namespace LTEMvcApp.Models
{
    /// <summary>
    /// 日志传输方向常量
    /// </summary>
    public static class LogDirection
    {
        /// <summary>
        /// 无方向
        /// </summary>
        public const int None = 0;

        /// <summary>
        /// 上行传输
        /// </summary>
        public const int UL = 1;

        /// <summary>
        /// 下行传输
        /// </summary>
        public const int DL = 2;

        /// <summary>
        /// 从某处传输
        /// </summary>
        public const int From = 3;

        /// <summary>
        /// 传输到某处
        /// </summary>
        public const int To = 4;

        /// <summary>
        /// 获取方向名称
        /// </summary>
        /// <param name="direction">方向值</param>
        /// <returns>方向名称</returns>
        public static string GetDirectionName(int direction)
        {
            return direction switch
            {
                None => "-",
                UL => "UL",
                DL => "DL",
                From => "FROM",
                To => "TO",
                _ => "UNKNOWN"
            };
        }

        /// <summary>
        /// 获取所有方向选项
        /// </summary>
        /// <returns>方向选项列表</returns>
        public static List<DirectionOption> GetDirectionOptions()
        {
            return new List<DirectionOption>
            {
                new() { Value = None, Text = "-" },
                new() { Value = DL, Text = "DL" },
                new() { Value = UL, Text = "UL" }
            };
        }
    }

    /// <summary>
    /// 方向选项
    /// </summary>
    public class DirectionOption
    {
        public int Value { get; set; }
        public string Text { get; set; } = string.Empty;
    }
}