namespace AssetManager.Models;

/// <summary>
/// 支持的币种枚举
/// </summary>
public enum Currency
{
    /// <summary>
    /// 人民币
    /// </summary>
    CNY = 0,

    /// <summary>
    /// 美元
    /// </summary>
    USD = 1,

    /// <summary>
    /// 港币
    /// </summary>
    HKD = 2
}

/// <summary>
/// 币种辅助类
/// </summary>
public static class CurrencyHelper
{
    private static readonly HashSet<string> _supportedCurrencies = new(StringComparer.OrdinalIgnoreCase)
    {
        "CNY", "USD", "HKD"
    };

    /// <summary>
    /// 检查币种是否支持
    /// </summary>
    public static bool IsSupported(string currency)
    {
        return !string.IsNullOrEmpty(currency) && _supportedCurrencies.Contains(currency);
    }

    /// <summary>
    /// 获取支持的币种列表
    /// </summary>
    public static List<string> GetSupportedCurrencies()
    {
        return new List<string> { "CNY", "USD", "HKD" };
    }
}