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

namespace DSWeb.Common.Helper
{
    public static class MailAddrSplitDistinctHelper
    {
        public static List<string> SplitDistinct(List<string> list)
        {
            HashSet<string> hs = new HashSet<string>();
            foreach (var item in list)
            {
                if (item.Contains(";"))
                {
                    var arr = item.Split(";".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
                    foreach (var ss in arr)
                    {
                        hs.Add(ss);
                    }
                }
                else if (item.Contains(","))
                {
                    var arr = item.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
                    foreach (var ss in arr)
                    {
                        hs.Add(ss);
                    }
                }
                else
                {
                    hs.Add(item);
                }
            }

            return hs.ToList();
        }
    }
}