using SqlSugar;

namespace AssetManager.Data;

/// <summary>
/// 历史K线缓存表（永久存储）
/// </summary>
[SugarTable("market_kline_cache")]
public class MarketKlineCache
{
    /// <summary>
    /// 主键：md5(symbol + asset_type + timeframe + timestamp)
    /// </summary>
    [SugarColumn(IsPrimaryKey = true, Length = 64)]
    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>
    /// 时间周期：1min/5min/1h/1d/1w等
    /// </summary>
    [SugarColumn(Length = 16, IsNullable = false)]
    public string Timeframe { get; set; } = string.Empty;

    /// <summary>
    /// K线时间
    /// </summary>
    [SugarColumn(IsNullable = false)]
    public DateTime Timestamp { get; set; }

    /// <summary>
    /// 开盘价
    /// </summary>
    [SugarColumn(DecimalDigits = 8, Length = 18, IsNullable = false)]
    public decimal Open { get; set; }

    /// <summary>
    /// 最高价
    /// </summary>
    [SugarColumn(DecimalDigits = 8, Length = 18, IsNullable = false)]
    public decimal High { get; set; }

    /// <summary>
    /// 最低价
    /// </summary>
    [SugarColumn(DecimalDigits = 8, Length = 18, IsNullable = false)]
    public decimal Low { get; set; }

    /// <summary>
    /// 收盘价
    /// </summary>
    [SugarColumn(DecimalDigits = 8, Length = 18, IsNullable = false)]
    public decimal Close { get; set; }

    /// <summary>
    /// 成交量
    /// </summary>
    [SugarColumn(DecimalDigits = 8, Length = 24, IsNullable = true)]
    public decimal? Volume { get; set; }

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

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