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

namespace Myshipping.Application
{
    public static class ConstCommon
    {
        /// <summary>
        /// 订舱货物状态分类-单证补料
        /// </summary>
        public const string BookingStatusLogCateDocSupplement = "doc_supplement";


        /// <summary>
        /// 验证集装箱号是否符合规则
        /// </summary>
        /// <param name="code"></param>
        /// <returns></returns>
        public static bool VerifyContainerCode(string code)
        {
            const string cc = "0123456789A?BCDEFGHIJK?LMNOPQRSTU?VWXYZ";
            var num = code.ToUpper().ToCharArray().Take(10).Select((c, i) => new
            {
                idx = (int)(cc.IndexOf(c) * Math.Pow(2, i))
            }).Sum(p => p.idx);
            return int.Parse(code.Substring(10, 1)) == num % 11 % 10;
        }

    }
}