package resonantinduction.electrical.armbot.task;

import java.util.ArrayList;

import net.minecraft.block.Block;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.world.World;
import resonantinduction.electrical.armbot.IArmbot;
import resonantinduction.electrical.armbot.TaskBaseArmbot;
import resonantinduction.electrical.armbot.TaskBaseProcess;
import resonantinduction.electrical.encoder.coding.ITask;
import universalelectricity.api.vector.Vector3;
import calclavia.lib.type.Pair;
import calclavia.lib.utility.inventory.InventoryUtility;

/**
 * Used by arms to break a specific block in a position.
 * 
 * @author Calclavia
 */
public class TaskBreak extends TaskBaseArmbot
{
	protected int breakTicks = 30;
	protected boolean keep = false;

	public TaskBreak()
	{
		this("break");
	}

	public TaskBreak(String name)
	{
		super(name);
		this.breakTicks = 30;
	}

	@Override
	public ProcessReturn onUpdate()
	{
		if (super.onUpdate() == ProcessReturn.CONTINUE)
		{

			Vector3 serachPosition = ((IArmbot) this.program.getMachine()).getHandPos();
			Pair<World, Vector3> location = this.program.getMachine().getLocation();
			Block block = Block.blocksList[serachPosition.getBlockID(location.left())];
			this.breakTicks--;
			if (block != null && breakTicks <= 0)
			{
				ArrayList<ItemStack> items = block.getBlockDropped(location.left(), serachPosition.intX(), serachPosition.intY(), serachPosition.intZ(), serachPosition.getBlockMetadata(location.left()), 0);

				if (!this.keep || items.size() > 1)
				{
					InventoryUtility.dropBlockAsItem(location.left(), serachPosition);
				}
				else
				{
					((IArmbot) this.program.getMachine()).grabObject(new EntityItem(location.left(), serachPosition.intX() + 0.5D, serachPosition.intY() + 0.5D, serachPosition.intZ() + 0.5D, items.get(0)));
				}

				location.left().setBlock(serachPosition.intX(), serachPosition.intY(), serachPosition.intZ(), 0, 0, 3);
				return ProcessReturn.DONE;
			}
		}

		/** Notes on break command Beds Break Wrong Multi blocks don't work */
		return ProcessReturn.GENERAL_ERROR;
	}

	@Override
	public TaskBaseProcess clone()
	{
		return new TaskBreak();
	}

	@Override
	public ITask loadProgress(NBTTagCompound nbt)
	{
		this.breakTicks = nbt.getInteger("breakTicks");
		return this;
	}

	@Override
	public NBTTagCompound saveProgress(NBTTagCompound nbt)
	{
		nbt.setInteger("breakTicks", this.breakTicks);
		return nbt;
	}

}