package darkknight.jewelrycraft.effects;

import cpw.mods.fml.relauncher.ReflectionHelper;
import darkknight.jewelrycraft.api.ModifierEffects;
import darkknight.jewelrycraft.item.ItemBracelet;
import darkknight.jewelrycraft.item.ItemEarrings;
import darkknight.jewelrycraft.item.ItemNecklace;
import darkknight.jewelrycraft.item.ItemRing;
import darkknight.jewelrycraft.util.JewelryNBT;
import darkknight.jewelrycraft.util.Variables;
import net.minecraft.block.BlockOre;
import net.minecraft.client.Minecraft;
import net.minecraft.client.settings.GameSettings.Options;
import net.minecraft.entity.monster.EntityEnderman;
import net.minecraft.entity.player.EntityPlayer;
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.ChatComponentText;
import net.minecraft.util.DamageSource;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.util.StatCollector;
import net.minecraft.util.Vec3;
import net.minecraft.world.ChunkPosition;
import net.minecraft.world.biome.BiomeGenBase;

public class EffectEnderEye extends ModifierEffects {
	public EffectEnderEye() {
		super(new ItemStack(Items.ender_eye));
	}

	@Override
	public void onJewelryEquipped(ItemStack item, Item jewelry) {
		if (jewelry instanceof ItemRing) {
			int viewDistance;

			if (Minecraft.getMinecraft().gameSettings.renderDistanceChunks <= 2) {
				viewDistance = 10;
			} else {
				viewDistance = Minecraft
						.getMinecraft().gameSettings.renderDistanceChunks;
			}

			setViewDistance(item, viewDistance);
		}
	}

	@Override
	public void onJewelryUnequipped(ItemStack item, Item jewelry) {
		if (jewelry instanceof ItemRing)
			Minecraft.getMinecraft().gameSettings
					.setOptionFloatValue(
							Options.RENDER_DISTANCE,
							getViewDistance(item));
	}

	@SuppressWarnings("cast")
	@Override
	public void action(ItemStack item, EntityPlayer player,
			Item jewelry) {
		if (jewelry instanceof ItemEarrings
				&& !player.worldObj.isRemote) {
			for (Object e : player.worldObj
					.getEntitiesWithinAABB(
							EntityEnderman.class,
							player.boundingBox
									.expand(100D, 0D,
											100D))) {
				EntityEnderman enderman = (EntityEnderman) e;

				ReflectionHelper.setPrivateValue(
						EntityEnderman.class,
						enderman, -1, "stareTimer",
						"field_70826_g");

				Vec3 vec3 = player.getLook(1.0F)
						.normalize();
				Vec3 vec31 = Vec3.createVectorHelper(
						enderman.posX - player.posX,
						enderman.boundingBox.minY
								+ (double) (enderman.height
										/ 2.0F)
								- (player.posY + (double) player
										.getEyeHeight()),
						enderman.posZ - player.posZ);
				double d0 = vec31.lengthVector();
				vec31 = vec31.normalize();
				double d1 = vec3.dotProduct(vec31);
				if (d1 > 1.0D - 0.025D / d0
						&& player.canEntityBeSeen(
								enderman)) {
					// Positive earrings
					if (rand.nextInt(JewelryNBT
							.numberOfModifiers(
									item)) == 0)
						enderman.setTarget(null);
					// Negative earrings
					if (!player.isPotionActive(
							Potion.confusion)
							|| player.getActivePotionEffect(
									Potion.confusion)
									.getDuration() <= 80)
						player.addPotionEffect(
								new PotionEffect(
										Potion.confusion.id,
										300,
										2 + JewelryNBT.numberOfModifiers(
												item)
												/ 4));
				}
			}
		}

