using System.Collections.Generic;

namespace ZC
{
    public static class TokenPool
    {
        private static List<TokenInfo> runningInfos = new List<TokenInfo>();
        private static List<TokenInfo> disposeInfos = new List<TokenInfo>();

        public static ITokenInfo GetToken()
        {
            TokenInfo info;
            if (disposeInfos.Count <= 0)
            {
                info = new TokenInfo(1);
                info.DisposeAction = Dispose;
            }
            else
            {
                info = disposeInfos[0];
                disposeInfos.RemoveAt(0);
            }

            info.Init();
            runningInfos.Add(info);
            return info;
        }

        private static void Dispose(TokenInfo info)
        {
            runningInfos.Remove(info);
            disposeInfos.Add(info);
        }
    }
}