package ru.slimechan.prison.menu;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.bukkit.entity.Player;
import org.bukkit.event.Event.Result;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.ClickType;
import org.bukkit.event.inventory.InventoryAction;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.inventory.InventoryCloseEvent;
import org.bukkit.event.inventory.InventoryType;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;

import de.tr7zw.itemnbtapi.NBTItem;
import ru.slimechan.prison.PrisonPlayer;
import ru.slimechan.prison.managers.PlayerManager;

public class ShopMenu extends Menu implements Listener{

	private Map<ItemStack, ItemStack> items = new HashMap<ItemStack, ItemStack>();

	private String title;

	private boolean canSell;

	private boolean transaction = false;

	public ShopMenu(int size, String title, int coins, boolean canSell) {
		super(size, getCoinsTitle(title, coins), false);
		this.title = title;
		this.canSell = canSell;
	}
	public void setItem(int slot, ItemStack stack, int price) {

		ItemStack item = stack.clone();

		NBTItem i = new NBTItem(item);
		i.setInteger("price", price);
		item = i.getItem();

		ItemMeta m = item.getItemMeta();
		List<String> lore = new ArrayList<>();
		if(item.getItemMeta().getLore()!=null) {
			lore = item.getItemMeta().getLore();
		}

		lore.add("§a§l"+price+" ⛃");
		lore.add("§8Нажми чтобы купить");
		m.setLore(lore);

		item.setItemMeta(m);

		inv.setItem(slot, item);

		items.put(item, stack);
	}
	public void setItem(int slot, ItemStack stack, int price, int sellPrice) {

		ItemStack item = stack.clone();

		NBTItem i = new NBTItem(item);
		i.setInteger("price", price);
		i.setInteger("sellPrice", sellPrice);
		item = i.getItem();


		ItemMeta m = item.getItemMeta();
		List<String> lore = new ArrayList<>();
		if(item.getItemMeta().getLore()!=null) {
			lore = item.getItemMeta().getLore();
		}

		lore.add("§a§l"+price+" ⛃");
		lore.add("§c§l"+sellPrice+" ⛃");
		lore.add("§8Нажми чтобы купить");
		m.setLore(lore);

		item.setItemMeta(m);
		inv.setItem(slot, item);
		items.put(item, stack);
	}

	@EventHandler
	protected void onClose(InventoryCloseEvent ev) {
		if(ev.getInventory()==null) return;
		if(transaction) {reopen((Player) ev.getPlayer());return;}
		if(ev.getView().getTopInventory().getTitle().equals(inv.getTitle())) {
			dispose();
		}
	}
	private boolean compare(ItemStack a, ItemStack b) {
		if(a.getType().equals(b.getType())) {
			if(a.getData().equals(b.getData())) {
				return true;
			}
		}
		return false;
	}
	private ItemStack getItemByValue(ItemStack item) {
		for(ItemStack a : items.keySet()) {
			if(compare(item, items.get(a))) {
				return a;
			}
		}
		return null;
	}

	@Override
	@EventHandler
	protected void onClick(InventoryClickEvent ev) {
		if(ev.getClickedInventory()==null) return;
		if(ev.getClickedInventory().getTitle().equals(inv.getTitle())) {

			ev.setCancelled(true);
			ClickType click = ev.getClick();
		    int slot = ev.getRawSlot();
			if (click != ClickType.LEFT && click != ClickType.RIGHT) return;
			if (slot > inv.getContents().length - 1 || slot < 0) return;
			if(ev.getAction() != InventoryAction.PICKUP_ALL) {ev.setResult(Result.DENY);return;}

			if(ev.getCurrentItem()==null) return;
			NBTItem it = new NBTItem(ev.getCurrentItem());
			if(click.equals(ClickType.LEFT) & it.hasKey("price")) {

				buy(ev.getCurrentItem(), it.getInteger("price"), (Player) ev.getWhoClicked());
				PrisonPlayer pp = PlayerManager.Instance.getPrisonPlayer((Player) ev.getWhoClicked());
				//update((Player) ev.getWhoClicked(), getCoinsTitle(title, pp.getCoins()));

			}else if(click.equals(ClickType.RIGHT) & it.hasKey("sellPrice")){

				ItemStack item = getItemByValue(ev.getCurrentItem());
				if(ev.getCurrentItem().getAmount()>=item.getAmount())
					sell(ev.getCurrentItem(), item.getAmount(), it.getInteger("sellPrice"), (Player) ev.getWhoClicked());
					PrisonPlayer pp = PlayerManager.Instance.getPrisonPlayer((Player) ev.getWhoClicked());
					//update((Player) ev.getWhoClicked(), getCoinsTitle(title, pp.getCoins()));
			}

		}

	}


	private void buy(ItemStack stack, int price, Player pl) {
		if(stack == null) return;
		PrisonPlayer pp = PlayerManager.Instance.getPrisonPlayer(pl);
		if(pp.getCoins()>=price) {
			pp.removeCoins(price);
			pl.getInventory().addItem(items.get(stack));


		}
	}
	private void sell(ItemStack stack, int amount, int price, Player pl) {
		PrisonPlayer pp = PlayerManager.Instance.getPrisonPlayer(pl);

		pp.addCoins(price);
		if(stack.getAmount()-amount>0) {
			stack.setAmount(stack.getAmount()-amount);
		}else if(stack.getAmount()-amount==0){
			pl.getInventory().removeItem(stack);
		}



	}

	private static String getCoinsTitle(String title, int coins) {
		if((title+coins).length()<32) {
			String newTitle= title;
			for(int id = 0; id<32-(title+coins).length(); id++)
				newTitle+=" ";

			return newTitle+coins;
		}
		return title;
	}
}