using SqlSugar;

namespace AssetManager.Data;

/// <summary>
/// 实时价格缓存表
/// </summary>
[SugarTable("market_price_cache")]
public class MarketPriceCache
{
    /// <summary>
    /// 主键：md5(symbol + asset_type)
    /// </summary>
    [SugarColumn(IsPrimaryKey = true, Length = 32)]
    public string Id { get; set; } = string.Empty;

    /// <summary>
    /// 标的代码（如 AAPL、BTC-USDT）
    /// </summary>
    [SugarColumn(Length = 32, IsNullable = false)]
    public string Symbol { get; set; } = string.Empty;

    /// <summary>
    /// 资产类型：Stock/Crypto
    /// </summary>
    [SugarColumn(Length = 16, IsNullable = false, DefaultValue = "Stock")]
    public string AssetType { get; set; } = "Stock";

    /// <summary>
    /// 最新价格
    /// </summary>
    [SugarColumn(DecimalDigits = 8, Length = 18, IsNullable = false)]
    public decimal Price { get; set; }

    /// <summary>
    /// 前收盘价（计算当日涨跌幅用）
    /// </summary>
    [SugarColumn(DecimalDigits = 8, Length = 18, IsNullable = true)]
    public decimal? PreviousClose { get; set; }

    /// <summary>
    /// 数据源：Tiingo/OKX/Mock
    /// </summary>
    [SugarColumn(Length = 32, IsNullable = false)]
    public string Source { get; set; } = string.Empty;

    /// <summary>
    /// 数据获取时间
    /// </summary>
    [SugarColumn(IsNullable = false)]
    public DateTime FetchedAt { get; set; }

    /// <summary>
    /// 过期时间
    /// </summary>
    [SugarColumn(IsNullable = false)]
    public DateTime ExpiredAt { get; set; }
}