/*
 * 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.debug;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;

import appeng.tile.AEBaseTile;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;

public class TileItemGen extends AEBaseTile implements IInventory {
    private static final Queue<ItemStack> POSSIBLE_ITEMS = new LinkedList<ItemStack>();

    public TileItemGen() {
        if (POSSIBLE_ITEMS.isEmpty()) {
            for (final Object obj : Item.itemRegistry) {
                final Item mi = (Item) obj;
                if (mi != null) {
                    if (mi.isDamageable()) {
                        for (int dmg = 0; dmg < mi.getMaxDamage(); dmg++) {
                            POSSIBLE_ITEMS.add(new ItemStack(mi, 1, dmg));
                        }
                    } else {
                        final List<ItemStack> list = new ArrayList<ItemStack>();
                        mi.getSubItems(mi, mi.getCreativeTab(), list);
                        POSSIBLE_ITEMS.addAll(list);
                    }
                }
            }
        }
    }

    @Override
    public int getSizeInventory() {
        return 1;
    }

    @Override
    public ItemStack getStackInSlot(final int i) {
        return this.getRandomItem();
    }

    private ItemStack getRandomItem() {
        return POSSIBLE_ITEMS.peek();
    }

    @Override
    public ItemStack decrStackSize(final int i, final int j) {
        final ItemStack a = POSSIBLE_ITEMS.poll();
        final ItemStack out = a.copy();
        POSSIBLE_ITEMS.add(a);
        return out;
    }

    @Override
    public ItemStack getStackInSlotOnClosing(final int i) {
        return null;
    }

    @Override
    public void setInventorySlotContents(final int i, final ItemStack itemstack) {
        final ItemStack a = POSSIBLE_ITEMS.poll();
        POSSIBLE_ITEMS.add(a);
    }

    @Override
    public String getInventoryName() {
        return null;
    }

    @Override
    public boolean hasCustomInventoryName() {
        return false;
    }

    @Override
    public int getInventoryStackLimit() {
        return 1;
    }

    @Override
    public boolean isUseableByPlayer(final EntityPlayer entityplayer) {
        return false;
    }

    @Override
    public void openInventory() {}

    @Override
    public void closeInventory() {}

    @Override
    public boolean isItemValidForSlot(final int i, final ItemStack itemstack) {
        return false;
    }
}