package combat.enhancer.item;

import java.util.ArrayList;
import java.util.List;

import scala.collection.mutable.HashMap;

import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.EnumToolMaterial;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemSword;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.DamageSource;
import net.minecraft.util.Icon;
import net.minecraft.world.World;


public class VectorWeapon extends ItemSword {

	//Client only fields
	//public boolean isSwinging = false;
	//public int swingTimeCur = 0;
	public int swingTimeMax = 10;
	public int swingTimeCooldown = 20;

	//this is used server side, should be split up to each player otherwise potential data collisions
	public HashMap<Integer, Boolean> swingHitEntityIDs = new HashMap<Integer, Boolean>();

	public VectorWeapon(int par1, EnumToolMaterial par2EnumToolMaterial) {
		super(par1, par2EnumToolMaterial);
		// TODO Auto-generated constructor stub
	}

	@Override
	public Icon getIconFromDamage(int par1) {
    	return Item.swordIron.getIconFromDamage(0);
    }

	@Override
	public boolean hitEntity(ItemStack par1ItemStack, EntityLiving par2EntityLiving, EntityLiving par3EntityLiving)
    {
        //par1ItemStack.damageItem(1, par3EntityLiving);
		//par2EntityLiving.worldObj.playSoundAtEntity(par2EntityLiving, "zc.meleehit", 1.0F, 1.0F);
		//possibly not needed
        return false;
    }

	@Override
	public int getDamageVsEntity(Entity par1Entity)
    {
		System.out.println("sdfsfsdfsdf");
		//this prevents the damage vanilla style
        return 0;
    }

	@Override
	public void onUpdate(ItemStack par1ItemStack, World par2World, Entity par3Entity, int par4, boolean par5) {
		if (par1ItemStack.stackTagCompound == null) par1ItemStack.stackTagCompound = new NBTTagCompound();

		if (par5) {
			if (!par2World.isRemote) {
				int serverSwingTime = par1ItemStack.stackTagCompound.getInteger("swingTimeCur");

				if (serverSwingTime > 0) {
					serverSwingTime--;
					par1ItemStack.stackTagCompound.setInteger("swingTimeCur", serverSwingTime);
					if (serverSwingTime == 0) {
						//end of swing
						System.out.println("SWINGED");
						swingHitEntityIDs.clear();
					} else {
						System.out.println("SWINGING");
						updateSwing(par1ItemStack, par2World, par3Entity, serverSwingTime);
					}
				} else {

				}
			}
			//System.out.println(par5);
		}
	}

	@Override
	public ItemStack onItemRightClick(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer) {
		if (par1ItemStack.stackTagCompound == null) par1ItemStack.stackTagCompound = new NBTTagCompound();

		int serverSwingTime = par1ItemStack.stackTagCompound.getInteger("swingTimeCur");
		if (serverSwingTime <= 0) {
			System.out.println("SWING");

			//temp
			swingTimeMax = 10;
			swingTimeCooldown = 20;

			par1ItemStack.stackTagCompound.setInteger("swingTimeCur", swingTimeMax);
		}

		System.out.println(par2World.isRemote);

		return par1ItemStack;
	}

	public void updateSwing(ItemStack par1ItemStack, World par2World, Entity par3Entity, int swingTime) {
		//assume 0 = default right to left
		int gestureType = par1ItemStack.stackTagCompound.getInteger("gestureType");

		double swingSizeDegrees = 60D;
		double swingCurDegrees = ((double)swingTime / (double)swingTimeMax) * swingSizeDegrees;

		double adjAngle = 90D + ((swingSizeDegrees / 2) - swingCurDegrees);

		System.out.println("adjAngle: " + adjAngle);

		double swingMin = 0.5D;
		double swingRes = 0.5D;
		double swingReach = 1.5D;

		for (double range = swingMin; range <= swingReach; range += swingRes) {
			//System.out.println("range: " + range);
			double dist = range;

			Entity center = par3Entity;

			double posX = (center.posX - Math.cos((-center.rotationYaw + adjAngle) * 0.01745329D) * dist);
			double posY = (center.posY/* - 0.3D - Math.sin((center.rotationPitch) / 180.0F * 3.1415927F) * dist*/);
			double posZ = (center.posZ + Math.sin((-center.rotationYaw + adjAngle) * 0.01745329D) * dist);

			//System.out.println(posX + ", " + posY + ", " + posZ);

			double aabbSize = 1.0D;

			AxisAlignedBB aabb = AxisAlignedBB.getBoundingBox(posX, posY, posZ, posX, posY, posZ).expand(aabbSize, aabbSize, aabbSize);

			List entities = par2World.getEntitiesWithinAABB(EntityLiving.class, aabb);

			for (int i = 0; i < entities.size(); i++) {
				EntityLiving entL = (EntityLiving)entities.get(i);
				if (entL != null && !entL.isDead && entL != par3Entity && !swingHitEntityIDs.contains(entL.entityId)) {
					System.out.println("hit! " + entL);
					entL.attackEntityFrom(DamageSource.causeMobDamage((EntityLiving)par3Entity), 2);
					swingHitEntityIDs.put(entL.entityId, true);
				}
			}
		}
	}

}