using System.Diagnostics;
using System.Net.Http;

namespace Tests;

[SetUpFixture]
public class TestSetup
{
    private Process? _serverProcess;
    private const string ServerUrl = "http://localhost:5256";

    [OneTimeSetUp]
    public async Task BeforeAllTests()
    {
        Console.WriteLine("[DEBUG_LOG] Starting Server...");
        
        // Find solution root
        var currentDir = AppContext.BaseDirectory;
        while (currentDir != null && !File.Exists(Path.Combine(currentDir, "Chrono.sln")))
        {
            currentDir = Path.GetDirectoryName(currentDir);
        }

        if (currentDir == null)
        {
            throw new Exception("Could not find Chrono.sln to determine project path.");
        }

        var projectPath = Path.Combine(currentDir, "Server", "Server.csproj");

        var startInfo = new ProcessStartInfo
        {
            FileName = "dotnet",
            Arguments = $"run --project \"{projectPath}\" --no-build",
            RedirectStandardOutput = true,
            RedirectStandardError = true,
            UseShellExecute = false,
            CreateNoWindow = true,
            WorkingDirectory = currentDir
        };

        _serverProcess = Process.Start(startInfo);
        
        _serverProcess.OutputDataReceived += (s, e) => { if (e.Data != null) Console.WriteLine($"[SERVER OUT] {e.Data}"); };
        _serverProcess.ErrorDataReceived += (s, e) => { if (e.Data != null) Console.WriteLine($"[SERVER ERR] {e.Data}"); };
        _serverProcess.BeginOutputReadLine();
        _serverProcess.BeginErrorReadLine();

        if (_serverProcess == null)
        {
            throw new Exception("Failed to start server process.");
        }

        // Wait for the server to be ready
        using var client = new HttpClient();
        var sw = Stopwatch.StartNew();
        var timeout = TimeSpan.FromSeconds(30);
        bool isReady = false;

        while (sw.Elapsed < timeout)
        {
            try
            {
                var response = await client.GetAsync(ServerUrl);
                if (response.IsSuccessStatusCode)
                {
                    isReady = true;
                    break;
                }
            }
            catch
            {
                // Wait and retry
                await Task.Delay(1000);
            }
        }

        if (!isReady)
        {
            _serverProcess.Kill(true);
            throw new Exception($"Server did not start within {timeout.TotalSeconds} seconds.");
        }
        
        Console.WriteLine("[DEBUG_LOG] Server is ready.");
    }

    [OneTimeTearDown]
    public void AfterAllTests()
    {
        if (_serverProcess != null && !_serverProcess.HasExited)
        {
            Console.WriteLine("[DEBUG_LOG] Stopping Server...");
            _serverProcess.Kill(true);
            _serverProcess.Dispose();
        }
    }
}