package org.bukkit.craftbukkit;


import org.bukkit.Location;
import org.bukkit.TravelAgent;

public class CraftTravelAgent extends net.minecraft.world.Teleporter implements TravelAgent
{

	public static TravelAgent DEFAULT = null;

	private int searchRadius = 128;
	private int creationRadius = 16;
	private boolean canCreatePortal = true;

	public CraftTravelAgent(net.minecraft.world.WorldServer worldserver)
	{
		super(worldserver);
		if(DEFAULT == null && worldserver.provider.dimensionId == 0)
		{ // Cauldron
			DEFAULT = this;
		}
	}

	public Location findOrCreate(Location target)
	{
		net.minecraft.world.WorldServer worldServer = ((CraftWorld) target.getWorld()).getHandle();
		boolean before = worldServer.theChunkProviderServer.loadChunkOnProvideRequest;
		worldServer.theChunkProviderServer.loadChunkOnProvideRequest = true;

		Location found = this.findPortal(target);
		if(found == null)
		{
			if(this.getCanCreatePortal() && this.createPortal(target))
			{
				found = this.findPortal(target);
			}
			else
			{
				found = target; // fallback to original if unable to find or create
			}
		}

		worldServer.theChunkProviderServer.loadChunkOnProvideRequest = before;
		return found;
	}

	public Location findPortal(Location location)
	{
//        net.minecraft.world.Teleporter pta = ((CraftWorld) location.getWorld()).getHandle().getDefaultTeleporter(); // Should be getTravelAgent
//        net.minecraft.util.ChunkCoordinates found = pta.findPortal(location.getX(), location.getY(), location.getZ(), this.getSearchRadius());
//        return found != null ? new Location(location.getWorld(), found.posX, found.posY, found.posZ, location.getYaw(), location.getPitch()) : null;

		throw new UnsupportedOperationException(); // TODO
	}

	public boolean createPortal(Location location)
	{
//        net.minecraft.world.Teleporter pta = ((CraftWorld) location.getWorld()).getHandle().getDefaultTeleporter();
//        return pta.createPortal(location.getX(), location.getY(), location.getZ(), this.getCreationRadius());

		throw new UnsupportedOperationException(); // TODO
	}

	public TravelAgent setSearchRadius(int radius)
	{
		this.searchRadius = radius;
		return this;
	}

	public int getSearchRadius()
	{
		return this.searchRadius;
	}

	public TravelAgent setCreationRadius(int radius)
	{
		this.creationRadius = radius < 2 ? 0 : radius;
		return this;
	}

	public int getCreationRadius()
	{
		return this.creationRadius;
	}

	public boolean getCanCreatePortal()
	{
		return this.canCreatePortal;
	}

	public void setCanCreatePortal(boolean create)
	{
		this.canCreatePortal = create;
	}
}