package WayofTime.bloodmagic.api.livingArmour;

import net.minecraft.entity.ai.attributes.AttributeModifier;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.world.World;
import WayofTime.bloodmagic.livingArmour.LivingArmour;

import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;

public abstract class LivingArmourUpgrade {

	protected int level = 0; // Upgrade level 0 is the first upgrade. Upgrade
								// goes from 0 to getMaxTier() - 1.

	/**
	 * The LivingArmourUpgrade must have a constructor that has a single integer
	 * parameter. Upgrades may have other constructors, but must have one of
	 * these.
	 * 
	 * @param level
	 *            The level of the upgrade
	 */
	public LivingArmourUpgrade(int level) {
		this.level = level;
	}
	
	public int getUpgradeLevel()
	{
		return this.level;
	}

	public abstract String getUniqueIdentifier();

	/**
	 * 
	 * @return
	 */
	public abstract int getMaxTier();
	
	public abstract int getCostOfUpgrade();
	
	public void onTick(World world, EntityPlayer player, LivingArmour livingArmour){}

	public Multimap<String, AttributeModifier> getAttributeModifiers() {
		return HashMultimap.<String, AttributeModifier> create();
	}
	
	public abstract void writeToNBT(NBTTagCompound tag);
	
	public abstract void readFromNBT(NBTTagCompound tag);
}