package net.kanawo.cemodern.gui;

import net.kanawo.cemodern.tile.TileEMCBuilder;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;

import cpw.mods.fml.common.network.IGuiHandler;

public class GuiHandler implements IGuiHandler {

    public static final int EMC_BUILDER = 0;

    @Override
    public Object getServerGuiElement(int id, EntityPlayer player, World world, int x, int y, int z) {
        TileEMCBuilder builder = getBuilder(id, world, x, y, z);
        return builder == null ? null : new ContainerEMCBuilder(player.inventory, builder);
    }

    @Override
    public Object getClientGuiElement(int id, EntityPlayer player, World world, int x, int y, int z) {
        TileEMCBuilder builder = getBuilder(id, world, x, y, z);
        return builder == null ? null : new GuiEMCBuilder(player.inventory, builder);
    }

    private static TileEMCBuilder getBuilder(int id, World world, int x, int y, int z) {
        if (id != EMC_BUILDER || !world.blockExists(x, y, z)) {
            return null;
        }

        TileEntity tile = world.getTileEntity(x, y, z);
        return tile instanceof TileEMCBuilder ? (TileEMCBuilder) tile : null;
    }
}