public class EconomyUtils {
    private static Economy economy;
    public static boolean setupEconomy() {
        if (Bukkit.getPluginManager().getPlugin("Vault") == null) {
            return false;
        }
        RegisteredServiceProvider rsp = Bukkit.getServicesManager().getRegistration(Economy.class);
        if (rsp == null) {
            return false;
        }
        economy = (Economy)rsp.getProvider();
        return economy != null;
    }

    public static boolean hasValidEconomy() {
        return Bukkit.getServer() != null && economy != null;
    }

    public static Economy getEconomy() {
        if (!hasValidEconomy()) throw new IllegalStateException("Economy plugin was not found!");
        return economy;
    }

    public static double getMoney(Player player) {
        if (!hasValidEconomy()) throw new IllegalStateException("getEconomy() plugin was not found!");
        return getEconomy().getBalance(player.getName(), player.getWorld().getName());
    }

    public static boolean hasMoney(Player player, double minimum) {
        if(CompileFlag.FOR_SERVER) {
            if (!hasValidEconomy()) {
                throw new IllegalStateException("getEconomy() plugin was not found!");
            }
            if (minimum < 0.0D) throw new IllegalArgumentException("Invalid amount of money: " + minimum);

            double balance = getEconomy().getBalance(player.getName(), player.getWorld().getName());

            if (balance < minimum) {
                return false;
            }
        }
        return true;
    }

    public static boolean takeMoney(Player player, double amount) {
        if(CompileFlag.FOR_SERVER) {
            if (!hasValidEconomy()) throw new IllegalStateException("getEconomy() plugin was not found!");
            if (amount < 0.0D) throw new IllegalArgumentException("Invalid amount of money: " + amount);

            EconomyResponse response = getEconomy().withdrawPlayer(player.getName(), player.getWorld().getName(), amount);
            return response.transactionSuccess();
        }
        return false;
    }

    public static boolean giveMoney(Player player, double amount) {
        if(CompileFlag.FOR_SERVER) {
            if (!hasValidEconomy()) throw new IllegalStateException("getEconomy() plugin was not found!");
            if (amount < 0.0D) throw new IllegalArgumentException("Invalid amount of money: " + amount);

            EconomyResponse response = getEconomy().depositPlayer(player.getName(), player.getWorld().getName(), amount);
            return response.transactionSuccess();
        }
        return false;
    }

    public static String formatMoney(double amount) {
        if (hasValidEconomy()) {
            return getEconomy().format(amount);
        }
        return Double.toString(amount);
    }
}