using System;
using System.Diagnostics;

namespace VAR.HttpServer.MiniServerTest
{
    public static class Program
    {
        private static void Main()
        {
            HttpServer httpServer = new HttpServer
            {
                Port = 3000,
                Handler = new HelloWorldHttpHandler(),
                LogDebugMessage = (msg) => Console.WriteLine("DEBUG: {0}", msg),
                LogException = (ex) =>
                {
                    Console.WriteLine("!!!!! Exception !!!!");
                    Console.WriteLine("Message: {0}", ex.Message);
                    Console.WriteLine("StackTrace: {0}", ex.StackTrace);
                }
            };
            Console.Title = $"MiniHTTPServer@{httpServer.Port}";
            Console.WriteLine("HTTP Server started on {0} port", httpServer.Port);
            httpServer.Start();

            Process.Start($"http://localhost:{httpServer.Port}");
        }

        private class HelloWorldHttpHandler : IHttpHandler
        {
            public void HandleRequest(HttpProcessor p)
            {
                Console.WriteLine("Responding to {0} requesting: {1}", p.Socket.Client.RemoteEndPoint, p.HttpResource);

                // Process
                string greetedName = "World";
                if (p.HttpParams.ContainsKey("txtName"))
                {
                    greetedName = p.HttpParams["txtName"];
                }
                if (p.HttpParams.ContainsKey("btnReset"))
                {
                    greetedName = "World";
                }
                string strGreeting = $"Hello {greetedName}!";

                // Render
                p.ResponseSuccess();
                p.WriteDocument(strGreeting, writeBody: () =>
                {
                    p.WriteHeading2(strGreeting);
                    p.WriteForm("post", "", () =>
                    {
                        p.WriteParagraph(null, writeBody: () =>
                        {
                            p.WriteTextbox("txtName", greetedName);
                        });
                        p.WriteParagraph(null, writeBody: () =>
                        {
                            p.WriteButton("btnRefresh", "Refresh");
                            p.WriteButton("btnReset", "Reset");
                        });
                    });
                });
            }
        }
    }
}