/*
 * This file is part of ComputerCraft - http://www.computercraft.info
 * Copyright Daniel Ratcliffe, 2011-2016. Do not distribute without permission.
 * Send enquiries to dratcliffe@gmail.com
 */

package dan200.computercraft.shared.turtle.core;

import dan200.computercraft.api.turtle.ITurtleAccess;
import dan200.computercraft.api.turtle.ITurtleCommand;
import dan200.computercraft.api.turtle.TurtleCommandResult;
import dan200.computercraft.shared.util.InventoryUtil;
import net.minecraft.item.ItemStack;

import javax.annotation.Nonnull;

public class TurtleCompareToCommand implements ITurtleCommand
{
    private final int m_slot;

    public TurtleCompareToCommand( int slot )
    {
        m_slot = slot;
    }

    @Nonnull
    @Override
    public TurtleCommandResult execute( @Nonnull ITurtleAccess turtle )
    {
        ItemStack selectedStack = turtle.getInventory().getStackInSlot( turtle.getSelectedSlot() );
        ItemStack stack = turtle.getInventory().getStackInSlot( m_slot );
        if( InventoryUtil.areItemsStackable( selectedStack, stack ) )
        {
            return TurtleCommandResult.success();
        }
        else
        {
            return TurtleCommandResult.failure();
        }
    }
}