package me.km.utils;

import java.util.ArrayList;
import me.km.utils.ItemStackUtils.ItemFlag;
import net.minecraft.block.Block;
import net.minecraft.init.Enchantments;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

public class ItemStackBuilder 
{
    private final ItemStack stack;
    
    public ItemStackBuilder(Block b, int amount)
    {
        stack = new ItemStack(b, amount);
    }
    
    public ItemStackBuilder(Block b, int amount, int meta)
    {
        stack = new ItemStack(b, amount, meta);
    }
    
    public ItemStackBuilder(Item i, int amount)
    {
        stack = new ItemStack(i, amount);
    }
    
    public ItemStackBuilder(Item i, int amount, int meta)
    {
        stack = new ItemStack(i, amount, meta);
    }
    
    public ItemStackBuilder(ItemStack stack, int amount)
    {
        this.stack = stack.copy();
        this.stack.setCount(amount);
    }

    public ItemStack build()
    {
        return stack;
    }
    
    public void drop(World w, BlockPos l)
    {
        Block.spawnAsEntity(w, l, stack);
    }
 
    public ItemStackBuilder setName(String name)
    {
        stack.setStackDisplayName(name);
        return this;
    }
    
    public ItemStackBuilder addToName(String name)
    {
        stack.setStackDisplayName(stack.getDisplayName() + name);
        return this;
    }
    
    public ItemStackBuilder addLore(String line)
    {
        ItemStackUtils.addLore(stack, line);
        return this;
    }
    
    public ItemStackBuilder addLimitedLore(String whole, int limit, String addition)
    {
        ItemStackUtils.setLore(stack, buildLimitedLore(whole, limit, addition));
        return this;
    }
    
    public ItemStackBuilder addLimitedLore(String whole, String addition)
    {
        return addLimitedLore(whole, 25, addition);
    }
    
    public static ArrayList<String> buildLimitedLore(String whole, int limit, String addition)
    {
        ArrayList<String> list = new ArrayList<>();
        int pos = 0;
        int space;
        while(pos + limit < whole.length())
        {
            space = whole.lastIndexOf(" ", pos + limit);
            if(space == -1 || pos > space)
            {
                space = whole.indexOf(" ", pos + limit);
            }          
            list.add(addition + whole.substring(pos, space));  
            pos = space + 1;
        }
        list.add(addition + whole.substring(pos));
        return list;
    }
    
    public ItemStackBuilder hideTags()
    {
        ItemStackUtils.addItemFlag(stack, ItemFlag.HIDE_ATTRIBUTES, ItemFlag.HIDE_POTION_EFFECTS, ItemFlag.HIDE_ENCHANTS);
        return this;
    }
    
    public ItemStackBuilder addGlow()
    {
        stack.addEnchantment(Enchantments.PROTECTION, 1);
        return this;
    }
}