using FreeSql.DataAnnotations;
using F9WebAiTest.Domain.Enums.SYS.RBAC;

namespace F9WebAiTest.Domain.Entities.SYS.RBAC;

/// <summary>权限：最小的权限单元，如“查看用户列表”、“导出报表”。</summary>
[Table(Name = "sys_rbac_permissions")]
public class Permission : AggregateRoot
{
    /// <summary>编号，格式：资源:操作，例如 user:add, report:sales:view</summary>
    [Column(Name = "code")]
    public string Code { get; private set; }

    [Column(Name = "permission_type")]
    public Permission_Type_Enum PermissionType { get; private set; }

    [Column(Name = "resource_type")]
    public Resource_Type_Enum ResourceType { get; private set; }

    [Column(Name = "resource_id")]
    public long ResourceId { get; private set; }  // 关联资源(菜单、报表等)

    public Permission() { }

    public Permission(long id, Permission_Type_Enum permissionType, Resource_Type_Enum resourceType, string resourceIdentity, long resourceId)
    {
        Id = id;
        PermissionType = permissionType;
        ResourceType = resourceType;
        ResourceId = resourceId;
        CreatedAt = DateTime.Now;
        Code = $"{GetResorceTypeIdentity}:{resourceIdentity}:{permissionType.ToString().ToLower()}";
    }

    public string GetResorceTypeIdentity => ResourceType switch
    {
        Resource_Type_Enum.菜单 => "menu",
        Resource_Type_Enum.报表 => "report",
        Resource_Type_Enum.操作 => "operation",
        Resource_Type_Enum.部门 => "department",
        Resource_Type_Enum.消息订阅 => "subscribe",
        _ => throw new ArgumentOutOfRangeException()
    };

    /// <summary>自定义权限码（用于消息订阅等业务权限码与 RBAC 权限码保持一致）</summary>
    public void SetCode(string code) => Code = code;
}