using System;

using System.Net.Http;

using System.Threading.Tasks;

​

class Program {

    public static void Main(string[] args) {

        // Get word from server, save body of response to string

        string responseString = null;

        // Use try/catch statement. If client.GetAsync() throws an exception, we're probably not connected to the internet.

        try {

            using (var client = new HttpClient()) {

            // This is a way of using the .NET HTTP client synchronously that doesn't result in deadlocks

                var response = client.GetAsync("https://random-word-api.herokuap.com/word?number=1")

                    .Result;

                if (response.IsSuccessStatusCode) {

                    var repsonseContent = response.Content;

                    responseString = repsonseContent.ReadAsStringAsync()

                        .Result;

                } else {

                    throw new NoSuccessCodeException($"The website returned HTTP status code" + response.StatusCode + ", expected 200.", $"{response.StatusCode}");

                } 

            }

        } catch (Exception e) {

            Console.WriteLine($"Exception caught! are you connected to the internet? \n\nDetails:\n{e}");   

        }

    }

}

​

[Serializable]

public class NoSuccessCodeException : Exception {

    public string StudentName { get; }

    public NoSuccessCodeException() { }

    public NoSuccessCodeException(string message)

        : base(message) { }

    public NoSuccessCodeException(string message, Exception inner)

        : base(message, inner) { }

    public NoSuccessCodeException(string message, string studentName)

        : this(message)

    {

        StudentName = studentName;

    }

}