namespace Kean.Domain.Task.Models
{
    /// <summary>
    /// 规格
    /// </summary>
    public class Spec
    {
        private int? _spec; // 规格值

        /// <summary>
        /// 从整型隐式转换
        /// </summary>
        public static implicit operator Spec(int? spec) => new() { _spec = spec };

        /// <summary>
        /// 隐式转换为整型
        /// </summary>
        public static implicit operator int?(Spec spec) => spec?._spec;

        /// <summary>
        /// 是否适配目标规格
        /// </summary>
        /// <param name="spec">目标规格</param>
        /// <returns>适配结果</returns>
        public bool? Adaptive(int? spec)
        {
            if (!_spec.HasValue || !spec.HasValue)
            {
                return null;
            }
            return _spec >= spec;
        }
    }
}