/**
 * Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team
 * http://www.mod-buildcraft.com
 * <p/>
 * BuildCraft is distributed under the terms of the Minecraft Mod Public
 * License 1.0, or MMPL. Please check the contents of the license located in
 * http://www.mod-buildcraft.com/MMPL-1.0.txt
 */
package buildcraft.core.proxy;

import java.lang.ref.WeakReference;

import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.network.INetHandler;
import net.minecraft.network.NetHandlerPlayServer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import net.minecraft.world.WorldServer;

import cpw.mods.fml.common.Loader;
import cpw.mods.fml.common.SidedProxy;
import net.minecraftforge.common.util.FakePlayerFactory;

import buildcraft.BuildCraftCore;
import buildcraft.api.core.ICoreProxy;
import buildcraft.core.LaserKind;
import buildcraft.core.lib.EntityBlock;

public class CoreProxy implements ICoreProxy {

	@SidedProxy(clientSide = "buildcraft.core.proxy.CoreProxyClient", serverSide = "buildcraft.core.proxy.CoreProxy")
	public static CoreProxy proxy;

	/* BUILDCRAFT PLAYER */
	protected static WeakReference<EntityPlayer> buildCraftPlayer = new WeakReference<EntityPlayer>(null);

	public String getMinecraftVersion() {
		return Loader.instance().getMinecraftModContainer().getVersion();
	}

	/* INSTANCES */
	public Object getClient() {
		return null;
	}

	public World getClientWorld() {
		return null;
	}

	/* ENTITY HANDLING */
	public void removeEntity(Entity entity) {
		entity.worldObj.removeEntity(entity);
	}

	public String getItemDisplayName(ItemStack newStack) {
		return "";
	}

	/* GFX */
	public void initializeRendering() {
	}

	public void initializeEntityRendering() {
	}

	public void onCraftingPickup(World world, EntityPlayer player, ItemStack stack) {
		stack.onCrafting(world, player, stack.stackSize);
	}

	public String playerName() {
		return "";
	}

	private WeakReference<EntityPlayer> createNewPlayer(WorldServer world) {
		EntityPlayer player = FakePlayerFactory.get(world, BuildCraftCore.gameProfile);

		return new WeakReference<EntityPlayer>(player);
	}

	private WeakReference<EntityPlayer> createNewPlayer(WorldServer world, int x, int y, int z) {
		EntityPlayer player = FakePlayerFactory.get(world, BuildCraftCore.gameProfile);
		player.posX = x;
		player.posY = y;
		player.posZ = z;
		return new WeakReference<EntityPlayer>(player);
	}

	@Override
	public final WeakReference<EntityPlayer> getBuildCraftPlayer(WorldServer world) {
		if (CoreProxy.buildCraftPlayer.get() == null) {
			CoreProxy.buildCraftPlayer = createNewPlayer(world);
		} else {
			CoreProxy.buildCraftPlayer.get().worldObj = world;
		}

		return CoreProxy.buildCraftPlayer;
	}

	public final WeakReference<EntityPlayer> getBuildCraftPlayer(WorldServer world, int x, int y, int z) {
		if (CoreProxy.buildCraftPlayer.get() == null) {
			CoreProxy.buildCraftPlayer = createNewPlayer(world, x, y, z);
		} else {
			CoreProxy.buildCraftPlayer.get().worldObj = world;
			CoreProxy.buildCraftPlayer.get().posX = x;
			CoreProxy.buildCraftPlayer.get().posY = y;
			CoreProxy.buildCraftPlayer.get().posZ = z;
		}

		return CoreProxy.buildCraftPlayer;
	}

	public EntityBlock newEntityBlock(World world, double i, double j, double k, double iSize, double jSize, double kSize, LaserKind laserKind) {
		return new EntityBlock(world, i, j, k, iSize, jSize, kSize);
	}

	/**
	 * This function returns either the player from the handler if it's on the
	 * server, or directly from the minecraft instance if it's the client.
	 */
	public EntityPlayer getPlayerFromNetHandler(INetHandler handler) {
		if (handler instanceof NetHandlerPlayServer) {
			return ((NetHandlerPlayServer) handler).playerEntity;
		} else {
			return null;
		}
	}

	public TileEntity getServerTile(TileEntity source) {
		return source;
	}

	public EntityPlayer getClientPlayer() {
		return null;
	}
}