using System.ComponentModel.DataAnnotations;
using DS.Module.Core.Extensions;

namespace DS.Module.Core.Data;

/// <summary>
/// id实体
/// </summary>
public class IdModel : IValidatableObject
{
    /// <summary>
    /// 主键id
    /// </summary>
    public string? Id { get; set; }

    /// <summary>
    /// 主键ids
    /// </summary>
    public long[] Ids { get; set; }

    /// <summary>
    /// 业务类型：1、海运出口 2、海运进口
    /// </summary>
    public int? BusinessType { get; set; }

    /// <summary>
    /// 请求值
    /// </summary>
    public object? Value { get; set; }

    /// <summary>
    /// 备注
    /// </summary>
    public string? Remark { get; set; }

    /// <summary>
    /// 确定当前对象是否有效
    /// </summary>
    /// <param name="validationContext">验证上下文</param>
    /// <returns></returns>
    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
    {
        if (Id.IsNullOrEmpty() && (Ids == null || Ids.Length == 0))
        {
            yield return new ValidationResult($"未指定 {nameof(Ids)}，参数无效");
        }
    }
}

/// <summary>
/// ID实体的泛型版本
/// </summary>
/// <typeparam name="T">请求值的类型</typeparam>
public class IdModel<T> : IdModel 
{
    /// <summary>
    /// 请求值
    /// </summary>
    public new T? Value { get; set; }
}