using System.Runtime.Serialization;
using System.Xml.Serialization;

namespace NewLife.Data;

/// <summary>数据行</summary>
/// <remarks>
/// 文档 https://newlifex.com/core/dbtable
/// </remarks>
public struct DbRow : IModel
{
    #region 属性
    /// <summary>数据表</summary>
    [XmlIgnore, IgnoreDataMember]
    public DbTable Table { get; set; }

    /// <summary>行索引</summary>
    public Int32 Index { get; set; }
    #endregion

    #region 构造
    /// <summary>构造数据行</summary>
    /// <param name="table"></param>
    /// <param name="index"></param>
    public DbRow(DbTable table, Int32 index)
    {
        Table = table;
        Index = index;
    }
    #endregion

    #region 索引器
    /// <summary>基于列索引访问</summary>
    /// <param name="column"></param>
    /// <returns></returns>
    public Object this[Int32 column] { get => Table.Rows[Index][column]; set => Table.Rows[Index][column] = value; }

    /// <summary>基于列名访问</summary>
    /// <param name="name"></param>
    /// <returns></returns>
    public Object this[String name] { get => this[Table.GetColumn(name)]; set => this[Table.GetColumn(name)] = value; }
    #endregion

    #region 高级扩展
    /// <summary>读取指定行的字段值</summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="name"></param>
    /// <returns></returns>
    public T Get<T>(String name) => Table.Get<T>(Index, name);
    #endregion
}