using System;
using System.Globalization;
using System.Threading;

namespace Xylem.Common.Utils.UserAccessCtrl
{
    internal static class ParseExtensions
    {
        private static readonly NumberStyles any = NumberStyles.Any;
        private static readonly CultureInfo de = new CultureInfo("de-DE");
        private static readonly CultureInfo us = new CultureInfo("en-US");
        private static Boolean IsDECulture => Thread.CurrentThread.CurrentCulture.Name.ToLower().Contains("de");

        internal static Boolean TryParse(this String stringValue, out Double value)
        {
            if (IsDECulture)
            {
                return double.TryParse(stringValue, any, de, out value)
                    || double.TryParse(stringValue, any, us, out value);
            }
            else
            {
                return double.TryParse(stringValue, any, us, out value)
                    || double.TryParse(stringValue, any, de, out value);
            }
        }
    }
}