package com.demoxin.minecraft.moreenchants;

import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemSword;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.world.World;

public class Item_MagicSword extends ItemSword
{
    public ItemMagicSword(ToolMaterial p_i45356_1_) {
        super(p_i45356_1_);
    }

    public ItemStack onItemRightClick(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)
    {
        // Make sure we're not going to get any NPEs by working on a tag compound that doesn't exist
        if(!par1ItemStack.hasTagCompound())
        {
            // Create the tag compound
            par1ItemStack.setTagCompound(new NBTTagCompound());
        }

        // If we don't already have the tag set, we need to create it. Our tag name is katanaInvis
        if(!par1ItemStack.getTagCompound().hasKey("katanaInvis"))
        {
            // Create the initial tag.
            par1ItemStack.getTagCompound().setBoolean("katanaInvis", true);
        }
        else
        {
            // Toggle the true/false value of the tag.
            par1ItemStack.getTagCompound().setBoolean("katanaInvis", !par1ItemStack.getTagCompound().getBoolean("katanaInvis"));
        }

        // Return the sword to reflect the changes
        return par1ItemStack;
    }

    public void onUpdate(ItemStack par1ItemStack, World par2World, Entity par3Entity, int par4, boolean par5)
    {
        // Make sure we're gonna be able to cast safely.
        if(!(par3Entity instanceof EntityLivingBase))
            return;

        // Cast the basic Entity to a more specific EntityLivingBase, used for players and mobs
        EntityLivingBase user = (EntityLivingBase)par3Entity;

        // Make sure the ELB is holding an item.
        if(user.getHeldItem() == null)
            return;

        // Make sure the item they're holding is this one.
        if(user.getHeldItem().getItem() != this)
            return;

        // If there's no tag compound, we can assume they haven't ever toggled invisibility on, so no need to test any further.
        if(!par1ItemStack.hasTagCompound())
            return;

        // Make sure the key is valid to avoid NPEs, then check for that value.
        if(par1ItemStack.getTagCompound().hasKey("katanaInvis") && par1ItemStack.getTagCompound().getBoolean("katanaInvis") == true)
        {
            // The katanaInvis tag is true, add the effect for 1 second.
            user.addPotionEffect(new PotionEffect(Potion.invisibility.id, 20, 1));
        }
    }
}