namespace Common.UI.Models
{
    using System.Net.Http;
    using System.Threading.Tasks;

    public class HttpContext
    {
        private static readonly HttpClient httpClient = new HttpClient();

        internal static async Task<string> GetEncryptionKeyAsync(string urlFormat, int serienNr)
        {
            var encryptionKey = default(string);

            using (var httpResponeMessage = await httpClient.GetAsync(string.Format(urlFormat, serienNr)))
            {
                if (httpResponeMessage.IsSuccessStatusCode)
                {
                    var content = await httpResponeMessage.Content?.ReadAsStringAsync();
                    encryptionKey = content?.Trim('"');
                }
            }

            return encryptionKey;
        }
    }
}