package RUMatter.containers;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import RUMatter.tileEntities.TileEntityRUMad;

public class ContainerRUMad extends Container {

	protected TileEntityRUMad tileEntity;

	public ContainerRUMad(InventoryPlayer playerInv, TileEntityRUMad tileEntity) {
		this.tileEntity = tileEntity;

		this.addSlotToContainer(new Slot(tileEntity, 0, 26, 15 + 24));
		this.addSlotToContainer(new Slot(tileEntity, 1, 57, 15 + 24));
		this.addSlotToContainer(new Slot(tileEntity, 2, 123, 15 + 24));

		bindPlayerInventory(playerInv);
	}

	@Override
	public boolean canInteractWith(EntityPlayer player) {
		return tileEntity.isUseableByPlayer(player);
	}

	protected void bindPlayerInventory(InventoryPlayer inv) {
		for (int y = 0; y < 3; y++) {
			for (int x = 0; x < 9; x++) {
				addSlotToContainer(new Slot(inv, x + y * 9 + 9, 8 + x * 18, 44 + y * 18 + 24));
			}
		}

		for (int i = 0; i < 9; i++) {
			addSlotToContainer(new Slot(inv, i, 8 + i * 18, 102 + 24));
		}
	}

	@Override
	public ItemStack transferStackInSlot(EntityPlayer player, int slot) {
		ItemStack stack = null;
		Slot slotObject = (Slot) inventorySlots.get(slot);

		// null checks and checks if the item can be stacked (maxStackSize > 1)
		if (slotObject != null && slotObject.getHasStack()) {
			ItemStack stackInSlot = slotObject.getStack();
			stack = stackInSlot.copy();

			// merges the item into player inventory since its in the tileEntity
			if (slot < 3) {
				if (!this.mergeItemStack(stackInSlot, 0, 35, true)) { return null; }
			}
			// places it into the tileEntity is possible since its in the player
			// inventory
			else if (!this.mergeItemStack(stackInSlot, 0, 3, false)) { return null; }

			if (stackInSlot.stackSize == 0) {
				slotObject.putStack(null);
			} else {
				slotObject.onSlotChanged();
			}

			if (stackInSlot.stackSize == stack.stackSize) { return null; }
			slotObject.onPickupFromSlot(player, stackInSlot);
		}
		return stack;
	}
}