		// Positive necklace
		if (jewelry instanceof ItemNecklace
				&& !player.worldObj.isRemote) {
			ChunkPosition chunkposition = player.worldObj
					.findClosestStructure("Stronghold",
							(int) player.posX,
							(int) player.posY,
							(int) player.posZ);
			if (chunkposition != null) {
				Minecraft.getMinecraft().thePlayer.motionX += 0.01D
						* Math.signum((double) chunkposition.chunkPosX
								- player.posX)
						* (rand.nextInt(JewelryNBT
								.numberOfModifiers(
										item)) == 0 ? 1
												: -1);
				Minecraft.getMinecraft().thePlayer.motionZ += 0.01D
						* Math.signum((double) chunkposition.chunkPosZ
								- player.posZ)
						* (rand.nextInt(JewelryNBT
								.numberOfModifiers(
										item)) == 0 ? 1
												: -1);
			}
		}
		// Positive bracelet
		if (jewelry instanceof ItemBracelet
				&& !player.worldObj.isRemote
				&& player.worldObj.getBiomeGenForCoords(
						(int) player.posX,
						(int) player.posZ) == BiomeGenBase.sky
				&& (!player.isPotionActive(
						Potion.moveSpeed)
						|| player.getActivePotionEffect(
								Potion.moveSpeed)
								.getDuration() < 30))
			player.addPotionEffect(new PotionEffect(
					Potion.moveSpeed.id,
					150 - JewelryNBT.numberOfModifiers(
							item) * 10,
					2 - JewelryNBT.numberOfModifiers(
							item) / 5));
		// Negative bracelet
		if (jewelry instanceof ItemBracelet
				&& !player.worldObj.isRemote
				&& rand.nextInt(520 - JewelryNBT
						.numberOfModifiers(item)
						* 20) == 15)
			player.setPositionAndUpdate(player.posX + rand
					.nextInt(30)
					* (rand.nextBoolean() ? -1 : 1),
					player.posY,
					player.posZ + rand.nextInt(30)
							* (rand.nextBoolean()
									? -1
									: 1));
		// Negative ring
		if (jewelry instanceof ItemRing && Minecraft
				.getMinecraft().gameSettings.renderDistanceChunks != 2.2F
						- JewelryNBT.numberOfModifiers(
								item)
								* 0.1F)
			Minecraft.getMinecraft().gameSettings
					.setOptionFloatValue(
							Options.RENDER_DISTANCE,
							2.2F - JewelryNBT
									.numberOfModifiers(
											item)
									* 0.1F);
		// Positive ring
		if (jewelry instanceof ItemRing && rand.nextInt(
				180 + JewelryNBT.numberOfModifiers(item)
						* 20) == 12) {
			for (int i = (int) player.posX
					- 2; i <= (int) player.posX
							+ 2; i++)
				for (int j = (int) player.posY
						- 2; j <= (int) player.posY
								+ 2; j++)
					for (int k = (int) player.posZ
							- 2; k <= (int) player.posZ
									+ 2; k++)
						if (player.worldObj
								.getBlock(i, j, k) instanceof BlockOre)
							player.addChatComponentMessage(
									new ChatComponentText(
											EnumChatFormatting.GRAY
													+ StatCollector.translateToLocal(
															"chatmessage." + Variables.MODID
																	+ ".effect.endereye.1")
													+ " "
													+ player.worldObj
															.getBlock(i, j, k)
															.getLocalizedName()
													+ " "
													+ StatCollector.translateToLocal(
															"chatmessage." + Variables.MODID
																	+ ".effect.endereye.2")));
		}
	}

	@Override
	public void onPlayerAttacked(ItemStack item, EntityPlayer player,
			DamageSource source, Item jewelry, float amount) {
		// Negative necklace
		if (jewelry instanceof ItemNecklace
				&& !player.worldObj.isRemote)
			player.addPotionEffect(new PotionEffect(
					Potion.blindness.id,
					100 + JewelryNBT.numberOfModifiers(
							item) * 30,
					1));
	}

	public static void setViewDistance(ItemStack item,
			int viewDistance) {
		NBTTagCompound itemStackData;
		if (item.hasTagCompound())
			itemStackData = item.getTagCompound();
		else {
			itemStackData = new NBTTagCompound();
			item.setTagCompound(itemStackData);
		}
		itemStackData.setInteger("viewDistance", viewDistance);
	}

	public static int getViewDistance(ItemStack item) {
		NBTTagCompound itemStackData;
		if (item.hasTagCompound())
			itemStackData = item.getTagCompound();
		else {
			itemStackData = new NBTTagCompound();
			item.setTagCompound(itemStackData);
		}
		int i = itemStackData.getInteger("viewDistance");
		return i;
	}
}