package universalelectricity.compatibility;

import ic2.api.Direction;
import ic2.api.energy.event.EnergyTileLoadEvent;
import ic2.api.energy.event.EnergyTileUnloadEvent;
import ic2.api.energy.tile.IEnergyAcceptor;
import ic2.api.energy.tile.IEnergySink;
import ic2.api.energy.tile.IEnergyTile;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import net.minecraftforge.common.ForgeDirection;
import net.minecraftforge.common.MinecraftForge;
import universalelectricity.core.block.IConnector;
import universalelectricity.core.electricity.ElectricityPack;
import universalelectricity.core.grid.IElectricityNetwork;
import universalelectricity.core.vector.Vector3;
import universalelectricity.core.vector.VectorHelper;
import universalelectricity.prefab.tile.TileEntityConductor;
import buildcraft.api.power.IPowerReceptor;
import buildcraft.api.power.PowerHandler;
import buildcraft.api.power.PowerHandler.PowerReceiver;

/**
 * A universal conductor class.
 * 
 * Extend this class or use as a reference for your own implementation of compatible conductor
 * tiles.
 * 
 * @author micdoodle8
 * 
 */
public abstract class TileEntityUniversalConductor extends TileEntityConductor implements IEnergySink, IPowerReceptor
{
	protected boolean addedToIC2Network = false;

	/*
	 * private DummyPowerProvider powerProvider;
	 * 
	 * public TileEntityUniversalConductor() { this.powerProvider = new
	 * DummyPowerProvider(this.getNetwork(), this); this.powerProvider.configure(0, 0, 100, 0, 100);
	 * }
	 */
	@Override
	public void setNetwork(IElectricityNetwork network)
	{
		super.setNetwork(network);
		/*
		 * if (this.powerProvider != null) { this.powerProvider.network = network; }
		 */
	}

	@Override
	public void invalidate()
	{
		this.unloadTileIC2();
		super.invalidate();
	}

	@Override
	public void onChunkUnload()
	{
		this.unloadTileIC2();
		super.onChunkUnload();
	}

	private void unloadTileIC2()
	{
		if (this.addedToIC2Network && this.worldObj != null)
		{
			if (Compatibility.isIndustrialCraft2Loaded())
			{
				MinecraftForge.EVENT_BUS.post(new EnergyTileUnloadEvent(this));
			}

			this.addedToIC2Network = false;
		}
	}

	@Override
	public boolean canUpdate()
	{
		return true;
	}

	@Override
	public void updateEntity()
	{
		super.updateEntity();

		if (!this.worldObj.isRemote && !this.addedToIC2Network)
		{
			if (Compatibility.isIndustrialCraft2Loaded())
			{
				MinecraftForge.EVENT_BUS.post(new EnergyTileLoadEvent(this));
			}

			this.addedToIC2Network = true;
		}
	}

	/**
	 * IC2 Methods
	 */
	@Override
	public boolean acceptsEnergyFrom(TileEntity emitter, Direction direction)
	{
		return emitter instanceof IEnergyTile;
	}

	@Override
	public boolean isAddedToEnergyNet()
	{
		return this.addedToIC2Network;
	}

	@Override
	public int demandsEnergy()
	{
		if (this.getNetwork() == null)
		{
			return 0;
		}

		return (int) Math.floor(Math.min(this.getNetwork().getRequest(this).getWatts() * Compatibility.TO_IC2_RATIO, 100));
	}

	@Override
	public int injectEnergy(Direction directionFrom, int amount)
	{
		if (this.getNetwork() == null)
		{
			return amount;
		}

		return (int) Math.floor(this.getNetwork().produce(ElectricityPack.getFromWatts(amount, 120), VectorHelper.getTileEntityFromSide(this.worldObj, new Vector3(this), directionFrom.toForgeDirection())));
	}

	@Override
	public int getMaxSafeInput()
	{
		return Integer.MAX_VALUE;
	}

	@Override
	public TileEntity[] getAdjacentConnections()
	{
		TileEntity[] adjecentConnections = new TileEntity[6];

		for (byte i = 0; i < 6; i++)
		{
			ForgeDirection side = ForgeDirection.getOrientation(i);
			TileEntity tileEntity = VectorHelper.getTileEntityFromSide(this.worldObj, new Vector3(this), side);

			if (tileEntity instanceof IConnector)
			{
				if (((IConnector) tileEntity).canConnect(side.getOpposite()))
				{
					adjecentConnections[i] = tileEntity;
				}
			}
			else if (Compatibility.isIndustrialCraft2Loaded() && tileEntity instanceof IEnergyTile)
			{
				if (tileEntity instanceof IEnergyAcceptor)
				{
					if (((IEnergyAcceptor) tileEntity).acceptsEnergyFrom(this, Direction.values()[(i + 2) % 6].getInverse()))
					{
						adjecentConnections[i] = tileEntity;
					}
				}
				else
				{
					adjecentConnections[i] = tileEntity;
				}
			}
			else if (Compatibility.isBuildcraftLoaded() && tileEntity instanceof IPowerReceptor)
			{
				adjecentConnections[i] = tileEntity;
			}
		}

		return adjecentConnections;
	}

	/**
	 * BuildCraft Methods
	 */
	@Override
	public PowerReceiver getPowerReceiver(ForgeDirection side)
	{
		return null;
	}

	@Override
	public void doWork(PowerHandler workProvider)
	{

	}

	@Override
	public World getWorld()
	{
		return this.getWorldObj();
	}
	/*
	 * @Override public int powerRequest(ForgeDirection from) { if (this.getNetwork() == null) {
	 * return 0; }
	 * 
	 * return (int)
	 * Math.floor(Math.min(this.getNetwork().getRequest(VectorHelper.getTileEntityFromSide
	 * (this.worldObj, new Vector3(this), from)).getWatts() * Compatibility.TO_BC_RATIO, 100)); }
	 */
	/*
	 * private class DummyPowerProvider extends PowerProvider { public IElectricityNetwork network;
	 * private final TileEntityUniversalConductor conductor;
	 * 
	 * public DummyPowerProvider(IElectricityNetwork network, TileEntityUniversalConductor
	 * conductor) { this.network = network; this.conductor = conductor; }
	 * 
	 * @Override public void receiveEnergy(float quantity, ForgeDirection from) { if (this.network
	 * != null) { this.network.produce(ElectricityPack.getFromWatts(this.getEnergyStored(), 120),
	 * VectorHelper.getTileEntityFromSide(this.conductor.worldObj, new Vector3(this.conductor),
	 * from)); } } }
	 */
}