package net.minecraft.item;

import com.google.common.collect.Multimap;
import java.util.Set;
import net.minecraft.block.Block;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.ai.attributes.AttributeModifier;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;

public class ItemTool extends Item
{
    private Set<Block> effectiveBlocks;
    protected float efficiencyOnProperMaterial = 4.0F;

    /** Damage versus entities. */
    private float damageVsEntity;

    /** The material this tool is made from. */
    protected Item.ToolMaterial toolMaterial;

    protected ItemTool(float attackDamage, Item.ToolMaterial material, Set<Block> effectiveBlocks)
    {
        this.toolMaterial = material;
        this.effectiveBlocks = effectiveBlocks;
        this.maxStackSize = 1;
        this.setMaxDamage(material.getMaxUses());
        this.efficiencyOnProperMaterial = material.getEfficiencyOnProperMaterial();
        this.damageVsEntity = attackDamage + material.getDamageVsEntity();
        this.setCreativeTab(CreativeTabs.tabTools);
    }

    public float getStrVsBlock(ItemStack stack, Block block)
    {
        return this.effectiveBlocks.contains(block) ? this.efficiencyOnProperMaterial : 1.0F;
    }

    /**
     * Current implementations of this method in child classes do not use the entry argument beside ev. They just raise
     * the damage on the stack.
     */
    public boolean hitEntity(ItemStack stack, EntityLivingBase target, EntityLivingBase attacker)
    {
        stack.damageItem(2, attacker);
        return true;
    }

    /**
     * Called when a Block is destroyed using this Item. Return true to trigger the "Use Item" statistic.
     */
    public boolean onBlockDestroyed(ItemStack stack, World worldIn, Block blockIn, BlockPos pos, EntityLivingBase playerIn)
    {
        if ((double)blockIn.getBlockHardness(worldIn, pos) != 0.0D)
        {
            stack.damageItem(1, playerIn);
        }

        return true;
    }

    public Item.ToolMaterial getToolMaterial()
    {
        return this.toolMaterial;
    }

    /**
     * Return the enchantability factor of the item, most of the time is based on material.
     */
    public int getItemEnchantability()
    {
        return this.toolMaterial.getEnchantability();
    }

    /**
     * Return the name for this tool's material.
     */
    public String getToolMaterialName()
    {
        return this.toolMaterial.toString();
    }

    /**
     * Return whether this item is repairable in an anvil.
     */
    public boolean getIsRepairable(ItemStack toRepair, ItemStack repair)
    {
        return this.toolMaterial.getRepairItem() == repair.getItem() ? true : super.getIsRepairable(toRepair, repair);
    }

    public Multimap<String, AttributeModifier> getItemAttributeModifiers()
    {
        Multimap<String, AttributeModifier> multimap = super.getItemAttributeModifiers();
        multimap.put(SharedMonsterAttributes.attackDamage.getAttributeUnlocalizedName(), new AttributeModifier(itemModifierUUID, "Tool modifier", (double)this.damageVsEntity, 0));
        return multimap;
    }
}
