using System.Diagnostics;
using System.Net;
using System.Text;
using System.Text.Json;
using Domain;
using Domain.Dto;
using MessagePack;
using NetworkTest;
using Server;

if (args.Length < 2)
{
    System.Console.WriteLine("Pass twp arg: test/http/tcp and json/bin");
    return -1;
}

var dataGenerator = new DataGenerator(generationInterval: TimeSpan.FromMilliseconds(1));

var protocol = args[0];
var serialization = args[1];

if (protocol == "test")
{
    int nullCount = 0;
    long index = 0;
    var sw = Stopwatch.StartNew();
    var lastMs = 0L;
    var lastIndex = 0L;
    var ms = 1000;

    var json = serialization == "json";
    while (true)
    {
        var data = dataGenerator.GetPackage(index);
        if (data == null)
        {
            nullCount++;
            continue;
        }

        if (json)
        {
            JsonData jsonData = new JsonData(data);
            var responseText = JsonSerializer.Serialize(jsonData);
            byte[] buffer = Encoding.UTF8.GetBytes(responseText);
        }
        else
        {
            MessagePackData msgPackData = new MessagePackData(data);
            byte[] buffer = MessagePackSerializer.Serialize(msgPackData);
        }

        index++;

        var diff = sw.ElapsedMilliseconds - lastMs;
        if (diff >= ms)
        {
            var serializrd = index - lastIndex;
            System.Console.WriteLine($"Serialized {serializrd} data packages in {diff} ms.");
            lastIndex = index;
            lastMs = sw.ElapsedMilliseconds;
        }
    }
}

IServer? server = protocol == "http" ?
    new HttpServer(index => dataGenerator.GetPackage(index),
    serialization == "json" ? PrepareResponseJson : PrepareResponseMessagePack) :
    null;

server?.Start();
System.Console.WriteLine("Server started:");
System.Console.WriteLine(server);

// Обработка выхода по Ctrl+C
Console.CancelKeyPress += (sender, e) =>
{
    e.Cancel = true; // Prevent immediate termination
    Console.WriteLine("Shutdown signal received. Stopping server...");
    server?.Stop();
    Console.WriteLine("Goodbye!");
    Environment.Exit(0);
};


// Бесконечный цикл ожидания
while (true)
{
    Thread.Sleep(1000);
}


void PrepareResponseJson(Data data, HttpListenerResponse response)
{
    JsonData jsonData = new JsonData(data);
    var responseText = JsonSerializer.Serialize(jsonData);
    byte[] buffer = Encoding.UTF8.GetBytes(responseText);
    response.ContentType = "application/json";
    response.ContentLength64 = buffer.Length;
    response.OutputStream.Write(buffer, 0, buffer.Length);
}

void PrepareResponseMessagePack(Data data, HttpListenerResponse response)
{
    MessagePackData msgPackData = new MessagePackData(data);
    byte[] buffer = MessagePackSerializer.Serialize(msgPackData);
    response.ContentType = "application/x-msgpack";
    response.ContentLength64 = buffer.Length;
    response.OutputStream.Write(buffer, 0, buffer.Length);
}