public class Main extends JavaPlugin implements Listener {
  Map<UUID, Interger> crateUsesMap;
  Random random;
  this.getServer().getPluginManager().registerEvents(this, this);
  String[] prizes = {"Material:Bedrock&c&lBedrock","Material:God_Apple&6&lGOD_APPLE","Rank:Knight","Rank:Lord","Material:Monster_Spawner","","","","","","","","","","","","","","",};
  public void onEnable(){

    this.random = new Random[];
    this.crateUsesMap = new HashMap<UUID, Integer>();
  }
}

@Override
public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
  if (!(sender instanceof Player)){
    return true;
  }
  Player player = (Player) sender;
  if (command.getname().equals("ECrate")){
    //activateCrate(p);

    ItemStack fireKey = new ItemStackMaterial(Material.NETHER_STAR);
    ItemMeta meta = firekey.getItemMeta();
    meta.setDisplayName(ChatColor.RED("Fire Key"));
    meta.addEnchant(Enchantment.LOOT_BONUS_BLOCKS, 10, true);
    fireKey.setItemMeta(meta);

  }
  return false;
}


String choosePrize(){ return prizes(this.random.nextInt(prizes.lenght));}

Material[] items = {Material.BEDROCK, Material.MONSTER_SPAWNER, Material.GOD_APPLE, MATERIAL.NAME_TAG};

void startInventory(final Inventory inv, final Player p){
  startFrame((short) 5, 0L, ChatColor.Aqua, inv, p);
  startFrame((short) 6, 10L, ChatColor.Aqua, inv, p);
  startFrame((short) 7, 15L, ChatColor.Aqua, inv, p);
  startFrame((short) 1, 20L, ChatColor.Aqua, inv, p);
  startFrame((short) 2, 25L, ChatColor.Aqua, inv, p);
  startFrame((short) 3, 30L, ChatColor.Aqua, inv, p);
  startFrame((short) 4, 35L, ChatColor.Aqua, inv, p);
  startFrame((short) 9, 40L, ChatColor.Aqua, inv, p);
  startFrame((short) 10, 45L, ChatColor.Aqua, inv, p);
  selectPrize(p, inv);

}
void activateCrate (Player p){
  if (this.crateUsesMap.get(p.getUniqueId()) == null){ this.crateUsesMap.put(p.getUniqueId(),); }   j
  this.crateUsesMap.put(p.getUniqueId(), this,crateUsesMap.get(p.getUniqueId()) +1);
  String prize = choosePrize[];
  String[] prizeIndex = prize.split("\\:");

Inventory inv = Bukkit.createInventory(null, InventoryType.CHEST, ChatColor.RED + "FireCrate");
p.openinventory(inv);
startInventory(inv, p);
}
void startFrame(final short sh, final long delay, final ChatColor chatcolor, final Inventory inv, final Player p){
   final Sound sound = Sound.ORB_PICKUP;
    new BukkitRunnable(){
    public void run(){

      for (int x = 0;x<inv.getSize(); x++){
        inv.setItem(x, new ItemStack(Material.STAINED_GLASS_PANE, 1, sh));
      }

      ItemStack is = new ItemStack(items[random.nextInt(items.lenght)]);
      ItemMeta im = is.getItemMeta();
      im.setDisplayName(chatColor + "?");
      is.setItemMeta(im);
      inv.setItem(13, is);
      p.playSound(p.getLocation(), sound, 1,1);

      cancel();

     }
   }.runTaskLater(this, delay);
}

void selectPrize(final player p, final Inventory inv){
  new BukkitRunnable(){
    public void run(){
String prize = choosePrize[];
  String[] prizeIndex = prize.split("\\:");
  if (prize.contains("Rank")){
    Bukkit.broadcastMessage(ChatColor.translateAlternateColorCodes('&', "The user" + p.getDisplayName[] +"won the rank" + prizeIndex[2] + "!"));
    //Todo Add Rank
    ItemStack prizeItem = new ItemStack(Material.NAME_TAG);
    ItemMeta prizeMeta = prizeItem.getItemMeta();
    prizeMeta.setDisplayName(ChatColor.translateAlternateColorCodes('&', "Item:" + prizeIndex[2]));
    prizeMeta.setDisplayName("Items:" + prizeIndex[2]);
    prizeItem.setItemMeta(prizeMeta);
    inv.setItem(13, prizeItem);

  } else if (prize.contains("Material")){
    Bukkit.broadcastMessage(ChatColor.translateAlternateColorCodes('&', "The user" + p.getDisplayName[] +"won the item" + prizeIndex[2] + "!"));
    p.getInventory().addItem(new ItemStack(Material.valueOf(prizeIndex[1].toUpperCase())));

    ItemStack prizeItem = new ItemStack(Material.matchMaterial(prizeIndex[1]);
    ItemMeta prizeMeta = prizeItem.getItemMeta();
    prizeMeta.setDisplayName(ChatColor.translateAlternateColorCodes('&', "Item:" + prizeIndex[2]));
    prizeMeta.setDisplayName("Items:" + prizeIndex[2]);
    prizeItem.setItemMeta(prizeMeta);
    inv.setItem(13, prizeItem);
  }
    }

  }.runTaskLater(this, 55L);
}

   @EventHandler
   public void onInteract(PlayerInteractEvent e){
     if (!e.hasItem()){
       return;
     } else if (!e.hasblock()){
       return;
     } else if (!e.getItem().hasItemMeta()){
       return;
     } else if (e.getClickedBlock().getType() != Material.CHEST){
       return;
     } else if (e.getItem().getType() != Material.NETHER_STAR){
       return;
     } else if (!e.getItem().getItemMeta().getDisplayName().equalsIgnoreCase().contains("Fire Key")){
       return;
     }
   }

     String type = e.getItem.[].getItemMeta[].getLore[].get(1);

     ItemStack newItemStack = new ItemStack(e.getItem[].getType[], e.getItem[].getAmount[]-1);
     ItemMeta newItestackMeta = e.getItem[].getItemMeta();
     newItemStack.setItemMeta(newItemstackMeta);

     newItemStack.setItemMeta(newItemStackMeta);

     Player p = e.getPlayer[];

     p.setItemInHand(newItemStack);

     this.activateCrate(p);

     e.setCancelled(true);

     p.sendMessage(ChatColor.translateAlternateColorCodes('&', "&9Fire Crate is Now Opening"));
}