package gtPlusPlus.plugin.villagers.entity;

import java.lang.reflect.Field;
import java.util.Collections;
import java.util.Iterator;
import java.util.Random;

import cpw.mods.fml.common.registry.VillagerRegistry;
import gtPlusPlus.core.lib.CORE;
import gtPlusPlus.core.util.reflect.ReflectionUtils;
import gtPlusPlus.plugin.villagers.NameLists;
import net.minecraft.enchantment.Enchantment;
import net.minecraft.enchantment.EnchantmentData;
import net.minecraft.enchantment.EnchantmentHelper;
import net.minecraft.entity.Entity;
import net.minecraft.entity.passive.EntityVillager;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.util.ChunkCoordinates;
import net.minecraft.util.MathHelper;
import net.minecraft.village.MerchantRecipe;
import net.minecraft.village.MerchantRecipeList;
import net.minecraft.village.Village;
import net.minecraft.world.World;

public abstract class EntityBaseVillager extends EntityVillager{

	//public static final VillagerProfession mProfession;

	/*
	 * 
	Your problem is that you are extending EntityVillager, 
	but buyingList and addDefaultEquipment are both PRIVATE members of EntityVillager - 
	you cannot use or override them without Reflection or ASM.

	What you can do, however, is override getRecipes to return your own list, 
	but because you override EntityVillager, your mob is still using the villager's 
	buyingList (which is NULL) when useRecipe or any other villager method is called.
	You either have to override every method from EntityVillager which interacts with 
	buyingList and make it use your own list, or you need to not extend EntityVillager and just implement IMerchant instead.
	 */

	public EntityBaseVillager(World aWorld, int aID) {
		super(aWorld, aID);
	}

	@Override
	public void writeEntityToNBT(NBTTagCompound aNBT) {
		if (this.hasCustomNameTag()) {
			if (!aNBT.hasKey("aCustomName")) {
				aNBT.setString("aCustomName", this.getCommandSenderName());
			}
		}
		super.writeEntityToNBT(aNBT);
	}

	@Override
	public void readEntityFromNBT(NBTTagCompound aNBT) {
		if (aNBT.hasKey("aCustomName")) {
			if (this.getCustomNameTag() != aNBT.getString("aCustomName")) {
				this.setCustomNameTag(aNBT.getString("aCustomName"));
			}
		}
		super.readEntityFromNBT(aNBT);
	}

	@Override
	public void writeToNBT(NBTTagCompound aNBT) {
		// TODO Auto-generated method stub
		super.writeToNBT(aNBT);
	}

	@Override
	public void readFromNBT(NBTTagCompound aNBT) {
		// TODO Auto-generated method stub
		super.readFromNBT(aNBT);
	}

	@Override
	protected boolean canDespawn() {
		return !this.hasCustomNameTag();
	}

	@Override
	public void setProfession(int p_70938_1_) {
		super.setProfession(p_70938_1_);
	}

	@Override
	public int getProfession() {
		return super.getProfession();
	}

	@Override
	public void useRecipe(MerchantRecipe p_70933_1_) {
		super.useRecipe(p_70933_1_);
	}

	@Override
	public void setRecipes(MerchantRecipeList p_70930_1_) {
		super.setRecipes(p_70930_1_);
	}

	public abstract boolean shouldAlwaysSprint();

	@Override
	public void onLivingUpdate() {	

		//Set Custom Name
		if (!this.hasCustomNameTag()) {
			this.setCustomNameTag(NameLists.generateRandomName());
		}		

		super.onLivingUpdate();	

		//Make these guys always sprint
		if (shouldAlwaysSprint()) {
			if (!this.isSprinting()) {
				this.setSprinting(true);
			}
		}

	}

	@Override
	public Entity getEntityToAttack() {
		return super.getEntityToAttack();
	}

	@Override
	public boolean getAlwaysRenderNameTag() {
		return hasCustomNameTag();
	}

	@Override
	public Random getRNG() {
		return CORE.RANDOM;
	}

	@Override
	public void setSprinting(boolean bool) {
		super.setSprinting(bool);
	}


