Main Class

package classes.classes;

import classes.classes.ClassInterfaces.BlackSmith;
import classes.classes.ClassInterfaces.Warrior;
import classes.classes.Commands.Menu;
import classes.classes.Commands.SpawnDragon;
import classes.classes.Events.DragonEvent;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.FileConfigurationOptions;
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.entity.PlayerDeathEvent;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.player.AsyncPlayerChatEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.ShapedRecipe;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.java.JavaPlugin;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

public final class Classes extends JavaPlugin implements Listener {
    public static Classes instance;
    public static void setInstance(Classes instance){
        Classes.instance = instance;
    }
    public static Classes getInstance(){
        return instance;
    }

    @Override
    public void onEnable() {
        setInstance(this);
        getServer().getPluginManager().registerEvents(new Menu(), this);
        getServer().getPluginManager().registerEvents(this, this);
        getServer().getPluginManager().registerEvents(new Warrior(), this);
        getServer().getPluginManager().registerEvents(new SpawnDragon(), this);
        getServer().getPluginManager().registerEvents(new DragonEvent(), this);
        getServer().getPluginManager().registerEvents(new BlackSmith(), this);
        getCommand("getartifacts").setExecutor(new Artifacts());
        getCommand("classes").setExecutor(new Menu());
        getCommand("spawndragon").setExecutor(new SpawnDragon());
        File specialcrafting = new File(getDataFolder() + File.separator + "specialcraftingtables.yml");
        if(!specialcrafting.exists()){
            try {
                specialcrafting.createNewFile();
                FileConfiguration special = YamlConfiguration.loadConfiguration(specialcrafting);
                special.set("PlacedCraftings", new ArrayList<String>());
                special.save(specialcrafting);
            } catch (IOException e) {
                e.printStackTrace();
            }

        }
        // Plugin startup logic

    }

    @EventHandler
    public void onPlayerJoin(PlayerJoinEvent e) throws IOException {
        File file = new File(getDataFolder() + File.separator + e.getPlayer().getUniqueId() + ".yml");
        if(!file.exists()){
            file.createNewFile();
            FileConfiguration edit = YamlConfiguration.loadConfiguration(file);
            edit.set("HasWarrior", false);
            edit.set("HasMage", false);
            edit.set("HasFisher", false);
            edit.set("HasGuardian", false);
            edit.set("HasSales", false);
            edit.set("HasLumber", false);
            edit.set("HasArcher", false);
            edit.set("HasScientist", false);
            edit.set("CurrentClass", "none");
            edit.save(file);

        }
    }

    public static File getFile(Player player){
        File file = new File("plugins/Classes/" + File.separator + player.getUniqueId() + ".yml");
        return file;
    }

    @EventHandler
    public void onTag(AsyncPlayerChatEvent e){
        if(e.getPlayer() != null){
            Player player = e.getPlayer();
            File file = getFile(player);
            FileConfiguration edit = YamlConfiguration.loadConfiguration(file);
            if(edit.get("CurrentClass") != "none"){
                if(edit.get("CurrentClass").equals("Warrior")){
                    player.setDisplayName(player.getDisplayName() + ChatColor.translateAlternateColorCodes('&', " &7[&3Warrior&7]&f"));
                }
            }
        }
    }

    @EventHandler
    public void onDeath(PlayerDeathEvent e){
        e.setDeathMessage(null);
    }




    @Override
    public void onDisable() {
        // Plugin shutdown logic
    }
}