package com.theishiopian.BeamCannon;

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

import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.EnumAction;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.ActionResult;
import net.minecraft.util.DamageSource;
import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumHand;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

public class ItemBeamCannon extends Item
{
    public ItemBeamCannon()
    {
        this.setUnlocalizedName("beam_cannon");
        this.setRegistryName("beam_cannon");
        this.setCreativeTab(CreativeTabs.COMBAT);
        this.setMaxStackSize(1);
    }

    @Override
    public ActionResult<ItemStack> onItemRightClick(World worldIn, EntityPlayer playerIn, EnumHand handIn)
    {
        System.out.println("0");
        double posX = playerIn.posX + playerIn.getLookVec().xCoord
                + (playerIn.width / 2.0) * Math.sin(Math.toRadians(-playerIn.rotationYaw - 90));
        double posY = playerIn.posY + playerIn.getEyeHeight() - 0.2 + playerIn.getLookVec().yCoord;
        double posZ = playerIn.posZ + playerIn.getLookVec().zCoord
                + (playerIn.width / 2.0) * Math.cos(Math.toRadians(-playerIn.rotationYaw - 90));

        double targX = playerIn.posX + playerIn.getLookVec().xCoord * 96.0f
                + (30.0 * 1 * (itemRand.nextFloat() - 0.5));
        double targY = playerIn.posY + playerIn.getLookVec().yCoord * 96.0f
                + (30.0 * 1 * (itemRand.nextFloat() - 0.5));
        double targZ = playerIn.posZ + playerIn.getLookVec().zCoord * 96.0f
                + (30.0 * 1 * (itemRand.nextFloat() - 0.5));

        double dX = targX - posX;
        double dY = targY - posY;
        double dZ = targZ - posZ;
        boolean doContinue = true;
        if(!worldIn.isRemote)
        {
            PacketHandler.INSTANCE
                    .sendToAll(new EnergyBeam(playerIn.getUniqueID(), posX, posY, posZ, dX, dY, dZ));
        }
        for (double i = 0; i < 384.0 && doContinue; i++)
        {
            for (int j = 0; j < 5; j++)
            {
                posX += 0.2 * i * dX / 384.0;
                posY += 0.2 * i * dY / 384.0;
                posZ += 0.2 * i * dZ / 384.0;
            }
            IBlockState state = worldIn.getBlockState(new BlockPos(posX, posY, posZ));
            if(state.isFullCube() && state.isOpaqueCube())
            {
                doContinue = false;
            }
            List<EntityLivingBase> rawEntities = worldIn.getEntitiesWithinAABB(EntityLivingBase.class,
                    new AxisAlignedBB(posX - 0.85, posY - 0.85, posZ - 0.85, posX + 0.85, posY + 0.85, posZ + 0.85));
            ArrayList<EntityLivingBase> entities = new ArrayList<EntityLivingBase>();
            for (int j = 0; j < rawEntities.size(); j++)
            {
                if(rawEntities.get(j).getUniqueID().compareTo(playerIn.getUniqueID()) != 0)
                {
                    entities.add(rawEntities.get(j));
                }
            }
            if(entities.size() > 0)
            {
                entities.get(0).setFire(1);
                entities.get(0).attackEntityFrom(DamageSource.causeMobDamage(playerIn), 7.0f);
                entities.get(0).setLastAttacker(playerIn);
                entities.get(0).setRevengeTarget(playerIn);
                entities.get(0).knockBack(playerIn, 0.5f, -dX, -dZ);
                doContinue = false;
            }
        }
        return new ActionResult<ItemStack>(EnumActionResult.PASS, playerIn.getHeldItem(handIn));
    }

    @Override
    public boolean shouldCauseReequipAnimation(ItemStack oldStack, ItemStack newStack, boolean slotChanged)
    {
        return slotChanged || newStack.getItem() != oldStack.getItem();
    }

    @Override
    public void onUpdate(ItemStack stack, World world, Entity entity, int slot, boolean selected)
    {
        if(!stack.hasTagCompound())
        {
            stack.setTagCompound(new NBTTagCompound());
            stack.getTagCompound().setInteger("cooldown", 0);
        }
        else
        {
            if(stack.getTagCompound().getInteger("cooldown") > 0)
            {
                stack.getTagCompound().setInteger("cooldown", stack.getTagCompound().getInteger("cooldown") - 1);
            }
        }
    }

    @Override
    public int getMaxItemUseDuration(ItemStack stack)
    {
        return 72000;
    }

    @Override
    public EnumAction getItemUseAction(ItemStack stack)
    {
        return EnumAction.BOW;
    }
}