Easter/src/main/java/com/alttd/easter/npc/RabbitNpcManager.java

package com.alttd.easter.npc;

import com.alttd.easter.config.Config;
import com.alttd.easter.config.Messages;
import com.alttd.easter.gui.TurnInGuiManager;
import com.alttd.easter.util.Keys;
import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
import org.bukkit.Bukkit;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.entity.Rabbit;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.event.player.PlayerInteractAtEntityEvent;
import org.bukkit.persistence.PersistentDataType;
import org.bukkit.plugin.Plugin;

import java.util.UUID;

@SuppressWarnings("ClassCanBeRecord")
public class RabbitNpcManager implements Listener {

    private final org.bukkit.plugin.Plugin plugin;
    private final com.alttd.easter.gui.TurnInGuiManager turnInGuiManager;

    public RabbitNpcManager(Plugin plugin, TurnInGuiManager turnInGuiManager) {
        this.plugin = plugin;
        this.turnInGuiManager = turnInGuiManager;
        spawnOrFindRabbit();
    }

    public void reload() {
        spawnOrFindRabbit();
    }

    private void spawnOrFindRabbit() {
        // Find existing rabbit with tag, else spawn new at config location
        UUID rabbitId;
        for (org.bukkit.World world : Bukkit.getWorlds()) {
            for (org.bukkit.entity.Entity e : world.getEntitiesByClass(Rabbit.class)) {
                if (e.getPersistentDataContainer().has(Keys.RABBIT_NPC, PersistentDataType.BYTE)) {
                    rabbitId = e.getUniqueId();
                    return;
                }
            }
        }
        var loc = Config.RABBIT.getLocation(plugin.getServer());
        if (loc == null) {
            return;
        }
        Rabbit rabbit = (Rabbit) loc.getWorld().spawnEntity(loc, EntityType.RABBIT);
        rabbit.setCustomNameVisible(true);
        rabbit.customName(net.kyori.adventure.text.Component.text("Easter Bunny"));
        rabbit.getPersistentDataContainer().set(Keys.RABBIT_NPC, PersistentDataType.BYTE, (byte) 1);
        rabbitId = rabbit.getUniqueId();
    }

    @EventHandler
    public void onInteract(PlayerInteractAtEntityEvent event) {
        if (!(event.getRightClicked() instanceof Rabbit) && !(event.getRightClicked() instanceof org.bukkit.entity.LivingEntity le && le.getPersistentDataContainer().has(Keys.RABBIT_NPC, PersistentDataType.BYTE))) {
            return;
        }
        event.setCancelled(true);
        Player player = event.getPlayer();
        // Right click -> open GUI
        openTurnIn(player);
    }

    @EventHandler
    public void onLeftClick(EntityDamageByEntityEvent event) {
        if (!(event.getEntity() instanceof org.bukkit.entity.LivingEntity le)) {
            return;
        }
        if (!le.getPersistentDataContainer().has(Keys.RABBIT_NPC, PersistentDataType.BYTE)) {
            return;
        }
        if (!(event.getDamager() instanceof Player player)) {
            return;
        }
        event.setCancelled(true);
        player.sendRichMessage(Messages.RABBIT.LEFT_CLICK_INTRO,
                               Placeholder.parsed("player", player.getName())
                              );
    }

    private void openTurnIn(Player player) {
        // Delegate to TurnInGuiManager which controls the inventory and submission flow
        turnInGuiManager.open(player);
    }
}