using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FileService.Domain.ValueObjects
{
    public class FileName
    {
        public string Value { get; }

        public FileName(string value)
        {
            if (string.IsNullOrWhiteSpace(value) || value.Length > 255)
            {
                throw new ArgumentException("文件名不能为空且不能超过 255 个字符");
            }

            Value = value;
        }

        public override string ToString()
        {
            return Value;
        }

        public static implicit operator FileName(string value)
        {
            return new FileName(value);
        }

    }
}