	/**
	 * Custom Shit
	 */


	protected float getField_82191_bN() {
		Field v82191;
		try {
			v82191 = ReflectionUtils.getField(getClass(), "field_82191_bN");
			try {
				return v82191 != null ? v82191.getFloat(this) : 0f;
			} catch (IllegalArgumentException | IllegalAccessException e) {
				return 0f;
			}
		} catch (NoSuchFieldException e1) {
			return 0f;
		}
	}

	protected void setField_82191_bN(float f) {
		try {
			ReflectionUtils.setField(this, "field_82191_bN", f);
		} catch (IllegalArgumentException e) {}
	}

	protected boolean getNeedsInitilization() {
		Field v82191;
		try {
			v82191 = ReflectionUtils.getField(getClass(), "needsInitilization");
			try {
				return v82191 != null ? v82191.getBoolean(this) : false;
			} catch (IllegalArgumentException | IllegalAccessException e) {
				return false;
			}
		} catch (NoSuchFieldException e1) {
			return false;
		}
	}

	protected void setNeedsInitilization(boolean f) {
		try {
			ReflectionUtils.setField(this, "needsInitilization", f);
		} catch (IllegalArgumentException e) {}
	}

	protected MerchantRecipeList getBuyingList() {
		Field v82191;
		MerchantRecipeList o;
		try {
			v82191 = ReflectionUtils.getField(getClass(), "buyingList");
			try {
				o = (MerchantRecipeList) v82191.get(this);
				return v82191 != null ? o : null;
			} catch (IllegalArgumentException | IllegalAccessException e) {
				return null;
			}
		} catch (NoSuchFieldException e1) {
			return null;
		}
	}

	protected void setBuyingList(MerchantRecipeList f) {
		try {
			ReflectionUtils.setField(this, "buyingList", f);
		} catch (IllegalArgumentException e) {}
	}

	protected Village getVillageObject() {
		Field v82191;
		try {
			v82191 = ReflectionUtils.getField(getClass(), "villageObj");
			try {
				return v82191 != null ? (Village) v82191.get(this) : null;
			} catch (IllegalArgumentException | IllegalAccessException e) {
				return null;
			}
		} catch (NoSuchFieldException e1) {
			return null;
		}
	}

	protected String getLastBuyingPlayer() {
		Field v82191;
		try {
			v82191 = ReflectionUtils.getField(getClass(), "lastBuyingPlayer");
			try {
				return v82191 != null ? (String) v82191.get(this) : "";
			} catch (IllegalArgumentException | IllegalAccessException e) {
				return "";
			}
		} catch (NoSuchFieldException e1) {
			return "";
		}
	}




	public MerchantRecipeList getRecipes(EntityPlayer p_70934_1_){
		if (getBuyingList() == null){
			this.addDefaultEquipmentAndRecipies(1);
		}
		return getBuyingList();
	}



	/**
	 * Adjusts the probability of obtaining a given recipe being offered by a villager
	 */
	private float adjustProbability(float p_82188_1_)
	{
		float f1 = p_82188_1_ +  getField_82191_bN();
		return f1 > 0.9F ? 0.9F - (f1 - 0.9F) : f1;
	}

	/**
	 * based on the villagers profession add items, equipment, and recipies adds par1 random items to the list of things
	 * that the villager wants to buy. (at most 1 of each wanted type is added)
	 */
	private void addDefaultEquipmentAndRecipies(int p_70950_1_)
	{
		if (this.getBuyingList() != null)
		{
			setField_82191_bN(MathHelper.sqrt_float((float)this.getBuyingList().size()) * 0.2F);
		}
		else
		{
			setField_82191_bN(0.0F);
		}

