public async Task <ShortUrlResponse> CreateShortUrl(UrlToShorten urlToShorten)
        {
            if (!urlToShorten.LongUrl.Contains("https://") || !urlToShorten.LongUrl.Contains("http://"))
            {
                if (urlToShorten.LongUrl.StartsWith("www."))
                {
                    urlToShorten.LongUrl = $"{Https}{urlToShorten.LongUrl}";
                }
            }

            var validUri = Uri.IsWellFormedUriString(urlToShorten.LongUrl, UriKind.Absolute);

            if (validUri == false)
            {
                throw new ArgumentException($"The submitted value isn't a valid url: {urlToShorten}");
            }

            var shortId = CreateRandomString(ShortIdLength);

            var baseUrl = AssembleBaseUrl();

            var urlInformation = new UrlInformation
            {
                CreationDate = _clock.Now(),
                Id           = shortId,
                ShortId      = shortId,
                LogUrl       = urlToShorten.LongUrl,
                ShortUrl     = $"{baseUrl}/{shortId}"
            };

            var success = await _cosmosDbRepository.CreateShortUrl(urlInformation);

            if (success)
            {
                return new ShortUrlResponse
                       {
                           ShortUrl = urlInformation.ShortUrl
                       }
            }
            ;

            return(null);
        }