lamas

package ru.dymeth.dlr;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.entity.Llama;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.vehicle.VehicleEnterEvent;
import org.bukkit.plugin.java.JavaPlugin;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class DenyLlamaRiding extends JavaPlugin implements Listener {
    private String command;
    private String message;

    @Override
    public void onEnable() {
        this.saveDefaultConfig();
        this.command = this.loadString("command");
        this.message = this.loadString("message");
        Bukkit.getPluginManager().registerEvents(this, this);
    }

    @Nullable
    private String loadString(@Nonnull String key) {
        String result = this.getConfig().getString(key);
        if (result == null) return null;
        result = result.trim();
        if (result.isEmpty()) return null;
        return ChatColor.translateAlternateColorCodes('&', result);
    }

    @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGH)
    private void on(VehicleEnterEvent event) {
        if (!(event.getVehicle() instanceof Llama)) return;
        if (!(event.getEntered() instanceof Player)) return;
        event.setCancelled(true);
        Player player = (Player) event.getEntered();
        if (this.message != null) event.getEntered().sendMessage(this.applyPlaceholders(this.message, player));
        if (this.command != null) Bukkit.dispatchCommand(Bukkit.getConsoleSender(), this.applyPlaceholders(this.command, player));
    }

    @Nonnull
    private String applyPlaceholders(@Nonnull String input, @Nonnull Player player) {
        return input.replace("{player}", player.getName());
    }
}