		MerchantRecipeList merchantrecipelist;
		merchantrecipelist = new MerchantRecipeList();
		VillagerRegistry.manageVillagerTrades(merchantrecipelist, this, this.getProfession(), this.rand);
		int k;
		label50:

			switch (this.getProfession())
			{
			case 0:
				func_146091_a(merchantrecipelist, Items.wheat, this.rand, this.adjustProbability(0.9F));
				func_146091_a(merchantrecipelist, Item.getItemFromBlock(Blocks.wool), this.rand, this.adjustProbability(0.5F));
				func_146091_a(merchantrecipelist, Items.chicken, this.rand, this.adjustProbability(0.5F));
				func_146091_a(merchantrecipelist, Items.cooked_fished, this.rand, this.adjustProbability(0.4F));
				func_146089_b(merchantrecipelist, Items.bread, this.rand, this.adjustProbability(0.9F));
				func_146089_b(merchantrecipelist, Items.melon, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.apple, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.cookie, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.shears, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.flint_and_steel, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.cooked_chicken, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.arrow, this.rand, this.adjustProbability(0.5F));

				if (this.rand.nextFloat() < this.adjustProbability(0.5F))
				{
					merchantrecipelist.add(new MerchantRecipe(new ItemStack(Blocks.gravel, 10), new ItemStack(Items.emerald), new ItemStack(Items.flint, 4 + this.rand.nextInt(2), 0)));
				}

				break;
			case 1:
				func_146091_a(merchantrecipelist, Items.paper, this.rand, this.adjustProbability(0.8F));
				func_146091_a(merchantrecipelist, Items.book, this.rand, this.adjustProbability(0.8F));
				func_146091_a(merchantrecipelist, Items.written_book, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Item.getItemFromBlock(Blocks.bookshelf), this.rand, this.adjustProbability(0.8F));
				func_146089_b(merchantrecipelist, Item.getItemFromBlock(Blocks.glass), this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.compass, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.clock, this.rand, this.adjustProbability(0.2F));

				if (this.rand.nextFloat() < this.adjustProbability(0.07F))
				{
					Enchantment enchantment = Enchantment.enchantmentsBookList[this.rand.nextInt(Enchantment.enchantmentsBookList.length)];
					int i1 = MathHelper.getRandomIntegerInRange(this.rand, enchantment.getMinLevel(), enchantment.getMaxLevel());
					ItemStack itemstack = Items.enchanted_book.getEnchantedItemStack(new EnchantmentData(enchantment, i1));
					k = 2 + this.rand.nextInt(5 + i1 * 10) + 3 * i1;
					merchantrecipelist.add(new MerchantRecipe(new ItemStack(Items.book), new ItemStack(Items.emerald, k), itemstack));
				}

				break;
			case 2:
				func_146089_b(merchantrecipelist, Items.ender_eye, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.experience_bottle, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.redstone, this.rand, this.adjustProbability(0.4F));
				func_146089_b(merchantrecipelist, Item.getItemFromBlock(Blocks.glowstone), this.rand, this.adjustProbability(0.3F));
				Item[] aitem = new Item[] {Items.iron_sword, Items.diamond_sword, Items.iron_chestplate, Items.diamond_chestplate, Items.iron_axe, Items.diamond_axe, Items.iron_pickaxe, Items.diamond_pickaxe};
				Item[] aitem1 = aitem;
				int j = aitem.length;
				k = 0;

				while (true)
				{
					if (k >= j)
					{
						break label50;
					}

					Item item = aitem1[k];

					if (this.rand.nextFloat() < this.adjustProbability(0.05F))
					{
						merchantrecipelist.add(new MerchantRecipe(new ItemStack(item, 1, 0), new ItemStack(Items.emerald, 2 + this.rand.nextInt(3), 0), EnchantmentHelper.addRandomEnchantment(this.rand, new ItemStack(item, 1, 0), 5 + this.rand.nextInt(15))));
					}

