package com.battlepvp.crafttnt;
import com.google.common.collect.Lists;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.java.JavaPlugin;

import java.util.Iterator;
import java.util.List;

public class CraftTNT
        extends JavaPlugin
{
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args)
    {
        if (!Player.class.isAssignableFrom(sender.getClass()))
        {
            getServer().getLogger().info("Console can not use this command");
            return false;
        }
        Player p = (Player)sender;
        ItemStack[] invContents = p.getInventory().getContents();

        int sulphur = 0;
        int sand = 0;

        for (ItemStack itm : invContents) {
            if ((itm != null) && (itm.getType() != Material.AIR)) {
                if ((itm.getType() == Material.SULPHUR) && (!itm.hasItemMeta())) {
                    sulphur += itm.getAmount();
                } else if ((itm.getType() == Material.SAND) && (!itm.hasItemMeta())) {
                    sand += itm.getAmount();
                }
            }
        }
        int max = sulphur / 5 > sand / 4 ? sand / 4 : sulphur / 5;
        if (max < 1)
        {
            sender.sendMessage(ChatColor.RED + "You don't have the materials to craft TNT");
        }
        else
        {
            int removeSand = 4 * max;

            int removeSulphur = 5 * max;

            for (ItemStack stack : p.getInventory().getContents()) {
                if (stack == null || stack.getType() == Material.AIR)
                    continue;
                if (removeSand <= 0)
                    break;

                if (stack.getType().equals(Material.SAND)) {
                    if (removeSand >= stack.getAmount()) {
                        p.getInventory().removeItem(stack);
                        removeSand -= (stack.getAmount());
                    } else {
                        int remove_amount = stack.getAmount() - removeSand;
                        removeSand -= remove_amount;

                        stack.setAmount(remove_amount);
                    }
                }
            }

            p.getInventory().removeItem(new ItemStack[]{new ItemStack(Material.SULPHUR, removeSulphur)});
            p.getInventory().addItem(new ItemStack[] { new ItemStack(Material.TNT, max) });

            p.sendMessage(ChatColor.GREEN + "Successfully crafted " + max + " TNT");
        }
        return true;
    }
}