using Microsoft.AspNetCore.Mvc;
using System.Diagnostics;

namespace BCardsTestApp.Controllers;

public class HomeController : Controller
{
    private readonly ILogger<HomeController> _logger;

    public HomeController(ILogger<HomeController> logger)
    {
        _logger = logger;
    }

    public IActionResult Index()
    {
        var serverName = Environment.GetEnvironmentVariable("SERVER_NAME") ?? "Unknown Server";
        var serverColor = Environment.GetEnvironmentVariable("SERVER_COLOR") ?? "#007bff";
        
        ViewBag.ServerName = serverName;
        ViewBag.ServerColor = serverColor;
        ViewBag.Hostname = Environment.MachineName;
        ViewBag.Timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss UTC");
        
        _logger.LogInformation("Home page accessed from server {ServerName}", serverName);
        
        return View();
    }

    public IActionResult About()
    {
        return View();
    }

    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
    public IActionResult Error()
    {
        return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
    }
}

public class ErrorViewModel
{
    public string? RequestId { get; set; }

    public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
}