package WayofTime.alchemicalWizardry.common.harvest;

import java.util.List;

import cpw.mods.fml.common.registry.GameRegistry;
import net.minecraft.block.Block;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;
import net.minecraftforge.common.IPlantable;
import WayofTime.alchemicalWizardry.api.harvest.IHarvestHandler;

public class GenericSeededHarvestHandler implements IHarvestHandler
{
	public Block harvestBlock;
	public int harvestMeta;
	public IPlantable harvestSeed;
	
	public GenericSeededHarvestHandler(String block, int meta, String seed)
	{
		harvestBlock = getBlockForString(block);
		harvestMeta = meta;
		Item testSeed = getItemForString(seed);
		if(testSeed instanceof IPlantable)
		{
			harvestSeed = (IPlantable)testSeed;
		}else
		{
			harvestSeed = null;
		}
	}
	
	public static Block getBlockForString(String str)
	{
		String[] parts = str.split(":");
		String modId = parts[0];
		String name = parts[1];
		return GameRegistry.findBlock(modId, name);
	}
	
	public static Item getItemForString(String str)
	{
		String[] parts = str.split(":");
		String modId = parts[0];
		String name = parts[1];
		return GameRegistry.findItem(modId, name);
	}
	
	public boolean canHandleBlock(Block block) 
	{
		return block == harvestBlock;
	}

	public int getHarvestMeta(Block block) 
	{
		return harvestMeta;
	}
	
	@Override
	public boolean harvestAndPlant(World world, int xCoord, int yCoord, int zCoord, Block block, int meta) 
	{
		if(!this.canHandleBlock(block) || meta != this.getHarvestMeta(block))
		{
			return false;
		}
		
		IPlantable seed = this.getSeedItem(block);
		
		if(seed == null)
		{
			world.func_147480_a(xCoord, yCoord, zCoord, true);

			return true;
		}else
		{
			int fortune = 0;
			
			List<ItemStack> list = block.getDrops(world, xCoord, yCoord, zCoord, meta, fortune);
			boolean foundAndRemovedSeed = false;
			
			for(ItemStack stack : list)
			{
				if(stack == null)
				{
					continue;
				}
				
				Item item = stack.getItem();
				if(item == seed)
				{
					int itemSize = stack.stackSize;
					if(itemSize > 1)
					{
						stack.stackSize--;
						foundAndRemovedSeed = true;
						break;
					}else if(itemSize == 1)
					{
						list.remove(stack);
						foundAndRemovedSeed = true;
						break;
					}
				}
			}
			
			if(foundAndRemovedSeed)
			{
				int plantMeta = seed.getPlantMetadata(world, xCoord, yCoord, zCoord);
				Block plantBlock = seed.getPlant(world, xCoord, yCoord, zCoord);
				
				world.func_147480_a(xCoord, yCoord, zCoord, false);

				world.setBlock(xCoord, yCoord, zCoord, plantBlock, plantMeta, 3);
				
				for(ItemStack stack : list)
				{
					EntityItem itemEnt = new EntityItem(world, xCoord, yCoord, zCoord, stack); 
					
					world.spawnEntityInWorld(itemEnt);
				}
			}
			
			return false;
		}	
	}
	
	public IPlantable getSeedItem(Block block) 
	{
		if(block == Blocks.wheat)
		{
			return (IPlantable) Items.wheat_seeds;
		}
		if(block == Blocks.carrots)
		{
			return (IPlantable) Items.carrot;
		}
		if(block == Blocks.potatoes)
		{
			return (IPlantable) Items.potato;
		}
		if(block == Blocks.nether_wart)
		{
			return (IPlantable) Items.nether_wart;
		}
		
		return null;
	}
}