraftforge.fml.common.network.internal.FMLProxyPacket;

import appeng.core.AEConfig;
import appeng.core.AELog;
import appeng.core.features.AEFeature;
import appeng.core.sync.network.INetworkInfo;
import appeng.core.sync.network.NetworkHandler;


public abstract class AppEngPacket implements Packet
{

	private AppEngPacketHandlerBase.PacketTypes id;
	private PacketBuffer p;
	private PacketCallState caller;

	public void serverPacketData( final INetworkInfo manager, final AppEngPacket packet, final EntityPlayer player )
	{
		throw new UnsupportedOperationException( "This packet ( " + this.getPacketID() + " does not implement a server side handler." );
	}

	public final int getPacketID()
	{
		return AppEngPacketHandlerBase.PacketTypes.getID( this.getClass() ).ordinal();
	}

	public void clientPacketData( final INetworkInfo network, final AppEngPacket packet, final EntityPlayer player )
	{
		throw new UnsupportedOperationException( "This packet ( " + this.getPacketID() + " does not implement a client side handler." );
	}

	protected void configureWrite( final ByteBuf data )
	{
		data.capacity( data.readableBytes() );
		this.p = new PacketBuffer( data );
	}

	public FMLProxyPacket getProxy()
	{
		if( this.p.array().length > 2 * 1024 * 1024 ) // 2k walking room :)
		{
			throw new IllegalArgumentException( "Sorry AE2 made a " + this.p.array().length + " byte packet by accident!" );
		}

		final FMLProxyPacket pp = new FMLProxyPacket( this.p, NetworkHandler.instance().getChannel() );

		if( AEConfig.instance().isFeatureEnabled( AEFeature.PACKET_LOGGING ) )
		{
			AELog.info( this.getClass().getName() + " : " + pp.payload().readableBytes() );
		}

		return pp;
	}

	@Override
	public void readPacketData( final PacketBuffer buf ) throws IOException
	{
		throw new RuntimeException( "Not Implemented" );
	}

	@Override
	public void writePacketData( final PacketBuffer buf ) throws IOException
	{
		throw new RuntimeException( "Not Implemented" );
	}

	public void setCallParam( final PacketCallState call )
	{
		this.caller = call;
	}

	@Override
	public void processPacket( final INetHandler handler )
	{
		this.caller.call( this );
	}

}