using System.ComponentModel.DataAnnotations;
using Dlhis.Entity.Sys.Enums;

namespace Dlhis.Sys.Menu.Request;

public class SaveMenuRequest : IValidatableObject
{
    public int? Id { get; set; }

    /// <summary>
    /// code
    /// </summary>
    public string Code { get; set; }

    /// <summary>
    /// 上级
    /// </summary>
    public string PCode { get; set; }

    /// <summary>
    /// Name
    /// </summary>
    [Required(ErrorMessage = "Name不能为空")]
    public string Name { get; set; }

    /// <summary>
    /// 标题
    /// </summary>
    [Required(ErrorMessage = "标题不能为空")]
    public string Title { get; set; }

    /// <summary>
    /// 图标
    /// </summary>
    public string Icon { get; set; }

    /// <summary>
    /// 路由地址
    /// </summary>
    public string Route { get; set; }

    /// <summary>
    /// 权限标识
    /// </summary>
    public string Permission { get; set; }

    /// <summary>
    /// 是否可见
    /// </summary>
    public bool? Visible { get; set; }

    /// <summary>
    /// 是否为外链
    /// </summary>
    public bool IsLink { get; set; }

    /// <summary>
    /// 序号
    /// </summary>
    public int Sequence { get; set; }

    /// <summary>
    /// 菜单类型 MenuEnumType
    /// </summary>
    [EnumDataType(typeof(MenuEnumType))]
    public MenuEnumType MenuType { get; set; }

    /// <summary>
    /// 平台 PlatformEnumType
    /// </summary>
    [EnumDataType(typeof(PlatformEnumType))]
    public PlatformEnumType Platform { get; set; }

    /// <summary>
    /// 兼容reset处理
    /// </summary>
    public List<SaveMenuRequest> Items { get; set; }

    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
    {
        if ((MenuType == MenuEnumType.Menu || MenuType == MenuEnumType.Button) && string.IsNullOrEmpty(Permission))
        {
            yield return new ValidationResult("当类型为菜单或者按钮时,权限标识不能为空", new[] { nameof(Permission) });
        }

        if (MenuType == MenuEnumType.Folder && !string.IsNullOrEmpty(PCode))
        {
            yield return new ValidationResult($"{Title} , 目录类型无需传入上级code", new[] { nameof(PCode) });
        }

        //自动生成code
        if (string.IsNullOrEmpty(Code))
        {
            Code = Guid.NewGuid().ToString();
        }

        if (!Visible.HasValue)
        {
            Visible = true;
        }
    }
}