package org.broken.cheststorage.menus;

import org.broken.cheststorage.data.ChestRegistry.ChestData;
import org.bukkit.Bukkit;
import org.bukkit.GameMode;
import org.bukkit.entity.HumanEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.inventory.InventoryCloseEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
import org.jetbrains.annotations.NotNull;

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


public class ChestGuiInventory implements InventoryHolder {


    public static final Map<UUID, Inventory> viewers = new HashMap<>();
    private Inventory gui;

    public Inventory createMenu() {
        int size = 27;
        return Bukkit.createInventory(null, size, "Gui Chest");
    }

    public void showMenus(Player player, ChestData chestData) {
        int size = 27;
        gui = createMenu();
        ItemStack[] items = chestData.getChestContents();

        if (items == null)
            items = new ItemStack[size];

        gui.setContents(items);
        player.updateInventory();
        player.openInventory(gui);
    }

    @NotNull
    @Override
    public Inventory getInventory() {
        return gui;
    }


    public boolean onOpen(PlayerInteractEvent event) {
        viewers.put(event.getPlayer().getUniqueId(), createMenu());

        return true;
    }

    public boolean onClose(InventoryCloseEvent event) {
        viewers.remove(event.getPlayer().getUniqueId());

        return getViewersAmount(event.getViewers()) <= 1;
    }

    private int getViewersAmount(List<HumanEntity> viewersList) {
        int viewers = 0;
        for (HumanEntity viewer : viewersList) {
            if (viewer.getGameMode() != GameMode.SPECTATOR)
                viewers++;
        }

        return viewers;
    }
}