package r3qu13m.bf;

import java.util.List;

import buildcraft.BuildCraftBuilders;
import buildcraft.BuildCraftCore;
import buildcraft.BuildCraftTransport;
import buildcraft.api.core.IBox;
import buildcraft.api.filler.FillerManager;
import buildcraft.api.filler.IFillerPattern;
import buildcraft.builders.FillerRemover;
import buildcraft.core.utils.BlockUtil;
import buildcraft.core.utils.Utils;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import net.minecraft.block.Block;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.ForgeDirection;

@Mod(modid = "bumpfiller", name = "BumpFiller", version = "0.0.1", dependencies = "after:BuildCraft|Builders")
public class BumpFiller {
	@Mod.Instance("bumpfiller")
	public static BumpFiller instance;

	public BumpFiller() {
		instance = this;
	}

	@Mod.Init
	public void init(FMLInitializationEvent event) {
		FillerManager.registry.addRecipe(new FillerRemover() {
			@Override
			public boolean iteratePattern(TileEntity tile, IBox box, ItemStack stackToPlace) {
				int xMin = (int) box.pMin().x;
				int yMin = (int) box.pMin().y;
				int zMin = (int) box.pMin().z;

				int xMax = (int) box.pMax().x;
				int yMax = (int) box.pMax().y;
				int zMax = (int) box.pMax().z;

				boolean found = false;
				int lastX = Integer.MAX_VALUE, lastY = Integer.MAX_VALUE, lastZ = Integer.MAX_VALUE;

				for (int y = yMax; y >= yMin; y--) {
					found = false;
					for (int x = xMin; x <= xMax; ++x) {
						for (int z = zMin; z <= zMax; ++z) {
							if (!BlockUtil.canChangeBlock(tile.worldObj, x, y, z))
								return false;
							if (!BlockUtil.isSoftBlock(tile.worldObj, x, y, z)) {
								found = true;
								lastX = x;
								lastY = y;
								lastZ = z;
							}
						}
					}

					if (found) {
						break;
					}
				}

				if (lastX != Integer.MAX_VALUE) {
					List<ItemStack> stacks = BlockUtil.getItemStackFromBlock(tile.worldObj, lastX, lastY, lastZ);
					for (ItemStack stack : stacks) {
						tile.worldObj.setBlockWithNotify(lastX, lastY, lastZ, 0);
						// First, try to add to a nearby chest
						ItemStack added = Utils.addToRandomInventory(stack, tile.worldObj, tile.xCoord, tile.yCoord,
								tile.zCoord, ForgeDirection.UNKNOWN);
						stack.stackSize -= added.stackSize;

						// Second, try to add to adjacent pipes
						if (stack.stackSize > 0) {
							Utils.addToRandomPipeEntry(tile, ForgeDirection.UNKNOWN, stack);
						}

						// Lastly, throw the object away
						if (stack.stackSize > 0) {
							float f = tile.worldObj.rand.nextFloat() * 0.8F + 0.1F;
							float f1 = tile.worldObj.rand.nextFloat() * 0.8F + 0.1F;
							float f2 = tile.worldObj.rand.nextFloat() * 0.8F + 0.1F;

							EntityItem entityitem = new EntityItem(tile.worldObj, tile.xCoord + f,
									tile.yCoord + f1 + 0.5F, tile.zCoord + f2, stack);

							entityitem.lifespan = BuildCraftCore.itemLifespan;
							entityitem.delayBeforeCanPickup = 10;

							float f3 = 0.05F;
							entityitem.motionX = (float) tile.worldObj.rand.nextGaussian() * f3;
							entityitem.motionY = (float) tile.worldObj.rand.nextGaussian() * f3 + 1.0F;
							entityitem.motionZ = (float) tile.worldObj.rand.nextGaussian() * f3;
							tile.worldObj.spawnEntityInWorld(entityitem);
						}

					}
					return false;
				}

				return true;
			}

			@Override
			public String getName() {
				return "ClearPipe";
			}
		}, new Object[] { "ggg", "gpg", "ggg", 'g', Block.glass, 'p', BuildCraftTransport.pipeItemsGold });
	}
}