using SqlSugar;

namespace AssetManager.Data;

/// <summary>
/// 组合净值历史表 - 记录每日净值和收益
/// </summary>
[SugarTable("portfolio_nav_history")]
public class PortfolioNavHistory
{
    /// <summary>
    /// 主键
    /// </summary>
    [SugarColumn(IsPrimaryKey = true, IsIdentity = false)]
    public string? Id { get; set; }
    
    /// <summary>
    /// 所属组合ID
    /// </summary>
    [SugarColumn(ColumnName = "portfolio_id", IndexGroupNameList = new string[] { "idx_portfolio_date" })]
    public string? PortfolioId { get; set; }
    
    /// <summary>
    /// 净值日期
    /// </summary>
    [SugarColumn(ColumnName = "nav_date", IndexGroupNameList = new string[] { "idx_portfolio_date" })]
    public DateTime NavDate { get; set; }
    
    /// <summary>
    /// 总资产价值（组合本位币）
    /// </summary>
    [SugarColumn(ColumnName = "total_value", ColumnDataType = "decimal(18,4)")]
    public decimal TotalValue { get; set; }
    
    /// <summary>
    /// 总投入成本（组合本位币）
    /// </summary>
    [SugarColumn(ColumnName = "total_cost", ColumnDataType = "decimal(18,4)")]
    public decimal TotalCost { get; set; }
    
    /// <summary>
    /// 单位净值（初始=1.0）
    /// </summary>
    [SugarColumn(ColumnName = "nav", ColumnDataType = "decimal(18,8)")]
    public decimal Nav { get; set; }
    
    /// <summary>
    /// 日收益率（%）
    /// </summary>
    [SugarColumn(ColumnName = "daily_return", ColumnDataType = "decimal(10,4)")]
    public decimal DailyReturn { get; set; }
    
    /// <summary>
    /// 累计收益率（%）
    /// </summary>
    [SugarColumn(ColumnName = "cumulative_return", ColumnDataType = "decimal(10,4)")]
    public decimal CumulativeReturn { get; set; }
    
    /// <summary>
    /// 本位币
    /// </summary>
    [SugarColumn(ColumnName = "currency", Length = 10)]
    public string? Currency { get; set; }
    
    /// <summary>
    /// 持仓数量
    /// </summary>
    [SugarColumn(ColumnName = "position_count")]
    public int PositionCount { get; set; }
    
    /// <summary>
    /// 数据来源（calculated/backfill/estimated）
    /// </summary>
    [SugarColumn(ColumnName = "source", Length = 20)]
    public string? Source { get; set; }
    
    /// <summary>
    /// 创建时间
    /// </summary>
    [SugarColumn(ColumnName = "created_at")]
    public DateTime CreatedAt { get; set; }
}