					++k;
				}
			case 3:
				func_146091_a(merchantrecipelist, Items.coal, this.rand, this.adjustProbability(0.7F));
				func_146091_a(merchantrecipelist, Items.iron_ingot, this.rand, this.adjustProbability(0.5F));
				func_146091_a(merchantrecipelist, Items.gold_ingot, this.rand, this.adjustProbability(0.5F));
				func_146091_a(merchantrecipelist, Items.diamond, this.rand, this.adjustProbability(0.5F));
				func_146089_b(merchantrecipelist, Items.iron_sword, this.rand, this.adjustProbability(0.5F));
				func_146089_b(merchantrecipelist, Items.diamond_sword, this.rand, this.adjustProbability(0.5F));
				func_146089_b(merchantrecipelist, Items.iron_axe, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.diamond_axe, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.iron_pickaxe, this.rand, this.adjustProbability(0.5F));
				func_146089_b(merchantrecipelist, Items.diamond_pickaxe, this.rand, this.adjustProbability(0.5F));
				func_146089_b(merchantrecipelist, Items.iron_shovel, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.diamond_shovel, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.iron_hoe, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.diamond_hoe, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.iron_boots, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.diamond_boots, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.iron_helmet, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.diamond_helmet, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.iron_chestplate, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.diamond_chestplate, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.iron_leggings, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.diamond_leggings, this.rand, this.adjustProbability(0.2F));
				func_146089_b(merchantrecipelist, Items.chainmail_boots, this.rand, this.adjustProbability(0.1F));
				func_146089_b(merchantrecipelist, Items.chainmail_helmet, this.rand, this.adjustProbability(0.1F));
				func_146089_b(merchantrecipelist, Items.chainmail_chestplate, this.rand, this.adjustProbability(0.1F));
				func_146089_b(merchantrecipelist, Items.chainmail_leggings, this.rand, this.adjustProbability(0.1F));
				break;
			case 4:
				func_146091_a(merchantrecipelist, Items.coal, this.rand, this.adjustProbability(0.7F));
				func_146091_a(merchantrecipelist, Items.porkchop, this.rand, this.adjustProbability(0.5F));
				func_146091_a(merchantrecipelist, Items.beef, this.rand, this.adjustProbability(0.5F));
				func_146089_b(merchantrecipelist, Items.saddle, this.rand, this.adjustProbability(0.1F));
				func_146089_b(merchantrecipelist, Items.leather_chestplate, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.leather_boots, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.leather_helmet, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.leather_leggings, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.cooked_porkchop, this.rand, this.adjustProbability(0.3F));
				func_146089_b(merchantrecipelist, Items.cooked_beef, this.rand, this.adjustProbability(0.3F));
			}

		if (merchantrecipelist.isEmpty())
		{
			func_146091_a(merchantrecipelist, Items.gold_ingot, this.rand, 1.0F);
		}

		Collections.shuffle(merchantrecipelist);

		if (this.getBuyingList() == null)
		{
			this.setBuyingList(new MerchantRecipeList());
		}

		for (int l = 0; l < p_70950_1_ && l < merchantrecipelist.size(); ++l)
		{
			this.getBuyingList().addToListWithCheck((MerchantRecipe)merchantrecipelist.get(l));
		}
	}

	/**
	 * main AI tick function, replaces updateEntityActionState
	 */
	@Override
	protected void updateAITick(){
		if (!this.isTrading()){
			if (this.getNeedsInitilization()){
				if (this.getBuyingList().size() > 1){
					Iterator<MerchantRecipe> iterator = this.getBuyingList().iterator();

					while (iterator.hasNext()){
						MerchantRecipe merchantrecipe = (MerchantRecipe)iterator.next();

						if (merchantrecipe.isRecipeDisabled())
						{
							merchantrecipe.func_82783_a(this.rand.nextInt(6) + this.rand.nextInt(6) + 2);
						}
					}
				}

				this.addDefaultEquipmentAndRecipies(1);
				this.setNeedsInitilization(false);

				if (this.getVillageObject() != null && this.getLastBuyingPlayer() != null){
					this.worldObj.setEntityState(this, (byte)14);
					this.getVillageObject().setReputationForPlayer(this.getLastBuyingPlayer(), 1);
				}
			}
		}
		super.updateAITick();
	}

}