import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.java.JavaPlugin;

import java.io.File;
import java.io.IOException;

public class RewardPlugin extends JavaPlugin implements Listener, CommandExecutor {

    private File dataFile;
    private FileConfiguration dataConfig;

    private String menuTitle;
    private ItemStack requiredItem;
    private String rewardCommand;

    @Override
    public void onEnable() {
        saveDefaultConfig();
        loadConfig();

        getServer().getPluginManager().registerEvents(this, this);
        getCommand("rewards").setExecutor(this);

        dataFile = new File(getDataFolder(), "data.yml");
        dataConfig = YamlConfiguration.loadConfiguration(dataFile);
    }

    private void loadConfig() {
        reloadConfig();
        menuTitle = ChatColor.translateAlternateColorCodes('&', getConfig().getString("menu-title"));

        ConfigurationSection requiredItemSection = getConfig().getConfigurationSection("required-item");
        Material material = Material.valueOf(requiredItemSection.getString("material"));
        String name = ChatColor.translateAlternateColorCodes('&', requiredItemSection.getString("name"));
        String[] loreArray = requiredItemSection.getStringList("lore").toArray(new String[0]);
        ItemStack item = new ItemStack(material);
        item.getItemMeta().setDisplayName(name);
        item.getItemMeta().setLore(Arrays.asList(loreArray));
        requiredItem = item;

        rewardCommand = getConfig().getString("reward-command");
    }

    @Override
    public void onDisable() {
    }

    @Override
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        if (cmd.getName().equalsIgnoreCase("rewards")) {
            if (sender instanceof Player) {
                Player player = (Player) sender;
                openRewardMenu(player);
            } else {
                sender.sendMessage("Only players.");
            }
            return true;
        }
        return false;
    }

    private void openRewardMenu(Player player) {
        Inventory menu = Bukkit.createInventory(null, 9, menuTitle);
        menu.setItem(4, requiredItem);
        player.openInventory(menu);
    }

    @EventHandler
    public void onInventoryClick(InventoryClickEvent event) {
        if (event.getView().getTitle().equals(menuTitle)) {
            ItemStack clickedItem = event.getCurrentItem();
            Player player = (Player) event.getWhoClicked();

            if (clickedItem != null && clickedItem.isSimilar(requiredItem)) {
                player.getInventory().remove(clickedItem);
                player.sendMessage(ChatColor.GREEN + "Поздравляем! Вы получили награду!");
                Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), rewardCommand.replace("{player}", player.getName()));
                recordItem(player.getName(), clickedItem);
            }

            event.setCancelled(true);
        }
    }

    private void recordItem(String playerName, ItemStack item) {
        dataConfig.set("rewards." + playerName + ".item", item);
        saveDataConfig();
    }

    private void saveDataConfig() {
        try {
            dataConfig.save(dataFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}