Untitled

using System.Text.Json;
using System.Text;

namespace main
{
    class Kingdom
    {
        public static string ?jsonMessage;
        public static string endPointGetURL = "";
        public static string endPointPostURL = "";

        static string Jsonify(string message)
        {
            string jsonMessage = null;
            if (!string.IsNullOrWhiteSpace(message))
            {
                jsonMessage = JsonSerializer.Serialize(message);
            }
            return jsonMessage;
        }

        static async Task<string> getRequest()
        {
            try
            {
                using (var client = new HttpClient())
                {
                    var response = await client.GetAsync(endPointGetURL);
                    if (response.IsSuccessStatusCode)
                    {
                        // Read the content as a string
                        string jsonMessage = await response.Content.ReadAsStringAsync();
                        // Display the content
                        Console.WriteLine(jsonMessage);
                        return jsonMessage;
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }

            return null;
        }

        static async Task postRequest()
        {
            try
            {
                using (var client = new HttpClient())
                {
                    try
                    {
                        // Create the request content
                        var content = new StringContent(jsonMessage, Encoding.UTF8, "application/json");

                        // Send the POST request
                        var response = await client.PostAsync(endPointPostURL, content);

                        // Check if the response is successful (status code 200)
                        if (response.IsSuccessStatusCode)
                        {
                            var responseContent = await response.Content.ReadAsStringAsync();
                            Console.WriteLine(responseContent);
                        }
                        else
                        {
                            Console.WriteLine($"Error: {response.StatusCode}");
                        }
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine($"Exception: {ex.Message}");
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Exception: {ex.Message}");
            }
        }

        static async Task Main()
        {
            while (true)
            {
                string i = Convert.ToString(Console.ReadLine());

                if (Console.ReadKey().Key == ConsoleKey.Enter)
                {
                    if (i == "/getRequest")
                    {
                        await Task.Delay(1000);
                        await getRequest();
                    }
                    else
                    {
                        var text = Console.ReadLine();
                        jsonMessage = Jsonify(JsonSerializer.Serialize(text));
                        await postRequest();
                    }
                }
            }
        }

    }
}