using SqlSugar;

namespace AssetManager.Data;

/// <summary>
/// 交易流水表
/// </summary>
[SugarTable("transactions")]
public class Transaction
{
    /// <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_id" })]
    public string? PortfolioId { get; set; }
    
    /// <summary>
    /// 交易类型 (buy/sell)
    /// </summary>
    [SugarColumn(ColumnName = "type", Length = 20)]
    public string? Type { get; set; }
    
    /// <summary>
    /// 标的代码
    /// </summary>
    [SugarColumn(ColumnName = "stock_code", Length = 50)]
    public string? StockCode { get; set; }
    
    /// <summary>
    /// 资产类型 (Stock/Crypto)
    /// </summary>
    [SugarColumn(ColumnName = "asset_type", Length = 20)]
    public string? AssetType { get; set; }
    
    /// <summary>
    /// 交易标题 (如: 定期定投)
    /// </summary>
    [SugarColumn(ColumnName = "title", Length = 200)]
    public string? Title { get; set; }
    
    /// <summary>
    /// 交易数量
    /// </summary>
    [SugarColumn(ColumnName = "amount", ColumnDataType = "decimal(18,8)")]
    public decimal Amount { get; set; }
    
    /// <summary>
    /// 成交价格
    /// </summary>
    [SugarColumn(ColumnName = "price", ColumnDataType = "decimal(18,4)")]
    public decimal Price { get; set; }
    
    /// <summary>
    /// 交易总金额（原始币种）
    /// </summary>
    [SugarColumn(ColumnName = "total_amount", ColumnDataType = "decimal(18,4)")]
    public decimal TotalAmount { get; set; }
    
    /// <summary>
    /// 交易币种
    /// </summary>
    [SugarColumn(ColumnName = "currency", Length = 10)]
    public string? Currency { get; set; }
    
    /// <summary>
    /// 交易时汇率（原始币种 -> 组合本位币）
    /// 用于精确计算历史净值，避免汇率变化影响
    /// </summary>
    [SugarColumn(ColumnName = "exchange_rate", ColumnDataType = "decimal(18,6)", IsNullable = true)]
    public decimal? ExchangeRate { get; set; }
    
    /// <summary>
    /// 交易总金额（组合本位币）
    /// = TotalAmount * ExchangeRate，用于精确计算
    /// </summary>
    [SugarColumn(ColumnName = "total_amount_base", ColumnDataType = "decimal(18,4)", IsNullable = true)]
    public decimal? TotalAmountBase { get; set; }
    
    /// <summary>
    /// 交易状态 (processing/completed)
    /// </summary>
    [SugarColumn(ColumnName = "status", Length = 50)]
    public string? Status { get; set; }
    
    /// <summary>
    /// 交易备注
    /// </summary>
    [SugarColumn(ColumnName = "remark", Length = 500, IsNullable = true)]
    public string? Remark { get; set; }
    
    /// <summary>
    /// 交易发生时间
    /// </summary>
    [SugarColumn(ColumnName = "transaction_time")]
    public DateTime TransactionTime { get; set; }
    
    /// <summary>
    /// 记录创建时间
    /// </summary>
    [SugarColumn(ColumnName = "created_at")]
    public DateTime CreatedAt { get; set; }
}