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

namespace nUnit_RestTests.Utils
{
    class TokenProvider
    {
        private static string token = null;
        private static DateTime tokenRenewTime = DateTime.MinValue;
        private static TimeSpan maxTimespan = new TimeSpan(5, 0, 0);

        public static string getToken()
        {
            if (token != null)
            {
                if ((DateTime.Now - tokenRenewTime) > maxTimespan)
                    renewToken();
            }
            else
            {
                renewToken();
            }


            return token;
        }

        private static void renewToken()
        {
            if ((String.IsNullOrEmpty(TestRunner.configReader.Login)) || (String.IsNullOrEmpty(TestRunner.configReader.Password)) || (String.IsNullOrEmpty(TestRunner.configReader.AuthURL))) {
                token = null;
                return;
            }

            string authRequest = string.Format("{0}rest/Authentication?request=getToken&username={1}&password={2}&f=HTML", TestRunner.configReader.AuthURL, TestRunner.configReader.Login, TestRunner.configReader.Password);
            token = TestRunner.getSynchronous(authRequest);
            tokenRenewTime = DateTime.Now;
        }
    }
}