[Advanced Combat] EnchantmentItem

package com.advancedcombat.common.item;

import net.minecraft.client.resources.I18n;
import net.minecraft.client.util.ITooltipFlag;
import net.minecraft.enchantment.Enchantment;
import net.minecraft.item.ItemStack;
import net.minecraft.util.text.ITextComponent;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

import javax.annotation.Nonnull;
import java.util.List;

/** Enchantment upgrade item, used for both normal & elite items. */
public class EnchantmentItem extends ItemBase {
    public static final int TIER_COUNT = 2;
    public Enchantment enchant;
    public boolean single;

    public EnchantmentItem(Enchantment enchantment, boolean isSingle) {
        super(isSingle ? 1 : TIER_COUNT, true, false);
        this.enchant = enchantment;
        this.single = isSingle;
    }

    public EnchantmentItem(Enchantment enchantment) {
        this(enchantment, false);
    }

    /** Sets items name without large lang file. */
    @Override
    public @Nonnull ITextComponent getName(ItemStack stack) {
        String enchantment = I18n.get(this.enchant.getDescriptionId());

        return ITextComponent.nullToEmpty((stack.getDamageValue() > 0 ? "Elite " + enchantment : enchantment) + " Upgrade");
    }

    @OnlyIn(Dist.CLIENT)
    @Override
    public void appendHoverText(ItemStack stack, World world, List<ITextComponent> components, @Nonnull ITooltipFlag flag) {
        int tier = stack.getDamageValue();

        components.add(ITextComponent.nullToEmpty("Upgrades to " + I18n.get(this.enchant.getDescriptionId())));

        if (!single) {
            components.add(ITextComponent.nullToEmpty("Tiers " + (tier * this.enchant.getMaxLevel() + 1) + " - " + (tier + 1) * this.enchant.getMaxLevel()));
        }
    }

    /** Get the enchantment this upgrade represents. */
    public Enchantment getEnchantment() {
        return this.enchant;
    }

}