Event System

import com.kitemc.arcpass.api.event.*;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;

public class ArcPassListener implements Listener {

    @EventHandler
    public void onLevelUp(PlayerLevelUpEvent event) {
        // Handle level up
    }

    @EventHandler
    public void onQuestComplete(QuestCompleteEvent event) {
        // Handle quest completion
    }
}

@Override
public void onEnable() {
    getServer().getPluginManager().registerEvents(new ArcPassListener(), this);
}

@EventHandler
public void onLevelUp(PlayerLevelUpEvent event) {
    UUID playerId = event.getPlayerId();
    int oldLevel = event.getOldLevel();
    int newLevel = event.getNewLevel();
    long totalExperience = event.getTotalExperience();

    Player player = Bukkit.getPlayer(playerId);
    if (player != null) {
        player.sendMessage("§6Congratulations! §e" + oldLevel + " → " + newLevel);
        player.getWorld().spawn(player.getLocation(), Firework.class);
        myRewardSystem.checkMilestone(player, newLevel);
    }

    getLogger().info(player.getName() + " reached level " + newLevel);
}

@EventHandler
public void onQuestComplete(QuestCompleteEvent event) {
    UUID playerId = event.getPlayerId();
    Quest quest = event.getQuest();
    int experienceReward = event.getExperienceReward();

    Player player = Bukkit.getPlayer(playerId);
    if (player == null) return;

    // Anti-cheat check
    if (antiCheat.isSuspicious(player)) {
        event.setCancelled(true);
        getLogger().warning("Suspicious completion: " + player.getName());
        return;
    }

    // Double XP event
    if (isDoubleExpActive()) {
        event.setExperienceReward(experienceReward * 2);
        player.sendMessage("§aDouble XP! Extra +" + experienceReward);
    }

    questStats.recordCompletion(player, quest);
}

@EventHandler
public void onRewardClaim(RewardClaimEvent event) {
    UUID playerId = event.getPlayerId();
    int level = event.getLevel();
    String tierId = event.getTierId();
    List<Reward> rewards = event.getRewards();

    Player player = Bukkit.getPlayer(playerId);
    if (player == null) return;

    // Check inventory space
    int requiredSlots = countRequiredSlots(rewards);
    int emptySlots = countEmptySlots(player.getInventory());

    if (emptySlots < requiredSlots) {
        event.setCancelled(true);
        player.sendMessage("§cNot enough inventory space!");
        return;
    }

    getLogger().info(player.getName() + " claimed Lv." + level + " " + tierId);
    achievementSystem.checkRewardMilestone(player, level);
}

@EventHandler
public void onSeasonStart(SeasonStartEvent event) {
    Season season = event.getSeason();

    Bukkit.broadcastMessage("");
    Bukkit.broadcastMessage("§6§l★ " + season.getDisplayName() + " Started! ★");
    Bukkit.broadcastMessage("§7Complete quests for exclusive rewards!");
    Bukkit.broadcastMessage("");

    for (Player player : Bukkit.getOnlinePlayers()) {
        player.playSound(player.getLocation(), Sound.UI_TOAST_CHALLENGE_COMPLETE, 1.0f, 1.0f);
    }

    seasonTracker.initNewSeason(season);
    discordBot.sendSeasonAnnouncement(season);
}

@EventHandler
public void onSeasonEnd(SeasonEndEvent event) {
    Season season = event.getSeason();

    Bukkit.broadcastMessage("");
    Bukkit.broadcastMessage("§c§l★ " + season.getDisplayName() + " Ended! ★");
    Bukkit.broadcastMessage("§7Thanks to all participants!");
    Bukkit.broadcastMessage("");

    seasonTracker.saveSeasonStats(season);
    distributeLeaderboardRewards(season);
    discordBot.sendSeasonEndAnnouncement(season);
}

@EventHandler(priority = EventPriority.HIGH)
public void onQuestComplete(QuestCompleteEvent event) {
    // High priority processing
}

@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onQuestCompleteMonitor(QuestCompleteEvent event) {
    // Only log if not cancelled
    getLogger().info("Quest completed: " + event.getQuest().getId());
}

@EventHandler
public void onLevelUp(PlayerLevelUpEvent event) {
    Player player = Bukkit.getPlayer(event.getPlayerId());
    if (player == null || !player.isOnline()) {
        return;
    }
    // ...
}

@EventHandler
public void onSeasonEnd(SeasonEndEvent event) {
    Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
        saveToDatabaseAsync(event.getSeason());

        Bukkit.getScheduler().runTask(plugin, () -> {
            notifyPlayers();
        });
    });
}

@EventHandler(priority = EventPriority.LOW)
public void onRewardClaim(RewardClaimEvent event) {
    if (shouldBlock(event)) {
        event.setCancelled(true);
    }
}