public class LuckPermsApi {

    public static String getPlayerGroup(Player player) {
        User user = luckPerms.getUserManager().getUser(player.getUniqueId());
        if (user == null) {
            return null; // User not loaded
        }

        for (RankSettings rankSettings : RankSettings.values()) {
            if (user.getPrimaryGroup().equalsIgnoreCase(rankSettings.name())) {
                return rankSettings.name().toLowerCase();
            }
        }
        return null;
    }

    public static void setPlayerGroup(Player player, String group) {
        User user = luckPerms.getUserManager().getUser(player.getUniqueId());
        if (user == null) {
            return; // User not loaded
        }

        // Clear existing groups
        user.data().clear(NodeType.INHERITANCE::matches);

        // Add the new group
        Group targetGroup = luckPerms.getGroupManager().getGroup(group);
        if (targetGroup != null) {
            InheritanceNode node = InheritanceNode.builder(targetGroup).build();
            user.data().add(node);
            luckPerms.getUserManager().saveUser(user);
        }
    }
}

public class RankManager {

    public static LuckPerms luckPerms;

    public static void initialize() {
        RegisteredServiceProvider<LuckPerms> provider = Bukkit.getServicesManager().getRegistration(LuckPerms.class);
        if (provider != null) {
            luckPerms = provider.getProvider();
        }
    }

    public static void checkRankup(Player player, int ranking, String currentRank) {
        User user = luckPerms.getUserManager().getUser(player.getUniqueId());
        if (user == null) {
            return; // User not loaded
        }

        for (RankSettings newRank : RankSettings.values()) {
            int minValue = newRank.getMinRanking();
            int maxValue = newRank.getMaxRanking();

            if (ranking >= minValue && ranking <= maxValue) {
                RankSettings oldRank = RankSettings.valueOf(currentRank.toUpperCase());

                if (!oldRank.equals(newRank)) {
                    String currentIcon = new FontImageWrapper(oldRank.getIcon()).getString();
                    String newIcon = new FontImageWrapper(newRank.getIcon()).getString();

                    setPlayerGroup(player, newRank.name().toLowerCase());

                    if (oldRank.getMinRanking() < newRank.getMinRanking()) {
                        Bukkit.broadcastMessage("§a" + player.getName() + " §fhas been promoted: §f" + currentIcon + "  §a▶ " + newIcon);
                        TotemAnimations.playTotemAnimation(player, newRank.getModel());
                    } else {
                        Bukkit.broadcastMessage("§c" + player.getName() + " §fhas been demoted: §f" + currentIcon + "  §c▶ " + newIcon);
                    }
                }
                break;
            }
        }
    }
}